Station Overview Station Location
Station Number CA-OR-5 Latitude 33.528493
Station Name Laguna Niguel 0.9 W Longitude -117.720284
County Orange Elevation (ft) 477



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 10 0.64 4.43 31 4.43 31 0.00 0 0 13 0 0.0 0 0
Nov 10 1.14 0.86 30 0.86 30 0.00 0 0 4 0 0.0 0 0
Dec 10 2.19 13.17 31 13.17 31 0.00 0 0 11 0 0.0 0 0
Jan 11 2.66 0.95 31 0.95 31 0.00 0 0 3 0 0.0 0 0
Feb 11 3.36 3.42 27 3.42 27 0.00 0 0 6 0 0.0 0 0
March 11 2.21 2.92 27 2.92 27 0.00 0 0 8 0 0.0 0 0
April 11 0.90 0.40 22 0.40 22 0.00 0 0 5 0 0.0 0 0
May 11 0.23 0.83 5 0.83 5 0.00 0 0 5 0 0.0 0 0
June 11 0.11 0.02 1 0.02 1 0.00 0 0 1 0 0.0 0 0
July 11 0.04 0.05 1 0.05 1 0.00 0 0 1 0 0.0 0 0
Aug 11 0.04 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 0.20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 13.72" 27.05" 206 days 27.05" 206 0.00" 0 days 0 57 days 0 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
10/1/2010 0.00
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 0.25
10/5/2010 0.60
10/6/2010 0.00
10/7/2010 0.00
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.00
10/13/2010 0.00
10/14/2010 0.01
10/15/2010 0.00
10/16/2010 0.03
10/17/2010 0.05
10/18/2010 0.12
10/19/2010 0.23
10/20/2010 2.36
10/21/2010 0.03
10/22/2010 0.03
10/23/2010 0.02
10/24/2010 0.00
10/25/2010 0.52
10/26/2010 0.00
10/27/2010 0.00
10/28/2010 0.00
10/29/2010 0.00
10/30/2010 0.18
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.00
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.18
11/9/2010 0.00
11/10/2010 0.00
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 0.00
11/14/2010 0.00
11/15/2010 0.00
11/16/2010 0.00
11/17/2010 0.00
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 0.06
11/21/2010 0.45
11/22/2010 0.00
11/23/2010 0.00
11/24/2010 0.00
11/25/2010 0.00
11/26/2010 0.00
11/27/2010 0.00
11/28/2010 0.17
11/29/2010 0.00
11/30/2010 0.00
12/1/2010 0.00
12/2/2010 0.00
12/3/2010 0.00
12/4/2010 0.00
12/5/2010 0.00
12/6/2010 0.15
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010 0.00
12/12/2010 0.00
12/13/2010 0.00
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.08
12/17/2010 0.00
12/18/2010 1.07
12/19/2010 1.76
12/20/2010 1.46
12/21/2010 3.05
12/22/2010 3.95
12/23/2010 0.27
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 0.48
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.08
12/30/2010 0.82
12/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.00
1/2/2011 0.00
1/3/2011 0.45
1/4/2011 0.21
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.00
1/8/2011 0.00
1/9/2011 0.00
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.00
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.00
1/18/2011 0.00
1/19/2011 0.00
1/20/2011 0.00
1/21/2011 0.00
1/22/2011 0.00
1/23/2011 0.00
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 0.00
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 0.00
1/30/2011 0.00
1/31/2011 0.29
2/1/2011 0.00
2/2/2011 0.00
2/3/2011 0.00
2/4/2011 0.00
2/5/2011 0.00
2/6/2011 0.00
2/7/2011 0.00
2/8/2011 0.00
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.32
2/17/2011 0.15
2/18/2011 0.00
2/19/2011 0.59
2/20/2011 0.47
2/21/2011 0.00
