ST PETER, MINNESOTA

Monthly Total Growing Degree Days

(217405)

Base Temperature = 40 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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 z 0.00 z 0.00 z 0.00 z 503.75 a 959.00 1027.00 935.88 b 675.52 a 349.50 77.59 a 0.00 4528.23
1894 0.00 0.00 82.50 286.00 579.50 942.50 1081.90 a 967.00 678.00 262.50 3.00 5.00 4887.90
1895 0.00 a 7.00 36.00 371.00 604.50 b 821.00 960.50 896.42 a 793.50 153.00 37.50 0.00 4680.42
1896 4.50 12.00 19.50 0.00 z 0.00 z 0.00 z 0.00 z 459.00 m 484.00 256.55 b 0.00 0.00 d 776.55
1897 0.00 x 0.00 x 0.00 z 0.00 z 0.00 z 298.00 s 1020.00 798.50 838.00 471.00 42.50 0.00 a 3170.00
1898 0.00 0.00 51.00 107.00 n 615.87 a 547.50 l 780.00 f 870.14 b 669.50 227.00 38.50 0.00 2472.00
1899 0.00 0.50 0.00 a 285.00 593.50 811.50 938.27 a 959.00 480.00 f 387.50 90.00 a 2.67 b 4067.94
1900 2.00 0.00 a 4.00 354.00 687.50 864.31 a 0.00 z 1135.78 b 639.00 569.50 36.00 0.00 a 4292.09
1901 0.00 0.50 h 15.50 288.00 609.00 885.00 1210.00 1011.50 551.50 353.50 31.00 0.00 4955.00
1902 0.00 7.50 88.87 a 200.50 656.00 714.50 1000.00 878.50 540.50 294.50 62.00 0.00 4442.87
1903 0.00 0.00 40.00 218.50 0.00 z 733.93 b 881.50 824.50 571.00 345.00 55.20 e 0.00 3669.63
1904 0.00 0.00 3.50 111.50 574.50 756.50 862.00 845.00 654.00 351.00 85.50 1.00 4244.50
1905 0.00 c 3.11 a 117.00 209.50 476.50 816.00 932.00 990.00 753.10 a 289.50 48.62 a 1.00 4636.33
1906 0.50 2.50 0.00 b 0.00 z 480.00 716.50 870.14 b 935.68 a 687.00 209.50 0.00 z 0.00 z 3901.82
1907 0.00 z 0.00 81.00 33.50 207.24 d 677.68 b 897.00 872.13 a 0.00 z 223.50 0.00 z 0.00 z 2992.05
1908 0.00 0.00 z 28.50 300.50 540.00 766.00 1023.00 a 906.50 870.50 349.00 72.50 1.00 4857.50
1909 0.00 a 0.00 4.00 111.00 526.00 782.07 a 964.88 c 1093.50 659.00 308.00 127.00 11.50 4586.94
1910 0.00 0.00 285.50 420.50 453.00 826.50 884.02 a 911.92 a 492.00 i 476.50 f 5.00 0.00 g 3786.43
1911 1.72 d 11.00 103.00 252.00 756.50 986.00 1002.00 845.00 644.50 224.50 1.00 0.00 4827.22
1912 0.00 0.00 13.00 284.50 563.00 742.50 985.50 881.50 628.50 295.50 44.00 2.50 4440.50
1913 0.00 4.00 506.00 0.00 z 0.00 z 918.10 a 962.00 1045.00 671.00 0.00 z 69.00 6.50 4181.60
1914 0.00 0.00 a 23.00 324.50 691.50 920.00 1079.50 912.00 687.00 529.58 a 112.00 0.00 5279.08
1915 0.00 0.00 2.00 539.00 467.00 0.00 z 889.00 816.50 681.00 403.50 92.50 1.50 3892.00
1916 0.00 0.00 28.00 198.50 569.88 a 700.00 c 360.00 u 1028.50 557.50 259.50 66.50 2.50 3410.88
1917 0.00 0.00 20.50 169.00 0.00 z 821.50 732.00 k 938.04 d 658.89 c 156.11 c 106.00 0.00 2870.03
1918 0.00 d 0.00 111.50 176.00 707.66 b 906.72 a 1030.50 999.50 461.00 383.50 56.90 a 0.00 d 4833.28
1919 0.00 b 0.00 b 55.00 216.00 543.05 c 890.89 b 1098.95 a 966.17 a 759.50 11.00 z 15.00 0.00 4544.56
1920 0.00 0.00 103.50 140.00 c 583.00 903.50 996.00 931.50 887.00 548.38 b 16.50 0.50 5109.88
1921 0.00 c 11.00 84.00 354.11 b 640.15 a 1087.00 1231.00 994.50 768.10 a 407.43 c 16.00 3.00 5596.29
