MILFORD 4 NW, IOWA

Monthly Total Growing Degree Days

(135493)

Base Temperature = 40 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1919 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 224.50 12.00 0.00 236.50
1920 0.00 0.00 74.50 89.00 543.50 854.50 927.50 828.00 707.50 467.00 14.00 0.00 4505.50
1921 0.00 8.50 83.00 315.00 604.50 981.50 1077.00 888.50 693.50 291.50 f 10.50 4.00 4666.00
1922 0.00 0.00 a 17.50 194.00 644.00 896.00 880.00 980.12 a 763.00 401.50 77.50 0.00 4853.62
1923 0.00 0.00 14.00 217.50 534.50 849.00 1059.34 b 839.00 636.96 b 253.00 33.50 2.50 4439.31
1924 0.00 1.50 0.00 215.69 a 325.50 711.50 879.00 909.50 505.00 483.00 63.10 a 0.00 4093.79
1925 0.00 0.00 148.80 a 427.50 471.00 804.00 946.00 0.00 z 0.00 z 111.00 25.50 0.00 2933.80
1926 0.00 0.00 38.00 232.50 700.50 763.00 1201.50 0.00 z 370.50 h 295.50 18.50 0.00 3249.50
1927 0.00 0.00 34.00 202.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 236.00
1928 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 z 0.00 z 0.00 z 0.00
1929 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 z 0.00 z 0.00 z 0.00
1930 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 z 0.00 z 0.00 z 0.00
1931 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 z 0.00 z 0.00 z 0.00
1932 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 z 0.00 z 0.00 z 0.00
1933 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 z 0.00 z 0.00 z 0.00
1934 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 z 0.00 z 0.00 z 0.00
1935 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 z 0.00 z 0.00 z 0.00
1936 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 z 0.00 z 0.00 z 0.00
1937 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 z 0.00 z 0.00 z 0.00
1938 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 z 0.00 z 0.00 z 0.00
1939 0.00 z 0.00 z 0.00 z 0.00 z 774.50 859.50 1061.00 0.00 z 0.00 z 0.00 z 11.50 m 54.00 2749.00
1940 0.00 0.00 11.50 147.00 0.00 z 833.79 a 1073.50 863.50 0.00 z 0.00 z 0.00 z 0.00 z 2929.29
1941 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 z 0.00 z 0.00 z 0.00
1942 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 z 0.00 z 0.00 z 0.00
1943 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 z 0.00 z 0.00 z 0.00
1944 0.00 z 0.00 0.00 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 0.00
1945 0.00 0.00 179.00 194.50 392.50 653.00 953.00 961.00 627.00 342.50 51.50 0.00 4354.00
1946 0.00 0.00 195.00 364.00 452.00 828.00 1021.50 879.50 628.00 346.00 12.00 6.50 4732.50
1947 2.50 0.00 12.50 128.00 413.00 670.50 947.00 1192.50 755.50 573.50 38.50 0.00 4733.50
1948 0.00 z 0.00 z 0.00 z 363.00 534.23 a 781.50 1040.00 1020.00 832.50 322.00 66.00 0.00 4959.23
1949 0.00 0.00 6.00 243.00 670.00 905.50 1085.00 1003.37 a 541.55 a 410.00 101.50 0.00 a 4965.92
1950 0.00 0.00 15.50 d 86.50 496.00 852.69 d 858.00 811.50 642.00 434.00 37.00 0.00 4233.19
1951 0.00 6.50 0.00 f 103.00 601.92 a 671.00 909.00 865.50 497.50 315.00 24.00 8.50 4001.92
1952 0.00 b 0.00 11.50 295.50 523.50 934.50 976.00 854.50 671.50 206.00 87.93 a 0.00 4560.93
