Flood Management > Hydrology & Flood Operations > California State Climatologist > Climate Data

Hydrology &
Flood Operations

California State Climatologist

3310 El Camino Avenue
Suite 200
Sacramento, CA 95821

Mailing Address:
P.O. Box 219000
Sacramento, CA 95821-9000

Flood & Safety Topics

Flood Management

Hydrology & Flood Operations

California State Climatologist

Climate Data

North Coast

North Coast Hydrologic Region

Region Avg	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Avg Temp	43.9	46.7	49.2	52.6	57.6	63.0	67.4	67.1	63.6	57.1	48.6	43.6	55.0
Std Dev T	2.3	2.4	2.5	2.6	2.2	1.6	1.4	1.2	1.7	2.1	2.4	2.5	1.0
Avg Precip	7.53	6.84	5.97	2.60	1.50	0.58	0.20	0.35	0.85	2.42	5.83	6.58	41.25
Std Dev P	4.48	4.37	3.78	1.43	1.32	0.48	0.20	0.58	0.98	1.74	4.41	4.61	12.91

Location:

BIG BAR 4 E

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	BIG BAR 4 E
State:	CA
Lat:	40 44'
Long:	-123 12'
Elev:	1250
ID:	040738
Minimum	33.4	34.2	36.2	37.8	42.8	48.1	51.8	51.4	47.3	40.6	37.1	33.7	41.2
Maximum	50	56.9	63.2	71.1	79.8	88.5	96.8	96.7	90	76.4	56.2	48.5	72.8
Mean	41.7	45.6	49.7	54.5	61.3	68.3	74.3	74.1	68.7	58.5	46.7	41.1	57
Precip.	6.82	6.06	5.45	2.2	1.36	0.52	0.21	0.38	0.95	2.25	5.39	6.33	37.92
HDD	723	544	474	327	163	42	6	1	38	221	550	742	3831
CDD	0	0	0	9	47	142	293	281	147	20	0	0	939

Location:

BRIDGEVILLE 4 NNW

Location:

BURNT RANCH 1 S

Location:

CALLAHAN

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	CALLAHAN
State:	CA
Lat:	41 19'
Long:	-122 48'
Elev:	3185
ID:	041316
Minimum	26	28.8	30.9	33.6	38.7	44	49.4	48.3	42.8	36.1	30.3	26.2	36.3
Maximum	45.1	51	56.2	62.9	71.1	79.2	86.7	86.3	79.6	68.3	52	44.6	65.3
Mean	35.6	39.9	43.6	48.3	54.9	61.6	68.1	67.3	61.2	52.2	41.2	35.4	50.8
Precip.	3.72	2.94	2.44	1.34	1.15	0.82	0.46	0.35	0.64	1.39	2.95	3.1	21.3
HDD	912	704	665	503	320	143	37	31	146	399	715	918	5493
CDD	0	0	0	0	7	42	130	102	32	2	0	0	315

Location:

CAZADERO 5 NW

Location:

CECILVILLE

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	CECILVILLE
State:	CA
Lat:	41 08'
Long:	-123 08'
Elev:	2330
ID:	041606
Minimum	28.9	30.4	32.2	35.2	40.3	45.7	50.2	49.1	44.8	37.6	32.4	28.8	38
Maximum	46.8	52	57	64.1	73.2	81.8	90.2	90.7	83	70.7	53	44.4	67.2
Mean	37.9	41.2	44.6	49.7	56.8	63.8	70.2	69.9	63.9	54.2	42.7	36.6	52.6
Precip.	6.45	5.24	4.78	2.32	1.65	0.79	0.45	0.56	0.86	2.37	5.22	5.91	36.6
HDD	843	667	633	471	275	119	46	33	125	355	669	880	5116
CDD	0	0	0	11	19	82	207	185	91	20	0	0	615

Location:

CLOVERDALE

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	CLOVERDALE
State:	CA
Lat:	38 48'
Long:	-123 01'
Elev:	333
ID:	041838
Minimum	38.9	41.5	43.2	45.9	49.7	53.5	54.6	53.9	53.7	49.5	43.5	38.1	47.2
Maximum	56.3	60.5	64.9	72.4	80.7	88.7	93.4	91.9	87.1	77.8	63.5	55.9	74.4
Mean	47.6	51	54.1	59.2	65.2	71.1	74	72.9	70.4	63.7	53.5	47	60.8
Precip.	8.65	7.89	6.52	2.36	1.13	0.12	0.06	0.15	0.6	2.2	5.79	6.59	42.06
HDD	539	392	348	206	95	12	0	4	20	117	349	557	2639
CDD	0	0	8	31	102	194	280	249	183	75	5	0	1127

