Station Overview Station Location
Station Number AZ-MR-402 Latitude 33.51269
Station Name Litchfield Park 6.5 WNW Longitude -112.45887
County Maricopa Elevation (ft) 1139



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 18 0.52 3.54 31 3.54 31 0.00 0 0 7 0 0.0 0 0
Nov 18 0.72 0.31 30 0.31 30 0.00 0 0 1 0 0.0 0 0
Dec 18 0.99 0.19 31 0.19 31 0.00 0 0 2 0 0.0 0 0
Jan 19 1.04 0.78 31 0.78 31 0.00 0 0 4 0 0.0 0 0
Feb 19 1.09 1.68 28 1.68 28 0.00 0 0 9 0 0.0 0 0
March 19 1.04 0.57 31 0.57 31 0.00 0 0 2 0 0.0 0 0
April 19 0.27 0.10 30 0.10 30 0.00 0 0 1 1 0.0 0 0
May 19 0.11 0.03 31 0.03 13 0.00 18 0 1 0 0.0 0 0
June 19 0.03 0.00 30 0.00 26 0.00 4 1 0 0 0.0 0 0
July 19 0.78 0.46 31 0.46 31 0.00 0 0 3 0 0.0 0 0
Aug 19 1.29 0.47 22 0.47 22 0.00 0 0 2 0 0.0 0 0
Sept 19 0.84 1.68 30 0.58 8 1.10 22 1 2 1 0.0 0 0
Water Year Totals: 8.72" 9.81" 356 days 8.71" 312 1.10" 44 days 2 34 days 2 days 0.0" 0 days 0 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2018 0.15
10/2/2018 1.19
10/3/2018 0.46
10/4/2018 0.00
10/5/2018 0.00
10/6/2018 0.00
10/7/2018 0.74
10/8/2018 0.08
10/9/2018 0.00
10/10/2018 0.00
10/11/2018 0.00
10/12/2018 0.00
10/13/2018 0.00
10/14/2018 0.85
10/15/2018 0.00
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 0.00
10/20/2018 0.00
10/21/2018 0.00
10/22/2018 0.00
10/23/2018 0.00
10/24/2018 0.07
10/25/2018 0.00
10/26/2018 0.00
10/27/2018 0.00
10/28/2018 0.00
10/29/2018 0.00
10/30/2018 0.00
10/31/2018 0.00
11/1/2018 0.00
11/2/2018 0.00
11/3/2018 0.00
11/4/2018 0.00
11/5/2018 0.00
11/6/2018 0.00
11/7/2018 0.00
11/8/2018 0.00
11/9/2018 0.00
11/10/2018 0.00
11/11/2018 0.00
11/12/2018 0.00
11/13/2018 0.00
11/14/2018 0.00
11/15/2018 0.00
11/16/2018 0.00
11/17/2018 0.00
11/18/2018 0.00
11/19/2018 0.00
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 0.00
11/25/2018 0.00
11/26/2018 0.00
11/27/2018 0.00
11/28/2018 0.00
11/29/2018 0.00
11/30/2018 0.31
12/1/2018 0.00
12/2/2018 0.00
12/3/2018 0.00
12/4/2018 0.00
12/5/2018 0.00
12/6/2018 0.01
12/7/2018 0.18
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 0.00
12/14/2018 0.00
12/15/2018 0.00
12/16/2018 0.00
12/17/2018 0.00
12/18/2018 0.00
12/19/2018 0.00
12/20/2018 0.00
12/21/2018 0.00
12/22/2018 0.00
12/23/2018 0.00
12/24/2018 0.00
12/25/2018 0.00
12/26/2018 0.00
12/27/2018 0.00
12/28/2018 0.00
12/29/2018 0.00
12/30/2018 0.00
12/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.13
1/2/2019 0.00
1/3/2019 0.00
1/4/2019 0.00
1/5/2019 0.00
1/6/2019 0.40
1/7/2019 0.00
1/8/2019 0.00
1/9/2019 0.00
1/10/2019 0.00
1/11/2019 0.00
1/12/2019 0.00
1/13/2019 0.15
1/14/2019 0.00
1/15/2019 0.10
1/16/2019 0.00
1/17/2019 0.00
1/18/2019 0.00
1/19/2019 0.00
1/20/2019 0.00
1/21/2019 0.00
1/22/2019 0.00
1/23/2019 0.00
1/24/2019 0.00
1/25/2019 0.00
1/26/2019 0.00
1/27/2019 0.00
1/28/2019 0.00
1/29/2019 0.00
1/30/2019 0.00
1/31/2019 0.00
2/1/2019 0.00
2/2/2019 0.00
2/3/2019 0.12
2/4/2019 0.07
2/5/2019 0.00
2/6/2019 0.05
2/7/2019 0.00
2/8/2019 0.00
2/9/2019 0.00
2/10/2019 0.00
2/11/2019 0.00