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.00
2/26/2011 1.86
2/27/2011 0.03
2/28/2011
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 0.00
3/7/2011 0.26
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.00
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 0.00
3/19/2011 0.01
3/20/2011 0.05
3/21/2011 1.15
3/22/2011 0.08
3/23/2011 0.00
3/24/2011 0.97
3/25/2011
3/26/2011 0.31
3/27/2011 0.09
3/28/2011 0.00
3/29/2011
3/30/2011
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.00
4/4/2011 0.00
4/5/2011 0.00
4/6/2011 0.01
4/7/2011 0.02
4/8/2011 0.16
4/9/2011 0.20
4/10/2011 0.00
4/11/2011 0.00
4/12/2011 0.00
4/13/2011 0.00
4/14/2011 0.00
4/15/2011 0.00
4/16/2011 0.00
4/17/2011 0.00
4/18/2011 0.00
4/19/2011 0.00
4/20/2011 0.00
4/21/2011 0.00
4/22/2011 0.01
4/23/2011
4/24/2011
4/25/2011
4/26/2011
4/27/2011
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011
5/7/2011
5/8/2011
5/9/2011 0.08
5/10/2011
5/11/2011
5/12/2011
5/13/2011
5/14/2011
5/15/2011
5/16/2011
5/17/2011 0.05
5/18/2011 0.35
5/19/2011 0.28
5/20/2011
5/21/2011
5/22/2011
5/23/2011
5/24/2011
5/25/2011
5/26/2011
5/27/2011
5/28/2011
5/29/2011 0.07
5/30/2011
5/31/2011
6/1/2011
6/2/2011
6/3/2011
6/4/2011
6/5/2011
6/6/2011
6/7/2011
6/8/2011
6/9/2011
6/10/2011
6/11/2011
6/12/2011 0.02
6/13/2011
6/14/2011
6/15/2011
6/16/2011
6/17/2011
6/18/2011
6/19/2011
6/20/2011
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011
7/14/2011
7/15/2011
7/16/2011
7/17/2011
7/18/2011
7/19/2011
7/20/2011
7/21/2011
7/22/2011
7/23/2011
7/24/2011
7/25/2011
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011 0.05
8/1/2011
8/2/2011
8/3/2011
8/4/2011
8/5/2011
8/6/2011
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011
8/12/2011
8/13/2011
8/14/2011
8/15/2011
8/16/2011
8/17/2011
8/18/2011
8/19/2011
8/20/2011
8/21/2011
8/22/2011
8/23/2011
8/24/2011
8/25/2011
8/26/2011
8/27/2011
8/28/2011
8/29/2011
8/30/2011
8/31/2011
9/1/2011
9/2/2011
9/3/2011
9/4/2011
9/5/2011
9/6/2011
9/7/2011
9/8/2011
9/9/2011
9/10/2011
9/11/2011
9/12/2011
9/13/2011
9/14/2011
9/15/2011
9/16/2011
9/17/2011
9/18/2011
9/19/2011
9/20/2011
9/21/2011
9/22/2011
9/23/2011
9/24/2011
9/25/2011
9/26/2011
9/27/2011
9/28/2011
9/29/2011
9/30/2011



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 0.00 0.0 M M M
10/2/2010 7:00 AM 0.00 0.0 M M M
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 6:00 AM 0.25 M M M M
10/5/2010 6:00 AM 0.60 M M M M
10/6/2010 7:00 AM 0.00 0.0 M M M
10/7/2010 7:00 AM 0.00 0.0 M M M
10/8/2010 7:00 AM 0.00 0.0 M M M
10/9/2010 7:00 AM 0.00 0.0 M M M
10/10/2010 7:00 AM 0.00 0.0 M M M
10/11/2010 7:00 AM 0.00 0.0 M M M
10/12/2010 7:00 AM 0.00 0.0 M M M
10/13/2010 7:00 AM 0.00 0.0 M M M
10/14/2010 6:00 AM 0.01 M M M M heavy marine layer produced enough falling moisture to record
10/15/2010 7:00 AM 0.00 0.0 M M M
10/16/2010 6:00 AM 0.03 M M M M
10/17/2010 6:00 AM 0.05 M M M M
10/18/2010 6:00 AM 0.12 M M M M more heavy marine layer mixed with some instability that true showers even with the heavier total
10/19/2010 7:00 AM 0.23 M M M M Thundershowers for most of the early AM, predicted to continue throughout the day. Currently 58d F, 98% Rh, barometer is 29.98 falling and the wind is calm.
