MADISON SEWAGE PLT, MINNESOTA

Monthly Total Growing Degree Days

(214994)

Base Temperature = 50 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1940 0.00 z 0.00 z 0.00 z 0.00 z 289.50 564.00 816.00 580.50 494.00 198.50 0.00 0.00 2942.50
1941 0.00 0.00 0.00 110.50 422.00 545.50 774.50 669.50 413.00 98.00 1.00 0.00 3034.00
1942 0.00 0.00 0.00 144.50 161.00 417.50 644.50 616.50 258.00 128.00 0.00 0.00 2370.00
1943 0.00 z 0.00 z 0.00 z 0.00 z 158.00 t 595.00 818.00 0.00 z 290.50 140.00 0.00 0.00 1843.50
1944 0.00 0.00 0.00 13.50 404.50 579.50 673.00 646.50 342.00 116.00 14.50 0.00 2789.50
1945 0.00 0.00 38.50 30.00 156.00 364.50 637.00 648.50 293.50 102.50 0.00 0.00 2270.50
1946 0.00 0.00 40.00 141.00 193.00 538.00 713.00 566.50 305.00 76.50 0.00 0.00 2573.00
1947 0.00 0.00 1.00 45.50 146.00 415.00 692.50 849.50 398.00 281.00 0.00 0.00 2828.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 667.50 494.00 86.50 4.00 0.00 1252.00
1949 0.00 0.00 0.00 84.00 392.50 611.50 761.50 769.50 268.00 129.50 2.50 0.00 3019.00
1950 0.00 0.00 0.00 7.50 205.50 578.50 607.50 530.00 389.50 127.62 a 3.50 0.00 2449.62
1951 0.00 0.00 0.00 56.00 337.00 387.50 670.50 566.00 242.50 138.00 0.00 0.00 2397.50
1952 0.00 0.00 0.00 153.00 268.50 589.50 731.50 629.00 474.81 d 53.00 0.00 0.00 2899.31
1953 0.00 0.00 0.00 28.50 293.50 586.00 709.00 729.50 362.50 261.50 21.00 0.00 a 2991.50
1954 0.00 0.00 0.00 59.50 185.50 564.50 745.00 624.00 310.00 66.50 7.50 0.00 2562.50
1955 0.00 0.00 0.00 136.00 435.00 495.50 834.00 755.50 352.50 151.50 0.00 0.00 3160.00
1956 0.00 0.00 0.00 4.00 295.00 692.50 613.50 640.00 286.00 241.50 0.00 b 0.00 2772.50
1957 0.00 0.00 0.00 107.50 216.00 486.00 851.50 631.50 279.50 89.90 a 0.00 0.00 2661.90
1958 0.00 0.00 0.00 59.00 389.00 401.00 621.00 716.00 417.50 154.50 0.00 0.00 2758.00
1959 0.00 0.00 0.00 49.50 302.00 651.50 729.00 771.00 372.50 25.83 a 0.00 a 0.00 2901.33
1960 0.00 0.00 0.00 65.00 273.50 472.50 768.50 708.50 411.50 147.00 0.54 b 0.00 2847.04
1961 0.00 0.00 6.50 19.14 a 209.50 612.00 647.00 762.00 314.00 135.50 1.00 0.00 2706.64
1962 0.00 0.00 0.00 a 73.50 316.50 536.00 627.23 a 692.00 284.00 164.50 0.00 a 2.00 2695.73
1963 0.00 0.00 31.00 88.50 271.00 609.50 696.50 629.00 420.50 341.50 0.00 0.00 3087.50
1964 0.00 0.00 0.00 103.50 395.00 577.00 810.50 561.00 295.00 122.50 35.36 b 0.00 z 2899.86
1965 0.00 b 0.00 0.00 38.50 319.50 528.00 684.00 617.00 136.50 141.00 19.50 0.00 2484.00
1966 0.00 0.00 7.50 9.50 236.50 548.00 817.50 554.00 313.00 105.00 0.00 0.00 2591.00
1967 0.00 a 0.00 32.00 55.50 199.50 499.50 624.00 567.50 349.00 100.48 b 4.50 0.00 2431.98
1968 0.00 0.00 72.50 82.50 168.00 558.50 652.50 662.50 322.00 116.50 4.50 0.00 2639.50
1969 0.00 0.00 0.00 11.00 j 337.50 334.00 681.50 720.75 a 355.50 75.50 7.50 0.00 2512.25
1970 0.00 0.00 0.00 78.00 308.50 604.50 728.50 678.00 366.00 105.50 0.00 0.00 2869.00
1971 0.00 0.00 4.00 58.00 192.00 621.00 557.00 615.00 346.00 126.00 0.00 0.00 2519.00
1972 0.00 b 0.00 0.00 20.00 340.50 545.00 634.50 643.00 302.50 95.50 0.00 0.00 2581.00
1973 0.00 0.00 2.50 53.00 258.50 603.00 698.50 721.50 308.50 217.50 1.00 0.00 2864.00
1974 0.00 0.00 0.00 73.50 200.50 528.50 805.50 512.00 176.00 j 116.50 0.00 0.00 2236.50
1975 0.00 0.00 0.00 0.00 288.50 487.50 815.50 651.00 242.00 145.00 27.50 0.00 2657.00
1976 0.00 0.00 12.00 114.50 305.50 651.50 863.87 a 810.00 398.50 101.50 3.00 0.00 b 3260.37
1977 0.00 0.00 b 8.50 204.00 524.50 586.67 c 801.00 499.00 365.50 53.50 7.76 a 0.00 j 3050.43