Location:

COPCO NO 1 DAM

Location:

COVELO

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	COVELO
State:	CA
Lat:	39 49'
Long:	-123 15'
Elev:	1410
ID:	042081
Minimum	31.3	33.8	35.8	37.7	42.1	47.5	51.5	50.1	45.6	39.3	34.4	30.7	40
Maximum	53.7	58.1	62.3	68.7	76.3	85.1	92.8	92.6	87.8	76.4	59.7	52.6	72.2
Mean	42.5	46	49.1	53.2	59.2	66.3	72.2	71.4	66.7	57.9	47.1	41.7	56.1
Precip.	8.32	7.49	6.31	2.5	1.44	0.36	0.07	0.21	0.68	2.35	5.72	6.78	42.23
HDD	697	535	496	358	201	57	16	5	49	247	540	724	3925
CDD	0	0	0	4	21	96	238	202	99	24	0	0	684

Location:

CRESCENT CITY 3 NNW

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	CRESCENT CITY 3 NNW
State:	CA
Lat:	41 48'
Long:	-124 13'
Elev:	40
ID:	042147
Minimum	39.6	41.2	41.8	43.3	46	48.4	50.4	50.8	48.7	45.4	42	38.9	44.7
Maximum	53.6	54.4	54.6	56.6	59.6	62.7	65.4	66	66	63	56.7	54	59.4
Mean	46.6	47.8	48.2	50	52.8	55.6	57.9	58.4	57.4	54.2	49.4	46.5	52.1
Precip.	10.15	9.18	9.22	5.13	3.13	1.57	0.4	0.74	1.67	4.56	9.84	11.23	66.82
HDD	571	483	477	452	378	284	221	207	234	335	469	576	4787
CDD	0	0	0	0	0	0	0	3	3	0	0	0	6

Location:

CRESCENT CITY 7 ENE

Location:

EUREKA WFO WOODLEY IS

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	EUREKA WFO WOODLEY IS
State:	CA
Lat:	40 49'
Long:	-124 10'
Elev:	20
ID:	042910
Minimum	40.8	41.8	42.2	44	47.6	50.7	52.8	53.4	51.2	47.7	43.9	40.6	46.4
Maximum	55	55.9	56.1	57.4	59.6	61.8	63.3	63.9	63.6	61.3	58	55.1	59.3
Mean	47.9	48.9	49.2	50.7	53.6	56.3	58.1	58.7	57.4	54.5	51	47.9	52.9
Precip.	5.97	5.51	5.55	2.91	1.62	0.65	0.16	0.38	0.86	2.36	5.78	6.35	38.1
HDD	530	451	448	430	354	263	216	198	232	326	423	532	4403
CDD	0	0	0	0	0	0	0	2	5	0	0	0	7

Location:

FORT BRAGG 5 N

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	FORT BRAGG 5 N
State:	CA
Lat:	39 31'
Long:	-123 46'
Elev:	120
ID:	043161
Minimum	40.8	41.5	42.1	43.2	45.4	48	49.5	50	49.3	46.4	43.1	39.9	44.9
Maximum	55.9	57	58.4	60.7	62.4	64.8	66.6	66.7	67	64.1	59.2	55.4	61.5
Mean	48.4	49.3	50.3	52	53.9	56.4	58.1	58.4	58.2	55.3	51.2	47.7	53.3
Precip.	7.32	6.78	6.48	2.86	1.59	0.42	0.14	0.34	0.74	2.57	5.42	6.34	41
HDD	516	441	423	392	346	258	217	210	207	302	416	538	4266
CDD	0	0	0	0	0	0	1	3	2	0	0	0	6

Location:

FORT DICK

Location:

FORT JONES RANGER STN

Location:

