Station Overview Station Location
Station Number CO-JF-227 Latitude 39.5891
Station Name Littleton 6.0 WSW Longitude -105.1242
County Jefferson Elevation (ft) 5728



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 13 1.36 0.77 18 0.77 18 0.00 0 0 4 1 1.5 1 1
Nov 13 1.09 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 13 0.78 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 14 0.52 1.38 8 1.38 8 0.00 0 0 8 0 19.9 8 0
Feb 14 0.58 0.37 4 0.37 4 0.00 0 0 4 0 5.5 4 1
March 14 1.80 0.67 1 0.67 1 0.00 0 0 1 0 4.5 1 0
April 14 2.43 0.99 3 0.99 3 0.00 0 0 3 0 4.8 2 0
May 14 2.43 1.23 4 1.23 4 0.00 0 0 4 0 0.0 0 0
June 14 2.12 0.84 11 0.84 9 0.00 2 0 5 1 0.0 0 0
July 14 1.54 3.39 14 1.09 5 2.30 9 2 4 0 0.0 0 0
Aug 14 2.10 0.72 8 0.56 6 0.16 2 1 3 0 0.0 0 0
Sept 14 1.30 1.58 23 0.97 16 0.61 7 1 4 1 0.0 0 0
Water Year Totals: 18.05" 11.94" 94 days 8.87" 74 3.07" 20 days 4 40 days 3 days 36.2" 16 days 2 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
10/1/2013 0.00
10/2/2013 0.00
10/3/2013 0.00
10/4/2013 0.30
10/5/2013 0.26
10/6/2013 0.00
10/7/2013 0.00
10/8/2013 0.00
10/9/2013 0.00
10/10/2013 0.00
10/11/2013 0.00
10/12/2013 0.00
10/13/2013 0.00
10/14/2013 T
10/15/2013
10/16/2013
10/17/2013 0.00
10/18/2013 0.20
10/19/2013 0.01
10/20/2013 0.00
10/21/2013
10/22/2013
10/23/2013
10/24/2013
10/25/2013
10/26/2013
10/27/2013
10/28/2013
10/29/2013
10/30/2013
10/31/2013
11/1/2013
11/2/2013
11/3/2013
11/4/2013
11/5/2013
11/6/2013
11/7/2013
11/8/2013
11/9/2013
11/10/2013
11/11/2013
11/12/2013
11/13/2013
11/14/2013
11/15/2013
11/16/2013
11/17/2013
11/18/2013
11/19/2013
11/20/2013
11/21/2013
11/22/2013
11/23/2013
11/24/2013
11/25/2013
11/26/2013
11/27/2013
11/28/2013
11/29/2013
11/30/2013
12/1/2013
12/2/2013
12/3/2013
12/4/2013
12/5/2013
12/6/2013
12/7/2013
12/8/2013
12/9/2013
12/10/2013
12/11/2013
12/12/2013
12/13/2013
12/14/2013
12/15/2013
12/16/2013
12/17/2013
12/18/2013
12/19/2013
12/20/2013
12/21/2013
12/22/2013
12/23/2013
12/24/2013
12/25/2013
12/26/2013
12/27/2013
12/28/2013
12/29/2013
12/30/2013
12/31/2013
Day of YearDaily PrcpMultiday Prcp
1/1/2014
1/2/2014
1/3/2014
1/4/2014 0.21
1/5/2014 0.14
1/6/2014 0.06
1/7/2014
1/8/2014
1/9/2014
1/10/2014
1/11/2014
1/12/2014
1/13/2014
1/14/2014
1/15/2014 0.07
1/16/2014
1/17/2014
1/18/2014
1/19/2014
1/20/2014
1/21/2014
1/22/2014
1/23/2014 0.14
1/24/2014
