Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >
Tulsa, Oklahoma | ||||||||||||||
Monthly and Seasonal Heating Degree Days | ||||||||||||||
DATE | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | Season | DATE |
1905 | 0 | 0 | 0 | 113 | 450 | 775 | 814 | 723 | 766 | 106 | 51 | 0 | 3798 | 1906 |
1906 | 0 | 0 | 2 | 190 | 537 | 637 | 723 | 649 | 258 | 343 | 194 | 0 | 3533 | 1907 |
1907 | 0 | 0 | 4 | 166 | 517 | 706 | 735 | 660 | 305 | 177 | 54 | 0 | 3324 | 1908 |
1908 | 0 | 0 | 36 | 225 | 422 | 685 | 857 | 612 | 484 | 228 | 57 | 0 | 3606 | 1909 |
1909 | 0 | 0 | 10 | 146 | 276 | 1010 | 713 | 741 | 179 | 173 | 78 | 0 | 3326 | 1910 |
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1910 | 0 | 0 | 7 | 132 | 439 | 804 | 743 | 604 | 347 | 203 | 45 | 0 | 3324 | 1911 |
1911 | 0 | 0 | 0 | 229 | 631 | 804 | 1173 | 849 | 700 | 176 | 47 | 3 | 4612 | 1912 |
1912 | 0 | 0 | 59 | 129 | 449 | 748 | 859 | 864 | 623 | 151 | 14 | 10 | 3906 | 1913 |
1913 | 0 | 0 | 37 | 279 | 250 | 747 | 637 | 759 | 474 | 223 | 62 | 0 | 3468 | 1914 |
1914 | 0 | 0 | 6 | 169 | 344 | 1028 | 853 | 603 | 770 | 91 | 66 | 0 | 3930 | 1915 |
1915 | 0 | 6 | 11 | 75 | 324 | 667 | 915 | 766 | 379 | 258 | 46 | 0 | 3447 | 1916 |
1916 | 0 | 0 | 20 | 135 | 434 | 834 | 773 | 762 | 427 | 241 | 139 | 0 | 3765 | 1917 |
1917 | 0 | 1 | 6 | 316 | 411 | 1045 | 1334 | 662 | 312 | 284 | 42 | 0 | 4413 | 1918 |
1918 | 0 | 0 | 44 | 87 | 457 | 642 | 759 | 669 | 404 | 166 | 51 | 14 | 3293 | 1919 |
1919 | 0 | 0 | 1 | 162 | 519 | 894 | 897 | 652 | 395 | 228 | 31 | 1 | 3780 | 1920 |
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1920 | 0 | 1 | 16 | 116 | 552 | 713 | 615 | 509 | 258 | 163 | 32 | 0 | 2975 | 1921 |
1921 | 0 | 0 | 4 | 93 | 378 | 679 | 885 | 576 | 468 | 126 | 0 | 2 | 3211 | 1922 |
1922 | 0 | 0 | 3 | 100 | 374 | 621 | 516 | 728 | 497 | 156 | 33 | 0 | 3028 | 1923 |
1923 | 0 | 0 | 1 | 234 | 406 | 636 | 955 | 655 | 646 | 144 | 79 | 0 | 3756 | 1924 |
1924 | 0 | 0 | 24 | 84 | 350 | 926 | 916 | 478 | 278 | 55 | 45 | 0 | 3156 | 1925 |
1925 | 0 | 0 | 8 | 343 | 464 | 813 | 788 | 439 | 502 | 239 | 9 | 0 | 3605 | 1926 |
1926 | 0 | 0 | 66 | 118 | 543 | 745 | 807 | 474 | 414 | 97 | 21 | 2 | 3287 | 1927 |
1927 | 0 | 0 | 48 | 68 | 337 | 857 | 737 | 588 | 354 | 237 | 5 | 7 | 3238 | 1928 |
1928 | 0 | 0 | 10 | 104 | 480 | 692 | 919 | 932 | 356 | 90 | 61 | 0 | 3644 | 1929 |
1929 | 0 | 0 | 3 | 97 | 630 | 663 | 1239 | 365 | 451 | 48 | 9 | 0 | 3505 | 1930 |
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1930 | 0 | 0 | 12 | 195 | 402 | 720 | 670 | 455 | 545 | 216 | 83 | 0 | 3298 | 1931 |
1931 | 0 | 0 | 0 | 75 | 247 | 544 | 736 | 428 | 591 | 73 | 20 | 0 | 2714 | 1932 |
1932 | 0 | 0 | 6 | 167 | 585 | 862 | 540 | 705 | 399 | 148 | 19 | 0 | 3431 | 1933 |
