ST PETER, MINNESOTA

Monthly Total Growing Degree Days

(217405)

Base Temperature = 50 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 220.10 a 659.00 717.00 625.88 b 405.00 a 130.00 10.34 a 0.00 2767.32
1894 0.00 0.00 21.00 113.00 276.00 642.50 771.90 a 657.00 389.50 68.00 0.00 0.00 2938.90
1895 0.00 a 0.00 2.00 118.50 334.59 b 521.00 650.50 586.42 a 517.50 24.50 1.50 0.00 2756.50
1896 0.00 0.00 1.50 0.00 z 0.00 z 0.00 z 0.00 z 279.00 m 213.00 74.83 b 0.00 0.00 d 289.33
1897 0.00 x 0.00 x 0.00 z 0.00 z 0.00 z 188.00 s 710.00 488.50 540.00 222.50 4.00 0.00 a 1965.00
1898 0.00 0.00 2.00 23.50 n 305.87 a 367.50 l 530.00 f 560.14 b 374.50 73.00 1.00 0.00 1316.50
1899 0.00 0.00 0.00 a 106.00 294.00 511.50 628.27 a 649.00 253.50 f 133.50 1.03 a 0.00 b 2323.30
1900 0.00 0.00 a 0.00 150.50 392.00 564.31 a 0.00 z 825.78 b 350.50 273.50 4.50 0.00 a 2561.09
1901 0.00 0.00 h 2.50 117.50 320.00 587.00 900.00 701.50 281.50 98.00 6.50 0.00 3014.50
1902 0.00 0.00 8.27 a 60.00 353.00 414.50 690.00 568.50 253.00 71.00 7.00 0.00 2425.27
1903 0.00 0.00 1.00 40.50 0.00 z 433.93 b 571.50 514.50 283.50 85.00 8.40 e 0.00 1938.33
1904 0.00 0.00 0.00 13.50 272.00 456.50 552.00 535.00 358.00 124.50 9.00 0.00 2320.50
1905 0.00 c 0.00 a 20.00 59.50 192.00 516.00 622.00 680.00 453.10 a 137.50 0.00 a 0.00 2680.10
1906 0.00 0.00 0.00 b 0.00 z 231.50 416.50 560.14 b 625.68 a 387.00 59.50 0.00 z 0.00 z 2280.32
1907 0.00 z 0.00 22.00 0.00 42.48 d 377.68 b 587.00 562.13 a 0.00 z 50.50 0.00 z 0.00 z 1641.79
1908 0.00 0.00 z 0.00 123.50 262.00 466.00 713.00 a 596.50 594.50 156.50 0.50 0.00 2912.50
1909 0.00 a 0.00 0.00 14.00 251.50 482.07 a 654.88 c 783.50 359.00 145.50 31.00 0.00 2721.44
1910 0.00 0.00 106.50 186.00 162.00 526.50 574.02 a 601.92 a 282.00 i 250.00 f 0.00 0.00 g 2156.93
1911 0.00 d 0.00 16.50 83.00 467.50 686.00 692.00 535.00 350.50 62.00 0.00 0.00 2892.50
1912 0.00 0.00 0.00 78.00 261.50 442.50 675.50 571.50 371.50 82.50 0.00 0.00 2483.00
1913 0.00 0.00 211.50 0.00 z 0.00 z 618.10 a 652.00 735.00 393.50 0.00 z 6.00 0.00 2616.10
1914 0.00 0.00 a 0.00 127.50 384.00 620.00 769.50 602.00 387.00 251.62 a 20.50 0.00 3162.12
1915 0.00 0.00 0.00 282.00 202.50 0.00 z 579.00 506.50 382.50 134.00 17.00 0.00 2103.50
1916 0.00 0.00 0.00 41.00 293.98 a 400.00 c 260.00 u 718.50 296.50 95.00 11.00 0.00 1855.98
1917 0.00 0.00 1.50 45.00 0.00 z 521.50 532.00 k 628.04 d 358.89 c 43.18 c 8.50 0.00 1606.60
1918 0.00 d 0.00 20.50 25.50 406.21 b 606.72 a 720.50 689.50 197.00 166.00 5.17 a 0.00 d 2837.10
1919 0.00 b 0.00 b 0.00 32.00 251.88 c 590.89 b 788.95 a 656.17 a 463.00 0.00 z 0.00 0.00 2782.88
1920 0.00 0.00 23.00 24.44 c 282.50 603.50 686.00 621.50 587.00 298.24 b 0.00 0.00 3126.19
1921 0.00 c 0.00 19.00 128.57 b 380.78 a 787.00 921.00 684.50 468.10 a 133.41 c 0.00 0.00 3522.37
1922 0.00 0.00 0.00 31.50 412.00 632.00 634.00 768.50 389.00 i 219.00 11.00 0.00 2708.00
1923 0.00 0.00 0.00 78.00 303.50 639.00 831.50 586.50 443.00 103.50 0.00 0.00 2985.00
1924 0.00 0.00 0.00 90.50 116.00 469.50 600.50 611.50 262.00 216.00 4.50 0.00 2370.50
