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Sonoma County Growing Degree Days
View Daily Biomet Summary on Forecast (Current) 2026 GDD 2025 GDD 2024 GDD 2023 GDD 2022 GDD 2021 GDD 2020 GDD 2019 GDD 2018 GDD 2017 GDD 2016 GDD 2015 GDD 2014 GDD

2026 GDD Sonoma

4/1/2026 - 11/15/2026

Daily Data | America/Los_Angeles
as of 8/29/26 2:52 PM PDT
Date Occidental Rd (Sebastopol) Rockpile Upper (Cooley) Fulton-SW (Ranch 21) Geyserville (Ranch 3) Carneros Lower (Ranch 81) Kenwood (Wildwood) Jimtown-North (Piccolo Ranch 15) NW Santa Rosa (Piner Road) Windsor-NW (Ranch 8) Forestville-NE (Ranch 30) Cloverdale-SE (Ranch 38) Geyserville-East (Ranch 40) Cloverdale-East (Ranch 83) Whitton Ranch (201e)
8/28/26 1,691 2,073 1,779 2,399 2,316 1,983 2,214 1,736 2,051 1,880 2,324 2,091 2,474 2,247
8/27/26 1,682 2,056 1,769 2,384 2,302 1,970 2,200 1,726 2,039 1,869 2,306 2,076 2,456 2,235
8/26/26 1,664 2,034 1,750 2,356 2,282 1,947 2,176 1,708 2,017 1,849 2,278 2,050 2,428 2,211
8/25/26 1,648 2,014 1,734 2,333 2,264 1,927 2,155 1,691 1,997 1,831 2,254 2,028 2,404 2,188
8/24/26 1,635 1,994 1,719 2,314 2,245 1,909 2,137 1,677 1,980 1,815 2,234 2,010 2,384 2,170
8/23/26 1,621 1,974 1,705 2,296 2,231 1,893 2,121 1,663 1,965 1,801 2,217 1,995 2,366 2,153
8/22/26 1,605 1,949 1,687 2,273 2,214 1,873 2,100 1,646 1,944 1,782 2,191 1,971 2,340 2,131
8/21/26 1,590 1,932 1,673 2,251 2,197 1,856 2,081 1,632 1,926 1,766 2,168 1,950 2,319 2,111
8/20/26 1,577 1,915 1,658 2,234 2,181 1,840 2,064 1,618 1,911 1,751 2,150 1,935 2,300 2,095
8/19/26 1,566 1,897 1,647 2,218 2,166 1,827 2,050 1,606 1,898 1,739 2,136 1,923 2,283 2,080
8/18/26 1,554 1,871 1,634 2,199 2,153 1,811 2,032 1,593 1,882 1,724 2,118 1,907 2,263 2,062
8/17/26 1,540 1,846 1,620 2,180 2,139 1,794 2,013 1,580 1,866 1,709 2,099 1,891 2,242 2,043
8/16/26 1,529 1,826 1,608 2,162 2,125 1,779 1,997 1,568 1,852 1,695 2,082 1,876 2,223 2,027
8/15/26 1,516 1,805 1,594 2,143 2,111 1,762 1,979 1,554 1,836 1,680 2,064 1,861 2,203 2,009
8/14/26 1,503 1,793 1,582 2,128 2,097 1,749 1,964 1,542 1,823 1,668 2,050 1,848 2,187 1,994
8/13/26 1,492 1,784 1,570 2,113 2,084 1,737 1,950 1,530 1,809 1,656 2,037 1,837 2,172 1,980
8/12/26 1,480 1,776 1,558 2,100 2,072 1,725 1,938 1,519 1,797 1,645 2,026 1,827 2,159 1,967
8/11/26 1,470 1,760 1,547 2,085 2,059 1,712 1,924 1,508 1,785 1,633 2,012 1,815 2,143 1,952
8/10/26 1,458 1,741 1,536 2,069 2,047 1,698 1,909 1,496 1,772 1,620 1,998 1,803 2,126 1,937
8/9/26 1,447 1,719 1,524 2,053 2,035 1,683 1,893 1,485 1,759 1,608 1,981 1,789 2,108 1,922
8/8/26 1,434 1,689 1,510 2,032 2,019 1,664 1,874 1,471 1,743 1,592 1,960 1,772 2,086 1,903
8/7/26 1,422 1,657 1,497 2,013 2,006 1,647 1,856 1,459 1,728 1,578 1,941 1,757 2,065 1,885
8/6/26 1,409 1,629 1,484 1,993 1,991 1,630 1,838 1,446 1,713 1,564 1,922 1,741 2,044 1,866
8/5/26 1,397 1,607 1,472 1,975 1,975 1,613 1,821 1,434 1,699 1,550 1,905 1,726 2,025 1,849
8/4/26 1,383 1,590 1,458 1,957 1,959 1,597 1,804 1,420 1,683 1,535 1,888 1,711 2,006 1,831