1/25/2014
1/26/2014
1/27/2014 0.01
1/28/2014 0.23
1/29/2014
1/30/2014
1/31/2014 0.52
2/1/2014 0.08
2/2/2014 0.05
2/3/2014
2/4/2014
2/5/2014 0.18
2/6/2014
2/7/2014
2/8/2014
2/9/2014
2/10/2014
2/11/2014
2/12/2014
2/13/2014
2/14/2014
2/15/2014
2/16/2014
2/17/2014
2/18/2014
2/19/2014
2/20/2014
2/21/2014
2/22/2014
2/23/2014 0.06
2/24/2014
2/25/2014
2/26/2014
2/27/2014
2/28/2014
3/1/2014
3/2/2014
3/3/2014
3/4/2014
3/5/2014
3/6/2014
3/7/2014
3/8/2014 0.67
3/9/2014
3/10/2014
3/11/2014
3/12/2014
3/13/2014
3/14/2014
3/15/2014
3/16/2014
3/17/2014
3/18/2014
3/19/2014
3/20/2014
3/21/2014
3/22/2014
3/23/2014
3/24/2014
3/25/2014
3/26/2014
3/27/2014
3/28/2014
3/29/2014
3/30/2014
3/31/2014
Day of YearDaily PrcpMultiday Prcp
4/1/2014
4/2/2014
4/3/2014
4/4/2014
4/5/2014
4/6/2014
4/7/2014 0.03
4/8/2014
4/9/2014
4/10/2014
4/11/2014
4/12/2014
4/13/2014
4/14/2014 0.53
4/15/2014
4/16/2014
4/17/2014
4/18/2014
4/19/2014
4/20/2014
4/21/2014
4/22/2014
4/23/2014
4/24/2014 0.43
4/25/2014
4/26/2014
4/27/2014
4/28/2014
4/29/2014
4/30/2014
5/1/2014
5/2/2014
5/3/2014
5/4/2014
5/5/2014
5/6/2014
5/7/2014
5/8/2014 0.64
5/9/2014
5/10/2014
5/11/2014 0.54
5/12/2014 0.04
5/13/2014
5/14/2014
5/15/2014 0.01
5/16/2014
5/17/2014
5/18/2014
5/19/2014
5/20/2014
5/21/2014
5/22/2014
5/23/2014
5/24/2014
5/25/2014
5/26/2014
5/27/2014
5/28/2014
5/29/2014
5/30/2014
5/31/2014
6/1/2014
6/2/2014
6/3/2014
6/4/2014
6/5/2014
6/6/2014
6/7/2014
6/8/2014
6/9/2014 0.41
6/10/2014
6/11/2014 T
6/12/2014 0.14
6/13/2014
6/14/2014
6/15/2014
6/16/2014
6/17/2014
6/18/2014 0.00
6/19/2014 0.08
6/20/2014
6/21/2014
6/22/2014
6/23/2014
6/24/2014
6/25/2014 0.00
6/26/2014 0.18
6/27/2014 0.00
6/28/2014 0.03
6/29/2014 **
6/30/2014 **
Day of YearDaily PrcpMultiday Prcp
7/1/2014 **
7/2/2014 **
7/3/2014 **
7/4/2014 **
7/5/2014 **
7/6/2014 **
7/7/2014 0.10
7/8/2014 0.48
7/9/2014
7/10/2014
7/11/2014
7/12/2014
7/13/2014
7/14/2014
7/15/2014
7/16/2014 0.22
7/17/2014 0.25
7/18/2014
7/19/2014
7/20/2014
7/21/2014
7/22/2014
7/23/2014
7/24/2014
7/25/2014 0.14
7/26/2014
7/27/2014
7/28/2014
7/29/2014 0.00
7/30/2014 **
7/31/2014 2.20
8/1/2014
8/2/2014 0.00
8/3/2014 0.00
8/4/2014 0.00
8/5/2014
8/6/2014
8/7/2014
8/8/2014 0.40
8/9/2014
8/10/2014 **
8/11/2014 0.16
8/12/2014
8/13/2014
8/14/2014 0.09
8/15/2014 0.07
8/16/2014
8/17/2014
8/18/2014
8/19/2014
8/20/2014
8/21/2014
8/22/2014
8/23/2014