10/20/2010 7:00 AM 2.36 M M M M considerable moderate to heavy precipitation throughout the morning and most of the afternoon tapering to light rain and drizzle overnight. Currently, the temp is 57d F, 96%Rh, barometer is 29.94R, wind is calm and the sky is overcast with strato-Cu, and light drizzle.
10/21/2010 7:00 AM 0.03 M M M M
10/22/2010 6:00 AM 0.03 M M M M
10/23/2010 6:00 AM 0.02 M M M M
10/24/2010 7:00 AM 0.00 0.0 M M M
10/25/2010 7:00 AM 0.52 M M M M
10/26/2010 7:00 AM 0.00 0.0 M M M
10/27/2010 7:00 AM 0.00 0.0 M M M
10/28/2010 7:00 AM 0.00 0.0 M M M
10/29/2010 7:00 AM 0.00 0.0 M M M
10/30/2010 7:00 AM 0.18 M M M M
10/31/2010 7:00 AM 0.00 0.0 M M M
11/1/2010 7:00 AM 0.00 0.0 M M M
11/2/2010 7:00 AM 0.00 0.0 M M M
11/3/2010 7:00 AM 0.00 0.0 M M M
11/4/2010 7:00 AM 0.00 0.0 M M M
11/5/2010 7:00 AM 0.00 0.0 M M M
11/6/2010 7:00 AM 0.00 0.0 M M M
11/7/2010 7:00 AM 0.00 0.0 M M M
11/8/2010 7:00 AM 0.18 M M M M A low far to the north with associated fast moving trailing cold front produced some light to moderate showers early this morning. the front has moved through leaving mostly cloudy (stratoCu) skies and breezy. The current temp is 56d F, Rh 99%, barometer is 29.97, and the wind is W6/G9.
11/9/2010 7:00 AM 0.00 0.0 M M M
11/10/2010 6:00 AM 0.00 0.0 M M M
11/11/2010 7:00 AM 0.00 0.0 M M M
11/12/2010 7:00 AM 0.00 0.0 M M M
11/13/2010 7:00 AM 0.00 0.0 M M M
11/14/2010 7:00 AM 0.00 0.0 M M M
11/15/2010 7:00 AM 0.00 0.0 M M M
11/16/2010 7:00 AM 0.00 0.0 M M M
11/17/2010 7:00 AM 0.00 0.0 M M M
11/18/2010 7:00 AM 0.00 0.0 M M M
11/19/2010 7:00 AM 0.00 0.0 M M M
11/20/2010 6:00 AM 0.06 M M M M leading edge of what could be an active pacific low. currently cloudy with heavy Cu-strata and light drizzle, barometer 29.90S, Rh 97%, temp 57d F, wind is E-NE @ 5 mph.
11/21/2010 7:00 AM 0.45 M M M M Pecip from first of 3 short waves from an alutian low sliding down the pacific coast. Currently, dizzle with heavy Cu-strata cloud cover. Barometer is 29.94S, Rh 86%, dew pt 43F, temp is 52d F, & wind is SE @ 10 mph/G12.
11/22/2010 7:00 AM 0.00 0.0 M M M
11/23/2010 7:00 AM 0.00 0.0 M M M
11/24/2010 7:00 AM 0.00 0.0 M M M
11/25/2010 7:00 AM 0.00 0.0 M M M
11/26/2010 7:00 AM 0.00 0.0 M M M
11/27/2010 7:00 AM 0.00 0.0 M M M
11/28/2010 6:00 AM 0.17 M M M M A fast moving cold front passed thru socal last night dropping light rain and leaving moderate wind. Currently, skies are clear to partly cloudy near the foothills, temp is 50d F, 55% Rh, dew point id 34d, bar is 30.00S, and winds are 5 mph/gusts to 16.
