MANITOWOC, WISCONSIN

Monthly Total Growing Degree Days

(475017)

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
1893 0.00 0.00 0.00 11.00 36.50 387.00 163.00 t 425.50 297.50 10.00 t 0.00 0.00 1157.50
1894 0.00 0.00 0.00 18.00 61.00 473.00 601.92 a 475.50 348.00 24.80 a 0.00 0.00 2002.22
1895 0.00 0.00 0.00 11.50 132.50 365.50 445.00 496.00 330.00 12.50 0.00 0.00 1793.00
1896 0.00 0.00 0.00 40.50 242.00 420.00 559.00 589.50 175.00 23.00 0.00 0.00 2049.00
1897 0.00 0.00 0.00 28.50 93.00 262.50 607.50 470.50 385.00 140.50 0.00 0.00 1987.50
1898 0.00 0.00 0.00 4.50 126.00 362.00 514.50 510.50 342.00 80.50 1.50 0.00 1941.50
1899 0.00 0.00 0.00 36.00 124.00 353.50 511.50 539.50 275.50 109.00 0.00 0.00 1949.00
1900 0.00 0.00 0.00 47.50 182.00 328.00 450.50 671.00 337.00 149.00 0.00 0.00 2165.00
1901 0.00 0.00 0.00 28.50 93.00 367.00 625.50 592.00 271.50 85.50 0.50 0.00 2063.50
1902 0.00 0.00 1.50 15.50 232.00 276.11 c 590.50 453.00 147.41 a 43.50 15.00 0.00 1774.52
1903 0.00 0.00 0.00 1.50 g 107.43 b 351.50 563.00 428.00 276.50 58.00 11.50 0.00 1795.93
1904 0.00 0.00 0.00 b 5.50 143.00 330.50 498.00 397.00 251.00 75.50 6.50 0.00 1707.00
1905 0.00 a 0.00 1.00 19.50 66.00 295.00 495.50 538.00 365.50 109.50 0.00 0.00 b 1890.00
1906 0.00 a 0.00 0.00 k 10.00 52.50 m 220.00 j 528.00 619.50 433.00 73.50 0.00 0.00 k 1664.00
1907 0.00 0.00 1.00 4.00 37.00 324.00 555.00 430.50 279.00 58.38 a 0.00 a 0.00 y 1688.88
1908 0.00 d 0.00 o 0.00 32.00 201.50 409.14 a 653.00 147.50 w 441.50 52.81 d 0.00 0.00 1789.95
1909 0.00 0.00 0.00 1.50 99.50 346.00 530.50 597.00 277.00 46.50 9.50 0.00 1907.50
1910 0.00 0.00 36.00 20.50 59.00 465.50 647.00 554.00 267.00 159.50 0.00 0.00 2208.50
1911 0.00 0.00 0.00 4.50 221.50 492.00 560.67 b 484.00 311.50 58.50 f 2.50 0.00 c 2076.67
1912 0.00 a 0.00 0.00 10.50 129.50 333.50 479.50 423.50 358.50 81.00 2.50 0.00 1818.50
1913 0.00 0.00 0.00 21.50 102.82 a 386.00 500.00 552.50 315.00 109.00 12.50 0.00 1999.32
1914 0.00 0.00 0.00 3.50 208.50 347.50 598.00 528.00 273.00 183.00 18.00 0.00 2159.50
1915 0.00 0.00 0.00 119.00 47.50 242.00 452.50 388.50 314.00 87.00 7.50 0.00 1658.00
1916 0.00 0.00 0.00 1.50 126.00 245.00 711.00 605.50 253.50 52.50 2.00 0.00 1997.00
1917 0.00 0.00 0.00 2.00 89.00 221.00 551.00 426.00 202.50 21.50 2.50 0.00 1515.50
1918 0.00 0.00 8.00 0.00 153.50 318.50 470.50 603.00 193.00 124.50 6.50 0.00 1877.50
1919 0.00 0.00 0.00 6.72 a 129.00 527.50 654.50 532.00 390.00 82.50 0.00 0.00 2322.22
1920 0.00 0.00 2.50 0.00 111.00 377.00 458.50 445.00 380.00 209.00 0.00 0.00 1983.00
1921 0.00 0.00 14.50 48.00 240.50 503.00 787.00 528.00 444.50 0.00 z 0.00 0.00 2565.50
1922 0.00 0.00 0.00 10.00 179.00 440.00 543.50 560.50 380.00 125.50 9.00 0.00 2247.50
1923 0.00 0.00 0.00 26.00 82.50 404.00 553.50 485.50 283.50 64.00 2.00 0.00 1901.00
