Station Overview Station Location
Station Number CA-SD-171 Latitude 33.411811
Station Name Fallbrook 3.8 NW Longitude -117.277335
County San Diego Elevation (ft) 796



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 0.80 1.11 3 0.07 1 1.04 2 1 1 0 0.0 0 0
Nov 18 1.60 2.34 3 0.33 1 2.01 2 1 1 0 0.0 0 0
Dec 18 2.44 2.67 4 2.67 4 0.00 0 0 4 0 0.0 0 0
Jan 19 3.73 9.71 9 2.33 2 7.38 7 2 2 0 0.0 0 0
Feb 19 4.22 14.68 12 1.09 4 13.59 8 3 4 0 0.0 0 0
March 19 2.85 2.87 6 1.91 3 0.96 3 1 3 0 0.0 0 0
April 19 1.22 0.68 3 0.12 1 0.56 2 1 1 0 0.0 0 0
May 19 0.28 1.35 4 0.63 2 0.72 2 1 2 0 0.0 0 0
June 19 0.10 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 19 0.05 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 19 0.05 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 19 0.22 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 17.56" 35.41" 44 days 9.15" 18 26.26" 26 days 10 18 days 0 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
10/2/2018
10/3/2018
10/4/2018 0.07
10/5/2018
10/6/2018
10/7/2018
10/8/2018
10/9/2018
10/10/2018
10/11/2018
10/12/2018 **
10/13/2018 1.04
10/14/2018
10/15/2018
10/16/2018
10/17/2018
10/18/2018
10/19/2018
10/20/2018
10/21/2018
10/22/2018
10/23/2018
10/24/2018
10/25/2018
10/26/2018
10/27/2018
10/28/2018
10/29/2018
10/30/2018
10/31/2018
11/1/2018
11/2/2018
11/3/2018
11/4/2018
11/5/2018
11/6/2018
11/7/2018
11/8/2018
11/9/2018
11/10/2018
11/11/2018
11/12/2018
11/13/2018
11/14/2018
11/15/2018
11/16/2018
11/17/2018
11/18/2018
11/19/2018
11/20/2018
11/21/2018 0.33
11/22/2018
11/23/2018
11/24/2018
11/25/2018
11/26/2018
11/27/2018
11/28/2018
11/29/2018 **
11/30/2018 2.01
12/1/2018
12/2/2018
12/3/2018
12/4/2018
12/5/2018 0.51
12/6/2018 1.47
12/7/2018
12/8/2018
12/9/2018
12/10/2018
12/11/2018
12/12/2018
12/13/2018
12/14/2018
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
12/20/2018
12/21/2018
12/22/2018
12/23/2018
12/24/2018
12/25/2018 0.50
12/26/2018
12/27/2018
12/28/2018
12/29/2018
12/30/2018
12/31/2018 0.19
Day of YearDaily PrcpMultiday Prcp
1/1/2019
1/2/2019
1/3/2019
1/4/2019
1/5/2019 **
1/6/2019 0.55
1/7/2019
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019 1.38
1/13/2019
1/14/2019 **
1/15/2019 **
1/16/2019 **
1/17/2019 **
1/18/2019 6.83
1/19/2019
1/20/2019
1/21/2019
1/22/2019
1/23/2019
1/24/2019
1/25/2019
1/26/2019
1/27/2019
1/28/2019
1/29/2019
1/30/2019
1/31/2019 0.95
2/1/2019
2/2/2019 **
2/3/2019 **
2/4/2019 **
2/5/2019 4.09
2/6/2019
2/7/2019
2/8/2019
2/9/2019 0.23
2/10/2019 0.46
2/11/2019
2/12/2019
2/13/2019 **
2/14/2019 9.14
2/15/2019
2/16/2019 0.15
2/17/2019
2/18/2019 0.25
2/19/2019
2/20/2019 **
2/21/2019 0.36
2/22/2019
2/23/2019
2/24/2019
2/25/2019
2/26/2019
2/27/2019
2/28/2019
3/1/2019
3/2/2019 1.44
3/3/2019
3/4/2019
3/5/2019
3/6/2019 **
3/7/2019 **
3/8/2019 0.96
3/9/2019
3/10/2019
3/11/2019
3/12/2019 0.35
3/13/2019
3/14/2019
3/15/2019
3/16/2019
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019
3/22/2019 0.12
3/23/2019
3/24/2019
3/25/2019
3/26/2019
3/27/2019
3/28/2019
3/29/2019
3/30/2019
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019
4/4/2019
4/5/2019 0.12
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019
4/11/2019
4/12/2019
4/13/2019
4/14/2019
4/15/2019
4/16/2019
4/17/2019
4/18/2019
4/19/2019
4/20/2019
4/21/2019