1933 | 0 | 0 | 0 | 117 | 387 | 569 | 688 | 625 | 490 | 108 | 14 | 0 | 2998 | 1934 |
1934 | 0 | 0 | 24 | 44 | 325 | 747 | 718 | 533 | 255 | 210 | 83 | 5 | 2944 | 1935 |
1935 | 0 | 0 | 16 | 122 | 517 | 776 | 914 | 901 | 197 | 186 | 3 | 0 | 3632 | 1936 |
1936 | 0 | 0 | 22 | 172 | 473 | 604 | 1002 | 656 | 519 | 146 | 21 | 0 | 3615 | 1937 |
1937 | 0 | 0 | 25 | 184 | 569 | 797 | 716 | 498 | 215 | 176 | 31 | 0 | 3211 | 1938 |
1938 | 0 | 0 | 26 | 59 | 444 | 673 | 633 | 804 | 352 | 224 | 24 | 0 | 3239 | 1939 |
1939 | 0 | 0 | 16 | 100 | 520 | 609 | 1310 | 730 | 450 | 237 | 27 | 1 | 4000 | 1940 |
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1940 | 0 | 0 | 43 | 48 | 578 | 706 | 751 | 711 | 601 | 121 | 3 | 0 | 3562 | 1941 |
1941 | 0 | 0 | 19 | 126 | 469 | 656 | 871 | 722 | 454 | 133 | 80 | 4 | 3534 | 1942 |
1942 | 0 | 0 | 82 | 130 | 397 | 757 | 887 | 556 | 656 | 117 | 63 | 0 | 3645 | 1943 |
1943 | 0 | 0 | 6 | 192 | 488 | 891 | 812 | 625 | 537 | 244 | 59 | 0 | 3854 | 1944 |
1944 | 0 | 0 | 9 | 70 | 408 | 901 | 825 | 704 | 317 | 214 | 117 | 3 | 3568 | 1945 |
1945 | 0 | 0 | 31 | 152 | 401 | 974 | 801 | 483 | 258 | 81 | 66 | 14 | 3261 | 1946 |
1946 | 0 | 0 | 18 | 81 | 449 | 606 | 819 | 789 | 637 | 204 | 58 | 3 | 3664 | 1947 |
1947 | 1 | 0 | 7 | 32 | 546 | 720 | 1036 | 787 | 625 | 76 | 27 | 0 | 3857 | 1948 |
1948 | 0 | 0 | 8 | 145 | 482 | 692 | 1011 | 705 | 495 | 204 | 5 | 0 | 3747 | 1949 |
1949 | 0 | 0 | 58 | 177 | 347 | 712 | 811 | 572 | 545 | 239 | 39 | 3 | 3503 | 1950 |
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1950 | 0 | 5 | 1 | 50 | 561 | 848 | 808 | 633 | 529 | 275 | 35 | 5 | 3750 | 1951 |
1951 | 0 | 0 | 16 | 172 | 649 | 776 | 684 | 567 | 561 | 269 | 37 | 0 | 3731 | 1952 |
1952 | 0 | 0 | 4 | 223 | 523 | 783 | 732 | 546 | 328 | 301 | 91 | 0 | 3531 | 1953 |
1953 | 2 | 0 | 1 | 115 | 433 | 736 | 864 | 391 | 520 | 60 | 95 | 4 | 3221 | 1954 |
1954 | 0 | 0 | 0 | 135 | 367 | 690 | 779 | 665 | 461 | 88 | 0 | 5 | 3190 | 1955 |
1955 | 0 | 0 | 0 | 129 | 560 | 816 | 905 | 653 | 429 | 245 | 29 | 0 | 3766 | 1956 |
1956 | 0 | 0 | 0 | 41 | 509 | 689 | 957 | 505 | 513 | 235 | 36 | 3 | 3488 | 1957 |
1957 | 0 | 0 | 5 | 225 | 515 | 582 | 813 | 834 | 696 | 194 | 23 | 0 | 3887 | 1958 |
1958 | 0 | 0 | 18 | 146 | 345 | 853 | 969 | 652 | 416 | 196 | 21 | 0 | 3616 | 1959 |
1959 | 0 | 0 | 14 | 170 | 614 | 618 | 858 | 864 | 818 | 161 | 88 | 0 | 4205 | 1960 |
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1960 | 0 | 0 | 0 | 88 | 393 | 814 | 943 | 619 | 394 | 281 | 70 | 0 | 3602 | 1961 |
1961 | 0 | 0 | 37 | 129 | 563 | 918 | 1072 | 628 | 586 | 250 | 3 | 0 | 4186 | 1962 |
1962 | 0 | 0 | 21 | 117 | 450 | 771 | 1119 | 736 | 343 | 90 | 46 | 0 | 3693 | 1963 |
1963 | 0 | 0 | 5 | 20 | 376 | 1038 | 739 | 734 | 553 | 87 | 19 | 1 | 3572 | 1964 |