1924 0.00 0.00 a 0.00 3.00 47.50 287.50 460.00 402.50 147.00 103.50 5.50 0.00 1456.50
1925 0.00 0.00 4.00 41.50 111.00 394.00 538.50 569.50 421.50 34.50 0.00 0.00 2114.50
1926 0.00 0.00 0.00 34.50 158.50 291.00 508.00 491.50 273.00 66.50 0.00 0.00 1823.00
1927 0.00 0.00 0.00 8.50 74.00 278.50 496.00 390.00 420.50 114.00 9.00 0.00 h 1790.50
1928 0.00 0.00 a 1.50 9.50 109.00 260.69 a 566.00 543.00 231.50 91.50 2.50 0.00 1815.19
1929 0.00 0.00 0.00 42.50 114.00 287.00 583.32 a 537.00 297.00 76.50 0.00 0.00 1937.32
1930 0.00 a 1.00 3.00 9.00 146.00 474.64 b 578.67 a 616.50 346.50 79.50 11.00 0.00 2265.81
1931 0.00 0.00 0.00 a 37.50 109.02 a 455.50 750.00 560.50 484.00 145.50 20.00 0.00 2562.02
1932 0.00 0.00 0.00 5.50 137.50 456.50 615.50 619.50 298.50 78.00 0.00 0.00 2211.00
1933 0.00 0.00 0.00 6.50 150.50 552.50 672.00 514.00 431.50 79.00 0.50 0.00 2406.50
1934 0.00 a 0.00 0.00 25.50 273.00 526.50 628.50 533.50 296.00 116.00 1.50 0.00 a 2400.50
1935 0.00 0.00 0.00 9.00 128.00 319.50 757.00 632.00 330.50 80.00 0.00 0.00 2256.00
1936 0.00 0.00 0.00 9.50 280.50 381.00 739.00 626.50 429.00 77.50 a 0.00 0.00 2543.00
1937 0.00 a 0.00 a 0.00 4.66 a 183.50 416.00 696.00 706.50 340.50 71.50 3.00 0.00 2421.66
1938 0.00 a 0.00 5.50 57.00 105.00 394.00 619.50 670.00 333.00 161.50 19.50 0.00 2365.00
1939 0.00 0.00 16.50 20.50 202.50 444.00 671.00 623.00 429.00 102.00 3.00 0.00 2511.50
1940 0.00 0.00 0.00 1.00 117.00 406.00 654.00 570.00 384.50 128.00 1.00 0.00 2261.50
1941 0.00 a 0.00 0.00 80.50 262.50 525.00 a 713.00 655.50 430.00 121.50 6.50 0.00 2794.50
1942 0.00 0.00 0.00 91.00 138.00 440.50 673.50 0.00 z 336.00 119.00 2.00 0.00 1800.00
1943 0.00 0.00 14.00 22.00 117.00 522.50 703.50 643.00 242.50 113.00 0.00 0.00 2377.50
1944 0.00 0.00 0.00 0.00 251.00 470.00 650.50 653.00 348.50 93.50 24.00 0.00 2490.50
1945 0.00 0.00 22.00 23.00 80.50 356.50 536.00 623.62 a 331.00 78.50 4.50 0.00 a 2055.62
1946 0.00 0.00 25.50 79.50 119.50 391.00 635.50 544.50 310.50 139.00 5.50 2.50 2253.00
1947 0.00 0.00 0.00 6.50 72.50 278.00 617.00 732.63 a 399.50 216.00 10.50 0.00 2332.63
1948 0.00 0.00 0.00 24.50 151.50 405.00 652.00 628.00 453.00 55.80 a 9.00 0.00 2378.80
1949 0.00 a 0.00 0.00 33.50 168.50 531.50 738.50 659.00 253.50 123.50 5.00 0.00 2513.00
1950 0.00 0.00 0.00 5.50 147.00 449.00 514.50 444.50 304.50 144.00 12.41 a 0.00 2021.41
1951 0.00 0.00 0.00 27.50 253.17 d 355.50 621.50 519.77 a 276.00 87.50 0.00 0.00 a 2140.93
1952 0.00 0.00 0.00 118.50 176.00 464.00 658.00 554.50 338.79 a 43.83 b 8.50 0.00 2362.12
1953 0.00 0.00 0.00 20.50 167.50 486.50 678.00 704.00 376.00 183.50 30.00 0.00 2646.00
1954 0.00 0.00 0.00 46.00 129.00 469.50 626.50 585.00 385.00 126.50 3.50 0.00 2371.00
1955 0.00 0.00 0.00 71.00 244.00 438.00 772.00 789.00 360.50 120.50 0.00 0.00 2795.00
