PLYMOUTH, WISCONSIN

Monthly Total Growing Degree Days

(476678)

Base Temperature = 50 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1910 0.00 z 0.00 z 75.50 53.00 95.50 528.00 712.00 612.50 282.50 168.50 0.00 0.00 2527.50
1911 0.00 0.00 2.00 31.00 356.50 557.00 678.00 550.25 a 321.00 67.00 5.50 0.00 2568.25
1912 0.00 0.00 0.00 36.00 212.00 381.00 584.00 445.00 365.00 92.00 2.00 0.00 2117.00
1913 0.00 0.00 0.00 68.00 175.50 496.50 594.00 590.55 a 328.50 135.22 b 16.50 0.00 2404.77
1914 0.00 0.00 0.00 40.50 263.00 407.00 665.00 573.50 332.00 195.50 17.50 0.00 2494.00
1915 0.00 0.00 0.00 188.50 75.43 a 281.90 a 493.33 b 403.50 344.00 96.50 11.00 0.00 1894.16
1916 0.00 0.00 0.00 13.50 171.53 a 291.50 809.50 648.50 312.93 a 89.00 3.50 0.00 2339.96
1917 0.00 0.00 1.00 13.50 126.07 a 302.59 a 621.50 483.00 250.00 14.00 6.50 0.00 a 1818.15
1918 0.00 0.00 26.50 5.50 270.45 b 392.07 a 567.50 642.98 b 169.80 e 140.50 12.00 0.00 2227.30
1919 0.00 0.00 1.00 15.50 159.00 593.50 719.72 a 567.30 a 406.61 b 91.50 0.00 0.00 a 2554.12
1920 0.00 0.00 a 4.50 4.50 186.50 474.83 a 516.15 a 513.00 439.66 a 261.00 0.00 0.00 2400.13
1921 0.00 0.00 18.00 119.50 309.50 601.00 862.32 a 601.40 a 464.00 58.50 0.00 0.00 3034.22
1922 0.00 0.00 0.00 21.00 328.00 491.38 a 555.42 a 600.62 c 395.00 136.00 7.50 0.00 2534.92
1923 0.00 0.00 0.00 52.00 151.38 a 577.50 b 651.00 a 477.18 c 313.50 75.00 1.00 0.00 2298.56
1924 0.00 0.00 0.00 5.17 a 61.00 328.00 518.50 504.78 a 184.50 149.83 a 15.00 0.00 1766.79
1925 0.00 0.00 f 9.82 a 81.50 138.00 484.50 574.50 586.00 431.00 26.50 0.00 0.00 c 2331.82
1926 0.00 0.00 a 0.00 a 40.50 205.50 304.00 583.00 543.50 280.00 72.00 0.00 0.00 2028.50
1927 0.00 0.00 5.00 46.03 a 96.62 a 327.00 550.00 437.00 414.31 a 112.00 10.50 0.00 1998.46
1928 0.00 0.00 6.50 19.00 185.50 277.00 627.48 b 555.86 b 0.00 z 0.00 z 3.50 0.00 1674.84
1929 0.00 a 0.00 0.00 e 67.50 155.00 b 324.83 a 615.00 0.00 z 334.82 b 71.50 0.00 a 0.00 1568.65
1930 0.00 0.00 z 0.00 z 40.00 220.10 a 0.00 z 0.00 z 657.72 a 391.50 103.50 13.50 0.00 d 1426.32
1931 0.00 z 0.00 z 0.00 z 0.00 z 144.31 b 547.00 754.50 605.00 526.07 b 157.14 b 32.07 a 0.00 2766.09
1932 0.00 0.00 0.00 14.00 212.50 383.50 g 683.55 a 651.00 342.86 b 81.50 0.00 0.00 1985.41
1933 0.00 0.00 0.00 22.00 239.50 657.32 b 646.35 a 535.55 b 465.00 73.00 10.34 a 0.00 2649.07
1934 0.00 0.00 0.00 b 41.00 354.00 565.00 637.50 518.50 279.50 131.50 4.50 0.00 2531.50