1925 0.00 0.00 26.00 167.00 254.00 550.00 667.50 706.00 533.50 12.50 0.00 0.00 2916.50
1926 0.00 0.00 0.00 86.50 449.50 451.50 762.50 680.00 333.00 109.00 0.00 0.00 2872.00
1927 0.00 0.00 7.50 80.50 198.50 450.50 639.00 540.00 458.50 142.00 0.00 0.00 a 2516.50
1928 0.00 0.00 23.50 51.00 360.00 403.00 716.00 633.00 295.00 164.00 0.00 0.00 2645.50
1929 0.00 0.00 0.00 49.00 202.00 470.36 b 697.50 649.50 297.50 91.50 0.00 0.00 2457.36
1930 0.00 2.00 7.50 91.00 270.50 524.50 790.50 733.50 358.50 156.00 6.21 a 0.00 2940.21
1931 0.00 0.00 0.00 129.00 239.50 707.50 782.50 651.50 571.50 159.50 14.00 0.00 3255.00
1932 0.00 0.00 0.00 43.50 293.00 642.00 743.50 685.50 313.50 69.50 0.00 0.00 2790.50
1933 0.00 0.00 0.00 73.00 285.00 783.00 808.50 587.00 524.50 77.00 6.50 0.00 3144.50
1934 0.00 0.00 0.00 90.00 617.00 683.50 792.00 608.50 234.00 199.00 2.50 0.00 a 3226.50
1935 0.00 0.00 21.00 61.00 164.50 422.50 894.00 685.00 404.50 87.00 0.00 0.00 2739.50
1936 0.00 0.00 0.00 28.00 438.50 500.50 943.00 776.00 458.00 73.00 0.00 0.00 3217.00
1937 0.00 0.00 0.00 43.00 303.50 485.50 774.00 840.50 426.50 95.50 0.50 0.00 2969.00
1938 0.00 0.00 16.00 144.00 239.50 559.00 651.50 f 814.50 449.00 279.00 30.50 0.00 2531.50
1939 0.00 0.00 40.00 108.50 459.50 609.00 798.50 646.50 505.50 109.00 0.00 0.00 3276.50
1940 0.00 0.00 0.00 40.50 235.50 569.00 795.67 a 376.00 j 455.36 b 210.59 b 4.14 a 0.00 2310.75
1941 0.00 0.00 0.00 159.50 446.50 549.00 719.50 707.50 485.00 144.00 15.50 0.00 3226.50
1942 0.00 0.00 4.00 231.60 e 237.50 525.52 a 652.00 631.00 305.50 142.50 3.50 0.00 2733.12
1943 0.00 0.00 26.50 41.50 196.50 601.00 728.50 646.35 a 228.00 92.48 a 0.00 0.00 2560.83
1944 1.55 a 0.00 0.00 17.50 419.02 a 598.00 644.28 a 0.00 z 399.50 140.00 0.00 z 0.00 2219.85
1945 0.00 0.00 60.00 54.00 179.00 409.00 660.50 668.50 369.00 120.00 1.00 0.00 2521.00
1946 0.00 0.00 52.00 176.50 220.50 658.00 731.00 586.50 351.50 141.00 1.50 o 0.00 a 2917.00
1947 0.00 0.00 0.00 50.50 219.50 490.50 729.50 901.50 493.00 345.00 12.00 0.00 3241.50
1948 0.00 0.00 12.00 175.00 295.50 542.00 825.50 722.00 549.50 139.50 18.00 0.00 3279.00
1949 0.00 a 0.00 0.00 b 102.00 442.00 738.50 866.50 793.00 282.50 182.50 10.50 0.00 3417.50
1950 0.00 0.00 0.00 19.50 280.00 593.50 650.00 583.50 376.00 189.50 8.00 0.00 2700.00
1951 0.00 0.00 0.00 51.50 388.00 428.00 663.00 583.50 265.50 147.00 4.50 0.00 2531.00
1952 0.00 c 0.00 0.00 154.50 267.50 643.50 747.00 617.50 417.00 42.50 9.50 0.00 2899.00
1953 0.00 0.00 2.50 25.00 318.50 653.79 a 719.50 693.50 389.50 280.50 29.00 0.00 3111.79
1954 0.00 0.00 0.00 b 117.50 205.00 659.50 769.00 621.50 382.76 a 84.22 a 4.00 0.00 c 2843.48
1955 0.00 0.00 3.62 a 161.38 a 448.47 a 528.00 868.00 784.00 407.00 132.00 0.00 a 0.00 c 3332.46
1956 0.00 a 0.00 0.00 3.00 q 331.50 686.50 601.83 b 624.50 284.00 225.50 10.50 0.00 a 2764.33
1957 0.00 0.00 0.00 154.50 246.34 c 547.50 835.00 641.91 b 305.00 83.00 0.00 a 0.00 2813.25
1958 0.00 d 0.00 0.00 59.50 338.50 397.50 628.50 689.00 414.31 a 188.00 4.00 0.00 2719.31
1959 0.00 0.00 0.00 59.00 381.50 638.00 715.50 800.50 385.00 23.00 0.00 b 0.00 3002.50