2/12/2019 0.00
2/13/2019 0.00
2/14/2019 0.02
2/15/2019 0.26
2/16/2019 0.00
2/17/2019 0.00
2/18/2019 0.03
2/19/2019 0.00
2/20/2019 0.00
2/21/2019 0.03
2/22/2019 1.07
2/23/2019 0.03
2/24/2019 0.00
2/25/2019 0.00
2/26/2019 0.00
2/27/2019 0.00
2/28/2019 0.00
3/1/2019 0.00
3/2/2019 0.00
3/3/2019 0.00
3/4/2019 0.00
3/5/2019 0.00
3/6/2019 0.00
3/7/2019 0.00
3/8/2019 0.00
3/9/2019 0.00
3/10/2019 0.00
3/11/2019 0.00
3/12/2019 0.30
3/13/2019 0.27
3/14/2019 0.00
3/15/2019 0.00
3/16/2019 0.00
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 0.00
3/20/2019 0.00
3/21/2019 0.00
3/22/2019 0.00
3/23/2019 0.00
3/24/2019 0.00
3/25/2019 0.00
3/26/2019 0.00
3/27/2019 0.00
3/28/2019 0.00
3/29/2019 0.00
3/30/2019 0.00
3/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.00
4/2/2019 0.00
4/3/2019 0.00
4/4/2019 0.00
4/5/2019 0.00
4/6/2019 0.00
4/7/2019 0.00
4/8/2019 0.00
4/9/2019 0.00
4/10/2019 0.00
4/11/2019 0.00
4/12/2019 0.00
4/13/2019 0.00
4/14/2019 0.00
4/15/2019 0.00
4/16/2019 0.00
4/17/2019 T
4/18/2019 0.00
4/19/2019 0.00
4/20/2019 0.00
4/21/2019 0.00
4/22/2019 0.00
4/23/2019 0.00
4/24/2019 0.00
4/25/2019 0.00
4/26/2019 0.00
4/27/2019 0.00
4/28/2019 0.00
4/29/2019 0.00
4/30/2019 0.10
5/1/2019 0.00
5/2/2019 0.00
5/3/2019 0.00
5/4/2019 0.00
5/5/2019 0.00
5/6/2019 0.00
5/7/2019 0.03
5/8/2019 0.00
5/9/2019 0.00
5/10/2019 0.00
5/11/2019 0.00
5/12/2019 0.00
5/13/2019 0.00
5/14/2019 **
5/15/2019 **
5/16/2019 **
5/17/2019 **
5/18/2019 **
5/19/2019 **
5/20/2019 **
5/21/2019 **
5/22/2019 **
5/23/2019 **
5/24/2019 **
5/25/2019 **
5/26/2019 **
5/27/2019 **
5/28/2019 **
5/29/2019 **
5/30/2019 **
5/31/2019 **
6/1/2019 **
6/2/2019 **
6/3/2019 **
6/4/2019 0.00
6/5/2019 0.00
6/6/2019 0.00
6/7/2019 0.00
6/8/2019 0.00
6/9/2019 0.00
6/10/2019 0.00
6/11/2019 0.00
6/12/2019 0.00
6/13/2019 0.00
6/14/2019 0.00
6/15/2019 0.00
6/16/2019 0.00
6/17/2019 0.00
6/18/2019 0.00
6/19/2019 0.00
6/20/2019 0.00
6/21/2019 0.00
6/22/2019 0.00
6/23/2019 0.00
6/24/2019 0.00
6/25/2019 0.00
6/26/2019 0.00
6/27/2019 0.00
6/28/2019 0.00
6/29/2019 0.00
6/30/2019 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.00
7/2/2019 0.00
7/3/2019 0.00
7/4/2019 0.00
7/5/2019 0.00
7/6/2019 0.00
7/7/2019 0.00
7/8/2019 0.00
7/9/2019 0.00
7/10/2019 0.00
7/11/2019 0.00
7/12/2019 0.00
7/13/2019 0.00
7/14/2019 0.00
7/15/2019 0.00
7/16/2019 0.00
7/17/2019 0.00
7/18/2019 0.00
7/19/2019 0.00
7/20/2019 0.00
7/21/2019 0.00
7/22/2019 0.00
7/23/2019 0.09
7/24/2019 0.36
7/25/2019 0.00
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 0.00
7/29/2019 0.00
7/30/2019 0.00
7/31/2019 0.01
8/1/2019 0.00
8/2/2019 0.00
8/3/2019 0.00
8/4/2019 0.44
8/5/2019 0.00
8/6/2019 0.00
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019 0.00
8/17/2019 0.00
8/18/2019 0.00
8/19/2019 0.00
8/20/2019 0.00
8/21/2019 0.00
8/22/2019 0.00
8/23/2019 0.00
8/24/2019 0.00
8/25/2019 0.00
8/26/2019 0.00
8/27/2019 0.00
8/28/2019 0.00
8/29/2019 0.03
8/30/2019 0.00
8/31/2019 0.00
9/1/2019 0.00
9/2/2019 T
9/3/2019 **
9/4/2019 **