1978 0.00 0.00 2.50 28.00 339.00 538.00 699.00 672.00 511.50 117.00 33.50 0.00 2940.50
1979 0.00 0.00 0.00 28.50 193.00 508.00 643.00 0.00 z 0.00 z 33.21 c 0.00 0.00 1405.71
1980 0.00 0.00 0.00 0.00 z 350.00 520.00 691.00 595.50 317.50 118.50 2.00 0.00 2594.50
1981 0.00 0.00 9.50 101.50 265.64 b 487.50 682.00 634.50 354.50 62.00 b 12.00 0.00 2609.14
1982 0.00 0.00 0.00 70.00 355.50 401.00 750.50 601.50 328.00 62.00 0.00 0.00 2568.50
1983 0.00 0.00 0.00 29.50 160.00 542.00 852.50 791.50 381.50 37.50 1.00 0.00 2795.50
1984 0.00 0.00 0.00 42.50 267.00 561.50 725.50 743.00 274.50 160.50 0.50 0.00 2775.00
1985 0.00 0.00 1.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.00
1986 0.00 0.00 0.00 z 52.00 321.00 635.00 753.50 0.00 z 293.50 76.50 0.00 0.00 2131.50
1987 0.00 0.00 12.50 221.50 481.50 721.00 801.00 617.00 0.00 z 0.00 z 0.00 z 0.00 2854.50
1988 0.00 0.00 0.00 97.00 502.50 797.40 e 891.77 a 811.50 0.00 z 0.00 z 0.00 0.00 3100.17
1989 0.00 0.00 a 0.00 88.00 372.00 593.28 a 850.50 717.50 412.00 184.00 0.00 0.00 3217.28
1990 0.00 0.00 5.00 156.00 279.50 663.00 683.00 671.50 477.00 112.00 28.00 0.00 3075.00
1991 0.00 0.00 0.00 115.00 437.50 673.00 686.00 675.00 348.50 119.50 0.00 0.00 3054.50
1992 0.00 0.00 1.50 59.50 385.00 454.00 462.50 489.50 327.00 127.00 0.00 0.00 2306.00
1993 0.00 0.00 0.00 26.50 247.00 437.00 615.50 624.50 210.00 99.50 0.00 0.00 2260.00
1994 0.00 0.00 0.00 64.50 422.00 590.50 607.00 546.50 416.50 127.00 11.50 0.00 2785.50
1995 0.00 0.00 6.00 0.00 228.00 699.00 763.00 743.00 378.00 99.50 0.00 0.00 2916.50
1996 0.00 0.00 0.00 25.50 239.00 666.50 707.50 0.00 z 0.00 z 143.00 0.00 z 0.00 1781.50
1997 0.00 0.00 0.00 42.50 231.00 692.00 700.50 594.50 436.50 211.00 0.00 0.00 2908.00
1998 0.00 0.00 1.00 86.00 468.50 478.00 695.50 671.00 531.50 98.00 0.00 0.00 3029.50
1999 0.00 0.00 15.00 55.00 326.00 554.00 753.50 614.50 273.00 65.50 35.00 0.00 2691.50
2000 0.00 0.00 13.50 41.50 277.00 426.00 634.00 592.50 275.00 103.50 7.00 0.00 2370.00
2001 0.00 0.00 0.00 65.50 282.50 506.00 697.50 645.00 288.50 44.50 28.00 0.00 2557.50
2002 0.00 0.00 0.00 0.00 z 175.50 609.00 0.00 z 0.00 z 393.50 18.00 0.00 0.00 1196.00
2003 0.00 0.00 8.00 106.50 197.00 527.00 721.50 737.50 0.00 z 132.00 0.00 z 0.00 2429.50
2004 0.00 0.00 6.20 a 97.50 197.00 0.00 z 611.00 409.50 427.00 84.00 2.50 0.00 1834.70
2005 0.00 0.00 0.00 z 114.00 0.00 z 618.50 706.50 588.00 461.50 108.00 5.00 0.00 2601.50
2006 0.00 0.00 1.50 107.50 316.50 554.00 770.50 648.50 255.50 100.00 14.00 0.00 2768.00
2007 0.00 0.00 8.50 88.50 414.50 612.00 732.50 562.00 396.50 128.00 0.50 0.00 2943.00
2008 0.00 0.00 0.00 25.00 206.50 489.50 709.50 639.00 367.50 62.50 22.00 0.00 2521.50
2009 0.00 0.00 0.50 39.00 258.50 462.00 539.00 540.00 412.50 5.00 3.00 0.00 2259.50
2010 0.00 0.00 13.00 121.00 304.50 538.00 713.00 713.00 253.50 130.00 7.00 0.00 2793.00
2011 0.00 0.00 b 0.00 20.00 244.50 520.56 c 838.50 642.00 329.50 181.50 0.00 0.00 2776.56
2012 0.00 0.00 93.00 79.00 375.00 626.50 857.00 598.50 318.50 57.50 0.00 0.00 3005.00
2013 0.00 0.00 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 6.58 70.61 295.02 552.38 715.73 646.87 348.84 118.35 5.49 0.03 2738.16
S.D. 0.00 0.00 15.99 47.03 91.61 89.07 85.21 84.11 76.94 59.74 9.58 0.24 253.29
SKEW 0.00 0.00 3.70 0.87 0.46 -0.07 -0.16 0.01 0.16 1.14 1.93 8.19 -0.08
MAX 0.00 0.00 93.00 221.50 524.50 797.40 891.77 849.50 531.50 341.50 35.36 2.00 3260.37
MIN 0.00 0.00 0.00 0.00 146.00 334.00 462.50 409.50 136.50 5.00 0.00 0.00 2259.50
NO YRS 71 71 69 66 69 70 70 67 66 70 69 70 55