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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 11/20/24 11:26 PM PST
Date St. Helena-North Oakville-NE (Ranch 88) Suscol Lower (Ranch 35) Carneros Lower (Ranch 81)
11/15/24 - 3,425 - 2,867
11/14/24 - 3,425 - 2,867
11/13/24 - 3,425 - 2,867
11/12/24 - 3,425 - 2,867
11/11/24 - 3,425 - 2,867
11/10/24 - 3,425 - 2,867
11/9/24 - 3,425 - 2,867
11/8/24 - 3,425 - 2,867
11/7/24 - 3,425 - 2,867
11/6/24 - 3,425 - 2,867
11/5/24 - 3,425 - 2,867
11/4/24 - 3,425 - 2,867
11/3/24 - 3,425 - 2,867
11/2/24 - 3,425 - 2,867
11/1/24 - 3,425 - 2,867
10/31/24 3,909 3,425 2,921 2,867
10/30/24 3,903 3,420 2,916 2,861
10/29/24 3,898 3,414 2,911 2,856
10/28/24 3,890 3,408 2,905 2,850
10/27/24 3,883 3,402 2,900 2,844
10/26/24 3,872 3,392 2,890 2,835
10/25/24 3,857 3,380 2,879 2,823
10/24/24 3,846 3,369 2,869 2,813
10/23/24 3,835 3,359 2,859 2,804
10/22/24 3,822 3,348 2,849 2,794
10/21/24 3,813 3,339 2,842 2,788
10/20/24 3,801 3,330 2,833 2,779
10/19/24 3,788 3,318 2,820 2,768
10/18/24 3,765 3,297 2,804 2,754
10/17/24 3,745 3,279 2,786 2,736
10/16/24 3,732 3,266 2,774 2,723
10/15/24 3,717 3,255 2,762 2,711
10/14/24 3,701 3,241 2,749 2,699
10/13/24 3,688 3,230 2,738 2,690
10/12/24 3,669 3,212 2,719 2,671
10/11/24 3,656 3,199 2,706 2,657
10/10/24 3,644 3,190 2,697 2,649
10/9/24 3,629 3,177 2,686 2,639
10/8/24 3,615 3,165 2,676 2,629
10/7/24 3,590 3,146 2,658 2,613
10/6/24 3,561 3,121 2,630 2,587
10/5/24 3,533 3,095 2,602 2,561
10/4/24 3,505 3,070 2,576 2,537
10/3/24 3,484 3,052 2,558 2,520
10/2/24 3,460 3,032 2,536 2,502
10/1/24 3,432 3,008 2,509 2,478
9/30/24 3,404 2,984 2,483 2,455
9/29/24 3,383 2,966 2,464 2,438
9/28/24 3,368 2,953 2,454 2,428
9/27/24 3,351 2,940 2,443 2,418
9/26/24 3,328 2,921 2,423 2,400
9/25/24 3,310 2,904 2,409 2,386
9/24/24 3,295 2,890 2,397 2,373
9/23/24 3,270 2,870 2,378 2,355
9/22/24 3,245 2,849 2,358 2,335
9/21/24 3,227 2,835 2,345 2,323
9/20/24 3,211 2,821 2,334 2,312
9/19/24 3,198 2,809 2,324 2,302
9/18/24 3,183 2,796 2,314 2,292
9/17/24 3,168 2,784 2,302 2,280
9/16/24 3,156 2,773 2,292 2,270
9/15/24 3,143 2,760 2,282 2,259
9/14/24 3,129 2,749 2,272 2,249
9/13/24 3,113 2,735 2,260 2,238
9/12/24 3,092 2,715 2,244 2,222
9/11/24 3,072 2,698 2,230 2,208
9/10/24 3,054 2,681 2,216 2,193
9/9/24 3,040 2,669 2,206 2,182
9/8/24 3,020 2,653 2,193 2,168
9/7/24 2,997 2,631 2,175 2,150
9/6/24 2,976 2,613 2,160 2,135
9/5/24 2,952 2,591 2,141 2,117
9/4/24 2,927 2,569 2,122 2,098
9/3/24 2,902 2,548 2,102 2,080
9/2/24 2,876 2,525 2,080 2,059
9/1/24 2,858 2,509 2,065 2,043
8/31/24 2,838 2,493 2,051 2,028
8/30/24 2,818 2,476 2,036 2,012
8/29/24 2,797 2,459 2,023 1,996
8/28/24 2,778 2,443 2,010 1,983
8/27/24 2,754 2,424 1,993 1,966
8/26/24 2,728 2,401 1,970 1,945
8/25/24 2,705 2,379 1,948 1,924
8/24/24 2,685 2,361 1,931 1,908
8/23/24 2,667 2,345 1,915 1,891
8/22/24 2,654 2,332 1,902 1,878
8/21/24 2,637 2,317 1,888 1,864
8/20/24 2,617 2,300 1,873 1,849
8/19/24 2,594 2,280 1,855 1,831
8/18/24 2,573 2,262 1,839 1,816
8/17/24 2,554 2,244 1,823 1,799
8/16/24 2,536 2,229 1,808 1,783
8/15/24 2,512 2,209 1,789 1,766
8/14/24 2,486 2,189 1,771 1,748
8/13/24 2,462 2,170 1,754 1,731
8/12/24 2,442 2,154 1,739 1,717
8/11/24 2,425 2,139 1,727 1,705
8/10/24 2,409 2,125 1,716 1,695
8/9/24 2,389 2,108 1,702 1,682
8/8/24 2,370 2,092 1,690 1,670
8/7/24 2,349 2,073 1,677 1,656