1964 | 0 | 0 | 18 | 162 | 385 | 797 | 775 | 711 | 752 | 73 | 1 | 0 | 3674 | 1965 |
1965 | 0 | 0 | 15 | 122 | 283 | 556 | 992 | 722 | 395 | 227 | 67 | 0 | 3379 | 1966 |
1966 | 0 | 0 | 13 | 202 | 376 | 859 | 776 | 724 | 362 | 100 | 101 | 0 | 3513 | 1967 |
1967 | 0 | 0 | 37 | 184 | 498 | 781 | 892 | 803 | 479 | 184 | 67 | 0 | 3925 | 1968 |
1968 | 0 | 0 | 1 | 160 | 543 | 864 | 863 | 652 | 680 | 127 | 24 | 2 | 3916 | 1969 |
1969 | 0 | 0 | 0 | 241 | 498 | 789 | 1088 | 642 | 625 | 174 | 26 | 18 | 4101 | 1970 |
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1970 | 0 | 0 | 18 | 217 | 577 | 692 | 878 | 721 | 463 | 176 | 37 | 0 | 3779 | 1971 |
1971 | 0 | 0 | 53 | 60 | 446 | 653 | 932 | 670 | 373 | 161 | 47 | 0 | 3395 | 1972 |
1972 | 0 | 0 | 19 | 183 | 634 | 964 | 954 | 700 | 321 | 233 | 42 | 0 | 4050 | 1973 |
1973 | 0 | 0 | 24 | 95 | 343 | 824 | 951 | 591 | 341 | 137 | 5 | 0 | 3311 | 1974 |
1974 | 0 | 0 | 74 | 94 | 473 | 777 | 773 | 780 | 610 | 205 | 19 | 0 | 3805 | 1975 |
1975 | 0 | 0 | 57 | 146 | 429 | 762 | 855 | 402 | 407 | 126 | 109 | 0 | 3293 | 1976 |
1976 | 0 | 0 | 16 | 317 | 648 | 858 | 1173 | 511 | 309 | 99 | 1 | 0 | 3932 | 1977 |
1977 | 0 | 0 | 1 | 118 | 412 | 801 | 1236 | 989 | 541 | 110 | 67 | 0 | 4275 | 1978 |
1978 | 0 | 0 | 0 | 121 | 406 | 834 | 1293 | 972 | 391 | 164 | 47 | 0 | 4228 | 1979 |
1979 | 0 | 0 | 0 | 90 | 525 | 632 | 812 | 801 | 513 | 154 | 22 | 0 | 3549 | 1980 |
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1980 | 0 | 0 | 13 | 172 | 438 | 703 | 843 | 598 | 360 | 48 | 58 | 0 | 3233 | 1981 |
1981 | 0 | 0 | 23 | 178 | 402 | 817 | 967 | 747 | 322 | 208 | 11 | 5 | 3680 | 1982 |
1982 | 0 | 0 | 23 | 146 | 437 | 635 | 794 | 611 | 492 | 321 | 50 | 0 | 3509 | 1983 |
1983 | 0 | 0 | 19 | 89 | 378 | 1179 | 941 | 533 | 509 | 229 | 47 | 0 | 3924 | 1984 |
1984 | 0 | 0 | 73 | 130 | 438 | 628 | 1073 | 809 | 330 | 103 | 7 | 0 | 3591 | 1985 |
1985 | 0 | 0 | 46 | 111 | 510 | 936 | 680 | 602 | 322 | 127 | 13 | 0 | 3347 | 1986 |
1986 | 0 | 0 | 5 | 148 | 632 | 771 | 893 | 544 | 413 | 149 | 0 | 0 | 3555 | 1987 |
1987 | 0 | 0 | 1 | 189 | 416 | 727 | 928 | 739 | 483 | 187 | 9 | 0 | 3679 | 1988 |
1988 | 0 | 0 | 8 | 218 | 393 | 662 | 663 | 921 | 487 | 155 | 53 | 0 | 3560 | 1989 |
1989 | 0 | 0 | 67 | 126 | 375 | 1029 | 580 | 527 | 376 | 194 | 54 | 0 | 3328 | 1990 |
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1990 | 0 | 0 | 8 | 172 | 271 | 813 | 933 | 459 | 327 | 83 | 17 | 0 | 3083 | 1991 |
1991 | 0 | 0 | 35 | 121 | 570 | 628 | 682 | 423 | 311 | 156 | 53 | 0 | 2979 | 1992 |
1992 | 0 | 0 | 9 | 151 | 565 | 812 | 903 | 755 | 556 | 280 | 57 | 0 | 4088 | 1993 |
1993 | 0 | 0 | 40 | 294 | 611 | 695 | 917 | 721 | 387 | 186 | 56 | 0 | 3907 | 1994 |
1994 | 0 | 0 | 25 | 126 | 390 | 683 | 783 | 574 | 436 | 218 | 70 | 0 | 3305 | 1995 |