8/3/26 1,370 1,564 1,443 1,936 1,942 1,578 1,785 1,406 1,667 1,519 1,867 1,693 1,984 1,811
8/2/26 1,352 1,532 1,424 1,908 1,922 1,554 1,760 1,387 1,643 1,498 1,836 1,665 1,953 1,787
8/1/26 1,333 1,509 1,403 1,878 1,902 1,530 1,734 1,366 1,619 1,475 1,806 1,635 1,922 1,761
7/31/26 1,313 1,486 1,382 1,850 1,884 1,508 1,709 1,345 1,595 1,454 1,776 1,609 1,894 1,736
7/30/26 1,297 1,464 1,364 1,826 1,867 1,487 1,687 1,328 1,574 1,435 1,750 1,585 1,868 1,714
7/29/26 1,281 1,444 1,347 1,803 1,851 1,468 1,667 1,311 1,555 1,417 1,724 1,562 1,843 1,694
7/28/26 1,263 1,425 1,328 1,777 1,835 1,447 1,643 1,292 1,533 1,397 1,697 1,536 1,816 1,670
7/27/26 1,245 1,406 1,309 1,752 1,818 1,426 1,621 1,274 1,512 1,378 1,671 1,512 1,789 1,647
7/26/26 1,230 1,390 1,294 1,728 1,802 1,408 1,602 1,258 1,494 1,361 1,648 1,491 1,765 1,626
7/25/26 1,215 1,373 1,280 1,707 1,785 1,391 1,584 1,244 1,476 1,345 1,625 1,471 1,741 1,608
7/24/26 1,199 1,356 1,263 1,682 1,766 1,373 1,563 1,228 1,457 1,327 1,601 1,449 1,716 1,586
7/23/26 1,185 1,341 1,248 1,660 1,748 1,355 1,544 1,213 1,440 1,310 1,577 1,428 1,691 1,566
7/22/26 1,170 1,323 1,233 1,641 1,730 1,339 1,527 1,198 1,423 1,294 1,556 1,411 1,668 1,549
7/21/26 1,155 1,311 1,218 1,622 1,710 1,323 1,509 1,183 1,407 1,280 1,538 1,395 1,648 1,531
7/20/26 1,132 1,285 1,194 1,595 1,684 1,295 1,483 1,160 1,382 1,257 1,512 1,369 1,622 1,505
7/19/26 1,118 1,266 1,179 1,576 1,666 1,277 1,464 1,145 1,365 1,240 1,493 1,352 1,602 1,486
7/18/26 1,107 1,246 1,167 1,558 1,652 1,261 1,448 1,134 1,352 1,228 1,477 1,338 1,583 1,470
7/17/26 1,096 1,230 1,156 1,542 1,639 1,247 1,433 1,123 1,339 1,215 1,462 1,326 1,566 1,454
7/16/26 1,084 1,212 1,144 1,525 1,627 1,234 1,417 1,111 1,325 1,202 1,443 1,311 1,547 1,437
7/15/26 1,068 1,194 1,127 1,501 1,608 1,215 1,396 1,095 1,305 1,184 1,418 1,286 1,523 1,416
7/14/26 1,049 1,167 1,107 1,471 1,585 1,188 1,369 1,074 1,281 1,161 1,385 1,255 1,491 1,389
7/13/26 1,028 1,138 1,083 1,440 1,558 1,160 1,341 1,052 1,253 1,136 1,352 1,224 1,462 1,361
7/12/26 1,009 1,109 1,063 1,414 1,535 1,135 1,317 1,032 1,230 1,115 1,324 1,198 1,436 1,339
7/11/26 993 1,081 1,045 1,389 1,516 1,113 1,294 1,015 1,210 1,096 1,298 1,176 1,410 1,315
7/10/26 980 1,059 1,032 1,370 1,501 1,096 1,276 1,002 1,195 1,082 1,278 1,160 1,389 1,297
7/9/26 969 1,040 1,021 1,352 1,489 1,082 1,260 991 1,181 1,069 1,259 1,145 1,370 1,281
7/8/26 957 1,017 1,007 1,333 1,476 1,065 1,241 978 1,166 1,055 1,239 1,129 1,349 1,262
7/7/26 947 1,000 997 1,317 1,464 1,052 1,226 968 1,153 1,044 1,224 1,116 1,333 1,246
7/6/26 938 990 987 1,303 1,452 1,042 1,214 959 1,142 1,033 1,211 1,106 1,318 1,233
7/5/26 929 978 978 1,290 1,440 1,032 1,201 950 1,131 1,023 1,199 1,096 1,303 1,220
7/4/26 920 966 970 1,277 1,428 1,021 1,189 942 1,121 1,014 1,188 1,087 1,290 1,207
7/3/26 910 945 959 1,261 1,416 1,006 1,173 932 1,109 1,002 1,172 1,074 1,272 1,192