1922 0.00 0.00 19.00 216.00 722.00 932.00 944.00 1078.50 599.00 i 473.50 113.00 3.00 4501.00
1923 0.00 0.00 14.50 246.50 595.50 939.00 1141.50 896.50 739.50 289.00 70.50 3.50 4936.00
1924 0.00 0.00 4.50 282.50 377.50 769.50 910.50 921.50 549.00 510.00 62.00 0.00 4387.00
1925 0.00 0.00 98.00 441.00 512.00 849.50 977.50 1016.00 830.00 112.00 30.50 0.00 4866.50
1926 0.00 0.00 33.00 236.00 750.50 751.50 1072.50 990.00 607.00 309.50 27.00 0.00 4777.00
1927 0.00 1.00 58.00 254.50 496.50 750.50 949.00 850.00 728.00 395.50 14.50 0.00 a 4497.50
1928 0.00 2.00 80.50 150.50 670.00 703.00 1026.00 943.00 562.00 361.00 35.50 0.00 4533.50
1929 0.00 0.00 43.50 244.50 433.50 770.36 b 1007.50 959.50 582.50 308.00 7.50 0.00 4356.86
1930 0.00 33.00 33.50 277.50 565.50 824.50 1100.50 1043.50 636.00 322.00 112.24 a 0.00 4948.24
1931 5.00 7.50 0.00 311.00 483.50 1007.50 1092.50 961.50 868.00 417.00 103.50 0.50 5257.50
1932 0.00 2.50 12.00 203.00 596.50 942.00 1053.50 995.50 612.50 220.50 26.50 0.00 4664.50
1933 0.00 0.00 19.50 212.00 569.50 1083.00 1118.50 897.00 824.50 262.50 24.50 0.00 5011.00
1934 0.00 3.50 39.50 234.50 927.00 983.50 1102.00 918.50 506.00 447.50 65.50 0.00 a 5227.50
1935 0.00 0.00 86.50 200.00 433.50 720.50 1204.00 995.00 700.00 291.50 1.00 0.00 4632.00
1936 0.00 0.00 10.50 164.50 736.00 800.50 1253.00 1086.00 758.00 254.00 14.50 0.00 5077.00
1937 0.00 0.00 8.00 201.00 606.00 783.50 1084.00 1150.50 720.00 245.50 47.50 0.00 4846.00
1938 0.00 0.00 114.50 342.50 518.00 859.00 901.50 f 1124.50 748.00 551.00 72.00 0.00 4329.50
1939 1.00 0.00 107.50 253.50 765.00 909.00 1108.50 956.50 780.50 323.50 53.50 44.50 5303.00
1940 0.00 0.00 2.00 185.50 521.00 869.00 1105.67 a 586.00 j 754.82 b 504.55 b 43.45 a 0.00 3985.99
1941 0.00 0.00 14.50 396.50 752.50 849.00 1029.50 1017.50 782.00 393.50 54.00 22.00 5311.00
1942 0.00 0.00 40.00 472.80 e 510.00 825.52 a 962.00 941.00 544.50 352.00 48.50 0.00 4696.32
1943 0.00 0.00 70.50 214.00 464.50 901.00 1038.50 956.35 a 513.50 279.00 a 0.00 0.00 4437.35
1944 14.98 a 0.00 0.50 117.00 694.92 a 898.00 954.28 a 0.00 z 699.50 418.50 0.00 z 0.00 3797.68
1945 0.00 0.00 220.50 221.50 443.00 698.00 970.50 978.50 647.50 355.00 64.50 0.00 4599.00
1946 0.00 1.00 216.50 399.50 508.50 951.50 1041.00 896.50 643.00 399.00 21.00 o 4.65 a 5061.15
1947 2.50 0.00 10.00 150.00 497.00 790.50 1039.50 1211.50 778.00 648.50 57.50 0.00 5185.00
1948 0.00 0.00 71.50 420.50 601.50 842.00 1135.50 1032.00 849.50 415.00 86.50 7.50 5461.50
1949 2.07 a 0.00 18.17 b 288.00 749.50 1038.50 1176.50 1103.00 576.50 431.00 85.50 0.00 5468.74
1950 0.00 0.00 2.00 99.50 554.00 893.50 960.00 893.50 675.50 453.50 36.50 0.00 4568.00
1951 0.00 0.00 0.00 122.50 694.50 728.00 973.00 893.50 544.00 344.50 24.50 14.00 4338.50
1952 0.00 c 0.00 2.00 342.00 567.00 943.50 1057.00 927.50 715.00 233.00 93.00 0.00 4880.00
1953 0.00 0.00 40.50 122.50 596.50 953.79 a 1029.50 1003.50 689.50 551.00 135.50 0.00 5122.29
1954 0.00 19.00 10.16 b 336.50 438.00 959.50 1079.00 931.50 682.24 a 289.85 a 79.00 0.00 c 4824.75