11/29/2010 6:00 AM 0.00 0.0 M M M
11/30/2010 7:00 AM 0.00 0.0 M M M
12/1/2010 7:00 AM 0.00 0.0 M M M
12/2/2010 7:00 AM 0.00 0.0 M M M
12/3/2010 7:00 AM 0.00 0.0 M M M
12/4/2010 7:00 AM 0.00 0.0 M M M
12/5/2010 7:00 AM 0.00 0.0 M M M
12/6/2010 6:00 AM 0.15 M M M M
12/7/2010 7:00 AM 0.00 0.0 M M M
12/8/2010 7:00 AM 0.00 0.0 M M M
12/9/2010 7:00 AM 0.00 0.0 M M M
12/10/2010 7:00 AM 0.00 0.0 M M M
12/11/2010 7:00 AM 0.00 0.0 M M M
12/12/2010 7:00 AM 0.00 0.0 M M M
12/13/2010 7:00 AM 0.00 0.0 M M M
12/14/2010 7:00 AM 0.00 0.0 M M M
12/15/2010 7:00 AM 0.00 0.0 M M M
12/16/2010 6:00 AM 0.08 M M M M First rain bands from a zonal flow of moisture coming from the subtropics. This is forcast to be an on again, off again rain event stretching well into next week with several impulses imbedded within the flow, heaviest rain said to come next week. Currently,the sky is cloudy with stratoCu and light rain is falling, the barometer is 29.91S, Rh 99%, temp is 50d F, and wind is 4 mph with gusts to 10.
12/17/2010 7:00 AM 0.00 0.0 M M M
12/18/2010 7:00 AM 1.07 M M M M Light rain fell off and on yesterday with more moderate rainfall over night. This was a precursor to possibly a week of precip with the first of heavy impulses arriving this morning and due to last throughout the day. Currently, the barometer is 30.01S, temp if 56d F, Rh 99%, the wind is 1 - 2 mph SE, light drizzle is falling, the sky is cloudy with stratonimbus and some ground fog.
12/19/2010 8:20 AM 1.76 M M M M The first large wave of moisture moved into So Cal yesterday afternoon bring moderate, steady rain to the area overnight. This first wave in a series forcast to be progressivly stronger systems brough very little wind in south Orange County and has been realatively warm & very wet due to the tropical fetch. Currently, the temp is 56d F, Rh 100%, barometer is 29.93S, the wind is 2 mph, the sky is completely cloudy with nimbostratus and some groung fog, and light rain/drizzle is falling.
12/20/2010 6:00 AM 1.46 M M M M With the movement of another trough through the area, rain fall during the day was mostly light with periods of more intense rain with the the rain fall during the late eve becoming generaly moderate and steady, the next heavy precipitation period id due late this afternoon. Currently the sky is completely cloudy with stratoCu and no ground fog. The temp is 55d F, Rh 91% barometer is 29.82, and the wind is calm.
12/21/2010 6:00 AM 3.05 M M M M The fire hose continues to be aimed at So Cal with this 24 hr total being the most impresive yet in south orange county @ this station. The second of the imbedded short waves moved through yesterday afternoon/evening with moderate with periods of heavy rain being recorded throughout the period. NOAA predicts a more severe period of rain eminating from the tropical fetch combined with the cold core of the low moving into So Cal starting this afternoon. Currently, temp is 51d F, Rh 100%, barometer is 29.87S, wind is calm, the sky is cloudy with nimboStrat (100%), and light rain is falling.
12/22/2010 6:00 AM 3.95 M M M M Epic! One of the largest rain fall totals I've ever seen in this area for daily and cumulative storm. The final wave of this system moved onshore starting last night and continues this morning with the cold core of the low still a few hundred miles off shore expected in this afternoon with the possibilities of T-storms and damaging winds. Currently, 54d F, Rh 100%, barometer 29.78S, wind is 3 mph SE w/ gusts to 10, sky is completely cloudy with stratonimbus and it is raining lightly.