1956 0.00 0.00 a 0.00 0.52 a 139.50 502.50 535.00 588.50 254.00 146.00 29.50 0.00 2195.52
1957 0.00 0.00 0.00 77.00 142.08 a 433.50 650.00 615.00 326.50 74.00 1.00 0.00 2319.08
1958 0.00 0.00 0.00 64.00 227.00 335.50 586.00 626.50 343.00 86.00 20.50 0.00 2288.50
1959 0.00 0.00 0.00 36.00 241.50 504.83 a 618.00 736.00 402.50 67.00 0.00 0.00 2605.83
1960 0.00 0.00 0.00 52.50 133.00 380.00 530.00 575.50 386.00 77.50 0.00 0.00 2134.50
1961 0.00 0.00 0.00 9.50 86.50 420.00 559.50 583.00 400.50 111.50 2.50 0.00 2173.00
1962 0.00 0.00 0.00 65.00 245.00 377.00 514.50 558.50 258.50 153.50 0.00 0.00 2172.00
1963 0.00 0.00 6.50 31.03 a 125.50 412.50 605.00 501.00 301.00 256.50 4.50 0.00 2243.53
1964 0.00 0.00 0.00 29.00 248.00 448.50 649.50 497.55 a 287.50 75.00 35.50 0.00 2270.55
1965 0.00 0.00 0.00 16.00 182.50 352.50 533.50 537.00 289.50 83.00 11.38 a 0.00 2005.38
1966 0.00 0.00 0.00 9.00 143.00 477.00 706.50 560.00 324.50 81.00 0.00 0.00 2301.00
1967 0.00 0.00 2.50 23.00 83.00 427.50 524.50 456.00 319.50 97.00 1.00 0.00 1934.00
1968 0.00 0.00 14.50 22.50 94.00 413.50 567.50 575.50 369.00 103.50 3.00 0.00 2163.00
1969 0.00 0.00 0.00 12.50 o 172.00 230.00 573.50 a 656.00 277.50 80.60 a 0.00 0.00 1989.60
1970 0.00 0.00 0.00 44.50 172.50 449.50 670.50 638.00 338.00 66.50 0.00 0.00 2379.50
1971 0.00 0.00 c 0.00 6.00 107.43 b 511.50 546.50 516.67 a 380.50 186.50 1.50 0.00 a 2256.60
1972 0.00 0.00 b 0.00 3.00 230.00 325.50 578.15 a 522.00 272.50 54.25 a 0.00 0.00 z 1985.40
1973 0.00 b 0.00 0.00 8.00 76.47 a 497.50 658.23 a 657.95 b 333.00 174.50 0.00 0.00 b 2405.65
1974 0.00 0.00 b 0.00 36.43 b 124.52 a 354.50 0.00 z 542.00 240.00 a 64.58 a 8.00 0.00 b 1370.03
1975 0.00 a 0.00 a 0.00 a 3.00 271.77 a 448.50 681.50 613.44 e 229.44 c 115.73 a 46.00 0.00 2409.39
1976 0.00 a 0.00 a 0.00 30.00 110.50 530.50 672.50 567.09 b 308.89 c 63.60 b 0.00 0.00 a 2283.08
1977 0.00 0.00 0.00 83.00 353.50 363.50 644.50 463.45 a 330.00 43.06 d 26.00 0.00 e 2307.01
1978 0.00 b 0.00 0.00 3.10 a 230.84 c 365.19 d 508.29 b 568.33 a 453.00 64.50 24.50 0.00 2217.76
1979 0.00 0.00 0.00 b 8.50 84.98 b 366.00 602.50 528.55 a 379.50 63.50 0.00 d 0.00 2033.53
1980 0.00 0.00 0.00 55.18 b 253.50 384.00 631.37 a 614.83 a 336.96 b 51.50 1.03 a 0.00 2328.38
1981 0.00 0.00 0.50 21.50 137.95 a 423.21 b 601.50 572.00 298.00 19.78 b 7.00 0.00 2081.44
1982 0.00 0.00 0.00 27.50 211.50 270.00 581.00 520.00 258.00 94.50 0.00 1.50 1964.00
1983 0.00 0.00 0.00 6.50 k 0.00 z 454.50 726.50 667.00 358.00 99.00 4.50 0.00 2309.50
1984 0.00 0.00 0.00 8.00 109.50 451.00 607.00 656.50 283.50 93.50 0.00 0.00 2209.00
1985 0.00 a 0.00 0.00 60.50 239.50 338.00 598.00 514.00 333.00 50.50 0.50 0.00 2134.00
1986 0.00 0.00 23.50 40.50 231.00 363.50 625.00 496.50 319.00 78.50 0.00 0.00 z 2177.50