1935 0.00 0.00 0.00 19.50 106.00 330.50 771.90 a 603.50 321.50 84.00 0.00 0.00 2236.90
1936 0.00 0.00 0.00 15.00 345.00 391.03 a 798.50 682.00 394.14 a 75.50 1.50 0.00 2702.67
1937 0.00 0.00 0.00 10.00 199.43 a 395.69 a 703.04 c 785.16 b 346.55 a 67.50 3.00 0.00 2510.37
1938 0.00 0.00 29.00 90.50 183.00 432.50 617.93 a 681.50 305.69 a 173.50 34.50 0.00 2548.12
1939 0.00 b 0.00 21.50 64.00 296.00 498.50 671.50 635.00 431.00 134.00 4.66 a 0.00 2756.16
1940 0.00 0.00 0.00 8.28 a 151.90 a 434.50 663.50 529.50 361.03 a 117.50 1.00 0.00 2267.21
1941 0.00 0.00 0.00 a 119.50 298.00 499.50 684.00 623.50 407.59 a 115.50 18.00 0.00 2765.59
1942 0.00 0.00 0.00 136.00 166.00 417.50 613.50 546.50 313.50 113.00 10.00 0.00 2316.00
1943 0.00 0.00 17.50 22.50 165.00 520.00 667.00 616.00 240.00 112.00 0.00 0.00 2360.00
1944 3.50 0.00 0.00 2.50 314.00 520.00 595.00 638.00 339.50 84.00 25.00 0.00 2521.50
1945 0.00 0.00 53.50 66.00 102.50 338.00 536.00 586.50 316.50 75.50 11.00 0.00 2085.50
1946 0.00 0.00 30.50 73.00 125.50 417.00 609.00 534.00 321.00 170.00 0.00 3.50 2283.50
1947 0.00 0.00 0.00 14.00 91.50 328.50 603.50 772.00 411.50 295.53 a 1.00 0.00 2517.53
1948 0.00 0.00 1.00 61.50 147.50 431.00 641.50 643.50 453.00 65.50 15.50 0.00 2460.00
1949 0.00 0.00 a 1.00 52.50 218.50 544.00 698.50 630.50 227.50 158.00 6.00 0.00 2536.50
1950 0.00 0.00 0.00 9.00 149.83 a 460.00 530.00 427.50 298.00 173.00 15.00 0.00 2062.33
1951 0.00 0.00 0.00 30.50 278.50 355.50 585.00 472.00 259.50 107.00 0.00 0.00 2088.00
1952 0.00 0.00 0.00 139.00 189.50 529.00 692.50 557.50 365.50 51.00 5.00 0.00 2529.00
1953 0.00 0.00 0.50 18.50 223.50 505.50 647.50 663.50 376.00 224.00 47.50 0.00 2706.50
1954 0.00 0.00 0.00 69.00 143.00 0.00 z 0.00 z 0.00 z 79.50 w 133.00 3.00 0.00 348.00
1955 0.00 0.00 0.00 86.00 281.00 448.50 777.00 756.00 374.50 136.00 0.00 0.00 2859.00
1956 0.00 0.00 0.00 7.00 190.13 a 533.00 530.00 575.00 243.50 170.50 27.50 0.00 2276.63
1957 0.00 0.00 0.00 121.50 177.50 465.50 656.00 598.82 a 309.00 54.00 0.00 0.00 2382.32
1958 0.00 0.00 0.00 67.00 222.00 319.00 576.50 640.50 352.50 126.00 21.00 0.00 2324.50
1959 0.00 0.00 0.00 33.62 a 317.23 a 528.50 605.50 721.50 401.00 42.50 0.00 0.00 2649.85
1960 0.00 0.00 0.00 93.10 a 182.00 382.00 551.50 591.50 381.50 93.50 4.66 a 0.00 2279.76
1961 0.00 0.00 0.50 10.50 155.00 480.00 609.50 615.00 427.00 117.50 6.00 0.00 2421.00
1962 0.00 0.00 0.00 77.00 328.00 420.00 508.00 577.00 243.00 147.00 0.00 0.00 2300.00
