Station Overview Station Location
Station Number CO-BO-385 Latitude 40.104848
Station Name Niwot 0.7 NNW Longitude -105.1611
County Boulder Elevation (ft) 5079



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 1.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 13 0.82 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 13 0.58 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 14 0.43 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 14 0.50 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 14 1.54 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 14 1.84 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 14 2.31 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 14 1.80 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 14 1.32 2.03 1 2.03 1 0.00 0 0 1 0 0.0 0 0
Aug 14 1.39 1.01 31 0.94 28 0.07 3 1 13 1 0.0 0 0
Sept 14 1.45 1.71 30 1.71 30 0.00 0 0 12 0 0.0 0 0
Water Year Totals: 15.00" 4.75" 62 days 4.68" 59 0.07" 3 days 1 26 days 1 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
10/1/2013
10/2/2013
10/3/2013
10/4/2013
10/5/2013
10/6/2013
10/7/2013
10/8/2013
10/9/2013
10/10/2013
10/11/2013
10/12/2013
10/13/2013
10/14/2013
10/15/2013
10/16/2013
10/17/2013
10/18/2013
10/19/2013
10/20/2013
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
1/5/2014
1/6/2014
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
1/16/2014
1/17/2014
1/18/2014
1/19/2014
1/20/2014
1/21/2014
1/22/2014
1/23/2014
1/24/2014
1/25/2014
1/26/2014
1/27/2014
1/28/2014
1/29/2014
1/30/2014
1/31/2014
2/1/2014
2/2/2014
2/3/2014
2/4/2014
2/5/2014
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
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
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
4/8/2014
4/9/2014
4/10/2014
4/11/2014
4/12/2014
4/13/2014
4/14/2014
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
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
5/9/2014
5/10/2014
5/11/2014
5/12/2014
5/13/2014
5/14/2014
5/15/2014
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
6/10/2014
6/11/2014
6/12/2014
6/13/2014
6/14/2014
6/15/2014
6/16/2014
6/17/2014
6/18/2014
6/19/2014
6/20/2014
6/21/2014
6/22/2014
6/23/2014
6/24/2014
6/25/2014
6/26/2014
6/27/2014
6/28/2014
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
7/8/2014
7/9/2014
7/10/2014
7/11/2014
7/12/2014
7/13/2014
7/14/2014
7/15/2014
7/16/2014
7/17/2014
7/18/2014
7/19/2014
7/20/2014
7/21/2014
7/22/2014
7/23/2014
7/24/2014
7/25/2014
7/26/2014
7/27/2014
7/28/2014
7/29/2014
7/30/2014
7/31/2014 2.03
8/1/2014 0.02
8/2/2014 0.00
8/3/2014 0.00
8/4/2014 0.00
8/5/2014 T
8/6/2014 0.00
8/7/2014 0.12
8/8/2014 0.03
8/9/2014 0.00
8/10/2014 0.05
8/11/2014 0.00
8/12/2014 0.00
8/13/2014 0.00
8/14/2014 0.00
8/15/2014 0.26
8/16/2014 0.07
8/17/2014 0.00
8/18/2014 0.00
8/19/2014 0.00
8/20/2014 **
8/21/2014 **
8/22/2014 0.07
8/23/2014 0.01
8/24/2014 0.13
8/25/2014 0.00
8/26/2014 0.00
8/27/2014 0.08
8/28/2014 0.04
8/29/2014 0.05
8/30/2014 0.05
8/31/2014 0.03
9/1/2014 0.02
9/2/2014 0.00
9/3/2014 0.00
9/4/2014 0.00
9/5/2014 0.40
9/6/2014 0.01
9/7/2014 0.00
9/8/2014 0.02
9/9/2014 0.02
9/10/2014 0.34
9/11/2014 0.07
9/12/2014 0.28
9/13/2014 0.05
9/14/2014 0.00
9/15/2014 0.00
9/16/2014 0.00
9/17/2014 0.00
9/18/2014 0.00
9/19/2014 0.00
9/20/2014 0.00
9/21/2014 0.00
9/22/2014 0.00
9/23/2014 0.02
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 0.04
9/30/2014 0.44



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
7/31/2014 8:30 AM 2.03 M M M M Hi-63 degrees F. Lo-58. Overcast all day on Wednesday with steady rain in to the night.