8/24/2014
8/25/2014
8/26/2014
8/27/2014
8/28/2014
8/29/2014
8/30/2014
8/31/2014
9/1/2014
9/2/2014
9/3/2014 0.00
9/4/2014 0.00
9/5/2014
9/6/2014
9/7/2014 **
9/8/2014 **
9/9/2014 **
9/10/2014 **
9/11/2014 **
9/12/2014 **
9/13/2014 0.61
9/14/2014
9/15/2014
9/16/2014 0.00
9/17/2014 0.00
9/18/2014 T
9/19/2014 0.00
9/20/2014 0.00
9/21/2014
9/22/2014 0.29
9/23/2014 0.08
9/24/2014 0.00
9/25/2014 0.00
9/26/2014 0.00
9/27/2014 0.00
9/28/2014 0.00
9/29/2014 0.25
9/30/2014 0.35



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2013 7:00 AM 0.00 0.0 M M M
10/2/2013 7:00 AM 0.00 0.0 M M M
10/3/2013 7:00 AM 0.00 0.0 M M M
10/4/2013 6:00 AM 0.30 M M M M Currently rain/snow mix. Light mist beginning ~9:30 pm on 10/3; heavier rain starting @ 11:20 pm on 10/3.
10/5/2013 7:00 AM 0.26 M M M M Rain/snow mix
10/6/2013 7:00 AM 0.00 0.0 M M M
10/7/2013 7:00 AM 0.00 0.0 M M M
10/8/2013 7:00 AM 0.00 0.0 M M M
10/9/2013 7:00 AM 0.00 0.0 M M M
10/10/2013 7:00 AM 0.00 0.0 M M M
10/11/2013 7:00 AM 0.00 0.0 M M M
10/12/2013 7:00 AM 0.00 0.0 M M M
10/13/2013 7:00 AM 0.00 0.0 M M M
10/14/2013 7:00 AM T M M M M Light rain shower early evening on 10/13/2013.
10/17/2013 7:00 AM 0.00 0.0 M M M
10/18/2013 7:00 AM 0.20 1.5 M 2.0 M Rain changing to snow overnight.
10/19/2013 7:00 AM 0.01 T M M M
10/20/2013 7:00 AM 0.00 0.0 M M M
1/4/2014 8:50 AM 0.21 2.8 M M M Moderate snowfall at observation time.
1/5/2014 7:00 AM 0.14 2.8 M M M
1/6/2014 7:00 AM 0.06 0.3 M M M
1/15/2014 7:00 AM 0.07 2.0 M M M
1/23/2014 7:00 AM 0.14 3.5 M M M
1/27/2014 6:30 AM 0.01 0.2 M M M
1/28/2014 6:30 AM 0.23 3.9 M M M
1/31/2014 7:00 AM 0.52 4.4 M M M Snow: heavy, ice-packed from storm that started as rain on 1/30/2014.
2/1/2014 8:00 AM 0.08 1.5 M M M Very light snow at obs. time
2/2/2014 7:00 AM 0.05 0.9 M M M Groundhog Day
2/5/2014 7:00 AM 0.18 2.5 M M M Temperature -9 degF @ 5:00 am
2/23/2014 7:00 AM 0.06 0.6 M 0.5 M Precip began early evening on 2/22/2014.
3/8/2014 7:00 AM 0.67 4.5 M M M Heavy, wet snow; started as rain on 3/7/2014.
4/7/2014 7:00 AM 0.03 0.3 M M M Heavy snow shower ~5:45am on 4/7/2014. Brief rain @ 1:00pm on 4/6/2014.
4/14/2014 7:00 AM 0.53 4.5 M M M
4/24/2014 7:00 AM 0.43 M M M M
5/8/2014 7:00 AM 0.64 M M M M Pea-sized hail began @ 10:12pm on 5/7/2014; heaviest @ 10:23pm. Patchy fog with snow in foothills west of town on morning of 5/8/2014.