1963 0.00 0.00 13.00 53.50 152.00 494.00 659.00 530.50 307.00 290.50 6.50 0.00 2506.00
1964 0.00 0.00 0.00 44.50 322.50 485.00 656.00 514.00 294.50 92.00 49.14 a 0.00 2457.64
1965 0.00 i 0.00 0.00 15.00 276.50 291.00 i 547.50 513.50 299.50 101.50 12.00 0.00 1765.50
1966 0.00 0.00 0.00 7.50 127.50 530.50 769.00 581.00 301.00 104.50 4.00 0.00 2425.00
1967 0.00 0.00 21.00 39.50 107.00 502.00 565.00 463.50 296.00 100.00 0.50 0.00 2094.50
1968 0.00 0.00 28.50 39.50 133.50 483.50 623.50 606.00 360.50 145.50 4.00 0.00 2424.50
1969 0.00 0.00 0.00 40.00 243.50 279.00 588.00 715.00 352.50 103.50 0.00 0.00 2321.50
1970 0.00 0.00 0.00 110.00 262.50 532.50 738.00 650.00 350.00 104.00 0.00 0.00 2747.00
1971 0.00 0.00 0.00 34.50 137.00 575.50 573.50 520.00 404.00 200.00 2.50 0.00 2447.00
1972 0.00 0.00 0.00 17.00 283.50 372.00 600.50 569.50 284.50 52.50 0.00 0.00 2179.50
1973 0.00 0.00 6.00 24.00 121.00 535.00 655.00 649.00 323.00 161.00 0.00 0.00 2474.00
1974 0.00 0.00 0.00 67.00 124.50 388.00 694.50 556.50 250.00 113.00 12.50 0.00 2206.00
1975 0.00 0.00 0.00 7.00 335.50 483.00 699.50 636.50 211.00 130.20 a 75.00 0.00 2577.70
1976 0.00 0.00 22.00 79.50 143.50 573.00 683.50 576.00 333.00 94.50 0.00 0.00 2505.00
1977 0.00 0.00 3.00 173.50 434.50 420.00 724.50 504.50 332.00 35.00 27.50 0.00 2654.50
1978 0.00 0.00 5.00 12.50 263.00 444.00 549.50 619.00 470.50 70.78 a 23.00 0.00 2457.28
1979 0.00 a 0.00 0.00 39.00 171.00 419.48 a 620.50 538.00 412.50 77.50 7.00 0.00 2284.98
1980 0.00 0.00 0.00 73.50 288.00 440.50 688.50 667.00 324.00 55.00 1.50 0.00 2538.00
1981 0.00 0.00 15.00 58.50 201.00 511.00 599.50 601.00 284.00 27.00 0.00 z 0.00 2297.00
1982 0.00 0.00 0.00 41.00 345.00 314.00 674.00 526.00 313.50 132.00 0.00 9.00 2354.50
1983 0.00 0.00 1.50 24.00 79.50 504.00 785.00 711.00 405.50 117.00 7.00 0.00 a 2634.50
1984 0.00 0.00 0.00 29.50 153.00 524.00 629.50 683.00 337.00 116.50 0.50 0.00 2473.00
1985 0.00 0.00 0.00 157.00 326.00 402.50 645.50 531.00 378.50 67.50 0.50 0.00 2508.50
1986 0.00 0.00 45.50 92.00 273.00 423.50 676.00 517.00 354.50 98.50 1.50 0.00 2481.50
1987 0.00 0.00 14.50 107.00 340.50 628.00 737.50 588.50 380.50 38.50 31.00 0.00 2866.00
1988 0.00 0.00 0.00 28.00 317.00 651.00 778.00 760.00 366.72 a 58.00 0.00 0.00 z 2958.72
1989 0.00 0.00 11.50 25.50 208.00 443.50 653.50 609.00 333.00 160.50 0.00 0.00 2444.50
1990 0.00 0.00 31.50 136.00 128.50 514.00 630.50 607.50 426.50 68.00 41.50 0.00 2584.00
