Station Overview Station Location
Station Number CO-DG-301 Latitude 39.285005
Station Name Castle Rock 7.8 SSE Longitude -104.770657
County Douglas Elevation (ft) 6622



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 1.27 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 18 0.88 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 18 0.72 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 19 0.57 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 19 0.59 0.00 1 0.00 1 0.00 0 0 0 0 0.0 0 0
March 19 1.72 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 19 2.25 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 19 2.72 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 19 2.50 4.44 15 4.44 15 0.00 0 0 11 1 0.0 0 0
July 19 2.64 2.71 31 2.71 31 0.00 0 0 13 2 0.0 0 0
Aug 19 3.17 2.06 31 2.06 7 0.00 24 2 6 0 0.0 0 0
Sept 19 1.39 0.74 27 0.74 13 0.00 14 2 5 1 0.0 0 0
Water Year Totals: 20.42" 9.95" 105 days 9.95" 67 0.00" 38 days 4 35 days 4 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
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
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
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
12/1/2018
12/2/2018
12/3/2018
12/4/2018
12/5/2018
12/6/2018
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
12/26/2018
12/27/2018
12/28/2018
12/29/2018
12/30/2018
12/31/2018
Day of YearDaily PrcpMultiday Prcp
1/1/2019
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019
1/7/2019
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019
1/13/2019
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019
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
2/1/2019
2/2/2019
2/3/2019
2/4/2019
2/5/2019
2/6/2019
2/7/2019
2/8/2019
2/9/2019
2/10/2019
2/11/2019
2/12/2019
2/13/2019
2/14/2019
2/15/2019
2/16/2019
2/17/2019
2/18/2019
2/19/2019
2/20/2019
2/21/2019
2/22/2019
2/23/2019
2/24/2019
2/25/2019
2/26/2019 0.00
2/27/2019
2/28/2019
3/1/2019
3/2/2019
3/3/2019
3/4/2019
3/5/2019
3/6/2019
3/7/2019
3/8/2019
3/9/2019
3/10/2019
3/11/2019
3/12/2019
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
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
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
5/1/2019
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019
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
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
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 0.00
6/14/2019 0.03
6/15/2019 0.03
6/16/2019 0.24
6/17/2019 0.25
6/18/2019 0.73
6/19/2019 0.12
6/20/2019 T
6/21/2019 0.01
6/22/2019 1.94
6/23/2019 0.29
6/24/2019 0.00
6/25/2019 0.00
6/26/2019
6/27/2019
6/28/2019
6/29/2019 0.75
6/30/2019 0.05
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.20
7/2/2019 T
7/3/2019 0.48
7/4/2019 0.00
7/5/2019 0.08
7/6/2019 0.31
7/7/2019 0.10
7/8/2019 0.00
7/9/2019 0.06
7/10/2019 0.00
7/11/2019 0.00
7/12/2019 0.00
7/13/2019 T
7/14/2019 0.00
7/15/2019 0.05
7/16/2019 0.13
7/17/2019 0.00
7/18/2019 0.00
7/19/2019 0.00
7/20/2019 0.00
7/21/2019 0.16
7/22/2019 0.20
7/23/2019 0.46
7/24/2019 0.00
7/25/2019 0.06
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 0.00
7/29/2019 0.00
7/30/2019 0.42
7/31/2019 0.00
8/1/2019 0.08
8/2/2019 0.41
8/3/2019 **
8/4/2019 **
8/5/2019 0.00
8/6/2019 0.05
8/7/2019 0.00
8/8/2019 0.14
8/9/2019 1.32
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 0.00
8/21/2019 0.06
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 0.00
9/5/2019 0.15
9/6/2019 0.05
9/7/2019 0.39
9/8/2019 M
9/9/2019 0.14
9/10/2019 0.00
9/11/2019 0.00
9/12/2019 0.00
9/13/2019 0.00
9/14/2019 0.00
9/15/2019 0.00
9/16/2019 0.00
9/17/2019 0.01
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 0.00
9/28/2019 T
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
2/26/2019 8:00 AM 0.00 0.0 M M M
6/13/2019 8:00 AM 0.00 0.0 M M M
6/14/2019 8:00 AM 0.03 M M M M
6/15/2019 8:00 AM 0.03 M M M M
6/16/2019 6:30 AM 0.24 M M M M
6/17/2019 8:00 AM 0.25 M M M M
6/18/2019 8:00 AM 0.73 M M M M Rain began about 1410. The intensity increased rapidly. a .25 accumulation increase to the gauge occurred in about 10 minutes. This 1.5"per hour rate lasted only for about 15 minutes. Some small ice pellets were noted as well.
6/19/2019 6:00 AM 0.12 M M M M
6/20/2019 8:00 AM T M M M M
6/21/2019 8:00 AM 0.01 M M M M
6/22/2019 8:00 AM 1.94 M M M M Strong winds, visibility less than 1/4 mi. Hail measured at 1/2". Hail accumulated to a depth of 1.5 inches. Significant shredding of leaves
6/23/2019 8:00 AM 0.29 M M M M
6/24/2019 8:00 AM 0.00 0.0 M M M
6/25/2019 8:00 AM 0.00 0.0 M M M
6/29/2019 6:30 AM 0.75 M M M M Rain/hail began at 2012 on 6-28-19; rainfall rate was high(1"+/hr) based on 'calibrated' gravel driveway rutting. Accompanying hail was 1/2" dia with no accumulation. Intermittent heavy rain and wind with much lightning until after midnight.