1995 | 0 | 0 | 79 | 112 | 480 | 786 | 912 | 640 | 574 | 198 | 19 | 0 | 3800 | 1996 |
1996 | 0 | 0 | 26 | 152 | 594 | 704 | 896 | 579 | 393 | 275 | 40 | 0 | 3659 | 1997 |
1997 | 0 | 0 | 3 | 194 | 563 | 791 | 764 | 558 | 581 | 225 | 12 | 6 | 3697 | 1998 |
1998 | 0 | 0 | 0 | 109 | 344 | 746 | 798 | 415 | 496 | 134 | 18 | 0 | 3060 | 1999 |
1999 | 0 | 0 | 38 | 130 | 238 | 664 | 768 | 487 | 363 | 183 | 23 | 2 | 2896 | 2000 |
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2000 | 0 | 0 | 26 | 100 | 628 | 1121 | 914 | 657 | 546 | 93 | 18 | 0 | 4103 | 2001 |
2001 | 0 | 0 | 20 | 142 | 298 | 660 | 760 | 634 | 539 | 146 | 57 | 0 | 3256 | 2002 |
2002 | 0 | 0 | 0 | 268 | 491 | 686 | 864 | 758 | 474 | 155 | 11 | 0 | 3707 | 2003 |
2003 | 0 | 0 | 32 | 113 | 414 | 661 | 814 | 722 | 322 | 178 | 49 | 0 | 3305 | 2004 |
2004 | 0 | 0 | 0 | 74 | 394 | 695 | 804 | 531 | 442 | 151 | 59 | 0 | 3150 | 2005 |
2005 | 0 | 0 | 7 | 164 | 342 | 808 | 505 | 646 | 354 | 78 | 32 | 0 | 2936 | 2006 |
2006 | 0 | 0 | 12 | 191 | 397 | 669 | 878 | 676 | 186 | 262 | 6 | 0 | 3277 | 2007 |
2007 | 0 | 0 | 0 | 111 | 394 | 807 | 818 | 693 | 419 | 205 | 34 | 0 | 3481 | 2008 |
2008 | 0 | 0 | 4 | 145 | 431 | 787 | 867 | 516 | 397 | 224 | 54 | 0 | 3425 | 2009 |
2009 | 0 | 1 | 12 | 284 | 304 | 934 | 963 | 798 | 453 | 100 | 35 | 0 | 3884 | 2010 |
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2010 | 0 | 0 | 12 | 95 | 392 | 808 | 951 | 743 | 413 | 126 | 91 | 0 | 3631 | 2011 |
2011 | 0 | 0 | 23 | 130 | 424 | 693 | 640 | 565 | 177 | 80 | 0 | 5 | 2737 | 2012 |
2012 | 0 | 0 | 5 | 212 | 377 | 658 | 756 | 664 | 535 | 284 | 97 | 2 | 3590 | 2013 |
2013 | 0 | 0 | 1 | 182 | 518 | 913 | 897 | 790 | 562 | 198 | 57 | 0 | 4118 | 2014 |
2014 | 1 | 0 | 12 | 97 | 591 | 692 | 817 | 805 | 381 | 115 | 36 | 0 | 3547 | 2015 |
2015 | 0 | 0 | 0 | 107 | 368 | 561 | 826 | 470 | 267 | 84 | 55 | 0 | 2738 | 2016 |
2016 | 0 | 0 | 2 | 48 | 289 | 784 | 705 | 393 | 294 | 127 | 38 | 0 | 2680 | 2017 |
2017 | 0 | 0 | 0 | 159 | 343 | 719 | 844 | 643 | 369 | 339 | 0 | 0 | 3416 | 2018 |
2018 | 0 | 0 | 10 | 204 | 578 | 730 | 831 | 697 | 527 | 122 | 36 | 0 | 3735 | 2019 |
2019 | 0 | 0 | 0 | 263 | 513 | 616 | 691 | 642 | 270 | 207 | 61 | 0 | 3263 | 2020 |
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2020 | 0 | 0 | 9 | 246 | 323 | 699 | 765 | 934 | 295 | 190 | 57 | 1 | 3519 | 2021 |
2021 | 0 | 0 | 0 | 90 | 395 | 400 | 839 | 692 | 419 | 176 | 56 | 0 | 3067 | 2022 |
2022 | 0 | 0 | 0 | 125 | 500 | 757 | 710 | 553 | 461 | 189 | 33 | 0 | 3328 | 2023 |
2023 | 0 | 0 | 0 | 171 | 401 | 598 | 972 | 397 | 285 | 106 | 4 | 0 | 2824 | 2024 |
2024 | 0 | 0 | 0 | 52 | 52 | 2025 | ||||||||
DATE | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | Season | DATE |
Updated: November 12, 2024