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Napa County Growing Degree Days
View Daily Biomet Summary on Forecast (Current) 2023 GDD 2022 GDD 2021 GDD 2020 GDD 2019 GDD

Napa County Seasonal GDD

(Data may contain errors, more accurate/complete data available on morning forecast)

Daily Data
as of 12/8/23 3:42 AM PST
Date St. Helena-North Oakville-NE (Ranch 88) Suscol Lower (Ranch 35) Carneros Lower (Ranch 81)
11/15/23 - 2,971 - 2,454
11/14/23 - 2,971 - 2,454
11/13/23 - 2,971 - 2,454
11/12/23 - 2,971 - 2,454
11/11/23 - 2,971 - 2,454
11/10/23 - 2,971 - 2,454
11/9/23 - 2,971 - 2,454
11/8/23 - 2,971 - 2,454
11/7/23 - 2,971 - 2,454
11/6/23 - 2,971 - 2,454
11/5/23 - 2,971 - 2,454
11/4/23 - 2,971 - 2,454
11/3/23 - 2,971 - 2,454
11/2/23 - 2,971 - 2,454
11/1/23 - 2,971 - 2,454
10/31/23 3,371 2,971 2,546 2,454
10/30/23 3,362 2,963 2,537 2,447
10/29/23 3,353 2,953 2,529 2,440
10/28/23 3,341 2,943 2,518 2,429
10/27/23 3,332 2,935 2,509 2,422
10/26/23 3,327 2,930 2,505 2,417
10/25/23 3,321 2,924 2,500 2,413
10/24/23 3,315 2,919 2,495 2,407
10/23/23 3,303 2,908 2,485 2,399
10/22/23 3,290 2,895 2,473 2,387
10/21/23 3,280 2,886 2,462 2,376
10/20/23 3,270 2,878 2,453 2,367
10/19/23 3,255 2,867 2,442 2,357
10/18/23 3,235 2,848 2,422 2,340
10/17/23 3,216 2,832 2,404 2,326
10/16/23 3,198 2,816 2,389 2,312
10/15/23 3,184 2,804 2,377 2,299
10/14/23 3,169 2,791 2,363 2,285
10/13/23 3,156 2,779 2,348 2,271
10/12/23 3,144 2,767 2,337 2,260
10/11/23 3,131 2,755 2,326 2,249
10/10/23 3,120 2,745 2,316 2,239
10/9/23 3,109 2,733 2,304 2,227
10/8/23 3,098 2,723 2,293 2,215
10/7/23 3,079 2,708 2,279 2,202
10/6/23 3,055 2,688 2,256 2,182
10/5/23 3,030 2,667 2,233 2,162
10/4/23 3,007 2,647 2,210 2,142
10/3/23 2,983 2,629 2,188 2,123
10/2/23 2,967 2,615 2,175 2,112
10/1/23 2,954 2,604 2,165 2,102
9/30/23 2,940 2,593 2,154 2,092
9/29/23 2,927 2,581 2,144 2,082
9/28/23 2,911 2,568 2,132 2,070
9/27/23 2,893 2,554 2,118 2,058
9/26/23 2,877 2,539 2,106 2,045
9/25/23 2,859 2,522 2,090 2,029
9/24/23 2,845 2,509 2,076 2,016
9/23/23 2,835 2,499 2,065 2,006
9/22/23 2,824 2,489 2,057 1,997
9/21/23 2,812 2,478 2,048 1,988
9/20/23 2,799 2,466 2,037 1,979
9/19/23 2,786 2,454 2,026 1,968
9/18/23 2,769 2,441 2,014 1,956
9/17/23 2,752 2,426 2,001 1,942
9/16/23 2,735 2,411 1,986 1,927
9/15/23 2,719 2,394 1,972 1,912
9/14/23 2,699 2,378 1,958 1,898
9/13/23 2,682 2,362 1,945 1,886
9/12/23 2,662 2,346 1,931 1,873
9/11/23 2,644 2,329 1,917 1,860
9/10/23 2,623 2,311 1,901 1,845
9/9/23 2,605 2,296 1,888 1,834
9/8/23 2,586 2,279 1,873 1,821
9/7/23 2,566 2,259 1,857 1,807
9/6/23 2,549 2,245 1,845 1,795
9/5/23 2,532 2,231 1,833 1,783
9/4/23 2,514 2,214 1,817 1,770
9/3/23 2,495 2,198 1,804 1,757
9/2/23 2,477 2,182 1,789 1,741
9/1/23 2,460 2,163 1,771 1,724
8/31/23 2,446 2,149 1,758 1,710
8/30/23 2,427 2,134 1,743 1,697
8/29/23 2,399 2,111 1,720 1,676
8/28/23 2,376 2,092 1,702 1,658
8/27/23 2,353 2,072 1,683 1,641
8/26/23 2,332 2,054 1,668 1,626
8/25/23 2,314 2,040 1,655 1,613
8/24/23 2,292 2,021 1,640 1,597
8/23/23 2,268 1,999 1,621 1,577
8/22/23 2,241 1,974 1,595 1,553
8/21/23 2,218 1,951 1,574 1,532
8/20/23 2,199 1,931 1,556 1,515
8/19/23 2,175 1,908 1,532 1,492
8/18/23 2,153 1,889 1,517 1,476
8/17/23 2,132 1,868 1,500 1,458
8/16/23 2,104 1,844 1,481 1,439
8/15/23 2,075 1,819 1,460 1,418
8/14/23 2,046 1,794 1,438 1,397
8/13/23 2,018 1,768 1,417 1,376
