California State Climatologist


	California Home Governor Home Amber Alert

Welcome to California - images of Golden Gate Bridge, ocean sunset, waterfall, flowers, and city skyline

DWR Home

California State Climatologist Home

Climate Change

Documents

Climate Data and Information

Related Links

California State Climatologist
Department of Water Resources

3310 El Camino Avenue, Suite 200
Sacramento, CA 95821

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


DWR My CA

San Joaquin Hydrologic Region

Region Avg	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Avg Temp	44.3	48.5	51.8	56.6	63.7	70.9	76.3	75.4	70.7	62.1	50.8	44.1	59.6
Std Dev T	2.5	2.1	2.8	3.1	3.1	2.3	2.0	1.8	2.4	2.7	2.6	2.6	0.9
Avg Precip	3.90	3.68	3.57	1.47	0.77	0.27	0.90	0.90	0.50	1.12	2.27	2.57	20.30
Std Dev P	2.83	2.63	2.59	1.08	0.82	0.31	0.17	0.17	0.70	0.89	1.80	1.80	7.46

Location: ANTIOCH PUMP PLANT #3

Location: ANTIOCH PUMP PLANT #3

State: CA

Lat: 37 59'

Long: -121 45'

Elev: 60

ID: 040232

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 37.8 41.3 44.3 47.2 51.9 56.5 58.1 57.6 56 51.1 43.6 37.1 48.5

Maximum 53.5 59.9 64.6 71.1 78.5 85.6 90.7 89.8 85.9 77.5 63.9 54.3 72.9

Mean 45.7 50.6 54.5 59.2 65.2 71.1 74.4 73.7 71 64.3 53.8 45.7 60.8

Precip. 2.72 2.51 2.16 0.73 0.47 0.09 0.03 0.03 0.24 0.76 1.7 1.89 13.33

HDD 600 404 332 206 99 18 4 1 10 99 344 597 2714

CDD 0 0 4 30 106 200 296 270 190 77 6 0 1179

Location: AUBERRY 2 NW

Location: AUBERRY 2 NW

State: CA

Lat: 37 06'

Long: -119 31'

Elev: 2090

ID: 040379

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 36.8 39.3 41.3 45.2 51.9 60 67.1 66.3 61.5 52.6 41.8 36.6 50

Maximum 56.7 59.8 62.7 69.9 79.5 89.4 95.9 94.8 88.7 77.9 63.7 56.7 74.6

Mean 46.8 49.6 52 57.6 65.7 74.7 81.5 80.6 75.1 65.3 52.8 46.7 62.4

Precip. 5.32 4.75 4.83 1.86 0.84 0.31 0.08 0.05 0.52 1.43 2.73 3.41 26.13

HDD 566 434 409 259 123 12 0 0 13 109 375 568 2868

CDD 0 0 5 35 145 304 511 482 316 117 7 0 1922

Location: CALAVERAS BIG TREES

Location: CALAVERAS BIG TREES

State: CA

Lat: 38 17'

Long: -120 19'

Elev: 4694

ID: 041277

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 28 28.5 30.1 33.3 39.5 46.6 52.1 51.7 47.3 40.2 32.1 28.2 38.1

Maximum 44.3 45.9 48.7 55.3 64.1 74.1 81.2 80.8 74 63.7 50.5 44.7 60.6

Mean 36.2 37.2 39.4 44.3 51.8 60.4 66.7 66.3 60.7 52 41.3 36.5 49.4

Precip. 10.77 9.94 9.02 4.14 2.18 0.74 0.28 0.22 1.07 3.14 6.47 7.45 55.42

HDD 893 780 731 622 423 176 55 53 178 417 711 885 5924

CDD 0 0 0 0 14 37 105 93 47 12 0 0 308

Location: CAMP PARDEE

Location: CAMP PARDEE

State: CA

Lat: 38 15'

Long: -120 52'

Elev: 658

ID: 041428

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 37.8 41 43.3 45.8 50.8 56.5 61.2 60.9 58.2 52.3 44.2 38 49.2

