California Seasonal Rainfall and Percent of Normal

2025-2026 CALIFORNIA RAINFALL SEASON
TOTALS TO DATE
1991-2020 NORMALS TO DATE
PERCENTAGE OF 1991-2020 NORMAL TO DATE

M = Missing data which was not received from the National Weather Service.

DAILY TOTALS
RAINFALL TO DATE
NORMAL TO DATE
% NORMAL TO DATE RAINFALL TO DATE
FULL SEASON NORMAL
% NORMAL FULL SEASON

Precip Data Ending 4pm on Sunday, May 10, 2026 Sunday, May 10, 2026

Northern California Daily Total Jul 1 to To Date Jul 1 to Full Season

Since 12am 10-May Normal % Normal 10-May Normal % Normal

Crescent City 0.00 42.41 54.95 77% 42.41 57.98 73%

Eureka T 34.63 38.70 89% 34.63 40.40 86%

Ukiah 0.00 31.06 33.81 92% 31.06 34.84 89%

Montague/Siskiyou 0.00 11.87 10.71 M 11.87 11.99 M

Alturas 0.00 10.10 10.14 100% 10.10 11.68 86%

Mount Shasta City 0.00 34.48 40.06 86% 34.48 42.63 81%

Redding 0.00 30.52 31.56 97% 30.52 33.52 91%

Red Bluff 0.00 24.04 21.84 110% 24.04 23.12 104%

Sacramento Exec AP 0.00 16.72 17.43 96% 16.72 18.14 92%

Blue Canyon 0.00 71.17 58.64 121% 71.17 62.44 114%

South Lake Tahoe 0.00 21.15 19.05 111% 21.15 20.46 103%

Santa Rosa 0.00 26.45 32.69 81% 26.45 33.78 78%

San Francisco Downtown 0.00 20.24 22.26 91% 20.24 22.89 88%

SFO Airport 0.00 19.45 19.21 101% 19.45 19.64 99%

Oakland Airport 0.00 17.62 18.12 97% 17.62 18.68 94%

Livermore 0.00 11.98 14.71 81% 11.98 15.18 79%

San Jose 0.00 13.03 13.08 100% 13.03 13.48 97%

Central California... Daily Total Jul 1 to To Date Jul 1 to Full Season

Since 12am 10-May Normal % Normal 10-May Normal % Normal

Stockton 0.00 15.01 13.00 115% 15.01 13.45 112%

Modesto 0.00 12.88 11.70 110% 12.88 12.27 105%

Merced 0.00 10.04 11.36 88% 10.04 11.80 85%

Madera 0.00 10.60 10.34 103% 10.60 10.79 98%

Fresno 0.00 11.57 10.49 110% 11.57 10.99 105%

Hanford 0.00 8.95 7.84 114% 8.95 8.13 110%

Bakersfield 0.00 7.03 6.17 114% 7.03 6.36 111%

Bishop 0.00 7.61 4.55 167% 7.61 4.84 157%

Death Valley 0.00 3.50 2.13 164% 3.50 2.20 159%

Salinas 0.00 12.89 12.28 105% 12.89 12.58 102%

Paso Robles 0.00 14.09 11.93 118% 14.09 12.15 116%

Santa Maria 0.00 15.56 13.06 119% 15.56 13.32 117%

Southern California Daily Total Jul 1 to To Date Jul 1 to Full Season

Since 12am 10-May Normal % Normal 10-May Normal % Normal

Sandberg 0.00 23.44 12.82 183% 23.44 13.14 178%

Palmdale 0.00 8.07 5.79 139% 8.07 5.90 137%

Lancaster 0.00 9.07 6.70 135% 9.07 6.81 133%

Santa Barbara 0.00 23.71 16.89 140% 23.71 17.25 137%

Camarillo 0.00 17.72 11.68 152% 17.72 12.01 148%

Burbank - Bob Hope 0.00 19.71 13.65 144% 19.71 13.91 142%

LAX Airport 0.00 13.57 11.99 113% 13.57 12.23 111%

Los Angeles Downtown 0.00 19.07 13.97 137% 19.07 14.25 134%

Long Beach 0.00 13.29 11.80 113% 13.29 12.02 111%

Fullerton 0.00 15.67 11.60 135% 15.67 11.86 132%

Irvine - John Wayne 0.00 11.24 11.03 102% 11.24 11.18 101%

Oceanside 0.00 10.11 11.59 87% 10.11 11.86 85%

Ramona 0.00 12.11 14.37 84% 12.11 14.65 83%

San Diego - Montgomery Fld 0.00 9.26 10.80 86% 9.26 11.02 84%

San Diego - Lindbergh 0.00 10.58 9.58 110% 10.58 9.79 108%

San Diego - Brown Field 0.00 8.67 9.97 87% 8.67 10.23 85%

Ontario 0.00 12.16 11.46 106% 12.16 11.64 104%

Riverside 0.00 7.94 9.29 85% 7.94 9.39 85%

Palm Springs 0.00 4.76 4.60 103% 4.76 4.61 103%

Thermal 0.00 2.64 2.94 90% 2.64 2.96 89%

Barstow-Daggett 0.00 3.72 3.71 100% 3.72 3.77 99%

Needles 0.00 2.82 4.24 67% 2.82 4.32 65%

Notes:
- "T" = Trace (e.g., < 0.01", the smallest increment measured).
- Updated, whenever possible during rainy periods, usually between 7 and 9 pm pst.