8/12/23 1,990 1,744 1,396 1,356
8/11/23 1,966 1,723 1,380 1,339
8/10/23 1,948 1,707 1,366 1,326
8/9/23 1,931 1,691 1,352 1,313
8/8/23 1,912 1,673 1,337 1,298
8/7/23 1,895 1,658 1,324 1,286
8/6/23 1,868 1,636 1,304 1,267
8/5/23 1,838 1,612 1,282 1,247
8/4/23 1,814 1,591 1,264 1,231
8/3/23 1,794 1,573 1,249 1,218
8/2/23 1,778 1,559 1,236 1,206
8/1/23 1,761 1,544 1,224 1,193
7/31/23 1,744 1,529 1,212 1,182
7/30/23 1,725 1,511 1,197 1,169
7/29/23 1,703 1,493 1,182 1,155
7/28/23 1,681 1,474 1,167 1,141
7/27/23 1,661 1,457 1,153 1,128
7/26/23 1,642 1,441 1,140 1,116
7/25/23 1,622 1,424 1,126 1,103
7/24/23 1,598 1,403 1,107 1,087
7/23/23 1,577 1,386 1,092 1,073
7/22/23 1,554 1,367 1,076 1,058
7/21/23 1,526 1,343 1,056 1,040
7/20/23 1,498 1,319 1,037 1,023
7/19/23 1,473 1,297 1,019 1,007
7/18/23 1,453 1,280 1,007 995
7/17/23 1,435 1,264 995 983
7/16/23 1,408 1,241 975 965
7/15/23 1,379 1,215 955 945
7/14/23 1,351 1,190 935 928
7/13/23 1,325 1,168 918 913
7/12/23 1,302 1,149 902 897
7/11/23 1,283 1,132 889 886
7/10/23 1,259 1,113 874 872
7/9/23 1,241 1,097 862 861
7/8/23 1,227 1,085 853 851
7/7/23 1,212 1,072 842 840
7/6/23 1,196 1,058 831 829
7/5/23 1,180 1,044 821 818
7/4/23 1,164 1,030 811 806
7/3/23 1,145 1,016 800 796
7/2/23 1,122 998 786 782
7/1/23 1,090 972 764 762
6/30/23 1,059 946 740 740
6/29/23 1,032 923 722 724
6/28/23 1,011 906 708 713
6/27/23 995 892 700 705
6/26/23 982 881 690 697
6/25/23 968 869 681 688
6/24/23 955 857 672 679
6/23/23 942 846 663 669
6/22/23 929 833 652 659
6/21/23 918 823 644 650
6/20/23 902 808 634 640
6/19/23 888 795 623 629
6/18/23 875 782 613 618
6/17/23 856 765 599 604
6/16/23 838 751 588 592
6/15/23 821 737 576 580
6/14/23 803 720 564 567
6/13/23 787 708 554 557
6/12/23 771 693 544 546
6/11/23 758 680 533 535
6/10/23 745 669 524 527
6/9/23 731 657 516 519
6/8/23 718 645 507 509
6/7/23 703 632 495 497
6/6/23 694 622 485 487
6/5/23 685 612 474 478
6/4/23 672 600 465 467
6/3/23 653 585 455 456
6/2/23 634 568 442 444
6/1/23 619 555 432 435
5/31/23 606 544 422 427
5/30/23 594 534 415 421
5/29/23 584 524 407 413
5/28/23 577 517 399 405
5/27/23 566 507 392 398
5/26/23 554 497 384 390
5/25/23 545 488 377 383
5/24/23 536 479 371 377
5/23/23 526 470 363 370
5/22/23 515 460 355 363
5/21/23 498 445 344 352
5/20/23 482 432 334 342
5/19/23 470 422 326 334
5/18/23 455 409 317 325
5/17/23 440 398 308 316
5/16/23 423 384 299 308
5/15/23 404 368 287 296
5/14/23 388 354 276 285
5/13/23 373 340 266 274
5/12/23 353 323 250 259
5/11/23 338 310 240 249
5/10/23 327 300 233 241
5/9/23 319 292 228 235
5/8/23 310 284 221 228
5/7/23 303 277 216 222
5/6/23 297 271 210 216
5/5/23 293 266 205 212
5/4/23 290 262 201 208
5/3/23 286 258 197 204
5/2/23 282 254 193 201
5/1/23 280 252 192 199
4/30/23 277 249 190 197
4/29/23 268 240 184 190
4/28/23 255 230 177 183
4/27/23 238 215 166 172
4/26/23 218 196 151 157
4/25/23 200 181 137 144
4/24/23 184 166 127 134
4/23/23 170 155 118 124
4/22/23 154 143 109 115
4/21/23 135 128 98 102
4/20/23 119 113 86 90
4/19/23 109 104 79 82
4/18/23 103 98 75 78
4/17/23 100 95 72 75
4/16/23 96 91 70 72
4/15/23 90 86 66 68
4/14/23 84 80 62 65
4/13/23 77 74 58 60
4/12/23 69 67 53 55
4/11/23 64 61 49 50
4/10/23 53 51 41 43
4/9/23 42 40 33 34
4/8/23 30 30 24 25
4/7/23 24 24 19 20
4/6/23 22 21 16 17
4/5/23 18 17 13 14
4/4/23 14 13 10 11
4/3/23 10 10 8 9
4/2/23 8 7 6 7
4/1/23 4 4 4 4