9/5/2019 **
9/6/2019 **
9/7/2019 **
9/8/2019 **
9/9/2019 **
9/10/2019 **
9/11/2019 **
9/12/2019 **
9/13/2019 **
9/14/2019 **
9/15/2019 **
9/16/2019 **
9/17/2019 **
9/18/2019 **
9/19/2019 **
9/20/2019 **
9/21/2019 **
9/22/2019 **
9/23/2019 **
9/24/2019 1.10
9/25/2019 0.00
9/26/2019 0.52
9/27/2019 0.06
9/28/2019 0.00
9/29/2019 0.00
9/30/2019 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 7:30 AM 0.15 M M M M
10/2/2018 7:30 AM 1.19 M M M M Long time coming!! Water Year 2018 just ended, and ended very dry - just 2.31" total. The 2018 monsoon (Jul-Sep) only gave us 1.24" (with just two short periods, each just over a half inch, in 2nd week of Jul and Aug). And, now, the remnant of Hurricane Rosa, over the last days (1.34"), has surpassed the monsoon for us - and I don't think that we are done yet. A good start for Water Year 2019 in the Sonoran Desert.
10/3/2018 7:30 AM 0.46 M M M M
10/4/2018 7:30 AM 0.00 0.0 M M M
10/5/2018 7:30 AM 0.00 0.0 M M M
10/6/2018 7:30 AM 0.00 0.0 M M M
10/7/2018 7:30 AM 0.74 M M M M Nice thunderstorms in the middle of the night. What a dramatic turn with the start of October: for Water Year 2018, we had a total of only 2.31" - now, since the 1st of Oct (2018), we have already surpassed last water year's total, with 2.54", just for this first week of Oct! Wow...
10/8/2018 7:30 AM 0.08 M M M M
10/9/2018 7:30 AM 0.00 0.0 M M M
10/10/2018 7:30 AM 0.00 0.0 M M M
10/11/2018 7:30 AM 0.00 0.0 M M M
10/12/2018 7:30 AM 0.00 0.0 M M M
10/13/2018 7:30 AM 0.00 0.0 M M M
10/14/2018 7:30 AM 0.85 M M M M Rained most of yesterday (13th), starting later morning. Incredible shift in weather patterns continues, with more rain added to the "light-switch-like-turn-on" of precip that started at the change of the month! Now, we're up to 3.47" total, versus just 2.31" in the previous 12 month period!!
10/15/2018 7:30 AM 0.00 0.0 M M M
10/16/2018 7:30 AM 0.00 0.0 M M M
10/17/2018 7:30 AM 0.00 0.0 M M M
10/18/2018 7:30 AM 0.00 0.0 M M M
10/19/2018 7:30 AM 0.00 0.0 M M M
10/20/2018 7:30 AM 0.00 0.0 M M M
10/21/2018 7:30 AM 0.00 0.0 M M M
10/22/2018 7:30 AM 0.00 0.0 M M M
10/23/2018 7:30 AM 0.00 0.0 M M M
10/24/2018 7:30 AM 0.07 M M M M
10/25/2018 7:30 AM 0.00 0.0 M M M
10/26/2018 7:30 AM 0.00 0.0 M M M
10/27/2018 7:30 AM 0.00 0.0 M M M
10/28/2018 7:30 AM 0.00 0.0 M M M
10/29/2018 7:30 AM 0.00 0.0 M M M
10/30/2018 7:30 AM 0.00 0.0 M M M
10/31/2018 7:30 AM 0.00 0.0 M M M
11/1/2018 7:30 AM 0.00 0.0 M M M
11/2/2018 7:30 AM 0.00 0.0 M M M
11/3/2018 7:30 AM 0.00 0.0 M M M
11/4/2018 7:30 AM 0.00 0.0 M M M
11/5/2018 7:30 AM 0.00 0.0 M M M
11/6/2018 7:30 AM 0.00 0.0 M M M
11/7/2018 7:30 AM 0.00 0.0 M M M
11/8/2018 7:30 AM 0.00 0.0 M M M
11/9/2018 7:30 AM 0.00 0.0 M M M
11/10/2018 7:30 AM 0.00 0.0 M M M
11/11/2018 7:30 AM 0.00 0.0 M M M
11/12/2018 7:30 AM 0.00 0.0 M M M
11/13/2018 7:30 AM 0.00 0.0 M M M
11/14/2018 7:30 AM 0.00 0.0 M M M
11/15/2018 7:30 AM 0.00 0.0 M M M
11/16/2018 7:30 AM 0.00 0.0 M M M
11/17/2018 7:30 AM 0.00 0.0 M M M