1987 0.00 0.00 6.00 56.50 253.00 573.00 0.00 z 578.50 356.00 33.50 19.00 0.00 a 1875.50
1988 0.00 0.00 0.00 0.00 z 266.00 580.00 690.50 682.50 355.50 47.50 0.00 0.00 2622.00
1989 0.00 0.00 1.00 4.50 139.00 376.00 614.00 588.50 304.00 81.50 0.00 0.00 2108.50
1990 0.00 0.00 0.00 z 70.00 102.50 395.00 573.50 534.00 397.00 56.50 25.50 0.00 2154.00
1991 0.00 0.00 4.00 50.50 307.00 534.50 616.00 617.00 325.00 45.50 0.00 0.00 2499.50
1992 0.00 0.00 0.00 0.50 173.00 321.00 464.50 443.50 0.00 z 70.50 0.00 0.00 1473.00
1993 0.00 0.00 0.00 0.00 z 109.50 334.50 588.00 639.00 202.00 54.00 0.00 0.00 1927.00
1994 0.00 0.00 0.50 63.00 157.50 441.50 569.00 471.00 411.00 88.50 1.00 0.00 2203.00
1995 0.00 0.00 1.00 0.50 129.00 534.00 657.50 730.50 293.00 98.50 0.00 0.00 2444.00
1996 0.00 0.00 0.00 13.50 107.00 378.00 518.00 587.50 334.00 81.50 0.00 0.00 2019.50
1997 0.00 0.00 0.00 15.50 45.50 438.00 563.00 495.00 353.00 130.00 0.00 0.00 2040.00
1998 0.00 0.00 11.50 15.00 339.00 447.00 653.00 613.00 484.50 95.00 1.00 5.00 2664.00
1999 0.00 0.00 1.50 14.50 227.16 b 472.76 a 751.50 573.00 332.07 a 74.00 30.00 a 0.00 a 2476.48
2000 0.00 a 0.00 12.92 a 2.59 a 182.50 412.00 560.77 c 578.09 d 336.43 b 115.39 d 8.57 b 0.00 a 2209.25
2001 0.00 0.00 a 0.00 a 56.38 a 212.19 b 425.40 e 656.34 b 681.43 d 306.00 79.00 i 6.92 d 4.65 a 2349.31
2002 0.00 0.00 0.00 67.50 95.00 443.50 734.00 570.50 418.50 64.00 3.50 0.00 2396.50
2003 0.00 0.00 2.00 36.50 50.93 c 344.00 583.83 d 638.00 333.00 73.50 0.00 0.00 c 2061.76
2004 0.00 0.00 4.50 76.15 d 113.50 353.50 511.00 458.50 411.50 95.00 7.50 0.00 2031.15
2005 0.00 d 0.00 0.00 20.00 144.50 567.00 673.00 663.50 487.00 142.00 2.00 0.00 2699.00
2006 0.00 0.00 0.00 56.50 227.50 489.50 735.50 630.50 324.00 67.50 10.50 0.00 2541.50
2007 0.00 0.00 38.23 a 56.00 272.50 551.50 649.50 670.50 449.50 241.00 2.00 0.00 2930.73
2008 0.00 0.00 0.00 42.50 134.00 492.50 650.50 606.00 413.50 93.00 29.00 0.00 2461.00
2009 0.00 0.00 6.50 38.00 104.00 359.00 492.00 455.00 370.00 13.50 14.50 0.00 1852.50
2010 0.00 0.00 3.50 47.50 240.00 442.50 647.00 662.00 265.50 134.00 3.50 0.00 2445.50
2011 0.00 0.00 0.00 6.50 74.50 337.50 666.50 631.50 320.00 89.50 1.00 0.00 2127.00
2012 0.00 0.00 16.53 a 9.00 210.50 443.50 736.00 583.00 328.00 33.00 i 0.00 z 0.00 z 2326.53
Period of Record Statistics
MEAN 0.00 0.01 2.66 28.31 155.97 405.53 603.93 566.07 332.25 93.68 5.89 0.12 2200.27
S.D. 0.00 0.09 6.79 26.13 69.59 82.04 80.25 83.16 69.14 45.58 9.04 0.69 273.36
SKEW 0.00 10.77 3.32 1.18 0.53 -0.04 0.07 -0.05 -0.09 1.04 2.02 6.14 -0.03
MAX 0.00 1.00 38.23 119.00 353.50 580.00 787.00 789.00 487.00 256.50 46.00 5.00 2930.73
MIN 0.00 0.00 0.00 0.00 36.50 221.00 445.00 388.50 147.00 12.50 0.00 0.00 1456.50
NO YRS 120 119 118 115 118 119 117 118 119 115 119 114 99