1953 0.00 0.00 37.50 94.00 538.50 890.50 966.50 942.50 647.68 b 489.00 108.00 0.00 4714.18
1954 0.00 a 20.22 a 9.00 310.00 411.50 886.50 1056.00 934.43 c 671.50 196.00 f 107.50 0.00 4406.65
1955 0.00 0.00 39.00 412.00 699.50 768.50 1190.50 1143.50 723.00 354.50 9.00 0.00 5339.50
1956 0.00 a 0.00 5.50 101.50 596.50 1024.50 923.00 939.50 624.50 519.50 57.00 0.00 4791.50
1957 0.00 1.50 9.62 b 278.50 501.50 784.50 1150.00 937.00 565.50 278.47 b 8.28 a 0.00 4514.86
1958 0.00 11.50 10.50 206.50 654.74 b 716.50 914.50 1037.50 726.50 455.59 c 74.50 0.00 4808.33
1959 0.00 0.00 20.50 248.00 631.00 939.00 1001.50 1089.00 661.00 183.79 c 12.00 6.50 4792.29
1960 0.00 0.00 4.50 258.00 574.00 792.00 986.50 985.00 682.24 a 390.94 d 51.50 4.00 4728.69
1961 0.00 0.00 24.00 109.50 470.50 832.00 930.00 977.50 576.50 357.50 25.50 1.50 4304.50
1962 0.00 0.00 0.00 205.00 689.00 792.50 901.58 a 912.50 559.50 395.50 44.50 32.00 4532.08
1963 0.00 0.00 105.00 278.00 540.50 954.50 1009.00 909.00 692.50 578.50 61.00 1.00 5129.00
1964 0.00 2.00 12.50 289.50 740.50 901.00 1111.00 861.80 a 601.50 296.00 135.50 0.00 4951.30
1965 0.00 0.00 0.00 150.00 664.50 839.00 984.50 895.50 403.00 370.00 49.00 2.00 4357.50
1966 0.00 0.00 109.50 116.00 514.00 873.50 1122.50 858.00 637.00 325.50 18.75 b 0.00 4574.75
1967 0.00 0.00 a 116.50 246.00 458.50 826.00 969.50 897.00 659.00 313.50 35.00 1.03 a 4522.03
1968 0.00 0.00 179.00 321.00 457.50 902.50 1005.00 976.00 641.00 352.50 35.00 0.00 4869.50
1969 0.00 0.00 0.00 251.50 628.50 687.50 1053.00 976.00 651.00 228.00 54.00 0.00 4529.50
1970 0.00 0.00 0.00 219.50 649.50 918.50 1039.50 972.00 663.50 276.00 12.00 2.50 4753.00
1971 0.00 0.00 25.50 271.50 513.50 974.50 907.27 a 955.00 685.00 427.00 56.00 0.00 4815.27
1972 0.00 0.00 33.50 171.00 648.50 850.00 938.00 932.50 613.00 247.00 15.50 0.00 4449.00
1973 0.00 0.00 68.50 211.50 549.50 924.00 1010.50 1013.00 620.00 474.00 39.50 0.00 4910.50
1974 0.00 1.50 40.50 281.00 527.50 829.50 1157.00 860.00 548.50 374.50 51.00 0.00 4671.00
1975 0.00 0.00 a 3.00 102.50 660.50 810.50 1080.50 982.50 517.50 400.50 128.50 0.00 4686.00
1976 0.00 23.00 86.50 349.00 567.00 901.50 1079.00 1022.00 695.50 227.50 16.50 0.00 4967.50
1977 0.00 4.31 b 89.00 448.50 814.50 893.50 1076.00 853.50 678.50 251.50 67.50 0.00 5176.81
1978 0.00 0.00 60.50 152.50 586.00 845.00 981.50 955.00 823.50 295.50 95.00 0.00 4794.50
1979 0.00 0.00 0.00 135.00 472.50 830.17 a 644.50 j 214.00 v 389.00 j 263.50 b 26.00 3.62 a 1730.79
1980 1.55 a 0.00 12.50 263.28 a 594.54 c 829.00 990.00 0.00 z 672.00 252.50 87.00 0.00 a 3702.36
1981 11.37 a 37.50 89.90 a 380.89 b 540.50 839.48 a 966.00 837.50 605.50 276.93 a 115.50 0.00 4701.08
1982 0.00 a 1.50 7.00 201.50 607.00 686.00 1024.50 880.50 598.45 a 295.00 16.00 12.00 4329.45
1983 0.00 0.50 28.50 89.50 408.50 787.50 1078.00 1100.00 602.50 237.50 38.50 0.00 4371.00
1984 0.00 1.50 0.00 144.00 515.00 848.00 944.50 964.00 551.00 345.50 41.50 2.50 4357.50
1985 0.00 0.00 a 53.73 a 390.50 696.00 752.59 a 931.50 757.50 532.50 308.50 17.00 0.00 4439.82