Maximum 53.8 59.6 63.6 70.6 79.6 88.7 94.7 93.6 88.4 78.1 63.2 54.3 74

Mean 45.8 50.3 53.5 58.2 65.2 72.6 78 77.3 73.3 65.2 53.7 46.2 61.6

Precip. 4.19 3.87 3.98 1.77 0.97 0.27 0.1 0.1 0.52 1.34 2.87 3.01 22.99

HDD 595 412 363 227 107 14 0 0 8 102 346 584 2758

CDD 0 0 5 22 114 242 402 378 256 108 7 0 1534

Location: CHERRY VALLEY DAM

Location: CHERRY VALLEY DAM

State: CA

Lat: 37 58'

Long: -119 55'

Elev: 4765

ID: 041697

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 29.8 29.8 31.5 35.6 42.7 49.9 55.9 55.6 50.5 42.7 34.3 30.3 40.7

Maximum 48.5 50.7 53.7 60.4 68.8 78.6 86.5 86.2 78.9 68.2 54.9 48.8 65.4

Mean 39.2 40.3 42.6 48 55.8 64.3 71.2 70.9 64.7 55.5 44.6 39.6 53.1

Precip. 9.44 8.4 7.38 3.41 1.75 0.79 0.18 0.21 1.08 2.72 5.89 6.21 47.46

HDD 802 694 641 515 319 104 13 16 112 324 612 790 4942

CDD 0 0 0 6 32 81 205 199 104 28 1 0 656

Location: COARSEGOLD 1 SW

Location: COARSEGOLD 1 SW

State: CA

Lat: 37 15'

Long: -119 42'

Elev: 2230

ID: 041878

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 5.3 5.09 5.03 1.81 0.75 0.23 0.07 0.06 0.34 1.29 3.19 3.5 26.66

Location: ELECTRA P H

Location: ELECTRA P H

State: CA

Lat: 38 20'

Long: -120 40'

Elev: 715

ID: 042728

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 34.3 36.9 39.4 41.8 47 51.7 56 54.7 51.9 46 39.2 34 44.4

Maximum 58.3 62.7 65.9 72.3 81.1 90.2 96.6 95.5 90.5 80.6 66.1 58.3 76.5

Mean 46.3 49.8 52.7 57.1 64.1 71 76.3 75.1 71.2 63.3 52.7 46.2 60.5

Precip. 5.85 5.33 5.41 2.33 0.94 0.35 0.16 0.13 0.63 1.72 3.89 4.2 30.94

HDD 579 427 384 250 112 16 0 0 14 114 372 586 2854

CDD 0 0 1 12 82 195 350 314 201 62 1 0 1218

Location: ELLIOTT

Location: ELLIOTT

State: CA

Lat: 38 14'

Long: -121 12'

Elev: 92

ID: 042760

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 3.81 3.54 3.32 1.54 0.54 0.17 0.07 0.06 0.35 0.98 2.55 2.6 19.53

Location: EXCHEQUER DAM

Location: EXCHEQUER DAM

State: CA

Lat: 37 35'

Long: -120 16'

Elev: 442

ID: 042920

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 3.76 3.66 3.61 1.53 0.52 0.2 0.05 0.06 0.35 1.12 2.26 2.63 19.75

Location: FIDDLETOWN DEXTER RANCH

Location: FIDDLETOWN DEXTER RANCH

State: CA

Lat: 38 31'

Long: -120 42'

Elev: 2160

ID: 043038

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 6.78 6.33 6.19 2.76 1.6 0.48 0.17 0.15 0.79 2.08 4.61 5.08 37.02

Location: FRIANT GOVERNMENT CAMP

Location: FRIANT GOVERNMENT CAMP

State: CA

Lat: 37 00'

Long: -119 43'

Elev: 410

ID: 043261

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 38.1 41.3 43 44.1 49.4 55.6 60.7 59.9 56.7 49.8 41.4 36.5 48

Maximum 54.7 61 65.4 73.3 83.5 92.4 98.6 97.4 91.2 80.7 65.1 55.4 76.6

Mean 46.4 51.2 54.2 58.7 66.5 74 79.7 78.7 74 65.3 53.3 46 62.3

Precip. 2.78 2.73 2.86 1.04 0.42 0.21 0.02 0.02 0.27 0.84 1.6 1.92 14.71

HDD 576 388 342 219 84 6 0 0 10 97 359 591 2672

CDD 0 0 6 30 129 277 454 424 278 104 6 0 1708

Location: GROVELAND R S

Location: GROVELAND R S

State: CA

Lat: 37 49'

