Napa County Seasonal GDD

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

Daily Data
as of 1/27/25 6:51 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