Station Overview Station Location
Station Number CO-BO-305 Latitude 40.136884
Station Name Longmont 3.4 SW Longitude -105.155356
County Boulder Elevation (ft) 5069



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 16 1.01 0.47 31 0.47 31 0.00 0 0 5 1 0.0 0 0
Nov 16 0.86 0.29 29 0.29 29 0.00 0 0 2 0 0.0 0 1
Dec 16 0.56 0.31 13 0.31 13 0.00 0 0 2 1 3.5 1 0
Jan 17 0.39 0.73 5 0.73 5 0.00 0 0 1 0 8.0 1 0
Feb 17 0.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 1.47 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 17 1.76 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 17 2.31 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 17 1.79 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 17 1.25 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 17 1.38 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 17 1.42 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 14.68" 1.80" 78 days 1.80" 78 0.00" 0 days 0 10 days 2 days 11.5" 2 days 1 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
10/1/2016 T
10/2/2016 0.00
10/3/2016 0.00
10/4/2016 0.00
10/5/2016 0.00
10/6/2016 0.12
10/7/2016 0.13
10/8/2016 0.00
10/9/2016 0.00
10/10/2016 0.00
10/11/2016 0.00
10/12/2016 0.16
10/13/2016 0.01
10/14/2016 0.00
10/15/2016 0.00
10/16/2016 0.00
10/17/2016 0.00
10/18/2016 0.00
10/19/2016 0.05
10/20/2016 0.00
10/21/2016 0.00
10/22/2016 0.00
10/23/2016 0.00
10/24/2016 0.00
10/25/2016 0.00
10/26/2016 0.00
10/27/2016 0.00
10/28/2016 0.00
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.00
11/1/2016 0.00
11/2/2016
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.00
11/16/2016 0.00
11/17/2016 0.00
11/18/2016 0.27
11/19/2016 0.00
11/20/2016 0.00
11/21/2016 0.00
11/22/2016 0.02
11/23/2016 0.00
11/24/2016 0.00
11/25/2016 0.00
11/26/2016 0.00
11/27/2016 0.00
11/28/2016 0.00
11/29/2016 0.00
11/30/2016 0.00
12/1/2016 0.00
12/2/2016 0.00
12/3/2016 0.00
12/4/2016 0.00
12/5/2016 0.00
12/6/2016 0.00
12/7/2016 0.26
12/8/2016 T
12/9/2016 0.00
12/10/2016 0.00
12/11/2016 0.05
12/12/2016 0.00
12/13/2016
12/14/2016 0.00
12/15/2016
12/16/2016
12/17/2016
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017
1/5/2017 0.73
1/6/2017 0.00
1/7/2017 0.00
1/8/2017 0.00
1/9/2017 0.00
1/10/2017
1/11/2017
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017
3/26/2017
3/27/2017
3/28/2017
3/29/2017
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017
4/4/2017
4/5/2017
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
4/11/2017
4/12/2017
4/13/2017
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017
4/21/2017
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017
4/28/2017
4/29/2017
4/30/2017
5/1/2017
5/2/2017
5/3/2017
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017
5/19/2017
5/20/2017
5/21/2017
5/22/2017
5/23/2017
5/24/2017
5/25/2017
5/26/2017
5/27/2017
5/28/2017
5/29/2017
5/30/2017
5/31/2017
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017
7/14/2017
7/15/2017
7/16/2017
7/17/2017
7/18/2017
7/19/2017
7/20/2017
7/21/2017
7/22/2017
7/23/2017
7/24/2017
7/25/2017
7/26/2017