1991 0.00 0.00 6.00 101.50 397.50 598.50 667.00 643.00 0.00 z 99.00 3.50 0.00 2516.00
1992 0.00 0.00 z 0.00 z 0.00 z 0.00 z 356.00 452.50 449.00 258.00 62.00 0.00 0.00 1577.50
1993 0.00 0.00 0.00 15.50 177.50 354.00 606.50 633.50 193.00 49.50 0.00 0.00 2029.50
1994 0.00 0.00 1.00 54.50 215.00 504.00 579.00 490.00 386.50 95.50 6.00 0.00 2331.50
1995 0.00 0.00 14.00 0.00 154.00 556.50 654.50 739.00 255.50 120.00 0.00 0.00 2493.50
1996 0.00 0.00 0.00 29.50 115.00 431.00 537.00 567.50 318.00 93.50 0.00 0.00 2091.50
1997 0.00 0.00 1.00 38.00 56.50 465.50 559.50 456.00 320.00 141.00 6.50 0.00 2044.00
1998 0.00 0.00 42.50 33.50 322.50 467.00 669.00 628.50 467.00 92.00 15.50 8.27 a 2745.77
1999 0.00 0.00 10.00 43.50 250.00 485.50 744.00 514.50 301.00 75.00 27.50 0.00 2451.00
2000 0.00 1.00 24.50 23.00 245.00 456.00 555.00 562.50 317.00 160.00 6.00 0.00 2350.00
2001 0.00 0.00 0.00 65.50 234.00 444.83 a 672.50 677.50 288.50 79.00 32.00 7.00 2500.83
2002 0.00 0.00 0.00 97.50 135.00 513.50 742.50 614.00 453.50 66.50 6.00 0.00 2628.50
2003 0.00 0.00 19.50 60.50 147.50 391.00 626.50 648.50 341.00 93.00 1.00 0.00 2328.50
2004 0.00 0.00 15.50 63.00 159.50 393.00 552.00 449.00 450.50 99.50 9.00 0.00 2191.00
2005 0.00 0.00 13.50 88.50 195.50 686.50 850.00 664.00 474.00 137.50 9.00 0.00 3118.50
2006 0.00 0.00 2.50 60.00 224.50 429.50 718.50 628.50 280.50 53.00 10.50 0.00 2407.50
2007 0.00 0.00 39.00 50.50 265.00 510.00 610.50 609.00 395.50 210.00 0.00 0.00 2689.50
2008 0.00 0.00 a 0.00 49.00 116.00 482.50 628.27 a 547.50 349.50 67.00 26.50 0.00 2266.27
2009 0.00 0.00 6.00 43.00 202.00 417.00 487.00 529.00 341.50 12.50 6.50 0.00 2044.50
2010 0.00 0.00 6.00 75.50 297.50 495.50 703.00 679.50 283.50 114.00 1.50 0.00 2656.00
2011 0.00 0.00 0.00 18.00 146.00 401.00 746.00 621.00 280.50 110.00 0.50 0.00 2323.00
2012 0.00 0.00 107.00 30.50 289.00 539.00 813.00 587.50 305.00 9.50 t 0.00 z 0.00 z 2671.00
Period of Record Statistics
MEAN 0.04 0.01 8.31 51.20 208.65 458.23 643.38 589.00 341.40 108.50 8.99 0.27 2412.85
S.D. 0.35 0.10 16.70 39.91 82.91 90.67 83.05 79.43 69.52 52.72 12.90 1.42 248.60
SKEW 9.85 9.75 3.28 1.19 0.41 -0.01 0.31 0.06 0.09 1.11 2.35 5.25 -0.05
MAX 3.50 1.00 107.00 188.50 434.50 686.50 862.32 785.16 526.07 295.53 75.00 9.00 3118.50
MIN 0.00 0.00 0.00 0.00 56.50 277.00 452.50 403.50 169.80 12.50 0.00 0.00 1766.79
NO YRS 100 98 100 101 102 99 101 101 100 101 101 101 89