12/23/2010 6:00 AM 0.27 M M M M The cold core of the low responsible for directing a subtropical stream of moisture into southern california has finally ejected to the east end the threat of rain for the short term. Record breaking in scope, this station alone has received 11.56" of precip since last Friday 12/18 and considering this area receives aprox. 14 1/2" of average annual rainfall, that's an amazing stat. Currently, the temp is 51d F, Rh 98%, barometer is 30.15R, wind is calm, the sky is cloudy with a stratus deck in place and it is NOT raining for the first time in 6 days.
12/24/2010 7:00 AM 0.00 0.0 M M M
12/25/2010 7:00 AM 0.00 0.0 M M M
12/26/2010 7:00 AM 0.48 M M M M A fast moving trough moved through last night dropping light to moderate rain for a few hours before 4 AM. Currently, the temp is 40d F, Rh 99%, barometer is 30.10 R, wind is calm, and the sky is partly cloudy with a combo of cir, altostrat,and low stratus deck.
12/27/2010 6:00 AM 0.00 0.0 M M M
12/28/2010 7:00 AM 0.00 0.0 M M M
12/29/2010 6:00 AM 0.08 M M M M A predicted fast moving, vigerous cold front is just making it's way into Southern O.C. The rain period is slated to be 4 - 6 hours of fairly intense rainfall followed by strong NW winds. Currently, the temp is 44d F, Rh 100%, barometer is 29.81F, winds are calm, the sky is overcast with stratoNm, and rain is falling at aprox. rate of 1/10"/hr.
12/30/2010 6:00 AM 0.82 M M M M Fast moving cold front moved out! Clear and brisk this morning with crysal clear skys and NW winds 15 mph/G30.
12/31/2010 6:00 AM 0.00 0.0 M M M
1/1/2011 7:00 AM 0.00 0.0 M M M
1/2/2011 7:00 AM 0.00 0.0 M M M
1/3/2011 6:00 AM 0.45 M M M M A cut-off low drifting southward over the Pacific is the cause of the precipitation in this area coupled with extremely low snow levels in southern california as low as 1000 ft in some areas. Areas in northeastern Los Angeles county between 1-2000ft received up to 6" of snow which stuck! I-5 & I-15 are either closed or under escort to traverse. Currently, Temp is 49d F, Rh 99%, barometer 30.00S, wind is calm,sky is cloudy with stratoNimbus, and light rain is falling.
1/4/2011 6:00 AM 0.21 M M M M
1/5/2011 7:00 AM 0.00 0.0 M M M
1/6/2011 7:00 AM 0.00 0.0 M M M
1/7/2011 7:00 AM 0.00 0.0 M M M
1/8/2011 7:00 AM 0.00 0.0 M M M
1/9/2011 7:00 AM 0.00 0.0 M M M
1/10/2011 7:00 AM 0.00 0.0 M M M
1/11/2011 7:00 AM 0.00 0.0 M M M
1/12/2011 7:00 AM 0.00 0.0 M M M
1/13/2011 7:00 AM 0.00 0.0 M M M
1/14/2011 7:00 AM 0.00 0.0 M M M
1/15/2011 7:00 AM 0.00 0.0 M M M
1/16/2011 7:00 AM 0.00 0.0 M M M
1/17/2011 7:00 AM 0.00 0.0 M M M
1/18/2011 7:00 AM 0.00 0.0 M M M
