California Climate Data

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Below is a collection of California Climate Data and outdoor design conditions. We included an California state average of each category at the bottom of the Manual J climate data table. We created this to allow an easy to use free resource for Manual J professionals to use on jobsites, in the field, and while calculating Manual J heat loss and heat gain reports. If you have a custom set of data from California we would consider adding to the California Climate Data table simply email it to plans@manualjs.com

We can also create a Manual J using climate data from the tables below. Email pdf plans, jobsite address, and square footage to plans@manualjs.com and we will get your California Manual J taken care of.

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California	Elevation in Feet	Latitude North Degrees	Heating 99% Outdoor Dry Bulb	Cooling Outdoor Air 1% Dry Bulb	Cooling Outdoor Air Coincident Wet Bulb	Cooling Design Grains 55% Relative Humidity Indoors	Cooling Design Grains 45% Relative Humidity Indoors	Cooling Design Grains 45% Relative Humidity Indoors	Daily Rating	Heating Design Days 65 degrees/Colling Design Days 50 degrees Ratio
Alameda Naval Auxilary Air Station	13	38	42	79	64	-9	-2	4	L	0.6
Arcata airport	210	41	33	68	59	-10	-4	3	L	3.9
Bakersfield, Meadows Field	492	35	35	101	70	-9	-2	5	H	0.36
Barstow	1927	34	32	105	67	-31	-24	-17	H	0.37
Beale Air Force Base, Marysville	125	39	35	98	69	-10	-3	3	H	0.49
Bishop airport	4144	37	19	99	63	-42	-35	-27	H	1.16
Blue Canyon airport	5282	39	24	81	58	-36	-28	-20	L	2.28
Blythe, Riverside Co. airport	394	34	39	110	72	-14	-7	0	H	0.12
Burbank-Glendale-Passadena airport	732	34	42	95	68	-9	-2	5	M	0.23
Camarillo Automated Weather Observation System	75	34	39	82	64	-11	-5	2	M	0.46
Camp Pendleton MACS	79	33	36	88	66	-10	-3	3	M	0.37
Carlsbad, McClennan Palomar airport	328	33	45	79	64	-5	2	8	L	0.42
Castle Air Force Base, Merced	197	37	33	97	69	-8	-2	5	H	0.55
Chico	238	39	30	101	68	-21	-15	-8	H	0.66
Concord (Antioc DD)	23	38	27	97	68	-15	-9	-2	H	0.61
Covina (Pomona DD)	575	34	35	95	68	-11	-5	2	H	0.35
Crescent City	56	42	37	66	59	-9	-2	5	L	3.63
Daggett Barstow-Daggett airport	1929	35	32	106	69	-24	-16	-9	H	0.29
Downey (LAX DD)	110	34	40	89	70	8	15	22	M	0.27
Edwards Air Force Base	2316	35	26	102	64	-42	-35	-28	H	0.54
El Cajon	387	32	44	80	69	18	25	31	H	0.29
El Centro airport	–30	32	38	110	74	-3	4	10	H	0.13
El Toro MCAS	384	34	43	89	68	-4	3	9	M	0.23
Escondido	660	33	41	85	68	5	12	18	H	0.27
Eureka	59	41	37	66	58	-10	-4	3	L	3.38
Fairfield,Travis Air Force Base	62	38	34	94	67	-15	-9	-2	H	0.62
Fresno, Yosemite international airport	328	37	34	101	70	-11	-4	3	H	0.41
Fullerton Municipal airport	95	34	43	90	68	-6	1	8	M	0.23
George Air Force Base	2874	35	31	98	65	-32	-24	-17	H	0.51
Hamiltion Air Force Base (San Rafael DD)	3	38	32	84	66	-5	2	9	H	0.73
Hayward Air Terminal	46	38	39	82	65	-8	-1	6	M	0.76
Imperial airport	-56	33	38	109	73	-5	1	8	H	0.11
Jack Northrop Field House	69	34	46	82	64	-10	-4	3	L	0.24
Laguna Beach (Newport Beach DD)	35	33	43	80	68	12	19	25	M	0.4
Lancaster, Gen. Wm. Fox Field	2339	35	25	100	65	-33	-26	-18	H	0.62
Lemoore, Reeves Naval Auxilary Air Station	233	36	33	100	71	-3	3	10	H	0.41
Hawthorne Municipal airport	69	34	46	82	64	-10	-4	3	L	0.24
Livermore	397	38	33	95	67	-15	-9	-2	H	0.74
Lompoc Automated Weather Observation System	89	35	35	77	61	-16	-9	-3	M	1
Long Beach, Daugherty Field	39	34	44	88	67	-4	3	9	M	0.22
Los Angeles CO (LAX DD)	270	34	40	89	70	9	15	22	M	0.27
Los Angeles international airport	325	34	47	80	65	-5	2	8	L	0.27
March Air Force Base ( Riverside DD)	1516	34	37	99	67	-20	-13	-6	H	0.34
Marysville, Beale Air Force Base	119	39	34	98	69	-11	-5	2	H	0.49
McClellan Air Force Base	82	39	34	99	69	-12	-5	2	H	0.47
Merced-Castle Air Force Base	188	37	32	97	69	-10	-3	3	H	0.53