Long: -120 06'

Elev: 3144

ID: 043672

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 7.21 7.16 6.3 2.84 1.09 0.4 0.12 0.09 0.67 1.76 4.33 5.2 37.17

Location: HETCH HETCHY

Location: HETCH HETCHY

State: CA

Lat: 37 58'

Long: -119 47'

Elev: 3870

ID: 043939

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 30.3 31.4 33.7 37.8 44 50.6 56.2 56 51.2 43.1 34.6 30.2 41.6

Maximum 48 52.5 56.1 62.1 69.2 77.8 84.6 84.7 79.3 70.2 55.9 47.9 65.7

Mean 39.2 42 44.9 50 56.6 64.2 70.4 70.4 65.3 56.7 45.3 39.1 53.7

Precip. 6.38 6.1 5.82 2.99 1.77 0.82 0.28 0.21 0.95 2.2 4.44 4.63 36.59

HDD 802 646 623 458 292 100 20 20 91 290 593 805 4740

CDD 0 0 0 7 31 75 188 186 100 31 1 0 619

Location: HUNTINGTON LAKE

Location: HUNTINGTON LAKE

State: CA

Lat: 37 14'

Long: -119 13'

Elev: 7020

ID: 044176

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 26 25.3 26.3 29.3 35.1 41.8 47.8 47.9 43.6 37 30.2 26.6 34.7

Maximum 45.9 46.1 47.1 51.2 57.3 66.3 73.6 73.3 67.4 58.9 50.2 45.8 56.9

Mean 36 35.7 36.7 40.3 46.2 54.1 60.7 60.6 55.5 48 40.2 36.2 45.9

Precip. 8.51 8.29 7.54 3.37 1.87 0.68 0.37 0.22 1.24 2.44 4.91 5.81 45.25

HDD 900 820 803 742 584 339 165 168 302 531 745 893 6992

CDD 0 0 0 0 0 10 32 31 17 3 0 0 93

Location: LODI

Location: LODI

State: CA

Lat: 38 06'

Long: -121 17'

Elev: 40

ID: 045032

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 37.5 40.3 42.5 45.2 49.7 53.9 56.5 55.9 53.4 47.6 40.7 36 46.6

Maximum 54.7 61.9 66.9 73.7 80.7 87.3 91.1 90 87.2 78.7 64.1 54.9 74.3

Mean 46.1 51.1 54.7 59.5 65.2 70.6 73.8 73 70.3 63.2 52.4 45.5 60.5

Precip. 3.56 3.29 2.99 1.16 0.61 0.13 0.06 0.08 0.34 1.05 2.35 2.6 18.22

HDD 587 388 323 185 92 16 2 2 21 109 379 606 2710

CDD 0 0 4 18 99 184 274 248 179 50 1 0 1057

Location: LOS BANOS

Location: LOS BANOS

State: CA

Lat: 37 03'

Long: -120 52'

Elev: 120

ID: 045118

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 36.8 40.5 43.9 47 52.7 57.7 61.5 60.6 57.3 50.6 41.4 35.4 48.8

Maximum 54.9 62.4 67.5 74.1 81.6 89 94.6 93.5 88.8 79.6 65.3 55.1 75.5

Mean 45.9 51.5 55.7 60.6 67.2 73.4 78.1 77.1 73.1 65.1 53.4 45.3 62.2

Precip. 1.93 1.97 1.65 0.63 0.44 0.07 0.04 0.05 0.28 0.56 1.11 1.22 9.95

HDD 594 380 298 174 64 6 0 0 4 84 354 612 2570

CDD 0 0 9 40 130 255 404 373 246 87 3 0 1547

Location: LOS BANOS ARBURUA RANCH

Location: LOS BANOS ARBURUA RANCH

State: CA

Lat: 36 53'

Long: -120 57'

Elev: 860

ID: 045119

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 1.75 1.8 1.49 0.49 0.37 0.06 0.05 0.07 0.35 0.46 1.02 1.04 8.95