1/19/2011 7:00 AM 0.00 0.0 M M M
1/20/2011 7:00 AM 0.00 0.0 M M M
1/21/2011 7:00 AM 0.00 0.0 M M M
1/22/2011 7:00 AM 0.00 0.0 M M M
1/23/2011 7:00 AM 0.00 0.0 M M M
1/24/2011 7:00 AM 0.00 0.0 M M M
1/25/2011 7:00 AM 0.00 0.0 M M M
1/26/2011 7:00 AM 0.00 0.0 M M M
1/27/2011 7:00 AM 0.00 0.0 M M M
1/28/2011 7:00 AM 0.00 0.0 M M M
1/29/2011 7:00 AM 0.00 0.0 M M M
1/30/2011 7:00 AM 0.00 0.0 M M M
1/31/2011 6:00 AM 0.29 M M M M
2/1/2011 7:00 AM 0.00 0.0 M M M
2/2/2011 7:00 AM 0.00 0.0 M M M
2/3/2011 7:00 AM 0.00 0.0 M M M
2/4/2011 7:00 AM 0.00 0.0 M M M
2/5/2011 7:00 AM 0.00 0.0 M M M
2/6/2011 7:00 AM 0.00 0.0 M M M
2/7/2011 7:00 AM 0.00 0.0 M M M
2/8/2011 7:00 AM 0.00 0.0 M M M
2/9/2011 7:00 AM 0.00 0.0 M M M
2/10/2011 7:00 AM 0.00 0.0 M M M
2/11/2011 7:00 AM 0.00 0.0 M M M
2/12/2011 7:00 AM 0.00 0.0 M M M
2/13/2011 7:00 AM 0.00 0.0 M M M
2/14/2011 7:00 AM 0.00 0.0 M M M
2/15/2011 7:00 AM 0.00 0.0 M M M
2/16/2011 6:00 AM 0.32 M M M M
2/17/2011 6:00 AM 0.15 M M M M
2/18/2011 7:00 AM 0.00 0.0 M M M
2/19/2011 6:00 AM 0.59 M M M M vigorous front passing through overnight brought moderate rain to this area with higher amounts to the north. The front was accompanied with strong winds in most So Cal areas. Currently, the sky is mostly cloudy with StratoCu and sprinkles, bar is 29.87S, Rh 85%, Temp 47dF, andthe wind is 2 mph W.
2/20/2011 11:30 AM 0.47 M M M M a second wave of a relatively slow moving low moved through last night bringing moderate rain to the coast with a few Tx witrh much heavier rain to the foothills and heavy snow to the mountains with levels down to 2000'. Currently, barometer is 30.10S, Rh 79%, temp is 49d F, wind is S @ 2mph, and the sky is partly cloudy with Cu.
2/21/2011 7:00 AM 0.00 0.0 M M M
2/22/2011 7:00 AM 0.00 0.0 M M M
2/23/2011 7:00 AM 0.00 0.0 M M M
2/24/2011 7:00 AM 0.00 0.0 M M M
2/25/2011 7:00 AM 0.00 0.0 M M M
2/26/2011 6:00 AM 1.86 0.0 M M M A vigerous cold front moved through overnight producing moderate rain and cold wind. Currently, barometer is 29.80S, Rh 88%, temp 46d F, wind is E @ 6/gusts to 12, and the sky is mostly cloudy with Cu
2/27/2011 6:00 AM 0.03 M M M M
3/1/2011 7:00 AM 0.00 0.0 M M M
3/2/2011 7:00 AM 0.00 0.0 M M M
3/3/2011 7:00 AM 0.00 0.0 M M M
3/4/2011 7:00 AM 0.00 0.0 M M M
3/5/2011 7:00 AM 0.00 0.0 M M M
3/6/2011 7:00 AM 0.00 0.0 M M M
3/7/2011 6:00 AM 0.26 M M M M Afairly waek cold front associated with a zonal moisture flow off the Pacific sagged through So Cal overnight producing light showers and drizzle. Currently, The sky is overcast with nimbostrat and light rain is falling, barometer is 29.86S, Rh 99%, temp is 51d F, and the wind is E/SE @ 10 mph/gust to 15.