1955 0.00 0.00 32.03 a 435.00 a 755.88 a 828.00 1178.00 1094.00 704.00 358.50 4.66 a 0.00 c 5390.07
1956 0.00 a 0.00 0.00 56.50 q 616.00 986.50 911.83 b 934.50 576.50 506.50 66.00 0.00 a 4597.83
1957 0.00 0.00 3.00 314.50 543.05 c 847.50 1145.00 951.91 b 599.00 259.50 28.97 a 0.00 4692.43
1958 0.00 d 10.50 13.00 214.00 645.00 697.50 938.50 999.00 711.72 a 432.50 78.50 0.00 4740.22
1959 0.00 0.00 34.50 255.50 685.00 938.00 1025.50 1110.50 670.50 189.50 13.93 b 6.50 4929.43
1960 0.00 0.00 a 10.85 a 261.50 597.55 b 782.07 a 1003.00 1009.00 685.50 371.00 35.50 4.00 4759.97
1961 0.00 0.50 39.50 102.50 506.00 894.00 967.00 1000.00 631.00 375.32 c 30.00 3.21 b 4549.03
1962 0.00 a 0.00 b 0.00 234.00 699.64 b 833.50 946.50 963.50 570.00 436.00 70.50 42.00 4795.64
1963 0.00 0.00 76.00 210.50 473.50 915.00 988.00 895.00 681.00 603.50 64.00 0.00 4906.50
1964 0.00 0.00 6.50 228.00 644.50 828.00 1083.50 834.00 581.50 280.00 139.00 0.00 4625.00
1965 0.00 0.00 0.00 102.86 b 618.00 817.00 966.00 878.00 409.50 359.08 a 46.00 0.00 4196.44
1966 0.00 5.00 76.00 102.00 410.00 819.50 1085.50 841.00 638.00 261.00 19.29 b 0.00 4257.29
1967 0.00 0.00 49.00 202.00 423.00 806.50 923.28 a 811.50 585.00 266.00 29.00 0.00 4095.28
1968 0.00 0.00 140.50 270.50 440.00 839.50 971.00 930.50 611.50 350.00 43.50 0.00 4597.00
1969 0.00 a 0.00 0.00 274.00 619.50 641.00 1028.00 1015.50 668.00 227.50 61.50 1.50 4536.50
1970 0.00 0.00 0.00 217.00 573.00 906.50 1040.00 948.50 617.50 303.00 5.50 4.50 4615.50
1971 0.00 0.00 12.50 279.00 488.00 959.00 888.50 920.00 630.00 427.00 16.00 0.00 4620.00
1972 0.00 0.00 8.00 134.00 675.50 813.00 915.00 936.50 592.50 216.48 a 16.00 0.00 4306.98
1973 0.00 0.00 87.50 183.00 475.00 901.50 993.00 985.00 616.00 448.00 41.00 0.00 4730.00
1974 0.00 0.00 14.50 248.50 470.00 788.00 1142.50 841.50 518.00 315.50 62.00 0.00 4400.50
1975 0.00 0.00 0.00 99.50 668.00 840.00 1097.50 980.00 533.00 357.50 144.00 0.00 4719.50
1976 0.00 21.00 72.00 339.50 566.00 889.50 1076.00 963.00 598.00 197.88 a 23.00 0.00 4745.88
1977 0.00 2.43 e 79.50 443.00 809.00 833.28 a 1041.71 b 611.50 f 641.50 225.00 70.34 a 0.50 4146.26
1978 0.00 c 0.00 49.50 172.50 636.50 839.00 916.50 207.50 w 0.00 z 0.00 z 0.00 z 0.00 z 2614.00
1979 0.00 0.00 0.00 137.00 440.00 794.48 a 969.55 b 854.00 638.50 166.76 b 4.50 0.00 b 4004.79
1980 0.00 f 0.00 13.00 328.50 736.00 910.50 1139.00 957.00 692.14 b 223.31 d 58.50 0.00 5057.96
1981 3.00 28.50 75.00 308.00 522.00 545.00 j 1009.00 906.00 605.00 232.50 95.50 0.00 3784.50
1982 0.00 0.00 15.50 184.00 644.50 681.50 1041.00 962.50 661.50 357.00 33.00 25.00 4605.50
1983 0.00 0.00 41.50 132.00 482.50 820.50 1140.50 1138.00 671.00 300.00 65.89 b 0.00 4791.89
1984 0.00 c 1.00 w 0.00 z 54.00 t 368.50 k 900.54 b 997.68 a 1074.67 a 597.50 418.50 a 48.10 a 0.00 a 4036.99
1985 0.00 b 0.00 62.00 417.41 a 739.87 a 726.11 c 996.28 b 836.00 637.00 278.45 c 16.07 b 0.00 b 4709.19
1986 0.00 0.00 91.50 312.50 665.00 933.50 1084.00 870.50 679.00 360.50 19.50 0.00 5016.00