11/18/2018 7:30 AM 0.00 0.0 M M M
11/19/2018 7:30 AM 0.00 0.0 M M M
11/20/2018 7:30 AM 0.00 0.0 M M M
11/21/2018 7:30 AM 0.00 0.0 M M M
11/22/2018 7:30 AM 0.00 0.0 M M M
11/23/2018 7:30 AM 0.00 0.0 M M M
11/24/2018 7:30 AM 0.00 0.0 M M M
11/25/2018 7:30 AM 0.00 0.0 M M M
11/26/2018 7:30 AM 0.00 0.0 M M M
11/27/2018 7:30 AM 0.00 0.0 M M M
11/28/2018 7:30 AM 0.00 0.0 M M M
11/29/2018 7:30 AM 0.00 0.0 M M M
11/30/2018 7:30 AM 0.31 M M M M A modest last-day catch for November - to not be shut out for the month (which on average should have about 0.65" or so, for Phoenix (Sky Harbor)). Better something a bit late, than nothing at all. :)
12/1/2018 7:30 AM 0.00 0.0 M M M
12/2/2018 7:30 AM 0.00 0.0 M M M
12/3/2018 7:30 AM 0.00 0.0 M M M
12/4/2018 7:30 AM 0.00 0.0 M M M
12/5/2018 7:30 AM 0.00 0.0 M M M
12/6/2018 7:55 AM 0.01 M M M M
12/7/2018 7:30 AM 0.18 M M M M
12/8/2018 7:30 AM 0.00 0.0 M M M
12/9/2018 7:30 AM 0.00 0.0 M M M
12/10/2018 7:30 AM 0.00 0.0 M M M
12/11/2018 7:30 AM 0.00 0.0 M M M
12/12/2018 7:30 AM 0.00 0.0 M M M
12/13/2018 7:30 AM 0.00 0.0 M M M
12/14/2018 7:30 AM 0.00 0.0 M M M
12/15/2018 7:30 AM 0.00 0.0 M M M
12/16/2018 7:30 AM 0.00 0.0 M M M
12/17/2018 7:30 AM 0.00 0.0 M M M
12/18/2018 7:30 AM 0.00 0.0 M M M
12/19/2018 7:30 AM 0.00 0.0 M M M
12/20/2018 7:30 AM 0.00 0.0 M M M
12/21/2018 7:30 AM 0.00 0.0 M M M
12/22/2018 7:30 AM 0.00 0.0 M M M
12/23/2018 7:30 AM 0.00 0.0 M M M
12/24/2018 7:30 AM 0.00 0.0 M M M
12/25/2018 7:30 AM 0.00 0.0 M M M
12/26/2018 7:30 AM 0.00 0.0 M M M
12/27/2018 7:30 AM 0.00 0.0 M M M
12/28/2018 7:30 AM 0.00 0.0 M M M
12/29/2018 7:30 AM 0.00 0.0 M M M
12/30/2018 7:30 AM 0.00 0.0 M M M No recent news on the precip front here; however, we are getting some freezing winter air, that we seemed to have missed the last couple years. Fri low was 32F; Sat low was 33F, but today's low was 30F! Birdbath was not frozen at 7:30 (altho it was 32F then at sunrise); but, after some time for the water to cool, there was indeed ice covering the birdbath, when checked again around 09:30 am!
12/31/2018 7:30 AM 0.00 0.0 M M M No rain yet today, so the last report for 2018 has a zero, but some light rain will still come later today, for starting out the new year on a good foot, for the dry Desert Southwest! Happy New Year!!
1/1/2019 7:30 AM 0.13 M M M M A wee bit of rain to start the new year - good for the desert! (Though, in reality, all the rain actually fell yesterday, on the last day of 2018 - there was nothing new falling over last night. But we'll take it none the less!)
1/2/2019 7:30 AM 0.00 0.0 M M M Cold spell continues, in the Sonoran Desert - ice covers top of the bird bath this morning.
1/3/2019 7:30 AM 0.00 0.0 M M M Bird bath iced over, again, with another cold one overnight - actually our coldest (so far), down to 27F for us, on the max/min thermometer.
1/4/2019 7:30 AM 0.00 0.0 M M M
1/5/2019 7:30 AM 0.00 0.0 M M M
1/6/2019 6:30 AM 0.40 0.0 M M M Early obs - off to the AMS Annual Meeting in downtown PHX.