1986 0.00 b 0.00 116.50 292.00 632.00 898.50 1039.50 841.50 663.00 319.00 14.50 0.00 4816.50
1987 7.23 a 3.50 92.00 432.50 803.50 982.00 1106.00 853.50 647.50 199.00 107.07 a 0.00 5233.80
1988 0.00 0.00 51.00 237.00 808.00 1021.50 1089.00 1046.00 721.50 203.00 23.50 0.00 5200.50
1989 0.00 0.00 73.50 271.00 606.05 a 844.14 a 1092.50 974.00 614.00 363.00 12.00 1.00 4851.19
1990 0.00 6.00 48.00 266.50 525.50 907.00 960.00 603.50 k 748.00 276.00 100.50 1.00 3838.50
1991 0.00 0.00 48.00 297.00 689.50 977.00 984.00 942.50 623.00 302.50 2.00 0.00 4865.50
1992 0.00 0.00 50.00 160.00 617.00 795.00 771.00 762.50 596.00 290.50 4.00 0.00 4046.00
1993 0.00 0.00 6.00 131.50 519.00 733.50 941.00 929.50 473.50 285.00 13.00 0.00 4032.00
1994 0.00 0.00 37.50 258.50 686.50 893.00 894.50 850.50 701.00 369.00 61.50 0.00 4752.00
1995 0.00 0.00 65.50 100.00 460.50 847.50 1014.00 1069.00 564.50 274.00 1.00 0.00 4396.00
1996 0.00 0.00 19.50 149.50 424.50 867.50 909.50 908.50 594.00 341.00 11.50 0.00 4225.50
1997 0.00 a 0.00 38.50 181.00 409.00 907.00 1013.50 899.50 713.00 397.00 3.50 0.00 4562.00
1998 0.00 13.50 66.50 268.00 742.00 761.50 1001.50 965.50 809.50 350.50 69.00 35.50 5083.00
1999 0.00 1.50 54.00 232.00 602.50 827.00 1100.00 920.50 624.50 325.50 137.00 3.50 4828.00
2000 0.00 38.50 138.50 265.50 658.50 781.50 975.98 a 703.50 h 681.00 396.00 47.00 0.00 3982.48
2001 0.00 0.00 0.00 a 284.00 584.50 848.50 1075.18 a 980.00 639.11 b 316.00 244.00 12.00 4983.29
2002 10.00 11.50 5.50 304.50 498.50 936.00 1126.50 870.00 714.00 179.50 19.50 0.00 4675.50
2003 3.00 0.00 102.00 324.50 519.50 802.50 965.00 1024.50 651.00 410.00 38.50 1.00 4841.50
2004 0.00 0.00 98.00 334.50 578.00 772.50 921.50 798.00 781.50 335.50 69.00 3.00 4691.50
2005 0.00 13.00 61.00 366.50 526.50 959.50 1072.00 943.50 832.00 376.50 94.50 0.00 5245.00
2006 0.00 0.00 25.50 376.50 659.50 903.00 1120.50 969.00 560.00 266.00 78.50 0.00 4958.50
2007 0.00 0.00 144.00 294.50 761.00 928.00 1066.00 1000.00 733.50 446.00 56.50 0.00 5429.50
2008 0.00 g 0.00 0.00 180.00 d 513.50 812.50 1080.00 950.50 645.00 278.50 72.00 0.00 4532.00
2009 0.00 0.50 47.50 165.00 547.00 760.50 859.50 808.00 656.00 119.00 72.50 0.00 a 4035.50
2010 0.00 0.00 57.50 343.50 478.00 787.50 1027.00 1044.00 615.00 340.00 43.00 0.00 4735.50
2011 0.00 1.50 12.50 165.00 534.00 879.00 1129.00 934.00 570.50 356.50 a 41.00 0.00 4623.00
2012 0.00 0.00 353.00 321.50 735.00 940.50 1160.36 b 877.50 628.00 216.50 66.00 16.50 5314.86
2013 0.00 0.00 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 0.00 z 0.00
Period of Record Statistics
MEAN 0.47 2.71 51.76 240.34 577.91 846.15 1011.41 934.50 644.87 329.15 51.11 2.79 4699.69
S.D. 1.94 7.27 59.31 93.45 107.27 82.96 86.82 85.11 82.76 94.09 41.46 8.38 326.50
SKEW 4.57 3.55 2.26 0.17 0.19 -0.18 -0.08 0.44 -0.03 0.30 1.64 4.39 0.01
MAX 11.37 38.50 353.00 448.50 814.50 1024.50 1201.50 1192.50 832.50 578.50 244.00 54.00 5429.50
MIN 0.00 0.00 0.00 86.50 325.50 653.00 771.00 757.50 403.00 111.00 1.00 0.00 4032.00
NO YRS 76 78 76 77 76 77 76 70 72 74 76 78 64