- The source data for this page comes from https://www.cnrfc.noaa.gov/awipsProducts/RNORR4RSA.php and is converted to the California rainfall season (July 1 to Jun 30) that meteorologists use, from the Water Year (Oct 1 to Sep 30) that hydrologists use. The stations chosen for the list are determined by the NWS.

Jan Null, CCM
Golden Gate Weather Services
jnull@ggweather.com

2025-2026 CALIFORNIA RAINFALL SEASON TOTALS TO DATE 1991-2020 NORMALS TO DATE PERCENTAGE OF 1991-2020 NORMAL TO DATE
M = Missing data which was not received from the National Weather Service.
	DAILY TOTALS RAINFALL TO DATE NORMAL TO DATE % NORMAL TO DATE				RAINFALL TO DATE FULL SEASON NORMAL % NORMAL FULL SEASON
Precip Data Ending 4pm on	Sunday, May 10, 2026				Sunday, May 10, 2026
Northern California	Daily Total	Jul 1 to	To Date		Jul 1 to	Full Season
Northern California	Since 12am	10-May	Normal	% Normal	10-May	Normal	% Normal
Crescent City	0.00	42.41	54.95	77%	42.41	57.98	73%
Eureka	T	34.63	38.70	89%	34.63	40.40	86%
Ukiah	0.00	31.06	33.81	92%	31.06	34.84	89%
Montague/Siskiyou	0.00	11.87	10.71	M	11.87	11.99	M
Alturas	0.00	10.10	10.14	100%	10.10	11.68	86%
Mount Shasta City	0.00	34.48	40.06	86%	34.48	42.63	81%
Redding	0.00	30.52	31.56	97%	30.52	33.52	91%
Red Bluff	0.00	24.04	21.84	110%	24.04	23.12	104%
Sacramento Exec AP	0.00	16.72	17.43	96%	16.72	18.14	92%
Blue Canyon	0.00	71.17	58.64	121%	71.17	62.44	114%
South Lake Tahoe	0.00	21.15	19.05	111%	21.15	20.46	103%
Santa Rosa	0.00	26.45	32.69	81%	26.45	33.78	78%
San Francisco Downtown	0.00	20.24	22.26	91%	20.24	22.89	88%
SFO Airport	0.00	19.45	19.21	101%	19.45	19.64	99%
Oakland Airport	0.00	17.62	18.12	97%	17.62	18.68	94%
Livermore	0.00	11.98	14.71	81%	11.98	15.18	79%
San Jose	0.00	13.03	13.08	100%	13.03	13.48	97%

Central California...	Daily Total	Jul 1 to	To Date		Jul 1 to	Full Season
Central California...	Since 12am	10-May	Normal	% Normal	10-May	Normal	% Normal
Stockton	0.00	15.01	13.00	115%	15.01	13.45	112%
Modesto	0.00	12.88	11.70	110%	12.88	12.27	105%
Merced	0.00	10.04	11.36	88%	10.04	11.80	85%
Madera	0.00	10.60	10.34	103%	10.60	10.79	98%
Fresno	0.00	11.57	10.49	110%	11.57	10.99	105%
Hanford	0.00	8.95	7.84	114%	8.95	8.13	110%
Bakersfield	0.00	7.03	6.17	114%	7.03	6.36	111%
Bishop	0.00	7.61	4.55	167%	7.61	4.84	157%
Death Valley	0.00	3.50	2.13	164%	3.50	2.20	159%
Salinas	0.00	12.89	12.28	105%	12.89	12.58	102%
Paso Robles	0.00	14.09	11.93	118%	14.09	12.15	116%
Santa Maria	0.00	15.56	13.06	119%	15.56	13.32	117%

Southern California	Daily Total	Jul 1 to	To Date		Jul 1 to	Full Season
Southern California	Since 12am	10-May	Normal	% Normal	10-May	Normal	% Normal
Sandberg	0.00	23.44	12.82	183%	23.44	13.14	178%
Palmdale	0.00	8.07	5.79	139%	8.07	5.90	137%
Lancaster	0.00	9.07	6.70	135%	9.07	6.81	133%
Santa Barbara	0.00	23.71	16.89	140%	23.71	17.25	137%
Camarillo	0.00	17.72	11.68	152%	17.72	12.01	148%
Burbank - Bob Hope	0.00	19.71	13.65	144%	19.71	13.91	142%
LAX Airport	0.00	13.57	11.99	113%	13.57	12.23	111%
Los Angeles Downtown	0.00	19.07	13.97	137%	19.07	14.25	134%
Long Beach	0.00	13.29	11.80	113%	13.29	12.02	111%
Fullerton	0.00	15.67	11.60	135%	15.67	11.86	132%
Irvine - John Wayne	0.00	11.24	11.03	102%	11.24	11.18	101%
Oceanside	0.00	10.11	11.59	87%	10.11	11.86	85%
Ramona	0.00	12.11	14.37	84%	12.11	14.65	83%
San Diego - Montgomery Fld	0.00	9.26	10.80	86%	9.26	11.02	84%
San Diego - Lindbergh	0.00	10.58	9.58	110%	10.58	9.79	108%
San Diego - Brown Field	0.00	8.67	9.97	87%	8.67	10.23	85%
Ontario	0.00	12.16	11.46	106%	12.16	11.64	104%
Riverside	0.00	7.94	9.29	85%	7.94	9.39	85%
Palm Springs	0.00	4.76	4.60	103%	4.76	4.61	103%
Thermal	0.00	2.64	2.94	90%	2.64	2.96	89%
Barstow-Daggett	0.00	3.72	3.71	100%	3.72	3.77	99%
Needles	0.00	2.82	4.24	67%	2.82	4.32	65%