1/7/2019 6:30 AM 0.00 0.0 M M M
1/8/2019 7:30 AM 0.00 0.0 M M M
1/9/2019 7:30 AM 0.00 0.0 M M M
1/10/2019 7:30 AM 0.00 0.0 M M M
1/11/2019 7:30 AM 0.00 0.0 M M M
1/12/2019 7:30 AM 0.00 0.0 M M M
1/13/2019 7:30 AM 0.15 M M M M
1/14/2019 7:30 AM 0.00 0.0 M M M
1/15/2019 7:30 AM 0.10 M M M M
1/16/2019 7:30 AM 0.00 0.0 M M M
1/17/2019 7:30 AM 0.00 0.0 M M M
1/18/2019 7:30 AM 0.00 0.0 M M M
1/19/2019 7:30 AM 0.00 0.0 M M M
1/20/2019 7:30 AM 0.00 0.0 M M M
1/21/2019 7:30 AM 0.00 0.0 M M M
1/22/2019 7:30 AM 0.00 0.0 M M M
1/23/2019 7:30 AM 0.00 0.0 M M M
1/24/2019 7:30 AM 0.00 0.0 M M M
1/25/2019 7:30 AM 0.00 0.0 M M M
1/26/2019 7:30 AM 0.00 0.0 M M M
1/27/2019 7:30 AM 0.00 0.0 M M M
1/28/2019 7:30 AM 0.00 0.0 M M M
1/29/2019 7:30 AM 0.00 0.0 M M M
1/30/2019 7:30 AM 0.00 0.0 M M M
1/31/2019 7:30 AM 0.00 0.0 M M M
2/1/2019 7:30 AM 0.00 0.0 M M M
2/2/2019 7:30 AM 0.00 0.0 M M M
2/3/2019 7:30 AM 0.12 M M M M R- at time of obs.
2/4/2019 7:30 AM 0.07 M M M M
2/5/2019 7:30 AM 0.00 0.0 M M M
2/6/2019 7:30 AM 0.05 M M M M
2/7/2019 7:30 AM 0.00 0.0 M M M A little (but, maybe last?) cold period has swept into the Sonoran Desert again this winter - we had ice covering the top of the birdbath again, and min temp at the instrument shelter was 29F.
2/8/2019 7:30 AM 0.00 0.0 M M M
2/9/2019 7:30 AM 0.00 0.0 M M M
2/10/2019 7:30 AM 0.00 0.0 M M M
2/11/2019 7:30 AM 0.00 0.0 M M M
2/12/2019 7:30 AM 0.00 0.0 M M M
2/13/2019 7:30 AM 0.00 0.0 M M M
2/14/2019 7:30 AM 0.02 M M M M L- at time of obs.
2/15/2019 7:30 AM 0.26 M M M M
2/16/2019 7:30 AM 0.00 0.0 M M M
2/17/2019 7:30 AM 0.00 0.0 M M M
2/18/2019 7:30 AM 0.03 M M M M
2/19/2019 7:30 AM 0.00 0.0 M M M
2/20/2019 7:30 AM 0.00 0.0 M M M
2/21/2019 8:00 AM 0.03 M M M M Light rain has begun in the Valley of the Sun, the start of a couple, probably substantial, rain days down here. (Interestingly, we just cancelled yesterday what would have been a 3 night stay at a cabin outside Payson, AZ - about 2 hours (120mi) to the NE of here, along the Mogollon Rim (~4500-5000 ft or so). The forecast for something in the 2 ft range of snow there over these next 2 days caused us to exercise caution, and not put ourselves or others in unnecessary risks. We'll see how the storm delivers!)
2/22/2019 7:30 AM 1.07 M M M M Following up on yesterday's comments: It was a good thing we did cancel our trip to Payson, which is up along the Mongollon Rim, as mountainous AZ has had record-breaking snow all across the region with this storm system! (P.S. Good news for our reservoirs!) Update - NWS map shows reports basically at least at about the 2 ft mark for Payson!!
2/23/2019 7:30 AM 0.03 M M M M The record snow dumping storm (for cen and N AZ) has exited, and did leave us in the low Sonoran Desert with over an inch of rain (and some small hail occasionally). In our 5 years down here, this is the first time I've seen (and photographed yesterday morning) snow on the higher portions of our adjacent White Tanks Mountains, running W and NW of us. Barry Goldwater Peak (elev 4081') is about 7-8 miles to our NW (1135').