4/22/2019
4/23/2019
4/24/2019
4/25/2019
4/26/2019
4/27/2019
4/28/2019
4/29/2019 **
4/30/2019 0.56
5/1/2019
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019 0.17
5/7/2019
5/8/2019
5/9/2019
5/10/2019
5/11/2019
5/12/2019
5/13/2019
5/14/2019
5/15/2019
5/16/2019 0.46
5/17/2019
5/18/2019
5/19/2019 **
5/20/2019 0.72
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
6/5/2019
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019
6/12/2019
6/13/2019
6/14/2019
6/15/2019
6/16/2019
6/17/2019
6/18/2019
6/19/2019
6/20/2019
6/21/2019
6/22/2019
6/23/2019
6/24/2019
6/25/2019
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019
7/2/2019
7/3/2019
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019
7/9/2019
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019
7/15/2019
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
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
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
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
9/25/2019
9/26/2019
9/27/2019
9/28/2019
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/4/2018 8:00 AM 0.07 M M M M light intermittent showers over the period
11/21/2018 8:00 PM 0.33 M M M M
12/5/2018 11:59 PM 0.51 M M M M moderate rainfall off and over the period, mostly in the afternoon.
12/6/2018 11:59 PM 1.47 M M M M
12/25/2018 11:00 AM 0.50 M M M M
12/31/2018 8:00 PM 0.19 M M M M
1/12/2019 8:00 PM 1.38 M M M M
1/31/2019 8:00 PM 0.95 M M M M
2/9/2019 8:00 PM 0.23 M M M M
2/10/2019 8:00 PM 0.46 M M M M
2/16/2019 8:00 AM 0.15 M M M M
2/18/2019 8:00 PM 0.25 M M M M
3/2/2019 11:59 PM 1.44 M M M M mostly a steady rain for several hours followed by intermittent showers till the event ended.
3/12/2019 8:00 AM 0.35 M M M M
3/22/2019 11:00 PM 0.12 M M M M
4/5/2019 8:00 PM 0.12 M M M M steady light rain for about 20 minutes
5/6/2019 8:00 PM 0.17 M M M M
5/16/2019 8:00 PM 0.46 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/12/2018 10/13/2018 10:00 PM 2 1.04 M M 10/12/18: Rainfall commenced around 8:30 PM. Significant lightning and thunder between 8:00 PM and 10:00 PM. Approximately 0.55" fell before midnight.
11/29/2018 11/30/2018 8:00 PM 2 2.01 M M
1/5/2019 1/06/2019 10:00 AM 2 0.55 M M
1/14/2019 1/18/2019 8:00 AM 5 6.83 M M
2/2/2019 2/05/2019 8:00 PM 4 4.09 M M
2/13/2019 2/14/2019 11:00 PM 2 9.14 M M Station is in a micro-climate in valley with SSW orientation and significant elevation gain just behind the property, setting up significant orographic enhancement when storms come in at this aspect. Precipitation started at 9:00 PM 2/13. Rain rates of 5.05"/hr. were recorded twice during the 5:00AM and 8:00AM hours, and many instances of 2"+/hr. were also recorded between 4:00AM and 2:00PM. Significant flooding was recorded. Multiple road surface crossings were inundated with many road closures. The Santa Margarita River reached critical flood stage at the De Luz Rd. bridge crossing (bridge inundated) about 12:00 noon. Sandia Creek Rd. surface crossing remains inundated and closed at this time.
2/20/2019 2/21/2019 8:00 PM 2 0.36 M M
3/6/2019 3/08/2019 11:59 PM 3 0.96 M M
4/29/2019 4/30/2019 8:00 PM 2 0.56 M M
5/19/2019 5/20/2019 8:00 PM 2 0.72 M M



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