date! ,

Monthly Total Growing Degree Days

(a vali)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1914 356.50 390.00 570.50 549.00 502.00 498.00 528.00 564.00 623.00 683.50 569.50 269.50 6103.50
1915 331.50 359.00 554.50 512.00 545.50 567.00 628.00 656.00 672.00 659.00 484.00 376.50 6345.00
1916 216.50 460.00 513.50 527.50 489.50 522.50 620.00 576.00 665.50 525.00 433.00 275.00 5824.00
1917 236.50 341.50 362.00 453.00 433.50 558.00 614.50 542.00 719.50 691.00 560.00 452.00 5963.50
1918 392.00 332.50 461.00 517.50 455.00 577.50 583.50 645.50 668.00 745.00 468.00 314.50 6160.00
1919 347.50 324.50 391.00 479.50 531.50 533.50 529.00 568.00 659.50 642.00 480.50 273.50 5760.00
1920 378.50 372.00 387.00 449.00 488.50 606.00 553.50 623.50 612.50 621.00 460.50 340.50 5892.50
1921 298.00 361.50 451.00 446.50 443.50 642.50 613.50 606.00 698.50 666.00 533.50 400.50 6161.00
1922 212.00 286.00 382.50 406.50 558.50 601.00 625.00 632.50 699.50 660.50 429.00 328.50 5821.50
1923 251.00 341.00 519.00 482.00 533.50 515.50 645.00 672.50 718.50 697.50 624.00 343.00 6342.50
1924 316.50 494.50 449.50 524.00 592.50 594.50 590.50 593.00 673.50 604.00 501.00 243.50 6177.00
1925 354.00 425.00 477.00 508.50 588.50 621.50 657.50 655.50 681.50 688.00 498.50 394.00 6549.50
1926 245.00 448.50 640.00 648.50 653.00 574.50 654.00 646.00 638.50 727.00 626.00 356.50 6857.50
1927 350.50 392.50 441.00 465.00 564.00 595.00 578.50 613.50 671.50 697.00 543.50 366.50 6278.50
1928 323.50 438.00 565.50 532.00 586.50 615.50 579.00 572.00 636.00 605.00 490.50 298.50 6242.00
1929 234.50 329.50 441.50 400.50 511.50 690.00 668.00 654.50 642.50 728.00 591.00 441.50 6333.00
1930 300.00 466.00 546.00 577.00 498.50 598.00 578.00 667.00 672.00 719.00 542.50 375.00 6539.00
1931 380.50 467.50 589.50 570.50 677.50 660.50 691.50 634.00 680.00 611.50 433.50 286.50 6683.00
1932 289.00 329.50 530.00 478.50 570.50 575.00 611.50 650.00 689.00 686.50 620.00 246.50 6276.00
1933 217.50 314.00 478.00 464.00 469.50 528.50 604.50 613.00 634.00 692.50 601.00 324.50 5941.00
1934 367.00 437.50 640.00 569.00 639.00 628.00 618.00 648.00 709.50 674.50 555.00 400.50 6886.00
1935 334.00 395.50 391.50 555.50 579.00 639.50 625.00 619.00 616.00 650.00 446.00 398.50 6249.50
1936 429.50 389.00 541.50 567.50 667.50 650.50 604.00 598.50 690.50 688.50 541.00 357.50 6725.50
1937 125.50 277.00 459.00 435.50 531.50 641.00 598.00 586.00 643.00 724.50 548.50 456.00 6025.50
1938 355.00 366.00 397.50 447.50 514.50 523.50 584.50 622.50 635.50 668.50 503.50 422.00 6040.50
1939 371.00 314.50 395.00 472.50 526.00 536.50 588.50 641.50 785.00 712.00 574.50 475.00 6392.00
1940 391.00 447.00 539.50 533.00 558.50 570.00 625.00 620.00 752.50 691.00 511.00 479.00 6717.50
1941 433.00 430.00 570.00 474.50 656.50 601.00 625.00 657.50 704.50 645.50 552.00 417.00 6766.50
1942 344.50 374.00 473.00 467.50 522.50 557.50 611.50 572.50 608.00 648.00 480.50 374.50 6034.00
1943 368.50 413.00 484.00 467.50 577.00 520.50 590.50 615.00 703.50 661.00 577.00 421.00 6398.50
1944 365.50 337.00 489.00 396.00 520.50 533.00 537.00 585.00 619.50 665.00 472.50 440.00 5960.00
1945 316.00 401.50 366.50 477.00 477.00 639.00 606.00 578.00 675.50 668.50 491.50 395.00 6091.50
1946 352.50 299.00 409.00 456.50 484.00 564.00 635.00 561.00 683.00 629.50 440.00 351.00 5864.50
1947 224.00 381.00 495.50 554.00 550.50 654.50 623.50 674.50 642.00 683.00 460.00 340.00 6282.50