7/2/26 900 926 948 1,244 1,403 991 1,158 921 1,096 990 1,156 1,060 1,254 1,175
7/1/26 890 913 938 1,230 1,390 980 1,145 911 1,085 978 1,143 1,050 1,239 1,162
6/30/26 880 899 928 1,214 1,380 968 1,130 902 1,073 967 1,128 1,037 1,223 1,147
6/29/26 871 880 917 1,197 1,368 954 1,115 892 1,059 955 1,110 1,022 1,206 1,131
6/28/26 858 864 902 1,176 1,351 938 1,096 877 1,042 940 1,087 1,002 1,183 1,112
6/27/26 843 852 887 1,155 1,334 921 1,075 862 1,023 924 1,069 984 1,164 1,091
6/26/26 827 844 870 1,136 1,318 907 1,057 846 1,004 908 1,053 968 1,146 1,072
6/25/26 814 833 855 1,118 1,304 894 1,039 832 988 895 1,036 952 1,128 1,054
6/24/26 804 821 845 1,103 1,291 884 1,026 822 977 883 1,020 941 1,111 1,040
6/23/26 796 809 837 1,090 1,279 874 1,014 814 967 874 1,008 931 1,097 1,028
6/22/26 787 794 828 1,076 1,267 863 1,000 806 956 864 996 921 1,082 1,014
6/21/26 778 778 818 1,062 1,255 851 987 796 945 853 982 910 1,066 1,000
6/20/26 768 762 807 1,046 1,243 838 971 786 932 841 967 897 1,050 985
6/19/26 754 750 793 1,029 1,225 825 955 772 917 827 952 883 1,033 969
6/18/26 742 744 781 1,016 1,210 813 943 760 905 816 941 874 1,020 956
6/17/26 731 735 770 1,003 1,195 800 930 750 894 806 930 864 1,005 942
6/16/26 719 724 760 989 1,179 788 917 739 883 795 918 854 991 928
6/15/26 709 710 749 973 1,165 776 902 729 870 783 903 842 974 913
6/14/26 698 691 737 956 1,149 763 886 717 856 770 887 829 956 897
6/13/26 686 676 725 939 1,134 749 870 706 842 757 872 816 938 880
6/12/26 673 650 712 920 1,118 732 852 693 827 742 852 799 917 862
6/11/26 658 622 696 896 1,097 711 831 678 808 724 828 777 893 841
6/10/26 635 593 671 864 1,074 682 803 653 778 698 795 745 861 811
6/9/26 613 575 646 837 1,051 658 777 630 749 675 770 720 835 783
6/8/26 597 563 630 815 1,034 641 756 614 728 657 752 701 815 762
6/7/26 585 558 618 800 1,022 629 742 602 716 645 739 688 801 748
6/6/26 574 548 606 782 1,008 616 726 590 702 632 723 673 784 731
6/5/26 560 542 591 766 995 601 709 576 684 617 710 659 769 715
6/4/26 544 531 572 743 978 581 687 558 662 597 689 638 747 694
6/3/26 529 518 557 720 964 563 665 543 644 580 668 617 725 673
6/2/26 513 504 539 700 949 545 646 526 625 563 649 599 706 655
6/1/26 506 486 532 687 938 535 634 518 616 555 636 589 691 643
5/31/26 492 463 518 666 921 518 616 504 599 538 612 568 668 623
5/30/26 480 448 504 647 906 503 599 492 583 524 593 551 650 606
5/29/26 469 440 493 632 895 493 585 481 570 512 580 539 635 591
5/28/26 459 432 484 619 886 484 572 471 558 502 568 528 622 578
5/27/26 448 427 472 607 875 474 560 460 546 491 558 518 612 566
5/26/26 439 421 464 595 865 467 550 452 536 482 549 509 601 555
5/25/26 429 418 453 585 856 458 540 441 525 472 542 501 592 545
5/24/26 422 415 447 576 848 454 532 435 518 466 534 495 582 537
5/23/26 416 409 441 566 838 448 523 429 510 459 527 489 572 528
5/22/26 408 403 433 556 827 439 514 422 502 452 519 483 562 519
5/21/26 401 387 427 546 818 430 504 416 494 445 508 475 549 509
5/20/26 390 363 415 527 804 414 487 404 480 430 488 456 529 491