2/24/2019 7:30 AM 0.00 0.0 M M M
2/25/2019 7:30 AM 0.00 0.0 M M M
2/26/2019 7:30 AM 0.00 0.0 M M M
2/27/2019 7:30 AM 0.00 0.0 M M M
2/28/2019 7:30 AM 0.00 0.0 M M M
3/1/2019 7:30 AM 0.00 0.0 M M M
3/2/2019 7:30 AM 0.00 0.0 M M M
3/3/2019 7:30 AM 0.00 0.0 M M M
3/4/2019 7:30 AM 0.00 0.0 M M M
3/5/2019 7:30 AM 0.00 0.0 M M M
3/6/2019 7:30 AM 0.00 0.0 M M M
3/7/2019 7:30 AM 0.00 0.0 M M M
3/8/2019 7:30 AM 0.00 0.0 M M M
3/9/2019 7:30 AM 0.00 0.0 M M M
3/10/2019 7:30 AM 0.00 0.0 M M M
3/11/2019 7:30 AM 0.00 0.0 M M M
3/12/2019 8:00 AM 0.30 M M M M
3/13/2019 8:00 AM 0.27 M M M M
3/14/2019 7:30 AM 0.00 0.0 M M M
3/15/2019 7:30 AM 0.00 0.0 M M M
3/16/2019 7:30 AM 0.00 0.0 M M M
3/17/2019 7:30 AM 0.00 0.0 M M M
3/18/2019 7:30 AM 0.00 0.0 M M M
3/19/2019 7:30 AM 0.00 0.0 M M M
3/20/2019 7:30 AM 0.00 0.0 M M M
3/21/2019 7:30 AM 0.00 0.0 M M M
3/22/2019 7:30 AM 0.00 0.0 M M M
3/23/2019 7:30 AM 0.00 0.0 M M M
3/24/2019 7:30 AM 0.00 0.0 M M M
3/25/2019 7:30 AM 0.00 0.0 M M M
3/26/2019 7:30 AM 0.00 0.0 M M M
3/27/2019 7:30 AM 0.00 0.0 M M M
3/28/2019 7:30 AM 0.00 0.0 M M M
3/29/2019 7:30 AM 0.00 0.0 M M M
3/30/2019 7:30 AM 0.00 0.0 M M M
3/31/2019 7:30 AM 0.00 0.0 M M M
4/1/2019 7:30 AM 0.00 0.0 M M M
4/2/2019 7:30 AM 0.00 0.0 M M M
4/3/2019 7:30 AM 0.00 0.0 M M M
4/4/2019 7:30 AM 0.00 0.0 M M M
4/5/2019 7:30 AM 0.00 0.0 M M M
4/6/2019 7:30 AM 0.00 0.0 M M M
4/7/2019 7:30 AM 0.00 0.0 M M M
4/8/2019 7:30 AM 0.00 0.0 M M M
4/9/2019 7:30 AM 0.00 0.0 M M M
4/10/2019 7:30 AM 0.00 0.0 M M M
4/11/2019 7:30 AM 0.00 0.0 M M M
4/12/2019 7:30 AM 0.00 0.0 M M M
4/13/2019 7:30 AM 0.00 0.0 M M M
4/14/2019 7:30 AM 0.00 0.0 M M M
4/15/2019 7:30 AM 0.00 0.0 M M M
4/16/2019 7:30 AM 0.00 0.0 M M M
4/17/2019 7:30 AM T M M M M Actually was able to see some precip in the gauge, just not quite enough to be measurable (0.01"). Yesterday afternoon, and later at night, there were brief periods of "sprinkles" (drops on the ground), but nothing to show in the gauge when going in for bed - the moist evidence came sometime overnight.
4/18/2019 7:30 AM 0.00 0.0 M M M
4/19/2019 7:30 AM 0.00 0.0 M M M
4/20/2019 7:30 AM 0.00 0.0 M M M
4/21/2019 7:30 AM 0.00 0.0 M M M
4/22/2019 7:30 AM 0.00 0.0 M M M
4/23/2019 7:30 AM 0.00 0.0 M M M
4/24/2019 7:30 AM 0.00 0.0 M M M
4/25/2019 7:30 AM 0.00 0.0 M M M
4/26/2019 7:30 AM 0.00 0.0 M M M
4/27/2019 7:30 AM 0.00 0.0 M M M
4/28/2019 7:30 AM 0.00 0.0 M M M
4/29/2019 7:30 AM 0.00 0.0 M M M
4/30/2019 7:30 AM 0.10 M M M M Interesting storms last evening. Just a tenth of an inch, but any rain is welcome in the late spring in the desert. Almost continual low rumble of thunder as a few cells worked their way from Gila Bend (down to SSW), eventually giving us one storm with the rain, and frequent, vivid lightning (C-C), all over about a 7-9 PM setting.
5/1/2019 7:30 AM 0.00 0.0 M M M
5/2/2019 7:30 AM 0.00 0.0 M M M
5/3/2019 7:30 AM 0.00 0.0 M M M
5/4/2019 7:30 AM 0.00 0.0 M M M
5/5/2019 7:30 AM 0.00 0.0 M M M
5/6/2019 7:30 AM 0.00 0.0 M M M
5/7/2019 7:30 AM 0.03 M M M M RW- at time of obs. Small upper low right over W cen AZ.