1948 456.00 312.50 363.50 407.50 482.00 581.50 598.00 609.50 598.50 630.50 497.50 241.50 5778.50
1949 150.50 232.50 409.50 466.50 518.00 563.50 543.50 601.00 674.50 573.50 594.50 328.50 5656.00
1950 212.00 331.00 409.00 482.00 455.50 503.50 550.00 606.00 657.00 672.00 630.00 422.50 5930.50
1951 318.00 341.00 435.50 369.50 536.00 488.50 503.50 536.00 592.50 667.00 486.50 308.50 5582.50
1952 249.00 352.00 362.00 460.00 537.50 496.50 579.00 554.50 644.50 581.50 476.50 359.50 5652.50
1953 444.50 392.00 408.50 380.00 514.00 533.50 534.00 604.50 675.50 668.50 500.00 464.50 6119.50
1954 356.50 390.00 374.00 510.50 500.50 555.00 590.50 553.50 654.00 665.50 499.00 307.50 5956.50
1955 251.50 342.00 459.00 367.50 514.50 510.00 522.50 507.50 571.00 608.50 486.50 404.50 5545.00
1956 361.50 329.50 423.00 430.50 543.00 566.00 529.50 585.50 676.00 601.50 582.50 394.00 6022.50
1957 273.50 391.00 437.50 529.50 554.50 641.50 606.00 605.00 707.00 691.50 504.00 355.00 6296.00
1958 395.50 452.50 406.00 514.00 604.00 673.00 587.00 652.00 804.50 674.50 541.00 543.50 6847.50
1959 434.00 376.00 563.00 535.50 519.50 581.00 619.50 676.50 687.50 780.50 605.00 460.00 6838.00
1960 342.00 413.00 489.50 480.00 524.00 586.50 561.00 549.00 594.50 649.00 464.50 352.00 6005.00
1961 282.00 432.00 441.50 507.00 487.00 603.50 619.50 648.50 701.00 657.00 494.00 310.50 6183.50
1962 372.00 331.00 391.50 509.50 470.50 525.50 494.50 618.50 549.00 644.50 564.50 398.50 5869.50
1963 322.00 514.50 437.00 431.00 533.00 542.00 610.50 612.50 742.00 709.50 498.50 255.00 6207.50
1964 339.00 434.50 406.50 413.50 413.50 533.50 584.00 620.00 672.50 714.00 459.00 423.50 6013.50
1965 353.00 391.50 446.00 469.50 460.00 485.00 540.00 657.00 635.50 773.50 543.00 258.00 6012.00
1966 374.50 330.00 428.00 537.00 467.50 582.00 562.00 583.00 706.00 700.50 516.50 350.50 6137.50
1967 391.00 368.50 393.50 322.00 553.50 512.00 584.50 593.50 704.50 790.00 598.50 367.50 6179.00
1968 303.00 483.00 516.50 485.00 485.50 569.50 557.00 689.50 692.50 635.50 486.00 304.00 6207.00
1969 265.00 281.00 440.50 425.00 526.50 559.50 546.00 599.00 625.50 678.00 579.50 488.50 6014.00
1970 434.00 485.50 551.00 398.50 548.50 502.00 552.50 533.00 731.50 576.00 535.00 327.00 6174.50
1971 335.50 333.50 412.00 393.00 451.00 519.00 540.50 652.50 740.50 551.50 467.50 279.00 5675.50
1972 263.50 405.00 490.50 464.50 481.00 523.00 645.50 626.00 644.50 673.00 447.00 239.50 5903.00
1973 314.50 416.00 388.50 516.00 504.50 620.00 575.50 529.50 639.00 649.50 459.50 371.50 5984.00
1974 343.50 339.00 412.50 462.50 461.00 544.50 605.50 617.00 608.50 689.50 499.00 344.00 5926.50
1975 341.50 372.50 405.50 357.00 532.00 506.50 584.00 603.00 583.00 609.00 466.50 415.00 5775.50
1976 413.50 372.50 389.00 423.00 520.00 644.00 594.50 697.50 664.50 704.50 610.00 451.00 6484.00
1977 306.00 450.50 408.50 482.00 474.50 511.50 589.50 667.00 658.00 636.50 556.50 462.50 6203.00
1978 464.00 425.00 587.50 489.00 642.50 565.50 570.50 637.50 764.50 678.50 477.50 297.00 6599.00
1979 339.00 361.00 486.00 492.50 593.50 557.50 626.50 644.50 789.50 718.00 529.50 475.50 6613.00
1980 401.50 498.00 493.50 507.50 476.50 538.00 604.00 556.50 639.00 681.00 546.50 416.00 6358.00
1981 384.00 448.50 463.00 473.00 519.50 665.50 551.50 595.50 611.00 598.00 549.50 433.00 6292.00
1982 261.50 420.00 396.00 468.00 488.50 488.50 555.50 624.00 677.50 706.00 432.00 378.00 5895.50
1983 290.50 409.50 474.00 504.00 609.50 653.50 726.00 803.00 812.00 743.00 483.50 397.50 6906.00