5/11/2014 7:00 AM 0.54 M M M M
5/12/2014 7:00 AM 0.04 M M M M Rain/snow mix @ 8:30am on 5/11/2014.
5/15/2014 7:00 AM 0.01 M M M M Rain began ~9:00pm on 5/14/2014.
6/9/2014 7:00 AM 0.41 M M M M
6/11/2014 7:00 AM T M M M M Trace of rain @ 5:30pm 6/10/2014.
6/12/2014 7:00 AM 0.14 M M M M
6/18/2014 7:00 AM 0.00 0.0 M M M
6/19/2014 7:00 AM 0.08 M M M M Afternoon thorm on 6/18/2014; pea-sized hail @ 6:25pm.
6/25/2014 7:00 AM 0.00 0.0 M M M
6/26/2014 7:00 AM 0.18 M M M M
6/27/2014 7:00 AM 0.00 0.0 M M M
6/28/2014 7:00 AM 0.03 0.0 M M M Brief afternoon thunderstorm
7/8/2014 7:00 AM 0.48 M M M M Heavy thorms @ 9:10 (brief small, pea-sized hail), 11:25pm 7/7; drizzle, patchy fog early morning 7/8.
7/16/2014 7:00 AM 0.22 M M M M
7/17/2014 7:00 AM 0.25 M M M M
7/25/2014 7:00 AM 0.14 M M M M
7/29/2014 7:00 AM 0.00 0.0 M M M
8/2/2014 7:00 AM 0.00 0.0 M M M
8/3/2014 7:00 AM 0.00 0.0 M M M
8/4/2014 7:00 AM 0.00 0.0 M M M
8/8/2014 7:00 AM 0.40 M M M M thunderstorms throughout afternoon and evening
8/14/2014 7:00 AM 0.09 M M M M
8/15/2014 7:00 AM 0.07 M M M M
9/3/2014 7:00 AM 0.00 0.0 M M M
9/4/2014 7:00 AM 0.00 0.0 M M M
9/16/2014 7:00 AM 0.00 0.0 M M M
9/17/2014 7:00 AM 0.00 0.0 M M M
9/18/2014 7:00 AM T M M M M Brief thunderstorm.
9/19/2014 7:00 AM 0.00 0.0 M M M
9/20/2014 7:00 AM 0.00 0.0 M M M
9/22/2014 6:30 AM 0.29 M M M M Evening thunderstorms.
9/23/2014 7:00 AM 0.08 M M M M
9/24/2014 7:00 AM 0.00 0.0 M M M
9/25/2014 7:00 AM 0.00 0.0 M M M
9/26/2014 7:00 AM 0.00 0.0 M M M
9/27/2014 7:00 AM 0.00 0.0 M M M
9/28/2014 7:00 AM 0.00 0.0 M M M
9/29/2014 7:00 AM 0.25 M M M M
9/30/2014 7:00 AM 0.35 M M M M Rain, thundershowers throughout the day.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
6/29/2014 7/07/2014 6:15 PM 9 0.10 M M
7/30/2014 7/31/2014 7:30 AM 2 2.20 M M
8/10/2014 8/11/2014 7:00 AM 2 0.16 M M
9/7/2014 9/13/2014 6:20 PM 7 0.61 T M Snow early morning on 9/12/2014.



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
5/7/2014 10:12 PM Pea-sized hail began @ 10:12pm on 5/7/2014; heaviest @ 10:23pm. NA 1/4" Pea Size NA Hard 20 3min minor leaf damage.shredded leaves Continuous True After rain 30-40
6/18/2014 6:25 PM NA 1/4" Pea Size NA Mixed 10 3min minor leaf damage True After rain Same time as smaller hail 10-20
7/7/2014 11:25 PM Heavy thorms @ 9:10pm NA 1/4" Pea Size NA Hard 10 3min minor leaf damage Continuous False After rain