FORT ROSS

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	FORT ROSS
State:	CA
Lat:	38 31'
Long:	-123 15'
Elev:	112
ID:	043191
Minimum	40.5	42	42.1	42.2	44.2	46.4	47.9	48.8	48.1	46	43.2	40.4	44.3
Maximum	56.7	58.3	59.1	60.6	62.6	65.2	66	67.2	67.7	65.9	61.2	57.3	62.3
Mean	48.6	50.2	50.6	51.4	53.4	55.8	57	58	57.9	56	52.2	48.9	53.3
Precip.	7.21	6.21	5.59	2.41	1.05	0.33	0.14	0.26	0.64	2.22	5.35	5.67	37.08
HDD	509	417	414	409	359	276	249	218	217	281	384	501	4234
CDD	0	0	0	0	0	0	0	1	4	1	0	0	6

Location:

GARBERVILLE

Location:

GASQUET RS

Location:

GRATON

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	GRATON
State:	CA
Lat:	38 26'
Long:	-122 52'
Elev:	200
ID:	043578
Minimum	35.7	38.1	40.1	41.4	44.5	47.6	49.3	49	47.7	43.1	38	34.3	42.4
Maximum	57	61.7	64.9	70.2	75.8	81.2	83.6	83.8	82.4	77	65.5	57.5	71.7
Mean	46.4	49.9	52.5	55.8	60.2	64.4	66.5	66.4	65.1	60.1	51.8	45.9	57.1
Precip.	8.65	7.64	6.15	2.25	1.03	0.25	0.08	0.11	0.52	2.01	5.85	6.29	40.83
HDD	579	422	389	278	166	70	25	26	65	169	398	592	3179
CDD	0	0	0	1	15	52	70	69	65	16	0	0	288

Location:

GREENVIEW

Location:

GRIZZLY CREEK STATE PAR

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	GRIZZLY CREEK STATE PAR
State:	CA
Lat:	40 29'
Long:	-123 55'
Elev:	410
ID:	043647
Minimum	37.2	38.8	40.2	41.8	46.5	49.8	52.6	52.8	49.4	44.5	39.9	36.6	44.2
Maximum	48.8	51.5	54.3	58.9	64.3	68.8	73.3	73	70.2	63.3	53.2	48.5	60.7
Mean	43	45.2	47.3	50.4	55.4	59.3	63	62.9	59.8	53.9	46.6	42.6	52.5
Precip.	8.88	8.42	8.51	4.07	2.21	0.64	0.11	0.43	0.99	3.06	7.44	9.34	54.1
HDD	682	555	550	439	298	175	77	77	163	344	554	696	4610
CDD	0	0	0	0	1	3	14	13	7	0	0	0	38

Location:

HAPPY CAMP RANGER STN

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	HAPPY CAMP RANGER STN
State:	CA
Lat:	41 48'
Long:	-123 23'
Elev:	1120
ID:	043761
Minimum	31.2	32.9	34.5	36.5	41.3	47.3	51.5	51.1	45.5	39.3	35.7	31.3	39.8
Maximum	50.2	54.9	61.2	67.8	76.2	84.1	92.4	92.4	86	73.5	57	49.1	70.4
Mean	40.7	43.9	47.9	52.2	58.8	65.7	72	71.8	65.8	56.4	46.4	40.2	55.2
Precip.	9.16	8.28	6.9	3.04	1.55	0.66	0.31	0.54	1.24	3.11	7.86	8.79	51.44
HDD	754	590	532	391	222	71	14	8	67	277	559	770	4255
CDD	0	0	0	4	28	92	230	217	90	10	0	0	671

Location:

HAYFORK 2 W

Location:

HEALDSBURG

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	HEALDSBURG
State:	CA
Lat:	38 37'
Long:	-122 52'
Elev:	108
ID:	043875
Minimum	39.3	42.1	43.8	45.9	49.7	53.2	54.3	54	53	48.8	43.2	38.6	47.2
Maximum	57.3	62.2	65.9	72.5	79.8	86.6	90.1	88.4	84.1	76.4	64.1	57.3	73.7
Mean	48.3	52.2	54.9	59.2	64.8	69.9	72.2	71.2	68.6	62.6	53.7	48	60.5
Precip.	8.65	8.08	6.54	2.24	1.06	0.17	0.07	0.13	0.55	2.12	6.04	6.5	42.15
HDD	517	359	318	193	87	16	0	2	27	110	342	530	2501
CDD	0	0	4	18	79	163	224	194	134	35	2	0	853

