MADISON SEWAGE PLT, MINNESOTA

Monthly Total Growing Degree Days

(214994)

Base Temperature = 40 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 583.00 864.00 1126.00 890.50 788.00 483.50 26.50 0.00 4761.50
1941 0.00 0.00 9.00 316.50 719.00 845.50 1084.50 979.50 702.00 344.50 35.50 5.50 5041.50
1942 2.50 0.00 22.50 349.50 416.00 717.50 954.50 926.50 489.50 330.00 40.50 0.00 4249.00
1943 0.00 z 0.00 z 0.00 z 0.00 z 257.50 t 895.00 1128.00 0.00 z 589.50 336.50 4.50 0.00 2953.50
1944 11.00 0.00 1.50 114.00 681.50 879.50 983.00 956.50 642.00 370.00 72.50 0.00 4711.50
1945 0.00 0.00 181.50 149.00 407.00 658.00 947.00 958.50 575.50 303.00 6.00 0.00 4185.50
1946 0.00 0.00 134.00 360.00 456.50 832.00 1023.00 876.50 592.50 270.00 14.50 1.50 4560.50
1947 3.50 0.00 16.50 131.50 412.00 715.00 1002.50 1159.50 670.50 546.00 36.00 0.00 4693.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 977.50 794.00 341.50 51.50 0.00 2164.50
1949 0.50 0.00 4.50 261.00 696.50 911.50 1071.50 1079.50 558.50 353.50 75.00 0.00 5012.00
1950 0.00 0.00 7.00 64.50 445.00 878.50 917.50 840.00 689.50 377.17 a 34.50 0.00 4253.67
1951 0.00 1.50 0.00 127.50 647.00 687.00 980.50 876.00 507.50 304.50 15.50 0.00 4147.00
1952 0.00 0.00 0.00 319.50 569.00 889.50 1041.50 939.00 771.92 d 232.00 48.00 0.00 4810.42
1953 0.00 0.00 27.50 105.50 553.50 886.00 1019.00 1039.50 662.50 518.00 102.50 0.00 a 4914.00
1954 0.00 6.00 0.50 253.00 424.00 864.50 1055.00 934.00 606.50 245.00 93.50 0.00 4482.00
1955 0.00 0.00 21.50 402.00 741.00 795.50 1144.00 1065.50 637.00 368.00 6.50 0.00 5181.00
1956 0.00 0.00 4.00 71.50 577.50 992.50 923.50 950.00 575.00 517.00 27.86 b 0.50 4639.36
1957 0.00 0.00 10.50 261.00 512.00 786.00 1161.50 941.50 574.00 282.62 a 24.50 0.00 4553.62
1958 0.00 13.50 14.00 217.50 695.00 701.00 931.00 1026.00 711.50 385.50 67.00 0.00 4762.00
1959 0.00 0.00 30.00 208.00 585.50 951.50 1039.00 1081.00 648.50 148.80 a 6.21 a 5.00 4703.51
1960 0.00 0.00 1.00 196.00 563.50 772.50 1078.50 1018.50 704.00 374.00 44.46 b 0.00 4752.46
1961 0.00 9.50 43.50 103.45 a 482.50 912.00 957.00 1072.00 600.00 345.50 19.50 0.00 4544.95
1962 0.00 1.00 0.00 a 200.50 621.50 832.50 937.23 a 1002.00 579.50 413.50 58.97 a 35.00 4681.70
1963 0.00 0.00 113.50 276.50 551.00 909.50 1006.50 939.00 720.50 625.00 62.50 0.00 5204.00
1964 0.00 0.50 4.00 270.50 704.50 877.00 1120.50 871.00 585.50 345.50 147.32 b 0.00 z 4926.32
1965 0.00 b 0.00 0.00 174.50 614.50 828.00 994.00 927.00 381.50 413.00 69.00 2.00 4403.50
1966 0.00 0.00 70.00 97.00 474.00 848.00 1127.50 864.00 603.50 320.50 5.50 0.00 4410.00
1967 0.00 a 0.00 97.00 227.50 442.00 799.50 934.00 877.50 636.00 282.74 b 58.00 0.00 4354.24
1968 0.00 0.00 217.50 280.50 452.50 858.50 962.50 972.50 620.00 332.50 45.50 0.00 4742.00
1969 0.00 0.00 0.00 100.50 j 638.50 633.50 991.50 1030.75 a 653.00 205.00 65.50 4.50 4222.25
1970 0.00 0.00 0.00 194.00 599.00 904.50 1038.50 988.00 654.50 294.00 6.00 0.00 4678.50
1971 0.00 0.00 38.50 254.50 479.50 921.00 867.00 925.00 638.00 366.00 13.00 0.00 4502.50
1972 0.00 b 0.00 15.50 141.00 634.00 845.00 944.50 953.00 591.50 253.50 7.00 0.00 4385.00
1973 0.00 0.00 52.00 179.50 540.50 903.00 1008.50 1031.50 602.00 482.50 31.00 0.00 4830.50
1974 0.00 0.00 1.00 243.00 482.50 828.50 1115.50 822.00 364.50 j 358.00 24.00 0.00 3874.50
1975 0.00 0.00 17.00 88.00 589.00 787.50 1125.50 961.00 537.00 373.00 110.00 0.00 4588.00
1976 0.00 11.00 92.50 348.00 585.50 951.50 1173.87 a 1120.00 689.00 229.00 26.50 0.00 b 5226.87
1977 0.00 1.08 b 50.50 433.00 834.50 886.67 c 1111.00 809.00 665.50 272.00 67.76 a 0.00 j 5131.00
1978 0.00 0.00 34.00 154.50 643.00 838.00 1009.00 982.00 811.50 356.50 108.00 0.00 4936.50