6/30/2019 8:00 AM 0.05 M M M M
7/1/2019 8:00 AM 0.20 M M M M
7/2/2019 8:00 AM T M M M M
7/3/2019 8:00 AM 0.48 M M M M Rain began at 1506 and ended 1526 on July 2, 2019. Rain and hail mixed. 1/2" largest stone covered ground 1/2' deep. Shredded leaves and small branches broken. Total accumulation of 0,48"
7/4/2019 8:00 AM 0.00 0.0 M M M
7/5/2019 8:00 AM 0.08 M M M M See hail report for July 4 for more information regarding 1 1/4" hail stones
7/6/2019 8:00 AM 0.31 M M M M
7/7/2019 8:00 AM 0.10 M M M M
7/8/2019 8:00 AM 0.00 0.0 M M M
7/9/2019 8:00 AM 0.06 M M M M
7/10/2019 8:00 AM 0.00 0.0 M M M
7/11/2019 8:00 AM 0.00 0.0 M M M
7/12/2019 8:00 AM 0.00 0.0 M M M
7/13/2019 8:00 AM T M M M M Actually there was nothing in the gauge, but it did rain in the afternoon but not enough to "connect the dots" on the concrete apron.
7/14/2019 8:00 AM 0.00 0.0 M M M
7/15/2019 8:00 AM 0.05 M M M M
7/16/2019 8:00 AM 0.13 M M M M
7/17/2019 8:00 AM 0.00 0.0 M M M
7/18/2019 8:00 AM 0.00 0.0 M M M
7/19/2019 8:00 AM 0.00 0.0 M M M
7/20/2019 8:00 AM 0.00 0.0 M M M
7/21/2019 8:00 AM 0.16 M M M M
7/22/2019 8:00 AM 0.20 M M M M
7/23/2019 8:00 AM 0.46 M M M M
7/24/2019 8:00 AM 0.00 0.0 M M M
7/25/2019 8:00 AM 0.06 M M M M
7/26/2019 8:00 AM 0.00 0.0 M M M
7/27/2019 8:00 AM 0.00 0.0 M M M
7/28/2019 8:00 AM 0.00 0.0 M M M
7/29/2019 8:00 AM 0.00 0.0 M M M
7/30/2019 8:00 AM 0.42 M M M M Of course it rained. We have about 20 acres of hay lying out in windrows. l Now it has to get raked again. The forecast was for 20% of Zero. Oh well...
7/31/2019 8:00 AM 0.00 0.0 M M M
8/1/2019 8:00 AM 0.08 M M M M
8/2/2019 8:00 AM 0.41 M M M M
8/6/2019 8:00 AM 0.05 M M M M
8/7/2019 8:00 AM 0.00 0.0 M M M
8/8/2019 8:00 AM 0.14 M M M M
8/9/2019 8:00 AM 1.32 M M M M
8/21/2019 8:00 AM 0.06 M M M M
9/5/2019 8:00 AM 0.15 0.0 M M M
9/6/2019 8:00 AM 0.05 M M M M As i file this report i note that it is still raining very lightly so any new precipitation will be in tomorrow's report.
9/7/2019 8:00 AM 0.39 M M M M
9/8/2019 8:00 AM M M M M M What an odd day. It rained enough to wet the patio on the west side of the house but the driveway on the east side stayed dry. Our rain gauge had 0.02 in it but some could have been dew as well.
9/9/2019 8:00 AM 0.14 M M M M
9/10/2019 8:00 AM 0.00 0.0 M M M
9/11/2019 8:00 AM 0.00 0.0 M M M
9/12/2019 8:00 AM 0.00 0.0 M M M Plenty of dew, but no rain.
9/13/2019 8:00 AM 0.00 0.0 M M M
9/14/2019 8:00 AM 0.00 0.0 M M M
9/15/2019 8:00 AM 0.00 0.0 M M M
9/16/2019 8:00 AM 0.00 0.0 M M M
9/17/2019 8:00 AM 0.01 M M M M Rainfall, such as it was, occurred on the evening of the 16th around 1900 as a dry gusty squall line passed.
9/28/2019 8:00 AM T M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
8/3/2019 8/05/2019 8:00 AM 3 0.00 M M
8/10/2019 8/20/2019 8:00 AM 11 0.00 M M
8/22/2019 9/04/2019 8:00 AM 14 0.00 M M
9/18/2019 9/27/2019 8:00 AM 10 0.00 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
6/21/2019 3:30 PM NA 1/2" Grape NA Hard|White Ice 30 10min shredded leaves.broken car windows Continuous False After rain 50-60 1.25
7/2/2019 3:06 PM Hail was short lived but intense. Small branches were broken off. Total water in the approved rain gauge was 0.48 which only took 20 minutes. 1/2" Grape 3/8" 1/4" Pea Size Hard|White Ice 10 2min shredded leaves Continuous True After rain After smaller hail 30-40 0.5
7/4/2019 4:05 PM 1 1/4" Half Dollar Size 3/8" 1/4" Pea Size White Ice 5 shredded leaves Intermittent False Same time as rain After smaller hail vertical