Modesto City-County airport	98	38	34	98	69	-11	-4	2	H	0.5
Montague, Siskiyou Co. airport	2641	42	20	93	63	-33	-26	-19	H	2.16
Monterey Peninsula	164	37	39	73	59	-17	-11	-4	L	1.41
Mount Shasta	3537	41	21	88	62	-29	-22	-14	H	2.78
Mountain View, Moffett Field Naval Auxilary Air Station	33	37	39	84	65	-9	-3	4	M	0.55
Napa Co. airport	56	38	33	87	65	-12	-5	1	M	1.11
Needles airport	983	34	33	110	71	-18	-12	-5	H	0.14
Norton Air Force Base (San Bernardino DD)	1158	34	37	100	70	-11	-4	3	H	0.29
Oakland Metropolitan airport	89	38	40	78	64	-4	3	10	L	0.81
Oceanside	28	33	43	80	68	12	19	25	L	0.5
Ontario	997	34	39	98	70	-5	2	9	H	0.25
Oxnard	7	34	41	79	64	-6	0	7	M	0.49
Palmdale airport	2542	34	24	98	65	-30	-22	-15	H	0.51
Palm Springs international airport	476	34	45	109	72	-11	-4	2	H	0.09
Palm Springs,Thermal airport	-118	34	34	109	73	-10	-3	4	H	0.13
Pasadena	864	34	35	95	68	-11	-4	3	H	0.25
Paso Robles Municipal airport	817	36	29	99	67	-24	-18	-11	H	0.68
Petaluma	87	38	29	90	66	-14	-7	-1	H	0.79
Point Arena	62	39	40	60	52	-27	-21	-14	L	5.26
Point Arguello	112	35	48	68	58	-23	-17	-10	L	1.5
Point Mugu NB	13	34	41	79	64	-8	-2	5	L	0.5
Point Piedras	69	36	44	72	61	-12	-5	2	L	1.49
Pomona CO	934	34	30	99	69	-12	-5	2	H	0.34
Porterville Automated Weather Observation System	443	36	34	99	69	-11	-4	2	H	0.52
Red Bluff Municipal airport	354	40	33	101	68	-20	-14	-7	H	0.51
Redding Municipal airport	502	41	31	102	68	-23	-17	-10	H	0.53
Redlands	1571	34	33	99	69	-11	-4	3	H	0.35
Richmond	55	38	36	80	63	-12	-6	1	M	0.86
Riverside Municipal airport	840	34	37	97	69	-9	-2	5	H	0.3
Sacramento Executive airport	26	39	34	97	69	-11	-4	2	H	0.57
Sacramento, Mather airport/ Air Force Base	95	39	32	98	68	-17	-11	-4	H	0.61
Sacramento, McClellan Air Force Base	75	38	34	98	67	-22	-15	-9	H	0.61
Sacramento Metropolitan airport	33	39	34	98	70	-8	-1	5	H	0.5
Salinas Municipal airport	79	37	36	79	62	-16	-9	-3	M	0.91
San Bernadino, Norton Air Force Base	1156	34	36	101	70	-9	-3	4	H	0.27
San Diego, Lindbergh Field	30	33	47	81	68	8	14	21	L	0.22
San Diego Miramar Naval Auxilary Air Station	479	33	41	87	67	-3	3	10	M	0.29
San Diego, North Island Naval Auxilary Air Station	26	33	46	80	67	5	12	18	L	0.25
San Diego, Brown Field	522	33	43	84	65	-8	-1	6	M	0.37
San Diego, Montgomery Field	423	33	43	84	66	-6	1	7	L	0.31
San Fernando (Burbank DD)	977	34	39	91	68	-4	2	9	H	0.29
San Francisco international airport	20	38	41	78	62	-14	-7	-1	M	0.89
San Francisco CO	20	37	40	71	62	-3	4	10	L	1.79
San Jose international airport	49	37	38	89	66	-11	-4	2	M	0.48
San Luis Obispo Co. Regional	217	35	36	84	63	-18	-11	-4	M	0.61
Sandberg	4524	35	28	89	60	-38	-31	-23	M	1.08
Santa Ana airport	54	33	39	85	68	4	11	17	H	0.2
Santa Barbara Municipal airport	20	34	37	80	64	-7	0	6	M	0.62
Santa Cruz	125	37	38	71	61	-7	-1	6	H	0.93
Santa Maria Public airport	240	35	35	80	62	-17	-11	-4	M	0.92
Santa Monica CO	236	34	43	80	68	12	19	26	M	0.44
Santa Paula	245	34	35	86	67	-2	4	11	H	0.45
Santa Rosa Automated Weather Observation System	148	39	32	91	67	-13	-6	1	H	0.95
Stockton Metropolitan airport	26	38	33	98	69	-10	-3	3	H	0.53
Travis Air Force Base, Fairfelld	59	38	34	95	67	-18	-11	-5	H	0.58
Truckee-Tahoe	5899	39	7	86	57	-48	-39	-31	H	6.4
Tustin	56	34	41	90	69	3	9	16	M	0.19
Ukiah Municipal airport	627	39	32	97	68	-16	-9	-2	H	0.8
Victorville, George Air Force Base	2875	34	30	98	65	-29	-22	-15	H	0.6
Visalia Municipal airport Automated Weather Observation System	292	36	33	98	71	0	6	13	H	0.52
Yreka	2625	41	17	92	64	-25	-18	-11	H	2.17
Yuba City (Chico DD)	58	39	31	101	67	-27	-20	-13	H	0.66
California State Averages	669.2242990654	36	35.6574074074	90.1203703704	66.212962963	-12.1111111111	-5.3888888889	1.3703703704	M	0.7794444444

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California Climate Data

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California Climate Data

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