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017
8/4/2017
8/5/2017
8/6/2017
8/7/2017
8/8/2017
8/9/2017
8/10/2017
8/11/2017
8/12/2017
8/13/2017
8/14/2017
8/15/2017
8/16/2017
8/17/2017
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017
9/25/2017
9/26/2017
9/27/2017
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 10:00 AM T M M M M 74/50 (24) Mostly clear (<<1/8)...mountains visible...T precip. fell about 5 PM Friday
10/2/2016 9:45 AM 0.00 0.0 M M M 79/50 (29) Clear and blue save few clouds (<<1/8) along west horizon...Meeker/Longs Peak visible
10/3/2016 10:00 AM 0.00 0.0 M M M 80/52 (28) Few scattered clouds (<1/8) with mountains visible
10/4/2016 9:15 AM 0.00 0.0 M M M 77/50 (27) Scattered clouds (<1/8) heaviest toward west...Meeker/Longs Peak wearing cap...windy Monday afternoon
10/5/2016 10:00 AM 0.00 0.0 M M M 67/39 (28) Clouds to west (<1/8) with Meeker/Longs Peak not visible...first 30's overnight of season...calm and dry...winter fertilizer on lawn
10/6/2016 10:30 AM 0.12 M M M M 68/48 (20) Cloudy (8/8)...pavement damp from overnight precipitation...mountains not vissible
10/7/2016 11:00 AM 0.13 M M M M 59/37 (22) Scattered thin clouds (~2/8) with thin coverage producing outline of Meeker/Longs Peak...precip. fell noon hour Thursday
10/8/2016 9:30 AM 0.00 0.0 M M M 71/40 (31) Clouds (~2/8) with persistent contrails...brilliant snow dusting on Meeker/Longs Peak
10/9/2016 9:30 AM 0.00 0.0 M M M 73/42 (31) Thin clouds (<1/8) dominate along mountains otherwise blue and clear and calm
10/10/2016 9:30 AM 0.00 0.0 M M M 74/46 (28) Clear except clouds (<<1/8) along mountain ridges...Meeker/Longs Peak visible...calm
10/11/2016 10:30 AM 0.00 0.0 M M M 78/58 (20) Scattered clouds (~3/8) with mountains visible
10/12/2016 9:30 AM 0.16 M M M M 74/40 (34) Overcast cloudy (8/8)...mountains not visible...pavement wet @ observation
10/13/2016 9:45 AM 0.01 M M M M 51/44 (07) Partly cloudy (~3/8) with mountains visible...calm...grass loves cool moist weather of last several days
10/14/2016 9:30 AM 0.00 0.0 M M M 75/49 (26) Cloudy (8/8) with mountains visible...calm
10/15/2016 10:15 AM 0.00 0.0 M M M 75/62 (13) Mixed sun and clouds (~3/8) with Meeker/Longs Peak visible...calm
10/16/2016 10:45 AM 0.00 0.0 M M M 83/47 (36) Mostly clear (<<1/8)...mountains visible...breezy...Sat. evening was very pleasant socializing on neighbor's patio
10/17/2016 10:00 AM 0.00 0.0 M M M 83/44 (39) Bank of clouds (~1/8) to west...Meeker/Longs Peak visible...west wind blowing leaves sideways
10/18/2016 9:00 AM 0.00 0.0 M M M 77/43 (34) Clouds (~6/8) with a cap on Longs Peak...windy Monday...calm @ Tuesday obs. time
10/19/2016 9:30 AM 0.05 M M M M 66/43 (23) Few clouds (<<1/8) over mountains otherwise clear and calm...precip. fell overnight
10/20/2016 9:15 AM 0.00 0.0 M M M 64/34 (30) Clear and blue with waning moon in SW...mountains visible
10/21/2016 10:00 AM 0.00 0.0 M M M 62/38 (24) Scattered high thin clouds (~3/8)...mountains visible...calm
10/22/2016 10:30 AM 0.00 0.0 M M M 74/42 (32) Scattered high clouds (~4/8) with mountains visible and losing snow cover...calm