1979 0.00 0.00 0.00 122.00 439.50 808.00 953.00 0.00 z 0.00 z 218.11 c 21.50 1.50 2563.61
1980 0.00 0.00 5.50 0.00 z 644.50 820.00 1001.00 905.50 615.00 280.50 59.50 0.00 4331.50
1981 7.00 40.00 92.00 344.00 558.53 b 787.50 992.00 944.50 653.00 288.09 b 131.50 0.00 4838.12
1982 0.00 0.00 15.00 229.50 664.00 701.00 1060.50 911.50 626.00 298.00 3.50 8.50 4517.50
1983 0.00 9.00 24.50 148.00 457.00 842.00 1162.50 1101.50 665.00 260.00 47.50 0.00 4717.00
1984 0.00 1.50 0.50 220.50 557.00 861.50 1035.50 1053.00 530.50 370.50 48.50 0.00 4679.00
1985 0.00 1.00 53.00 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 54.00
1986 0.00 0.00 0.00 z 250.00 622.50 935.00 1063.50 0.00 z 593.50 302.50 14.00 0.00 3781.00
1987 2.00 4.00 72.50 478.00 784.50 1021.00 1111.00 927.00 0.00 z 0.00 z 0.00 z 0.00 4400.00
1988 0.00 0.00 40.00 295.00 812.50 1097.40 e 1201.77 a 1121.50 0.00 z 0.00 z 34.00 1.50 4603.67
1989 0.00 0.00 a 25.00 259.50 669.00 893.28 a 1160.50 1027.50 702.00 402.00 15.50 0.00 5154.28
1990 2.50 5.50 62.00 304.50 572.50 963.00 993.00 981.50 774.50 314.00 95.00 9.50 5077.50
1991 0.00 24.00 28.50 311.00 700.50 973.00 996.00 985.00 634.00 313.00 11.00 0.00 4976.00
1992 0.00 4.00 48.00 157.00 686.00 754.00 772.50 799.50 623.00 313.50 0.00 0.00 4157.50
1993 0.00 0.00 25.50 147.50 552.50 736.00 925.50 934.50 495.50 301.50 7.00 0.00 4125.50
1994 0.00 0.00 27.50 240.00 715.00 890.50 917.00 856.50 716.50 381.00 70.50 3.50 4818.00
1995 0.00 0.00 88.00 91.50 531.00 999.00 1073.00 1053.00 664.50 301.50 1.50 0.00 4803.00
1996 0.00 0.00 14.50 139.50 513.50 966.50 1017.50 0.00 z 0.00 z 381.50 0.00 z 0.00 3033.00
1997 0.00 0.00 11.00 215.00 513.50 992.00 1010.50 904.50 735.50 414.50 6.50 0.00 4803.00
1998 1.00 17.00 33.00 303.50 778.50 778.00 1005.50 981.00 831.50 352.50 38.00 21.50 5141.00
1999 0.00 4.00 61.00 254.00 631.50 854.00 1063.50 924.50 562.00 256.00 124.00 2.00 4736.50
2000 0.00 20.50 100.50 167.50 579.00 725.50 944.00 902.50 543.50 321.00 42.50 0.00 4346.50
2001 0.00 0.00 0.00 174.00 580.00 806.00 1007.50 955.00 577.00 224.00 162.00 0.00 4485.50
2002 0.00 0.00 0.00 0.00 z 414.00 909.00 0.00 z 0.00 z 676.50 74.50 2.00 0.00 2076.00
2003 4.50 0.00 70.50 289.00 489.00 827.00 1031.50 1047.50 0.00 z 321.00 0.00 z 0.00 4080.00
2004 0.00 0.00 68.20 a 274.50 458.50 0.00 z 921.00 719.00 727.00 294.50 51.50 0.00 3514.20
2005 0.00 4.50 0.00 z 316.50 0.00 z 918.50 1016.50 898.00 755.00 302.50 60.50 0.00 4272.00
2006 0.00 0.00 22.00 317.00 609.00 854.00 1080.50 958.50 536.00 232.00 65.50 1.50 4676.00
2007 0.00 0.00 77.00 241.00 722.00 912.00 1042.50 872.00 682.50 378.00 44.00 0.00 4971.00
2008 0.00 0.00 2.00 132.00 486.50 789.50 1019.50 949.00 665.00 266.00 76.50 0.00 4386.00
2009 0.00 0.00 37.50 173.50 544.50 762.00 849.00 850.00 710.50 113.50 84.00 0.00 4124.50
2010 0.00 0.00 42.00 384.50 566.00 838.00 1023.00 1023.00 553.50 367.00 60.50 0.00 4857.50
2011 0.00 0.00 b 0.00 143.00 511.00 820.56 c 1148.50 952.00 622.50 383.50 39.50 3.00 4623.56
2012 8.50 0.00 266.00 295.50 685.00 926.50 1167.00 908.50 603.00 195.50 37.50 2.00 5095.00
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 0.61 2.52 39.78 227.14 581.17 852.11 1025.73 956.86 638.37 327.44 46.57 1.55 4677.27
S.D. 1.95 6.60 51.36 92.68 105.42 89.36 85.21 84.13 83.75 92.55 37.08 5.11 298.62
SKEW 3.80 3.66 2.28 0.35 0.29 -0.08 -0.16 0.01 -0.06 0.34 1.00 5.06 -0.08
MAX 11.00 40.00 266.00 478.00 834.50 1097.40 1201.77 1159.50 831.50 625.00 162.00 35.00 5226.87
MIN 0.00 0.00 0.00 64.50 407.00 633.50 772.50 719.00 381.50 74.50 0.00 0.00 4124.50
NO YRS 71 71 69 66 69 70 70 67 66 70 69 70 55