Location: LOS BANOS DET RESV

Location: LOS BANOS DET RESV

State: CA

Lat: 36 59'

Long: -120 56'

Elev: 407

ID: 045120

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 38.7 42.7 45.9 49.2 54.5 60.1 63.8 63.1 60.5 54.3 45.3 38.3 51.4

Maximum 53.7 60.5 65.4 72.3 79.9 88 94.2 93.1 87.8 78.3 64.2 54.5 74.3

Mean 46.2 51.6 55.7 60.8 67.2 74.1 79 78.1 74.2 66.3 54.8 46.4 62.9

Precip. 1.67 1.69 1.4 0.46 0.32 0.05 0.03 0.03 0.28 0.44 0.94 1.08 8.39

HDD 582 376 299 173 85 12 0 0 3 69 314 577 2490

CDD 0 0 9 46 153 282 435 407 278 110 6 0 1726

Location: MADERA

Location: MADERA

State: CA

Lat: 36 57'

Long: -120 02'

Elev: 270

ID: 045233

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 37.2 40 43.7 46.6 52.5 58.5 62.7 61.8 57 48.5 39.9 35.1 48.6

Maximum 54.1 61.5 66.8 74.3 83.1 91 96.5 95.3 89.8 79.9 64.9 54.3 76

Mean 45.7 50.8 55.3 60.5 67.8 74.8 79.6 78.6 73.4 64.2 52.4 44.7 62.3

Precip. 2.19 2.22 2.29 1 0.43 0.11 0.01 0.02 0.23 0.74 1.24 1.46 11.94

HDD 599 399 309 175 61 4 0 0 6 107 380 630 2670

CDD 0 0 7 38 148 296 454 419 259 83 2 0 1706

Location: MARIPOSA R S

Location: MARIPOSA R S

State: CA

Lat: 37 30'

Long: -119 59'

Elev: 2100

ID: 045352

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 6.2 6.06 5.66 2.14 0.6 0.23 0.03 0 0.42 1.26 3.62 3.96 30.18

Location: MATHER

Location: MATHER

State: CA

Lat: 37 53'

Long: -119 51'

Elev: 4510

ID: 045400

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 6.35 5.95 5.74 2.86 1.58 0.6 0.19 0.12 0.79 1.99 3.96 4.58 34.71

Location: MERCED

Location: MERCED

State: CA

Lat: 37 17'

Long: -120 31'

Elev: 153

ID: 045532

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 37.5 39.9 42.3 44.6 50.6 56.3 60.6 59.7 55.8 48.2 40.7 35.8 47.7

Maximum 55.1 62.5 67.6 75.3 83.7 91.5 96.5 95.1 90.5 81.1 65.5 55.1 76.6

Mean 46.3 51.2 55 60 67.2 73.9 78.6 77.4 73.2 64.7 53.1 45.5 62.2

Precip. 2.43 2.43 2.23 0.89 0.45 0.09 0.03 0.02 0.19 0.73 1.41 1.6 12.5

HDD 581 387 317 186 67 6 0 0 5 89 359 605 2602

CDD 0 0 6 34 133 273 420 385 249 77 1 0 1578

Location: MODESTO CITY-COUNTY AP

Location: MODESTO CITY-COUNTY AP

State: CA

Lat: 37 37'

Long: -120 57'

Elev: 73

ID: 045738

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 40.1 43.6 46.2 49.2 53.8 58.7 61.7 61.1 58.2 52.1 44.2 38.9 50.7

Maximum 54.3 62.2 67.5 74.1 81.5 88.7 93.6 92.3 87.9 78.4 64.1 54.3 74.9

Mean 47.2 52.9 56.9 61.7 67.7 73.7 77.7 76.7 73.1 65.3 54.2 46.6 62.8

Precip. 2.56 2.38 2.3 0.91 0.55 0.13 0.05 0.06 0.27 0.75 1.48 1.68 13.12

HDD 551 339 267 140 62 6 0 0 7 85 331 570 2358

CDD 0 0 16 41 145 266 393 362 248 93 6 0 1570

Location: NEWMAN

Location: NEWMAN

State: CA

Lat: 37 19'

Long: -121 01'