10/23/2016 9:45 AM 0.00 0.0 M M M 81/46 (35) Overcast (>7/8) with Meeker/Longs Peak visible...calm...unseasonably warm & windy @ Sat. Farmers Market
10/24/2016 9:45 AM 0.00 0.0 M M M 69/43 (26) Scattered clouds (>4/8)...mountains visible...calm...tomato stalks all pulled
10/25/2016 9:30 AM 0.00 0.0 M M M 78/50 (28) Cloudy (8/8) and calm...Meeker/Longs Peak not visible
10/26/2016 10:45 AM 0.00 0.0 M M M 72/43 (29) Few scattered clouds (<<1/8) otherwise clear and calm...mountains visible
10/27/2016 10:45 AM 0.00 0.0 M M M 73/43 (30) Mostly clear (<1/8)...dry and calm
10/28/2016 9:30 AM 0.00 0.0 M M M 78/59 (19) Mostly cloudy (>7/8) with band of mostly clear paralleling visible mountains...calm
10/29/2016 10:15 AM 0.00 0.0 M M M 80/53 (27) Mostly clear (<2/8) with Meeker/Longs Peak wearing a cap...calm
10/30/2016 10:30 AM 0.00 0.0 M M M 76/51 (25) Cloudy (8/8) with mountains visible...cool and calm
10/31/2016 9:00 AM 0.00 0.0 M M M 71/50 (21) Mostly clear (<1/8) with few clouds over mountains...breezy
11/1/2016 9:00 AM 0.00 0.0 M M M 77/48 (29) High scattered clouds (~4/8)...Meeker/Longs Peak visible
11/3/2016 9:15 AM 0.00 0.0 M M M 64/38 (26) Clear and cool...thin snow blanket on mountains...watched hawk try unsuccessfully to capture rabbit breakfast
11/4/2016 10:00 AM 0.00 0.0 M M M 68/37 (31) Calm, clear, and blue...mountains visible
11/5/2016 9:45 AM 0.00 0.0 M M M 68/41 (27) High thin clouds (<3/8) thicker to S...mountains visible
11/6/2016 9:30 AM 0.00 0.0 M M M 69/41 (28) Scattered clouds (>1/8) with Meeker/Longs Peak visible
11/7/2016 8:45 AM 0.00 0.0 M M M 70/41 (29) Clear...mountains visible...roses trimmed and last half cup raspberries picked
11/8/2016 10:00 AM 0.00 0.0 M M M 65/36 (29) Clear save few thin scattered clouds (<<1/8)...mountains visible
11/9/2016 10:00 AM 0.00 0.0 M M M 65/35 (30) Clear, cool, dry with mountains visible
11/10/2016 10:00 AM 0.00 0.0 M M M 68/39 (29) Clear and blue...mountains visible
11/11/2016 9:00 AM 0.00 0.0 M M M 70/37 (33) Hot air balloon with some clouds (~1/8) to NE...mountains visible...calm
11/12/2016 8:30 AM 0.00 0.0 M M M 62/35 (27) Clear, sunny, cool...good Turkey Trot weather...mountains visible
11/13/2016 9:00 AM 0.00 0.0 M M M 65/42 (23) Partly cloudy (>3/8)...Meeker/Longs Peak visible...leaves pretty well down
11/14/2016 9:15 AM 0.00 0.0 M M M 68/37 (31) Few clouds (<<1/8) over SW mountains otherwise clear and blue
11/15/2016 9:15 AM 0.00 0.0 M M M 70/55 (15) Clear and blue with mountains visible...calm
11/16/2016 9:30 AM 0.00 0.0 M M M 75/47 (28) Partly cloudy with mountains visible...good window washing day
11/17/2016 9:00 AM 0.00 0.0 M M M 78/39 (39) Overcast and cloudy (8/8)...mountains not visible...sprinkler system blown...gauge measure tube and funnel inside
11/18/2016 9:00 AM 0.27 M M M M 49/24 (25) Thur. snow fell off/on 11 AM thru early evening
11/19/2016 9:45 AM 0.00 0.0 M 1.5 M 40/24 (16) Partly cloudy (~4/8)...mountains visible...Thursday's snow still covers shaded back yard
11/20/2016 10:30 AM 0.00 0.0 M M M 44/32 (12) Partly cloudy (4/8) with mountains visible