5/8/2019 7:30 AM 0.00 0.0 M M M
5/9/2019 7:30 AM 0.00 0.0 M M M
5/10/2019 7:30 AM 0.00 0.0 M M M
5/11/2019 7:30 AM 0.00 0.0 M M M
5/12/2019 7:30 AM 0.00 0.0 M M M
5/13/2019 7:30 AM 0.00 0.0 M M M
6/5/2019 7:30 AM 0.00 0.0 M M M
6/6/2019 7:30 AM 0.00 0.0 M M M
6/7/2019 7:30 AM 0.00 0.0 M M M
6/8/2019 7:30 AM 0.00 0.0 M M M
6/9/2019 7:30 AM 0.00 0.0 M M M
6/10/2019 7:30 AM 0.00 0.0 M M M
6/11/2019 7:30 AM 0.00 0.0 M M M
6/12/2019 7:30 AM 0.00 0.0 M M M
6/13/2019 7:30 AM 0.00 0.0 M M M
6/14/2019 7:30 AM 0.00 0.0 M M M
6/15/2019 7:30 AM 0.00 0.0 M M M
6/16/2019 7:30 AM 0.00 0.0 M M M
6/17/2019 7:30 AM 0.00 0.0 M M M
6/18/2019 7:30 AM 0.00 0.0 M M M
6/19/2019 7:30 AM 0.00 0.0 M M M
6/20/2019 7:30 AM 0.00 0.0 M M M
6/21/2019 7:30 AM 0.00 0.0 M M M
6/22/2019 7:30 AM 0.00 0.0 M M M
6/23/2019 7:30 AM 0.00 0.0 M M M
6/24/2019 7:30 AM 0.00 0.0 M M M
6/25/2019 7:30 AM 0.00 0.0 M M M
6/26/2019 7:30 AM 0.00 0.0 M M M
6/27/2019 7:30 AM 0.00 0.0 M M M
6/28/2019 7:30 AM 0.00 0.0 M M M
6/29/2019 7:30 AM 0.00 0.0 M M M
6/30/2019 7:30 AM 0.00 0.0 M M M
7/1/2019 7:30 AM 0.00 0.0 M M M
7/2/2019 7:30 AM 0.00 0.0 M M M
7/3/2019 7:30 AM 0.00 0.0 M M M
7/4/2019 7:30 AM 0.00 0.0 M M M
7/5/2019 7:30 AM 0.00 0.0 M M M
7/6/2019 7:30 AM 0.00 0.0 M M M
7/7/2019 7:30 AM 0.00 0.0 M M M
7/8/2019 7:30 AM 0.00 0.0 M M M
7/9/2019 7:30 AM 0.00 0.0 M M M
7/10/2019 7:30 AM 0.00 0.0 M M M
7/11/2019 7:30 AM 0.00 0.0 M M M
7/12/2019 7:30 AM 0.00 0.0 M M M
7/13/2019 7:30 AM 0.00 0.0 M M M
7/14/2019 7:30 AM 0.00 0.0 M M M
7/15/2019 7:30 AM 0.00 0.0 M M M
7/16/2019 7:30 AM 0.00 0.0 M M M
7/17/2019 7:30 AM 0.00 0.0 M M M
7/18/2019 7:30 AM 0.00 0.0 M M M
7/19/2019 7:30 AM 0.00 0.0 M M M
7/20/2019 7:30 AM 0.00 0.0 M M M
7/21/2019 7:30 AM 0.00 0.0 M M M
7/22/2019 7:30 AM 0.00 0.0 M M M
7/23/2019 7:30 AM 0.09 M M M M Finally the 2019 monsoon has made an appearance here. Initiated by a strong dust storm/gust front around 9-9:30 PM (nearby Luke AFB reported mid30s SSE winds, gusting low40s), the dust and dirt were in eyes, noses, and mouths. Thunder and lightning by 11PM-ish were accompanied by rain by 1130 PM. It has been over 2 and a half months (2019-05-07) since we have had any measurable rain! In the last 4 months and a week until now, we have had only 0.13" total.
7/24/2019 7:30 AM 0.36 M M M M Ah yes, the monsoon has arrived here - two days in a row with rain now. Thunderstorm at about 4:30 AM was probably the main culprit for today's precip.
7/25/2019 7:30 AM 0.00 0.0 M M M
7/26/2019 7:30 AM 0.00 0.0 M M M
7/27/2019 7:30 AM 0.00 0.0 M M M
7/28/2019 7:30 AM 0.00 0.0 M M M
7/29/2019 7:30 AM 0.00 0.0 M M M
7/30/2019 7:30 AM 0.00 0.0 M M M
7/31/2019 7:30 AM 0.01 M M M M Well, we pretty much missed the monsoon storms for yesterday/today. At least last week, we had near a half inch total. Overall though, not much of a moist monsoon month for this July in our part of the Valley of the Sun.