8/1/2014 8:00 AM 0.02 M M M M Hi-79.7 Lo-53.8 East winds calm. Partly cloudy
8/2/2014 7:48 AM 0.00 0.0 M M M High - 81.9F Lo - 51.3F Current - 56.7F Skies clear. East winds calm
8/3/2014 7:25 AM 0.00 0.0 M M M H-85.8F L-51.3F Current- 56.7F Skies clear. East wind calm.
8/4/2014 7:18 AM 0.00 0.0 M M M Hi-88.5F Lo-57.6F Current-61.3 East wind calm. Scattered clouds. Very light dew.
8/5/2014 7:18 AM T M M M M Hi-87.6F Lo-61.3F Current-64.0F Heavy cloud cover. A few drops of rain. East wind calm.
8/6/2014 7:21 AM 0.00 0.0 M M M Hi-83.1F Lo-56.5F Current-59.0F. Heavy, low clouds coming from the west. Clear overhead and to the east. East wind callm
8/7/2014 7:06 AM 0.12 M M M M Temps: Hi-90.0F Lo-58.6F Current-59.4F Broken clouds. Wind NW calm.
8/8/2014 7:27 AM 0.03 M M M M Rain fell early afternoon. Temps: Hi-81.3F Lo-54.3F Current-57.0F Wind: NW calm. Skies clear.
8/9/2014 7:13 AM 0.00 0.0 M M M Temps: Hi-86.2F Lo-54.3F Current-58.1F. Broken,scattered clouds. Wind: NW calm.
8/10/2014 7:08 AM 0.05 M M M M Rain fell briefly early yesterday afternoon. Temps: Hi-90.0F Lo-57.9F Current-59.0F Wind: WNW calm. Scattered clouds low in the south and east. Lo-57.9F Current-59.0F
8/11/2014 7:25 AM 0.00 0.0 M M M Few drops of rain yesterday afternoon but no trace in the gauge. Temps: Hi-82.6F Lo-52.9F Current-54.7 Skies clear with light dew. Wind: NW calm.
8/12/2014 8:33 PM 0.00 0.0 M M M I was unable to access CoCoRaHS until now. There is noting to report as there has been no rain. At this hour morning temps are irrelevant. Hope to be back tomorrow.
8/13/2014 7:34 AM 0.00 0.0 M M M Broken clouds. SW winds calm. Temps: Current-59.5F Hi-92.1F Lo-53.8F. Good to be back on line.
8/14/2014 7:11 AM 0.00 0.0 M M M South wind calm. Overcast skies. Temps: Hi-93.2F Lo-59.5F Current-66.6F
8/15/2014 6:58 AM 0.26 M M M M Between 3 and 4:30PM 08-14-14 0.25" rain fell. Another 0.01 fell later. SSW winds calm. Local and western skies clear. Broken clouds to the east. Temps: Current-57.4F Hi-88.0F Lo-57.4F
8/16/2014 7:32 AM 0.07 M M M M Several brief showers starting about 2:30 PM yesterday afternoon. Skies clear locally and to the west. Scattered clouds to the east. Heavy dew. Temps: Hi-89.4F Lo-54.5F Current-56.7F
8/17/2014 7:00 AM 0.00 0.0 M M M Temps: Hi-92.7F Lo-55.0F Current-55.8F West wind calm. Skies clear. Yesterday scattered clouds came from the SW during the afternoon.
8/18/2014 7:15 AM 0.00 0.0 M M M SW wind calm. Skies clear. Temps: Hi-95.9F Lo-54.5F Current-56.7F
8/19/2014 7:34 AM 0.00 0.0 M M M Scaterred Clouds. WSW winds calm. Temp: Hi-89.6F Lo-56.5F Current-58.5F. No reports for the next few days.
8/23/2014 7:40 AM 0.01 M M M M Light dew. Skies clear. West wind calm. Temps: Hi-76/6F Low-59.5F Curremt-61.2F
8/24/2014 7:06 AM 0.13 M M M M Rain fell briefly starting at 2 PM yesterday. Skies clear WSW wind calm for now. Temps Hi-79.3F Lo-48.9F Current-49.5F.
8/25/2014 7:08 AM 0.00 0.0 M M M WSW winds calm. A few scattered clouds to the west. Heavier cloud cover to the northeast. Temps: Hi-84.4F Lo-49.5F Current-56.8F
8/26/2014 7:17 AM 0.00 0.0 M M M Skies overcast. SW winds calm for now. Temps: Hi-81.1F Lo-56.9F Current-60.3F
8/27/2014 7:02 AM 0.08 M M M M Showers at 2PM and again after 7PM. Skies overcast. SW winds calm. Temps: Hi-75.9F Lo-59.0F Current-59.5F.
8/28/2014 6:58 AM 0.04 M M M M Drizzley off and on all day with only brief periods of sunshine. SW winds calm. High thin scattered clouds in the west this morning. Temps: Hi-80.8F Lo-51.6F Current 52.0F
8/29/2014 6:42 AM 0.05 M M M M Rain fell briefly about 2:45 PM yesterday. Skies clear but broken clouds far South. SWS winds calm. Temps; Hi-70.5F Lo-47.7F Current-48.6F
8/30/2014 7:09 AM 0.05 M M M M Rain briefly about 5PM yesterday. WSW winds calm for now. Often it becomes windy during the afternoon. Skies clear for now but clouds often appear from the SW later in the day. Temps: Hi-78F.1 Lo-48.4F Current-49.6F
8/31/2014 7:35 AM 0.03 M M M M Brief shower yesterday afternoon. Breezy at that time. This AM scattered clouds. SW wind calm. Temps: Hi-89.6F Lo-51.1F Current-55.8F
9/1/2014 7:52 AM 0.02 M M M M Heavy clouds and wind came up about 9AM yesterday, This morning skies are clear. West wind calm. Heavy dew on patio furniture. Temps: Hi-81.7F Lo-48.7F Current-51.8F
9/2/2014 7:09 AM 0.00 0.0 M M M A few drops of rain late yesterday afternoon that didn't even leave a trace in the gauge. This AM skies are clear. SW winds are calm. Temps: Hi-81.5F Lo-47.5F Current-48.0F
9/3/2014 7:38 AM 0.00 0.0 M M M Later than I wanted because of computer problems. West wind calm. Skies clear and dry except for two small clouds in the zenith. Temps: Hi-82.8F Lo-47.8F Current-52.3F
9/4/2014 7:11 AM 0.00 0.0 M M M Very hot yesterday afternoon. WSW winds calm,dry and will become breezy later. High,thin clouds in the SW. Temps: Hi-94.1F Lo-53.4F Current-54.3F
9/5/2014 7:10 AM 0.40 M M M M Rain during the night. This AM skies overcast. SW winds calm. Temps: Hi-75.2F Lo-52.5F Current-52.5F
9/6/2014 7:16 AM 0.01 M M M M Overcast skies with fog. West wind calm.TEmps: Hi-63.3F Lo-49.5F Current-52.2F. There may have been more rain but I found some leaves blocking the funnel.
9/7/2014 7:23 AM 0.00 0.0 M M M Moderate dew. Skies clear. Wind WSW calm for now. Temps: Hi-73.0F Lo-49.1F Current49.6F
9/8/2014 7:17 AM 0.02 M M M M Beautiful day with two brief showers at 2 PM and about 6 PM Sunday. This AM SW winds are calm for now. Dark, heavy, broken clouds cover the skies. Clearing patch in the SW. Temps: Hi-84.7F Lo-49.6F Current-55.2F
9/9/2014 7:38 AM 0.02 M M M M A shower very early in the morning. Dark broken clouds with still a few rain drops now and then. SW wind calm for now. Temps: Hi-85.6F Lo-55.8F Current-60.3F
9/10/2014 7:29 AM 0.34 M M M M Very light drizzle continues. West breeze. Skies overcast. 0.10 of the total fell before 6:30 PM yesterday. At that time it was overcast with broken clouds in the east. Temps: Hi-76.8F Lo-53.1F Current-53.1F
9/11/2014 7:21 AM 0.07 M M M M The sun came out, the clouds went away and yesterday afternoon was lovely. This AM it's overcast again with light drizzle. Soft Breeze from the west. Temps: Hi-70.9F Lo-49.3F Current-49.3F
9/12/2014 7:10 AM 0.28 M M M M The sun came out yesterday afternoon and then the rain returned during the evening and night. This AM there is a very light west breeze. Skies are overcast. Temps: Hi-53.4F Lo-36.7F Current-37.0F
9/13/2014 7:18 AM 0.05 M M M M Brought the rain gauge in the house to warm up. Frozen together and I couldn't separate it. Rain fell briefly but heavily about 8 AM Friday. No rain after that. This AM there is frost, the birdbath is frozen. SW wind calm. Thin broken clouds. Temps: Hi-49.3F Lo-33.3F Current-34.7F. Beginning Fall color on trees and shrubs.
9/14/2014 7:22 AM 0.00 0.0 M M M Clear skies all around above the horizon but heavy broken cloud overhead. WNW winds calm. Temps: Hi-71.6F Lo-36.1F Current-46.0F
9/15/2014 7:09 AM 0.00 0.0 M M M Clear skies. Light dew. West winds calm. Temp: Hi-88.3F Lo-46.0F Current-48.6F
9/16/2014 7:41 AM 0.00 0.0 M M M A few Long thin clouds from the zenith east. Otherwise skies are clear. Winds SW calm. Light dew. Temps: Hi-75.0F Lo-46.6F Cirrent-49:3F f W calm.
9/17/2014 7:01 AM 0.00 0.0 M M M Broken clouds. Light SW breeze. Dry. Temps: Hi-87.3F Lo-49.0F Current-51.4F
9/18/2014 7:21 AM 0.00 0.0 M M M Clear skies. SW winds calm. Speent a beautiful evening in RMNP with a magnificent Elk and his harem. Temps:88.3F Lo-49.5F Current-49.8F
9/19/2014 7:15 AM 0.00 0.0 M M M Dry SW wind calm. A few small scattered clouds in the very blue ski. Temps: Hi-89.1F Lo-50.2F Current-50.9F
9/20/2014 7:29 AM 0.00 0.0 M M M Blue skies clear. Very light dew. SW winds calm. Temps: Hi-86.7F Lo-51.4F Current-53.8F
9/21/2014 7:44 AM 0.00 0.0 M M M WSW winds calm. Heavy broken clouds. Fall is on its way as the tree in our court are adding color. Our Burning Bush (Euonymus alatus) is a beautiful burgundy color. Temps: Hi-80.6F Lo-54.5F Current-58.5F
9/22/2014 7:05 AM 0.00 0.0 M M M A few raindrops falling but not enough to even make a trace in the gauge. Skies overcast but clear on the WSW horizon. WSW winds calm. Temps: Hi-75.6F Lo-56.8F Current-56.8F.
9/23/2014 7:02 AM 0.02 M M M M Had to move the rain gauge as lilacs were growing up around it. Several very brief showers throughout the day and early evening. This AM SW winds calm. Heavy but broken cloud cover. Temps: Hi-78.3F Lo-56.3F Current-56.7F
9/24/2014 6:58 AM 0.00 0.0 M M M Skies clear. Light dew. SW winds calm. Temps: Hi -82.9F Lo-? Current-46.2F. Indoor/Outdoor thermometer malfunctioning.
9/25/2014 7:18 AM 0.00 0.0 M M M Clear skies. Light dew. WSW winds calm. Temps: Hi-84.9F Lo-49.5F Current-50.0F
9/26/2014 7:27 AM 0.00 0.0 M M M Another beautiful morning with the court's trees taking on their autumn colors. WSW winds calm. Skies clear. Light dew. Temps: Hi-86.7F Lo-50.0F Current-51.1F
9/27/2014 7:31 AM 0.00 0.0 M M M Around noon a breeze comes up and light, scattered clouds stream from SW to NE. This AM WSW winds are calm. Light dew. Skies are clear. Temps: Lo-32.0F Current-49.3F
9/28/2014 7:01 AM 0.00 0.0 M M M Heading for the mountains to see the Fall colors. West wind calm. Thin scattered clouds. No dew. Temps: Hi-85.3F Lo-51.1F Current-53.8F
9/29/2014 7:19 AM 0.04 M M M M Brief shower late yesterday afternoon. Another early this AM. Heavy cloud cover broken on the sourthern horizon. Light west breeze. Temps: HI-77.0F Lo-53.8F Current-55.2F. Yesterday there were some brilliant yellow Aspen in the foothills to the west.
9/30/2014 7:08 AM 0.44 M M M M Rain began about 2:30PM yesterday and continued in to the evening. This AM skies are clear except for brilliant sun-lite clouds low on the SW horizon. Light WSW winds. Temps: Hi-66.4F Lo-45.7F Current-52.2F



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
8/20/2014 8/22/2014 7:20 AM 3 0.07 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