Location:

HEALDSBURG NO 2

Location:

KLAMATH

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	KLAMATH
State:	CA
Lat:	41 31'
Long:	-124 02'
Elev:	25
ID:	044577
Minimum	37.7	39.5	40.2	41.9	45.4	48.9	51.5	51.7	49	44.8	40.9	37.3	44.1
Maximum	55.1	56.3	57.2	59	61.9	64.8	66.7	66.7	67.1	64.2	58.1	54.8	61
Mean	46.4	47.9	48.7	50.5	53.7	56.9	59.1	59.2	58.1	54.5	49.5	46.1	52.6
Precip.	12.24	11.2	10.99	5.89	3.7	1.7	0.37	0.75	1.99	5.25	11.65	13.4	79.13
HDD	576	479	466	438	352	245	184	181	213	326	465	589	4514
CDD	0	0	0	0	0	0	0	1	4	0	0	0	5

Location:

LAVA BEDS NAT MONUMENT

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	LAVA BEDS NAT MONUMENT
State:	CA
Lat:	41 44'
Long:	-121 30'
Elev:	4770
ID:	044838
Minimum	22.4	25.2	27.9	31.8	38	44.5	51	50.6	44.4	36.5	27.8	22.5	35.2
Maximum	41.6	45.4	50.1	57.3	66.4	75.8	84.8	85	77.2	65.9	49.5	41.6	61.7
Mean	32	35.3	39	44.6	52.2	60.2	67.9	67.8	60.8	51.2	38.7	32.1	48.5
Precip.	1.75	1.81	2.02	1.12	1.25	0.94	0.62	0.51	0.6	1.14	1.39	1.66	14.81
HDD	1023	832	806	614	404	188	47	53	180	436	790	1022	6395
CDD	0	0	0	0	8	42	136	139	54	8	0	0	387

Location:

MAD RIVER RANGER STN

Location:

MOUNT HEBRON RNG STN

Location:

OCCIDENTAL

Location:

ORICK PRAIRIE CREEK PAR

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	ORICK PRAIRIE CREEK PAR
State:	CA
Lat:	41 22'
Long:	-124 01'
Elev:	160
ID:	046498
Minimum	35.4	37.1	37.6	38.4	41.5	45.2	48	48.4	45.7	41.8	38.9	35.9	41.2
Maximum	52.4	55.2	56.9	58.9	62.5	65.9	68.6	69.6	70.6	65.6	56.6	51.4	61.2
Mean	43.9	46.2	47.3	48.7	52	55.6	58.3	59	58.2	53.7	47.8	43.7	51.2
Precip.	9.75	9.72	9.24	5.28	3.18	1.3	0.31	0.52	1.58	4.33	9.9	10.92	66.03
HDD	654	528	512	491	403	284	207	186	209	350	519	662	5005
CDD	0	0	0	0	0	0	0	0	3	0	0	0	3

Location:

ORLEANS

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	ORLEANS
State:	CA
Lat:	41 18'
Long:	-123 32'
Elev:	400
ID:	046508
Minimum	35.7	38	40	41.8	45.9	50.5	54.2	53.5	49.7	44.5	40.5	35.6	44.2
Maximum	52.4	57.6	63.8	70.6	77.3	84.8	92.1	92	87.6	74.2	57.5	50.9	71.7
Mean	44.1	47.8	51.9	56.2	61.6	67.7	73.2	72.8	68.7	59.4	49	43.3	58
Precip.	8.77	7.98	7.12	3.36	2.09	0.75	0.18	0.47	1.23	3.68	8.08	9.07	52.78
HDD	650	483	407	272	147	39	6	2	31	198	480	674	3389
CDD	0	0	1	8	41	118	259	241	140	23	0	0	831

Location:

POINT ARENA

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	POINT ARENA
State:	CA
Lat:	38 54'
Long:	-123 42'
Elev:	100
ID:	047009
Minimum	38.7	40.5	41.4	42.3	45.5	47.9	49.4	50.3	49.1	44.8	40.8	38.2	44.1
Maximum	56.7	57.6	58.7	60	61.7	64.2	66.2	67.4	67.9	65.8	60.6	57.1	62
Mean	47.7	49.1	50.1	51.2	53.6	56.1	57.8	58.9	58.5	55.3	50.7	47.7	53.1
Precip.	7.99	6.89	6.42	3.01	1.07	0.26	0.14	0.34	0.74	2.36	5.8	6.83	41.85
HDD	536	446	432	416	354	268	224	193	197	300	428	538	4332
CDD	0	0	0	0	0	0	0	2	2	0	0	0	4

