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.
| 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 |
Summary
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California Climate Data
DescriptionCalifornia Climate Data
Author Manualjs.com
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