1984 359.00 364.50 516.50 426.00 617.00 589.50 740.50 704.50 880.50 666.00 478.00 336.00 6678.00
1985 308.50 447.50 408.00 594.00 559.50 715.00 745.50 746.50 722.50 717.50 448.50 348.50 6761.50
1986 513.50 529.50 633.50 556.50 620.00 696.50 705.50 678.00 682.50 731.00 605.50 386.50 7338.50
1987 365.50 459.50 530.50 613.00 653.00 614.00 666.00 727.00 713.50 776.00 562.00 379.50 7059.50
1988 397.50 512.00 591.00 562.00 592.50 630.50 750.00 744.00 691.00 664.50 517.50 410.00 7062.50
1989 349.00 280.00 476.00 626.00 597.00 646.50 695.00 713.00 654.00 682.00 564.00 390.50 6673.00
1990 395.00 334.50 460.00 576.50 589.00 670.00 709.50 782.50 778.50 750.50 539.50 294.00 6879.50
1991 414.50 500.50 409.00 511.00 520.00 557.50 660.00 713.00 693.50 755.00 601.50 415.00 6750.50
1992 354.00 533.00 596.00 678.50 704.50 676.00 778.00 736.50 773.50 828.50 591.50 362.50 7612.50
1993 343.50 385.50 589.00 582.50 696.00 777.50 725.00 823.50 701.50 752.50 545.00 357.00 7278.50
1994 423.50 355.00 561.00 527.50 580.00 631.00 608.00 726.00 710.00 688.00 358.00 295.00 6463.00
1995 435.00 473.50 500.50 507.50 539.00 650.00 805.50 745.50 740.50 762.00 625.50 480.50 7265.00
1996 434.50 495.50 581.00 642.00 673.00 685.00 733.00 735.50 706.50 708.00 540.50 490.50 7425.00
1997 392.00 450.50 564.50 543.00 700.50 648.50 690.50 798.00 832.50 696.00 579.00 428.50 7323.50
1998 422.50 354.50 485.50 463.00 513.00 579.00 623.00 653.50 651.50 637.00 455.50 308.50 6146.50
1999 325.50 320.50 346.50 446.50 426.00 491.00 578.50 647.00 644.50 695.00 533.50 441.00 5895.50
2000 391.50 401.00 463.00 513.00 565.50 585.00 568.00 640.50 741.00 605.00 414.00 432.50 6320.00
2001 352.50 337.50 491.50 375.00 667.00 639.00 634.50 666.50 630.00 702.00 559.00 395.50 6450.00
2002 331.00 432.50 429.50 445.00 465.50 540.50 594.00 632.00 645.50 644.00 581.50 441.00 6182.00
2003 504.50 408.50 510.00 417.50 559.00 615.00 599.00 728.00 745.00 712.00 460.00 398.50 6657.00
2004 365.00 397.00 627.50 554.50 562.00 568.00 641.00 707.00 746.50 621.00 495.00 418.00 6702.50
2005 320.00 443.50 543.00 477.50 592.00 580.00 648.42 a 613.00 590.00 636.00 607.50 480.00 6530.92
2006 391.00 411.50 337.50 446.00 538.00 606.00 673.50 605.00 587.00 641.50 487.50 383.00 6107.50
2007 309.00 364.50 524.50 462.00 536.00 573.50 664.50 680.50 702.00 631.00 518.50 334.00 6300.00
2008 303.50 381.00 449.00 446.50 545.50 586.00 634.50 680.00 700.00 725.50 572.50 323.00 6347.00
2009 437.50 360.50 437.50 475.50 547.50 613.50 594.50 699.50 702.50 654.00 520.00 318.50 6361.00
2010 363.00 405.50 470.50 449.00 499.50 580.00 570.00 598.50 695.00 638.50 483.50 405.00 6158.00
2011 363.50 335.00 445.50 457.00 486.00 561.50 623.00 615.50 673.50 722.50 439.00 380.50 6102.50
2012 400.50 402.50 411.27 a 484.00 524.00 576.50 602.50 589.50 543.50 693.50 266.50 p 229.50 l 5227.77
2013 335.66 b 348.00 459.32 a 17.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.00 z 1142.97
Period of Record Statistics
MEAN 343.48 391.17 470.48 486.72 542.09 584.31 612.41 637.79 679.09 675.51 520.33 373.98 6319.98
S.D. 70.15 62.03 73.18 66.09 65.16 58.41 60.20 63.10 59.79 52.79 57.72 66.29 439.81
SKEW -0.43 0.17 0.46 0.32 0.58 0.47 0.84 0.64 0.50 0.01 -0.01 -0.06 0.76
MAX 513.50 533.00 640.00 678.50 704.50 777.50 805.50 823.50 880.50 828.50 630.00 543.50 7612.50
MIN 125.50 232.50 337.50 322.00 413.50 485.00 494.50 507.50 543.50 525.00 358.00 239.50 5545.00
NO YRS 100 100 100 99 99 99 99 99 99 99 98 98 98