Location:

POTTER VALLEY P H

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	POTTER VALLEY P H
State:	CA
Lat:	39 22'
Long:	-123 08'
Elev:	1015
ID:	047109
Minimum	34.1	36.7	38.5	40.1	44.1	49.2	53	51.7	48.1	42.5	37.1	33.1	42.4
Maximum	56.5	59.7	63.1	68.9	76.3	84.6	92.2	91.3	87	76.8	62.1	55.8	72.9
Mean	45.3	48.2	50.8	54.5	60.2	66.9	72.6	71.5	67.6	59.7	49.6	44.5	57.6
Precip.	8.83	7.87	6.88	2.8	1.63	0.36	0.08	0.18	0.89	2.6	6.33	6.87	45.32
HDD	612	471	441	319	184	53	8	4	44	193	463	637	3429
CDD	0	0	0	3	36	111	242	205	121	27	0	0	745

Location:

RICHARDSON GR ST PK

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	RICHARDSON GR ST PK
State:	CA
Lat:	40 02'
Long:	-123 48'
Elev:	500
ID:	047404
Minimum	38.2	39	40.1	41.4	45.9	50.4	53.8	53.8	50.4	45.8	41.6	38.1	44.9
Maximum	50	54.3	59.2	64.7	71.1	78.2	85.5	86.5	82.8	70.3	55.4	49.1	67.3
Mean	44.1	46.7	49.7	53.1	58.5	64.3	69.7	70.2	66.6	58.1	48.5	43.6	56.1
Precip.	12.9	11.38	10.3	4.46	2.05	0.65	0.09	0.37	1.31	3.93	9.78	11.18	68.4
HDD	649	513	477	359	216	73	18	5	47	228	495	663	3743
CDD	0	0	0	0	13	52	163	164	95	13	0	0	500

Location:

SANTA ROSA

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	SANTA ROSA
State:	CA
Lat:	38 27'
Long:	-122 43'
Elev:	167
ID:	047965
Minimum	39.5	42.5	44.2	45.6	48.7	52.1	53	53.2	52.5	48.7	43	38.8	46.8
Maximum	57.8	62	64.8	69.6	74.2	79.9	82.2	82.3	81.8	76.9	65.3	58.1	71.2
Mean	48.7	52.3	54.5	57.6	61.5	66	67.6	67.8	67.2	62.8	54.2	48.5	59.1
Precip.	6.25	6.08	4.71	1.67	0.83	0.19	0.06	0.11	0.49	1.81	4.31	4.5	31.01
HDD	507	356	328	227	144	65	29	36	52	109	328	513	2694
CDD	0	0	2	5	35	94	110	121	116	41	2	0	526

Location:

SAWYERS BAR RS

Location:

SCOTIA

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	SCOTIA
State:	CA
Lat:	40 29'
Long:	-124 06'
Elev:	133
ID:	048045
Minimum	40	41.2	41.8	43.5	46.6	49.8	52	52.4	49.9	46.3	42.5	39.1	45.4
Maximum	56.8	58.3	59.4	61.9	64.2	67	69.8	71.1	71.8	68.2	60.6	56.3	63.8
Mean	48.4	49.8	50.6	52.7	55.4	58.4	60.9	61.8	60.9	57.3	51.6	47.7	54.6
Precip.	8.45	7.7	7.4	3.38	1.73	0.55	0.11	0.34	0.82	2.81	6.87	8.31	48.47
HDD	514	428	412	368	299	200	134	114	139	246	403	536	3793
CDD	0	0	0	0	2	3	7	14	16	5	0	0	47

Location:

SHELTER COVE AV

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	SHELTER COVE AV
State:	CA
Lat:	40 02'
Long:	-124 04'
Elev:	246
ID:	048163
Minimum	45.1	45.6	45.7	46.1	48.2	50	51.2	52	52.1	51.3	48.3	45.7	48.4
Maximum	57.4	58.2	59.4	61.6	66	68.9	69.4	69.5	70.1	67.2	61.4	57.7	63.9
Mean	51.3	51.9	52.6	53.9	57.1	59.5	60.3	60.8	61.1	59.3	54.9	51.7	56.2
Precip.	10.29	9.35	8.78	4.16	2.62	1	0.18	0.6	1.39	4.14	8.55	10.41	61.47
HDD	427	366	355	334	248	174	155	152	152	186	305	412	3266
CDD	0	0	0	0	3	9	16	21	35	8	0	0	92

Location:

STANDISH HICKEY ST PK

Location:

TRINITY RIVER HATCHERY

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	TRINITY RIVER HATCHERY
State:	CA
Lat:	40 44'
Long:	-122 48'
Elev:	1860
ID:	049026
Minimum	31.3	32.6	34.5	36.7	42.1	47.8	52.2	50.6	44.7	38.6	34.9	31.2	39.8
Maximum	47.2	53.3	58.6	65.6	74.8	83.9	91.9	91.3	84.9	73.2	54.6	46.7	68.8
Mean	39.3	43	46.6	51.2	58.5	65.9	72.1	71	64.8	55.9	44.8	39	54.3
Precip.	5.94	5.26	4.93	2.04	1.42	0.63	0.21	0.25	0.84	1.91	4.44	4.96	32.83
HDD	799	619	572	420	230	69	11	8	87	296	609	807	4527
CDD	0	0	0	5	25	94	229	193	82	13	0	0	641

Location:

TULELAKE

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	TULELAKE
State:	CA
Lat:	41 57'
Long:	-121 28'
Elev:	4035
ID:	049053
Minimum	19.5	23	25.8	29.5	36.4	42.5	45.8	43.3	36.8	29.6	24.3	19.2	31.3
Maximum	39.1	45.3	51.9	59.4	67.7	75.8	83.5	83.1	76.2	64.7	47	38.7	61
Mean	29.3	34.2	38.9	44.5	52.1	59.2	64.7	63.2	56.5	47.2	35.7	29	46.2
Precip.	1.35	1.18	1.26	0.9	0.97	0.79	0.35	0.53	0.6	0.87	1.27	1.28	11.35
HDD	1108	864	810	618	405	198	85	99	265	554	880	1117	7003
CDD	0	0	0	0	4	23	74	43	10	0	0	0	154

Location:

UKIAH

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	UKIAH
State:	CA
Lat:	39 09'
Long:	-123 13'
Elev:	633
ID:	049122
Minimum	37	39.5	40.8	42.6	47	51.9	55.3	54.7	51.7	46.1	40.4	36.2	45.3
Maximum	56.2	59.7	63.6	69.2	75.8	83.4	90.6	90.2	86.1	76.3	61.8	55.6	72.4
Mean	46.6	49.6	52.2	55.9	61.4	67.7	73	72.5	68.9	61.2	51.1	45.9	58.8
Precip.	7.96	7.05	5.92	2.19	1.2	0.28	0.05	0.14	0.67	2.07	5.4	5.97	38.9
HDD	571	431	398	282	157	41	7	1	24	159	419	593	3083
CDD	0	0	1	10	45	120	253	232	140	41	1	0	843

Location:

UKIAH 4 WSW

Location:

WARM SPRINGS DAM

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	WARM SPRINGS DAM
State:	CA
Lat:	38 43'
Long:	-123 00'
Elev:	224
ID:	049440
Minimum	35.7	38.6	40.3	42.9	47.1	50.7	51.3	50.4	49.2	45.3	39.5	35.1	43.8
Maximum	57	61.4	65	70.4	77.4	84.5	89.3	89	85.3	77.8	65.1	57.3	73.3
Mean	46.4	50	52.7	56.7	62.3	67.6	70.3	69.7	67.3	61.6	52.3	46.2	58.6
Precip.	9.02	8.25	6.91	2.43	1.03	0.18	0.05	0.13	0.6	2.21	5.7	6.88	43.39
HDD	578	421	387	262	135	32	3	8	34	136	382	584	2962
CDD	0	0	2	11	49	111	166	154	100	29	2	0	624

Location:

WEAVERVILLE

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	WEAVERVILLE
State:	CA
Lat:	40 44'
Long:	-122 56'
Elev:	2040
ID:	049490
Minimum	27.7	29.2	31.5	33.4	39.7	45.6	49.9	48.4	42.4	35.5	32.6	27.6	37
Maximum	49	54.6	59.8	67.4	76.9	85.8	94.2	94.3	87.8	75.4	55.8	47	70.7
Mean	38.4	41.9	45.7	50.4	58.3	65.7	72.1	71.4	65.1	55.5	44.2	37.3	53.8
Precip.	7.08	6.05	5.49	2.25	1.31	0.58	0.23	0.27	1.05	2.34	5.47	6.29	38.41
HDD	826	648	599	441	233	79	17	10	79	307	623	859	4721
CDD	0	0	0	3	25	100	235	207	82	12	0	0	664

Location:

WEED FIRE DEPT

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	WEED FIRE DEPT
State:	CA
Lat:	41 26'
Long:	-122 23'
Elev:	3589
ID:	049499
Minimum	23.8	27.6	29.6	33.2	37.9	44.1	48.8	47.8	41	34.4	28.9	24.5	35.1
Maximum	43.8	49	53.9	59.9	68.2	76.6	84.7	84.9	77.7	66	50.5	43.5	63.2
Mean	33.8	38.3	41.8	46.6	53.1	60.4	66.8	66.4	59.4	50.2	39.7	34	49.2
Precip.	3.68	3.3	3.54	1.88	1.36	0.82	0.32	0.42	0.49	1.36	3.11	3.36	23.64
HDD	967	748	721	553	374	170	53	58	197	462	759	961	6023
CDD	0	0	0	0	3	30	108	100	27	3	0	0	271

Location:

WILLITS 1 NE

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	WILLITS 1 NE
State:	CA
Lat:	39 25'
Long:	-123 21'
Elev:	1350
ID:	049684
Minimum	32.1	34.6	35.9	36.8	40.2	44.3	47.4	46.1	42.5	37.9	34.5	31.2	38.6
Maximum	54.7	57.7	60.1	64.3	70.7	77.8	84.5	84.6	81.9	74	60.4	54.7	68.8
Mean	43.4	46.2	48	50.6	55.5	61.1	66	65.4	62.2	56	47.5	43	53.7
Precip.	9.91	8.78	7.4	3.08	1.61	0.32	0.1	0.21	0.87	2.77	6.89	7.83	49.77
HDD	669	529	527	434	301	139	56	44	109	285	525	684	4302
CDD	0	0	0	0	6	20	84	54	26	3	0	0	193

Location:

WILLOW CREEK 1 NW

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	WILLOW CREEK 1 NW
State:	CA
Lat:	40 57'
Long:	-123 38'
Elev:	461
ID:	049694
Minimum	34.5	36.8	38.4	40.4	44.5	49.3	53.5	52.4	47.9	43	39.7	35.4	43
Maximum	52.2	57.1	62.7	69.9	78	86.9	94.7	94.4	87.6	74.4	58.3	50.6	72.2
Mean	43.4	47	50.6	55.2	61.3	68.1	74.1	73.4	67.8	58.7	49	43	57.6
Precip.	9.33	8.83	7.84	3.43	2.04	0.64	0.15	0.42	1.14	3.19	8.1	9.38	54.49
HDD	671	506	450	304	154	49	9	2	36	222	480	683	3566
CDD	0	0	2	9	37	142	291	262	118	26	0	0	887

Location:

YREKA SISKIYOU CO

Normal	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Location:	YREKA SISKIYOU CO
State:	CA
Lat:	41 42'
Long:	-122 38'
Elev:	2625
ID:	049866
Minimum	23.1	26	29.2	33.5	39.4	46	51.1	50.1	43.6	35.1	28.3	23.5	35.7
Maximum	45.1	51.3	56.9	63.5	72.6	81.5	90.5	90.2	82.3	69.9	52.5	44.5	66.7
Mean	34.1	38.7	43.1	48.5	56	63.8	70.8	70.2	63	52.5	40.4	34	51.3
Precip.	3.19	2.27	2.04	1.2	1.15	0.95	0.49	0.54	0.75	1.11	2.8	3.17	19.66
HDD	959	739	681	496	293	114	25	22	129	393	737	962	5550
CDD	0	0	0	2	14	76	204	181	68	5	0	0	550