3/8/2011 7:00 AM 0.00 0.0 M M M
3/9/2011 7:00 AM 0.00 0.0 M M M
3/10/2011 7:00 AM 0.00 0.0 M M M
3/11/2011 7:00 AM 0.00 0.0 M M M
3/12/2011 7:00 AM 0.00 0.0 M M M
3/13/2011 7:00 AM 0.00 0.0 M M M
3/14/2011 7:00 AM 0.00 0.0 M M M
3/15/2011 7:00 AM 0.00 0.0 M M M
3/16/2011 7:00 AM 0.00 0.0 M M M
3/17/2011 7:00 AM 0.00 0.0 M M M
3/18/2011 7:00 AM 0.00 0.0 M M M
3/19/2011 6:00 AM 0.01 M M M M
3/20/2011 6:00 AM 0.05 M M M M
3/21/2011 6:00 AM 1.15 0.0 M M M A vigirous early spring storm moved onshore yesterday and last night bringing moderate to heavy rains and very strong winds to so cal with numerous trees down, power outages, and creek and canyon flooding. Currently, the barometer is 29.88R, 93% Rh, 55d F, and the wind is calm. The sky is partly cloudy with altoStrat and Cu and showers are expected today.
3/22/2011 6:00 AM 0.08 M M M M
3/23/2011 7:00 AM 0.00 0.0 M M M
3/24/2011 6:00 AM 0.97 M M M M
3/26/2011 6:00 AM 0.31 M M M M
3/27/2011 6:00 AM 0.09 M M M M
3/28/2011 6:00 AM 0.00 0.0 M M M
4/1/2011 7:00 AM 0.00 0.0 M M M
4/2/2011 7:00 AM 0.00 0.0 M M M
4/3/2011 7:00 AM 0.00 0.0 M M M
4/4/2011 7:00 AM 0.00 0.0 M M M
4/5/2011 7:00 AM 0.00 0.0 M M M
4/6/2011 6:00 AM 0.01 M M M M
4/7/2011 6:00 AM 0.02 M M M M
4/8/2011 6:00 AM 0.16 M M M M Showery mix is store for the next couple of days with an unusually cold maritime low drifting south from the northwest. This is slated to produce showery and cool weather west of the SB mountains and up to a foot of snow in the local mountains at the highest elevations. Currently barometer is 29.85S, Rh 74%, Temp is 50d F, wind is calm, and the sky is partly cloudy with Cu.
4/9/2011 6:00 AM 0.20 M M M M
4/10/2011 7:00 AM 0.00 0.0 M M M
4/11/2011 7:00 AM 0.00 0.0 M M M
4/12/2011 7:00 AM 0.00 0.0 M M M
4/13/2011 7:00 AM 0.00 0.0 M M M
4/14/2011 7:00 AM 0.00 0.0 M M M
4/15/2011 7:00 AM 0.00 0.0 M M M
4/16/2011 7:00 AM 0.00 0.0 M M M
4/17/2011 7:00 AM 0.00 0.0 M M M
4/18/2011 7:00 AM 0.00 0.0 M M M
4/19/2011 7:00 AM 0.00 0.0 M M M
4/20/2011 7:00 AM 0.00 0.0 M M M
4/21/2011 7:00 AM 0.00 0.0 M M M
4/22/2011 6:00 AM 0.01 M M M M Thick marine layer contributed to heavy drizzle for a prolonged period
5/9/2011 7:00 AM 0.08 M M M M Quick hitting short wave coupled with a very thick marine layer produced a bout of showers.
5/17/2011 6:00 AM 0.05 M M M M Leading edge of what is to be a fairly wet day with an unusual cold front and associated low this late in the year moving into central and southern cal. Currently, barometer is 29.86S, Rh 96%, temp is 49d F, wind is NE @ 5 mph, and the sky is cloudy with stratonimbus and light rain.
5/18/2011 6:00 AM 0.35 M M M M
5/19/2011 6:00 AM 0.28 M M M M
5/29/2011 6:00 AM 0.07 M M M M
6/12/2011 6:00 AM 0.02 M M M M heavy marine layer
7/31/2011 6:00 AM 0.05 M M M M sub-tropical moisture streaming in from Mexico brought showers last night and possibly today



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