11/21/2016 9:45 AM 0.00 0.0 M M M 65/39 (26) Mostly cloudy (7/8)...Meeker/Longs Peak not visible...calm
11/22/2016 9:45 AM 0.02 M M M M 65/41 (24) Cloudy (8/8) overcast...mountains obscured...calm
11/23/2016 9:45 AM 0.00 0.0 M M M 52/29 (23) Scattered clouds (2/8) with mountains visible...calm
11/24/2016 10:00 AM 0.00 0.0 M M M 49/33 (16) Mostly clear (<1/8) with snow dusted mountains visible...some breeze earlier this morning
11/25/2016 9:30 AM 0.00 0.0 M M M 54/25 (29) Clear except few thin clouds (<<1/8) to north...mountains visible...calm
11/26/2016 9:15 AM 0.00 0.0 M M M 58/32 (26) Going from overcast to clearing (8/8 => 4/8)...mountains visible...calm
11/27/2016 10:00 AM 0.00 0.0 M M M 60/35 (25) Cloudy (8/8)...mountains not visibble
11/28/2016 9:45 AM 0.00 0.0 M M M 52/39 (13) Mostly cloudy (7/8)...breezy...Meeker/Longs Peak not visible
11/29/2016 9:45 AM 0.00 0.0 M M M 49/28 (21) Overcast & cloudy (8/8)...mountain outline visible...calm
11/30/2016 9:30 AM 0.00 0.0 M M M 46/22 (24) Clear & blue except few clouds (<<1/8) to SW...mountains visible...calm
12/1/2016 9:30 AM 0.00 0.0 M M M 44/25 (19) Mostly overcast cloudy (>7/8) with band of blue sky along visible mountains...calm
12/2/2016 9:30 AM 0.00 0.0 M M M 44/26 (18) Cloudy (8/8) overcast with mountains not visible...calm
12/3/2016 9:45 AM 0.00 0.0 M M M 41/23 (18) Mountains visible thru haze...scattered clouds (6/8)
12/4/2016 9:30 AM 0.00 0.0 M M M 44/22 (22) Scattered clouds (!/8) with some mountains wearing "caps"...calm
12/5/2016 8:30 AM 0.00 0.0 M M M 54/39 (15) Cloudy (>7/8) with a few sunlit breaks...mountains not visible
12/6/2016 9:45 AM 0.00 0.0 M M M 53/18 (35) Thin scattered clouds (~5/8) with Meeker/Longs Peak summits not visible...some haze
12/7/2016 9:45 AM 0.26 3.5 0.26 M M 35/15 (20) Cloudy (8/8)...mountains not visible...snow fell Tue.night/Wed.morn
12/8/2016 10:00 AM T M M M M 25/10 (!5) Broken scattered overcast (~4/8) with mountains outlined thru haze...Few scattered flakes Wednesday afternoon
12/9/2016 9:45 AM 0.00 0.0 M M M 24/11 (13) Few scattered clouds (<1/8) with near foothills visible but higher summits obscured
12/10/2016 9:45 AM 0.00 0.0 M M M 33/21 (12) Mostly cloudy (7/8) with scattered patches of blue...mountains outlined
12/11/2016 8:45 AM 0.05 M M M M 53/35 (18) Cloudy (8/8) overcast with light snow falling @ time of obs...mountains not visible
12/12/2016 9:30 AM 0.00 0.0 M M M 42/27 (15) Mostly cloudy (7/8) with few sun patches...mountains obscured
12/14/2016 10:00 AM 0.00 0.0 M M M 48/20 @8 Cloudy (8/8) with no mountains visible Missed Tuesday 46/32 14 No precipitation
1/5/2017 11:00 AM 0.73 8.0 0.73 M M 20/11 (09) Most snow fell overnight
1/6/2017 11:00 AM 0.00 0.0 M M M 23/4 (19) No melting
1/7/2017 11:30 AM 0.00 0.0 M M M 28/5 (23) Partly cloudy (>4/8)
1/8/2017 11:00 AM 0.00 0.0 M M M 33/16 (17) Melting accelerating
1/9/2017 11:00 AM 0.00 0.0 M M M 53/34 (19) West gusty snow eating wind



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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