5/19/26 377 341 401 506 788 398 469 390 462 414 464 434 506 474
5/18/26 360 322 382 484 769 380 451 372 441 396 442 412 486 454
5/17/26 340 307 361 462 749 360 429 351 417 378 423 392 467 433
5/16/26 327 300 346 448 735 347 415 336 401 363 411 379 453 419
5/15/26 314 296 331 434 720 335 402 321 387 348 400 368 440 406
5/14/26 299 288 315 416 706 321 383 306 367 331 384 351 423 387
5/13/26 288 277 303 396 694 307 367 294 351 318 367 335 405 368
5/12/26 276 272 291 381 681 296 353 282 336 305 354 322 390 353
5/11/26 270 259 284 369 672 288 342 276 327 297 343 313 377 342
5/10/26 261 240 275 352 658 274 327 267 315 286 325 298 359 327
5/9/26 253 225 266 338 649 263 315 258 303 276 311 286 344 315
5/8/26 244 212 256 322 638 251 301 248 291 264 293 272 326 300
5/7/26 235 203 247 308 628 240 288 239 280 254 278 259 310 288
5/6/26 229 192 240 296 620 232 277 233 271 246 268 251 297 277
5/5/26 218 183 229 282 609 222 264 222 259 235 254 239 282 264
5/4/26 210 180 221 272 601 216 255 214 251 227 246 232 272 255
5/3/26 206 179 216 266 595 212 249 210 246 222 242 228 266 248
5/2/26 200 178 210 258 588 207 242 204 239 216 236 223 258 241
5/1/26 195 174 205 251 581 202 235 199 233 210 231 219 251 235
4/30/26 188 162 197 240 574 194 225 191 224 202 221 211 240 225
4/29/26 180 149 190 228 566 184 214 184 215 193 208 200 226 214
4/28/26 173 138 181 216 557 176 203 176 205 184 196 190 213 203
4/27/26 165 132 172 206 548 168 194 168 196 175 186 180 203 193
4/26/26 159 128 166 198 542 163 187 162 189 168 180 174 196 186
4/25/26 155 128 162 192 536 161 182 158 184 164 176 171 190 181
4/24/26 152 128 159 188 532 158 179 155 181 161 174 170 187 178
4/23/26 148 123 155 182 527 154 173 151 175 157 168 165 180 172
4/22/26 141 117 147 173 518 146 164 143 166 148 159 156 171 163
4/21/26 135 114 141 167 514 142 158 138 160 143 154 151 164 157
4/20/26 131 113 137 162 509 138 153 134 155 139 150 147 160 152
4/19/26 128 113 134 159 504 135 150 130 152 137 149 146 158 150
4/18/26 122 109 128 151 496 128 143 125 144 131 142 138 149 143
4/17/26 113 99 118 140 485 118 133 116 134 121 131 128 138 132
4/16/26 106 92 110 130 473 109 124 108 125 113 121 119 128 123
4/15/26 98 88 101 121 463 99 115 100 115 105 114 110 120 114
4/14/26 92 86 95 114 457 93 108 94 109 98 108 104 114 107
4/13/26 87 82 90 108 451 89 102 89 103 93 102 99 107 101
4/12/26 82 80 85 101 446 85 96 83 96 88 97 93 101 94
4/11/26 78 80 82 98 443 82 93 81 93 85 95 92 98 91
4/10/26 76 80 79 95 440 80 90 78 90 82 93 90 95 89
4/9/26 69 79 72 87 434 74 83 71 83 75 88 85 88 82
4/8/26 61 74 64 78 423 66 75 63 74 68 79 78 79 74
4/7/26 52 63 54 66 413 57 63 54 64 57 66 66 66 62
4/6/26 47 55 49 57 405 51 54 48 56 50 56 58 56 54
4/5/26 42 44 44 50 399 47 47 44 50 44 48 52 47 47
4/4/26 31 27 32 34 384 33 34 32 36 32 32 34 32 33
4/3/26 19 11 20 21 372 20 21 20 22 19 17 19 19 21
4/2/26 10 2 10 10 361 9 11 10 11 10 6 7 9 10
4/1/26 5 0 5 5 355 4 5 5 5 5 2 3 4 4