Elev: 90

ID: 046168

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 37 40 42.6 45.1 50.8 55.9 59.6 58.9 55.9 49.2 40.9 35.5 47.6

Maximum 54.2 61.8 67 74.5 82.7 90.5 94.6 92.6 88.6 79.8 65.1 55.1 75.5

Mean 45.6 50.9 54.8 59.8 66.8 73.2 77.1 75.8 72.3 64.5 53 45.3 61.6

Precip. 2.55 2.18 2 0.63 0.39 0.04 0.02 0.02 0.27 0.61 1.23 1.51 11.45

HDD 601 395 323 195 79 6 0 0 8 97 365 611 2680

CDD 0 0 7 39 133 251 376 333 225 81 4 0 1449

Location: NORTH FORK R S

Location: NORTH FORK R S

State: CA

Lat: 37 14'

Long: -119 30'

Elev: 2630

ID: 046252

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 6.78 6.42 6.17 2.41 1.31 0.47 0.1 0.08 0.74 1.66 3.6 4.35 34.09

Location: PACIFIC HOUSE

Location: PACIFIC HOUSE

State: CA

Lat: 38 45'

Long: -120 30'

Elev: 3440

ID: 046597

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 9.58 8.62 8.03 4.01 2.31 0.81 0.28 0.26 1.2 2.95 6.48 7.34 51.87

Location: PANOCHE 2 W

Location: PANOCHE 2 W

State: CA

Lat: 36 36'

Long: -120 53'

Elev: 1320

ID: 046675

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Precip. 2.04 2.28 1.86 0.61 0.33 0.08 0.02 0.05 0.39 0.5 0.97 1.43 10.56

Location: SALT SPRINGS PWR HOUSE

Location: SALT SPRINGS PWR HOUSE

State: CA

Lat: 38 30'

Long: -120 13'

Elev: 3700

ID: 047689

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 34.8 35 36.1 39.8 46.4 53.2 59.8 59.3 55.3 47.7 39.1 35 45.1

Maximum 53.1 56 59.2 64.9 72.7 81.3 88.3 88.3 82.7 72.9 59.4 52.9 69.3

Mean 44 45.5 47.7 52.4 59.6 67.3 74.1 73.8 69 60.3 49.3 44 57.3

Precip. 7.92 7.96 7.33 3.64 2.17 0.93 0.31 0.28 1.21 2.71 5.82 5.95 46.23

HDD 653 546 540 393 220 75 10 6 53 202 477 653 3828

CDD 0 0 1 14 51 142 291 279 175 57 5 0 1015

Location: SAN LUIS DAM

Location: SAN LUIS DAM

State: CA

Lat: 37 03'

Long: -121 03'

Elev: 277

ID: 047846

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 36.4 40.7 45.4 49.2 54.2 58.9 63.2 62.9 59.8 52.7 43.5 35.9 50.2

Maximum 54.1 60.5 65.3 71.6 78.4 85.6 91.2 90.5 86.6 78 64.3 54.8 73.4

Mean 45.3 50.6 55.4 60.4 66.3 72.3 77.2 76.7 73.2 65.4 53.9 45.4 61.8

Precip. 2.1 2.11 1.74 0.55 0.49 0.05 0.03 0.1 0.23 0.54 1.25 1.33 10.52

HDD 613 403 306 175 81 17 1 0 5 78 337 609 2625

CDD 0 0 6 37 121 234 379 364 251 89 5 0 1486

Location: SONORA RS

Location: SONORA RS

State: CA

Lat: 37 58'

Long: -120 23'

Elev: 1675

ID: 048353

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

Minimum 32 33.7 36.4 39.8 45.1 50.8 56.2 55 50.2 42.2 35.2 31.1 42.3

Maximum 55.6 59.2 61.9 68 76.8 86.8 94.1 93.5 87.8 77.7 63 56.1 73.4

Mean 43.8 46.5 49.2 53.9 61 68.8 75.2 74.3 69 60 49.1 43.6 57.9

Precip. 6.39 5.76 5.65 2.49 1.22 0.26 0.07 0.14 0.57 1.84 3.83 4.26 32.48

HDD 656 519 492 345 184 31 4 3 48 195 477 664 3618

CDD 0 0 0 12 58 146 318 290 167 39 0 0 1030