8/6/24 2,324 2,053 1,660 1,640
8/5/24 2,299 2,030 1,641 1,622
8/4/24 2,279 2,012 1,627 1,609
8/3/24 2,257 1,992 1,613 1,597
8/2/24 2,228 1,966 1,592 1,577
8/1/24 2,203 1,943 1,574 1,560
7/31/24 2,179 1,923 1,558 1,545
7/30/24 2,157 1,903 1,542 1,531
7/29/24 2,137 1,885 1,527 1,516
7/28/24 2,119 1,870 1,515 1,504
7/27/24 2,102 1,855 1,503 1,492
7/26/24 2,090 1,843 1,493 1,482
7/25/24 2,068 1,825 1,480 1,468
7/24/24 2,041 1,801 1,458 1,447
7/23/24 2,011 1,774 1,435 1,424
7/22/24 1,977 1,744 1,409 1,398
7/21/24 1,951 1,720 1,390 1,379
7/20/24 1,930 1,702 1,376 1,367
7/19/24 1,904 1,679 1,357 1,347
7/18/24 1,874 1,653 1,333 1,325
7/17/24 1,849 1,632 1,315 1,308
7/16/24 1,826 1,613 1,299 1,291
7/15/24 1,808 1,598 1,286 1,276
7/14/24 1,789 1,580 1,272 1,262
7/13/24 1,764 1,560 1,258 1,247
7/12/24 1,741 1,540 1,242 1,232
7/11/24 1,711 1,515 1,222 1,212
7/10/24 1,678 1,485 1,197 1,188
7/9/24 1,651 1,461 1,178 1,169
7/8/24 1,631 1,443 1,163 1,154
7/7/24 1,608 1,423 1,149 1,141
7/6/24 1,583 1,401 1,132 1,124
7/5/24 1,552 1,374 1,109 1,102
7/4/24 1,520 1,348 1,086 1,079
7/3/24 1,488 1,321 1,061 1,055
7/2/24 1,454 1,292 1,034 1,029
7/1/24 1,420 1,263 1,006 1,003
6/30/24 1,391 1,239 986 984
6/29/24 1,362 1,215 964 961
6/28/24 1,339 1,195 949 946
6/27/24 1,316 1,176 933 931
6/26/24 1,295 1,158 918 916
6/25/24 1,274 1,142 904 902
6/24/24 1,251 1,121 887 884
6/23/24 1,228 1,102 870 869
6/22/24 1,204 1,082 853 854
6/21/24 1,179 1,060 836 837
6/20/24 1,160 1,044 825 827
6/19/24 1,147 1,032 817 820
6/18/24 1,132 1,020 808 811
6/17/24 1,111 1,001 791 794
6/16/24 1,090 982 773 777
6/15/24 1,068 963 757 761
6/14/24 1,047 944 741 744
6/13/24 1,028 928 729 732
6/12/24 1,015 918 722 725
6/11/24 997 903 710 715
6/10/24 969 879 689 696
6/9/24 948 860 676 683
6/8/24 931 846 665 673
6/7/24 917 832 654 664
6/6/24 900 817 644 654
6/5/24 878 798 631 641
6/4/24 845 769 605 617
6/3/24 816 741 580 593
6/2/24 795 722 564 578
6/1/24 771 704 550 562
5/31/24 751 687 538 550
5/30/24 730 668 523 535
5/29/24 708 648 505 519
5/28/24 686 629 489 502
5/27/24 668 613 478 492
5/26/24 656 602 470 485
5/25/24 641 588 459 474
5/24/24 631 579 452 467
5/23/24 621 570 446 460
5/22/24 604 556 434 448
5/21/24 585 540 422 436
5/20/24 565 521 408 422
5/19/24 551 509 398 413
5/18/24 538 497 390 405
5/17/24 528 486 383 397
5/16/24 515 474 375 388
5/15/24 505 463 365 378
5/14/24 489 450 358 369
5/13/24 475 439 350 361
5/12/24 463 430 344 354
5/11/24 448 417 336 346
5/10/24 427 400 322 333
5/9/24 406 381 306 318
5/8/24 384 359 286 297
5/7/24 362 339 268 278
5/6/24 350 328 259 269
5/5/24 341 320 253 262
5/4/24 335 314 248 257
5/3/24 333 311 246 255
5/2/24 317 297 236 244
5/1/24 302 281 224 231
4/30/24 286 265 211 217
4/29/24 275 254 202 208
4/28/24 263 241 194 198
4/27/24 250 228 184 188
4/26/24 239 219 177 180
4/25/24 230 208 169 172
4/24/24 220 199 163 164
4/23/24 212 190 156 157
4/22/24 205 183 149 150
4/21/24 189 171 140 141
4/20/24 172 155 128 129
4/19/24 159 145 120 120
4/18/24 148 137 114 114
4/17/24 133 123 104 104
4/16/24 119 109 92 92
4/15/24 107 98 82 83
4/14/24 99 90 77 78
4/13/24 96 88 74 75
4/12/24 95 87 74 75
4/11/24 90 82 69 69
4/10/24 74 68 58 58
4/9/24 59 55 45 47
4/8/24 47 43 36 38
4/7/24 36 33 28 29
4/6/24 31 28 24 25
4/5/24 28 25 21 22
4/4/24 27 24 20 21
4/3/24 27 24 20 21
4/2/24 22 19 17 17
4/1/24 12 10 10 10