1987 2.00 2.00 114.50 458.50 822.53 a 1017.50 1115.50 951.50 712.50 209.50 98.50 0.00 5504.53
1988 0.00 a 0.00 39.00 263.00 815.50 1076.00 1150.50 1102.50 764.50 244.50 0.00 z 0.00 5455.50
1989 0.50 0.00 46.50 277.00 594.50 858.50 1117.50 998.50 654.00 401.00 19.00 0.00 a 4967.00
1990 0.00 4.00 87.00 310.50 535.50 900.50 989.00 950.50 786.50 295.00 117.50 0.00 4976.00
1991 0.00 2.00 56.50 315.00 683.50 1008.50 1026.50 979.00 646.50 321.00 4.50 0.00 5043.00
1992 0.00 0.00 47.50 168.00 659.50 784.00 773.97 a 778.50 547.00 282.00 4.00 0.00 a 4044.47
1993 0.00 0.00 14.00 154.50 527.00 724.50 927.50 933.00 441.00 226.00 6.00 0.00 a 3953.50
1994 0.00 4.00 17.50 190.50 622.50 0.00 z 881.50 801.50 676.50 364.50 47.00 0.00 3605.50
1995 0.00 0.00 65.50 111.00 478.50 882.00 995.00 1046.50 305.00 l 14.00 z 0.00 z 0.00 t 3578.50
1996 0.00 1.50 18.00 100.50 424.00 866.00 892.50 896.50 590.50 280.00 11.50 0.00 4081.00
1997 0.00 0.00 25.00 177.00 370.50 910.00 953.00 882.50 666.00 342.50 8.00 0.00 4334.50
1998 0.00 14.50 60.50 286.55 a 764.00 753.00 997.00 955.00 770.50 329.00 41.50 30.50 5002.05
1999 0.00 1.00 38.48 b 0.00 z 598.00 795.50 1072.00 915.50 576.21 a 244.38 a 100.38 d 6.00 4347.46
2000 0.00 23.82 a 135.62 c 219.50 595.72 a 746.00 956.87 a 941.50 598.50 381.00 52.50 0.00 4651.03
2001 0.00 a 0.00 a 0.00 227.00 579.50 836.79 b 1053.47 b 986.00 601.55 a 265.00 228.50 16.00 4793.80
2002 0.50 0.00 7.00 223.00 419.00 892.50 b 1097.50 924.50 702.00 144.00 13.00 f 0.00 4410.00
2003 3.00 0.50 74.50 270.50 510.50 800.50 983.50 1013.50 629.50 334.00 0.00 z 0.00 4620.00
2004 0.00 0.00 z 63.50 264.50 493.00 723.00 919.00 747.00 775.00 317.50 63.00 0.00 a 4365.50
2005 0.00 5.00 46.00 316.50 454.00 0.00 z 0.00 z 0.00 z 747.50 0.00 z 0.00 z 0.00 z 1569.00
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 629.00 h 1124.00 0.00 z 565.00 259.00 65.00 1.50 2014.50
2007 0.00 0.00 109.00 280.50 717.00 926.50 1071.00 947.50 712.00 429.00 31.00 0.00 5223.50
2008 0.00 0.00 4.50 149.50 506.50 821.50 1019.50 922.50 691.50 323.00 119.00 0.00 q 4557.50
2009 0.00 z 0.50 g 44.50 99.50 t 557.00 769.00 843.00 847.50 724.50 114.50 94.50 0.00 3994.50
2010 0.00 0.00 50.50 401.00 572.00 820.50 1042.50 1053.00 561.50 368.00 63.50 0.00 4932.50
2011 0.00 0.00 0.00 135.00 528.50 839.50 1130.00 935.50 586.50 376.00 39.50 0.00 4570.50
2012 0.00 0.00 319.50 264.50 682.00 881.50 1178.00 900.50 571.61 b 219.00 74.00 7.00 5097.61
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 0.38 2.25 51.68 246.86 581.92 849.22 1021.96 952.31 656.70 332.83 53.04 2.54 4756.67
S.D. 1.61 5.77 69.32 98.04 115.39 93.34 90.88 85.88 93.20 104.96 39.09 7.33 365.91
SKEW 7.08 3.40 3.51 0.47 0.12 0.24 0.10 0.38 0.13 0.49 1.14 4.09 0.06
MAX 14.98 33.00 506.00 539.00 927.00 1087.00 1253.00 1211.50 887.00 648.50 228.50 44.50 5596.29
MIN 0.00 0.00 0.00 33.50 207.24 641.00 773.97 747.00 409.50 112.00 0.00 0.00 3953.50
NO YRS 115 113 116 109 113 112 113 113 114 114 110 113 81