8/1/2019 7:30 AM 0.00 0.0 M M M
8/2/2019 7:30 AM 0.00 0.0 M M M
8/3/2019 7:30 AM 0.00 0.0 M M M
8/4/2019 7:30 AM 0.44 M M M M Thunderstorm rumbled in, just after 9 PM. Earlier, in afternoon, strong convection N of the Valley was very evident as were the high blow-off and dark obscuration from strong convection S of the Valley - NWS fcst had no precip for us, in the W Valley, but eventually storms moved here/developed from SE, it seemed. 10-15% chance of precip might have been reasonable, given occasional movement of storms from their originally favored development over the surrounding mountains. It's feeling a bit more like monsoon season now with this significant rain, now following a similar amount 10 days ago. :)
8/5/2019 7:30 AM 0.00 0.0 M M M
8/6/2019 7:30 AM 0.00 0.0 M M M
8/16/2019 7:30 AM 0.00 0.0 M M M
8/17/2019 7:30 AM 0.00 0.0 M M M
8/18/2019 7:30 AM 0.00 0.0 M M M
8/19/2019 7:30 AM 0.00 0.0 M M M
8/20/2019 7:30 AM 0.00 0.0 M M M
8/21/2019 7:30 AM 0.00 0.0 M M M
8/22/2019 7:30 AM 0.00 0.0 M M M
8/23/2019 7:30 AM 0.00 0.0 M M M
8/24/2019 7:30 AM 0.00 0.0 M M M
8/25/2019 7:30 AM 0.00 0.0 M M M
8/26/2019 7:30 AM 0.00 0.0 M M M
8/27/2019 7:30 AM 0.00 0.0 M M M
8/28/2019 7:30 AM 0.00 0.0 M M M
8/29/2019 7:30 AM 0.03 M M M M A tad bit of monsoon activity last night: very light, brief rain around 11 PM, preceded by very gusty earlier winds and accompanied by frequent lightning from convection to east and south-east. A very dry, but warm monsoon so far this year: for PHX, less than a 1/4 inch each for Jul and Aug (zero for Jun), with a few record highs, but more telling, would be 27 days with high temps >= 110F+. Bit more rain for us, in far W Valley of the Sun, with 0.90" since 1 Jun - not much for the monsoon.
8/30/2019 7:30 AM 0.00 0.0 M M M
8/31/2019 7:30 AM 0.00 0.0 M M M
9/1/2019 7:30 AM 0.00 0.0 M M M
9/2/2019 7:30 AM T M M M M Very strong outflow gust front (from E) passed through, around 6 PM-ish, knocking over assorted yard items, but precip was limited to just some large drops ... :( Another monsoon storm skirts our place.
9/25/2019 7:30 AM 0.00 0.0 M M M
9/26/2019 7:30 AM 0.52 M M M M Along with the inch+ of rain that we had earlier this week, we've already had more rain in this early start to this "fall season" this year than we did for our whole monsoon (or late summer) season. Interestingly, last year, the Phoenix area had a dramatic, very large rainfall episode at the start of October (2018), after another rather dry, lackluster monsoon season. ** Update: comments above should not strictly separate this year's recent rains (~23-24th) as non-monsoon - official end of monsoon season is end of Sep! **
9/27/2019 7:30 AM 0.06 M M M M
9/28/2019 7:30 AM 0.00 0.0 M M M
9/29/2019 7:30 AM 0.00 0.0 M M M
9/30/2019 7:30 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/14/2019 6/04/2019 7:30 AM 22 0.00 M M Nothing was in the gauge. Although if anything had fallen while we were away, it most probably would have evaporated long ago - and, we were aware that nothing had been reported by others in the area as well. That is late spring-early summer in the Sonoran desert. (We did see plenty of rain and wet (standing water) ground across the Midwest, on our road trip [out NM-Pan's-KS-MO-IA to WI, and back MN-SD-WY-CO-UT]). Very few fields were planted in WI at end of May !!
9/3/2019 9/24/2019 11:00 PM 22 1.10 M M We were gone for the period (visiting son (and family) stationed at Sigonella NAS (Sicily IT)). Very much, it seems most likely that most , if not all, of the rain feel on Monday (2019 Sep 23), falling into the reports for the 24th. There could have been some evap, though very little, over the last day; or, perhaps, some very small remnant from very light precip that maybe feel back on the 17th. Otherwise, a quick re-look of the wx noted by CoCoRaHS for this period of absence shows the only real dominant rainfalls were: the Phoenix E and NE valley reports (typically 1, up to 3 inches) from the close of the Sep 23rd reporting period, and the Phoenix W valley (where we are) reports (typically 1 inch or more) from the close of the Sep 24th reporting period. So, I think the best surmise would be that our 1.10 inch rainfall was indeed for the reporting day of 2019 Sep 24, while the remainder of our period of absence was marked by no precip (typical for us here in the Sonoran desert), with perhaps a very occasional trace or few hundredths at best, not being able to be determined any more definitively at this later time.



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground