Station Overview Station Location
Station Number CA-TY-27 Latitude 41.08548
Station Name Trinity Center 7.1 N Longitude -122.71212
County Trinity Elevation (ft) 2512



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 2.93 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 16 7.16 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 16 10.66 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 17 9.68 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 17 9.80 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 7.23 9.43 18 9.43 18 0.00 0 0 18 0 8.5 4 1
April 17 4.19 9.06 17 9.06 17 0.00 0 0 17 0 1.0 1 0
May 17 3.29 0.54 6 0.54 6 0.00 0 0 6 0 0.0 0 0
June 17 1.63 1.29 5 1.29 5 0.00 0 0 5 0 0.0 0 0
July 17 0.54 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 17 0.42 0.17 1 0.17 1 0.00 0 0 1 0 0.0 0 0
Sept 17 0.94 0.66 4 0.66 4 0.00 0 0 4 0 0.0 0 0
Water Year Totals: 58.47" 21.15" 51 days 21.15" 51 0.00" 0 days 0 51 days 0 days 9.5" 5 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
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016
11/3/2016
11/4/2016
11/5/2016
11/6/2016
11/7/2016
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016
11/19/2016
11/20/2016
11/21/2016
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016
12/8/2016
12/9/2016
12/10/2016
12/11/2016
12/12/2016
12/13/2016
12/14/2016
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
1/6/2017
1/7/2017
1/8/2017
1/9/2017
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 0.40
3/5/2017 0.15
3/6/2017 0.33
3/7/2017 0.36
3/8/2017 0.55
3/9/2017 0.10
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017 0.28
3/16/2017
3/17/2017 0.39
3/18/2017 0.58
3/19/2017 0.30
3/20/2017 1.22
3/21/2017 1.39
3/22/2017
3/23/2017 0.28
3/24/2017 1.25
3/25/2017 0.85
3/26/2017 0.05
3/27/2017 0.77
3/28/2017
3/29/2017
3/30/2017 0.18
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 1.24
4/7/2017 2.96
4/8/2017 0.12
4/9/2017
4/10/2017 0.31
4/11/2017 0.36
4/12/2017 1.04
4/13/2017 0.42
4/14/2017 0.04
4/15/2017
4/16/2017
4/17/2017 0.90
4/18/2017 0.58
4/19/2017 0.07
4/20/2017 0.69
4/21/2017
4/22/2017 0.01
4/23/2017
4/24/2017 0.02
4/25/2017 0.06
4/26/2017 0.10
4/27/2017 0.14
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 0.34
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017
5/12/2017 0.08
5/13/2017 0.03
5/14/2017
5/15/2017
5/16/2017 0.02
5/17/2017 0.01
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 0.06
6/1/2017 0.12
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017 0.87
6/9/2017 0.20
6/10/2017
6/11/2017 0.08
6/12/2017 0.02
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 0.17
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 0.30
9/8/2017 0.04
9/9/2017
9/10/2017
9/11/2017
9/12/2017 0.04
9/13/2017
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017
9/19/2017
9/20/2017 0.28
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
3/4/2017 8:00 AM 0.40 M M M M
3/5/2017 8:00 AM 0.15 0.5 M M M
3/6/2017 8:00 AM 0.33 3.5 0.33 M M
3/7/2017 8:00 AM 0.36 M M M M
3/8/2017 8:00 AM 0.55 M M M M
3/9/2017 8:00 AM 0.10 M M M M
3/15/2017 8:00 AM 0.28 M M M M
3/17/2017 8:00 AM 0.39 M M M M
3/18/2017 8:00 AM 0.58 M M M M
3/19/2017 8:00 AM 0.30 M M M M
3/20/2017 8:00 AM 1.22 M M M M
3/21/2017 8:00 AM 1.39 M M M M
3/23/2017 8:00 AM 0.28 M M M M
3/24/2017 8:00 AM 1.25 2.0 0.20 M M rain, then snow... two inches of snow on the ground at 8:00 am, snowing moderately.
3/25/2017 8:00 AM 0.85 2.5 0.76 2.0 M after the 8:00 am reporting yesterday (1.22" precip with 2.0" snow) it continued to snow most of the day, 2.5" more snow fall and then a little drizzle of rain in the late afternoon.
3/26/2017 8:00 AM 0.05 M M M M Yesterday (Saturday) was mostly sunny and mild after morning fog... the 4.5" of snow from Friday mostly melted away. Late afternoon the high clouds from the next cold front started to move in, cloudy overnight and not as cold. A little rain and overcast today, but NWS predicts the main rain band to be in this afternoon and night.
3/27/2017 8:00 AM 0.77 M M M M Light to moderate rain and some slushy snow through Sunday evening, cloudy overnight. No snow accumulation.
3/30/2017 8:00 AM 0.18 M M M M
4/6/2017 8:00 AM 1.24 M M M M Yesterday, clouds thickened considerably and a few sprinkles began right after school got out at 3:00 pm. It was a mild day and then, briefly, very windy in the late afternoon. The rain began in earnest at around 9:15 pm, fell most of the night and into this morning, more than what was forecast.
4/7/2017 7:00 AM 2.96 1.0 0.10 M M I must record this at just before 7:00 am, as we will be gone from the school site for the day. Rain fell most of the day, yesterday, mostly light to occasional moderate showers. Rain and rain/snow mix intensified last evening, turning back to all rain. About 1" of snow accumulation, most has melted off of the warm ground.
4/8/2017 8:00 AM 0.12 M M M M By yesterday, late afternoon, 0.09" in gauge, very little rainfall into the evening, then dry, but cloudy. The rain/snow and then snow that was predicted for overnight and into Saturday morning failed to materialize. Current conditions at 8:30-9:00 am are partly cloudy skies, calm winds.
4/10/2017 7:00 AM 0.31 M M M M Spring Break week, not always at school, but we received 0.31" on the evening of 04/09/2017, cloudy and calm int he morning, with ground fog, clearing to a partly cloudy day. This report is being issued on 04/11/17 at 0900.
4/11/2017 8:00 AM 0.36 M M M M Rainfall began early this morning, approx. 0500-0530 hrs. Light rain falling now. Calm winds.
4/12/2017 8:00 AM 1.04 M M M M
4/13/2017 7:00 AM 0.42 M M M M
4/14/2017 8:00 AM 0.04 M M M M Yesterday afternoon hit-and-miss instability showers and thunderstorms developed around northwest California. I drove through heavy showers with hail and sleet near Trinity Center. Coffee Creek had only a brief heavy shower with some hail.
4/17/2017 8:00 AM 0.90 M M M M rain started yesterday at about noon, continued most of the day and evening, showers overnight... cloudy and calm this morning with light scattered showers.
4/18/2017 8:00 AM 0.58 M M M M Cloudy and mild all yesterday, after morning light showers, then light to moderate rain in the late afternoon through evening. This morning: mostly cloudy, moist, and calm.
4/19/2017 8:00 AM 0.07 M M M M Afternoon build-ups led to a thunderstorm complex just to the east of Coffee Creek yesterday afternoon, moving to the northeast. A few pea-sized pieces of hail fell, and then a little rain into the evening, most of the activity was to the east of us.
4/20/2017 7:38 AM 0.69 M M M M Rain yesterday afternoon and into the night, then partial clearing. This morning, like most mornings in April: partly cloudy, cool, moist and calm... the forecast is for clearing and warmer the next few days... yes!
4/22/2017 8:00 AM 0.01 M M M M Clouds thickened early Saturday morning, then a brief sprinkle of rain, the rest of the day was partly cloudy to cloudy, and mild.
4/24/2017 8:00 AM 0.02 M M M M Some very light drizzle this cool and cloudy and calm morning at Coffee Creek School. Light showers predicted for the day.
4/25/2017 7:50 AM 0.06 M M M M A little light rain during the day, yesterday, then partly cloudy and cool. Overnight, clouds thickened again, this morning is cool, cloudy, calm.
4/26/2017 8:00 AM 0.10 M M M M Another calm, cool, drizzly morning, with a tiny bit of precip in the past 24 hours, mostly overnight and into this morning. The forecast is for clearing, then warmer, sunny weather for at least a few days.
4/27/2017 8:00 AM 0.14 M M M M Light to occasional moderate showers yesterday, a cool and cloudy day. Late afternoon the clouds cleared to partly cloudy skies and it got breezy. This morning is clear and bright, only a few high cirrus clouds. Forecast is for fair and warmer!
5/6/2017 8:00 AM 0.34 M M M M Last evening rain fell, moderately, then lightly, for several hours. Today is much cooler, blustery, and partly to mostly cloudy.
5/12/2017 8:00 AM 0.08 M M M M A mostly cloudy day, yesterday, with a few light showers and one brief, heavier shower in late afternoon. Today is colder, currently in the upper 30's, with partly cloudy skies and chance of a stray shower.
5/13/2017 8:00 AM 0.03 M M M M Late afternoon, yesterday, a few instability showers moved over the area, light and brief... cold overnight, partly cloudy, breezy and cool today (for May 13th).
5/16/2017 8:00 AM 0.02 M M M M A cloudy, cool day after breezy conditions yesterday afternoon heralded the approaching weak cold front. A very light drizzle this morning, by 8:00 a.m. yielded but 0.02" of precip.
5/17/2017 8:00 AM 0.01 M M M M Despite predictions of 1/10 to 1/4" of precip yesterday, we received but 1/100". Cold this morning, freeze warning just expired, our school garden has some freeze damage. Looks like sunny and warmer weather from now on!
5/31/2017 8:00 AM 0.06 M M M M A little dribble of rain fell, starting around 3:00 a.m., enough to cool it down and moisten up the atmosphere.
6/1/2017 8:00 AM 0.12 M M M M Another beautiful, mild day yesterday, with morning clouds clearing to partly cloudy skies, but in the early evening clouds thickened and we had another brief, light rain shower... today it feels and looks drier, some morning clouds expected to burn away and warmer temps predicted.
6/8/2017 8:00 AM 0.87 M M M M Late season storm, pretty mild temps, and heavy rain during the night... we are in the post frontal phase, scattered light showers and drizzle. Nice for June to get a good soaking!
6/9/2017 8:00 AM 0.20 M M M M
6/11/2017 8:00 AM 0.08 M M M M Yesterday was cool and blustery, with a few light passing showers and then times of bright sunshine. Today started partly cloudy, but it quickly clouded up, as a cold upper low is over the area... forecast is for scattered showers and low (for this time of year) snow levels... possible thunderstorms, though these tend to occur east of us, over the Northern Sacramento Valley, and the Cascade-Sierra ranges. Cold, too,... 20-25 degrees below normal.
6/12/2017 8:00 AM 0.02 M M M M Yesterday was a cold and cloudy day with some late afternoon clearing... very light showers, only 0.02" collected at school. Today starts cloudy, but it is expected to clear up and warm up.
8/7/2017 8:00 AM 0.17 M M M M Yesterday was an afternoon of continuous thunder, as storms to the northeast of school built southward and westward over the area... some anecdotal reports of heavy hail and rain around the area, here at school, 0.17" fell. Today is partly cloudy with forecast of more afternoon/evening thunderstorms and red flag warnings for dry lightning.
9/7/2017 9:00 AM 0.30 M M M M After a long, dry, hot summer, with very sparse rainfall across this region, this morning we have clouds, lightning, and a wetting rain... all leftover moisture from former Tropical Storm Lidia that affected the west coast of Baja and then Southern California last week. What a fresh, cool, moist morning!
9/8/2017 8:00 AM 0.04 M M M M After brief heavy showers yesterday morning, it remained a cloudy, cool day with just a few light showers/drizzle. Today it is currently clear, cool, and humidity is way up. Still a chance of afternoon showers and t-storms.
9/12/2017 8:00 AM 0.04 M M M M A little spritz of rain this morning. The day is cloudy and mild, with a chance of showers and thunderstorms forecast for the afternoon and evening.
9/20/2017 7:00 AM 0.28 M M M M A light rain fell overnight, cloudy and cool and calm this morning. For what it is worth, since we joined CoCORaHS in late spring, we judiciously tracked rain and snow fall over the past rain year... today's rain brings our rain year's total, here at Coffee Creek School, to 97.35"



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