1960 0.00 0.00 a 0.00 a 105.00 291.83 b 482.07 a 693.00 699.00 391.00 132.00 0.00 0.00 2793.90
1961 0.00 0.00 7.00 16.00 228.00 594.00 657.00 690.00 347.00 131.75 c 0.00 0.00 b 2670.75
1962 0.00 a 0.00 b 0.00 104.50 390.71 b 533.50 636.50 653.50 271.50 189.50 1.00 6.50 2787.21
1963 0.00 0.00 17.50 60.50 210.00 615.00 678.00 585.00 383.00 316.00 0.00 0.00 2865.00
1964 0.00 0.00 0.00 72.00 339.50 528.00 773.50 524.00 290.00 90.00 32.00 0.00 2649.00
1965 0.00 0.00 0.00 19.29 b 325.50 517.00 656.00 568.00 138.50 128.13 a 5.00 0.00 2357.42
1966 0.00 0.00 8.50 14.50 187.50 519.50 775.50 531.00 346.00 76.50 0.00 b 0.00 2459.00
1967 0.00 0.00 9.00 44.00 185.50 506.50 613.28 a 501.50 304.50 102.50 0.50 0.00 2267.28
1968 0.00 0.00 29.00 79.00 166.00 540.00 661.00 620.50 314.00 135.50 8.00 0.00 2553.00
1969 0.00 a 0.00 0.00 73.50 324.50 348.00 718.00 705.50 372.50 82.00 10.00 0.00 2634.00
1970 0.00 0.00 0.00 89.00 285.00 606.50 730.00 638.50 326.00 103.50 0.00 0.00 2778.50
1971 0.00 0.00 0.00 86.00 206.50 659.00 578.50 610.00 346.00 164.00 0.00 0.00 2650.00
1972 0.00 0.00 0.00 21.00 373.00 513.00 605.00 626.50 307.50 59.93 a 0.00 0.00 2505.93
1973 0.00 0.00 7.50 47.00 202.00 601.50 683.00 675.00 317.00 184.50 2.00 0.00 2719.50
1974 0.00 0.00 0.00 86.00 184.50 488.00 832.50 531.50 246.50 98.00 10.00 0.00 2477.00
1975 0.00 0.00 0.00 6.50 366.50 540.00 787.50 670.00 241.00 124.00 35.50 0.00 2771.00
1976 0.00 0.00 6.50 114.50 286.00 589.50 766.00 653.00 314.00 84.73 a 0.50 0.00 2814.73
1977 0.00 0.00 e 1.00 214.50 499.00 533.28 a 731.71 b 361.50 f 345.50 21.50 10.86 a 0.00 2357.34
1978 0.00 c 0.00 13.50 30.00 336.00 539.00 606.50 127.50 w 0.00 z 0.00 z 0.00 z 0.00 z 1525.00
1979 0.00 0.00 0.00 27.00 190.50 494.48 a 659.55 b 544.00 338.50 24.59 b 0.00 0.00 b 2278.62
1980 0.00 f 0.00 0.00 152.00 430.50 610.50 829.00 647.00 394.29 b 68.89 d 1.50 0.00 3133.67
1981 0.00 0.00 18.00 81.50 233.50 345.00 j 699.00 596.00 307.50 42.50 12.50 0.00 1990.50
1982 0.00 0.00 0.00 40.50 336.50 381.50 731.00 652.50 362.00 103.00 0.00 7.50 2614.50
1983 0.00 0.00 5.00 23.50 183.00 520.50 830.50 828.00 397.50 80.00 13.93 b 0.00 2881.93
1984 0.00 c 0.00 w 0.00 z 0.00 t 178.50 k 600.54 b 687.68 a 764.67 a 321.50 192.20 a 0.00 a 0.00 a 2566.59
1985 0.00 b 0.00 3.00 195.52 a 429.87 a 426.11 c 686.28 b 526.00 376.00 57.57 c 0.00 b 0.00 b 2700.34
1986 0.00 0.00 37.50 85.00 356.50 633.50 774.00 560.50 379.00 111.50 0.00 0.00 2937.50
1987 0.00 0.00 15.50 204.50 512.53 a 717.50 805.50 641.50 412.50 49.00 18.50 0.00 3377.03
1988 0.00 a 0.00 0.00 68.50 505.50 776.00 840.50 792.50 464.50 64.50 0.00 z 0.00 3512.00
1989 0.00 0.00 13.50 107.00 317.00 558.50 807.50 688.50 369.00 197.00 0.00 0.00 a 3058.00
1990 0.00 0.00 13.50 160.00 241.00 600.50 679.00 640.50 488.50 88.00 34.50 0.00 2945.50
1991 0.00 0.00 3.50 122.00 424.00 708.50 716.50 669.00 362.50 108.00 0.00 0.00 3114.00
1992 0.00 0.00 0.00 38.50 364.00 484.00 463.97 a 468.50 262.50 111.50 0.00 0.00 a 2192.97
1993 0.00 0.00 0.00 26.50 222.50 424.50 617.50 623.00 166.50 58.50 0.00 0.00 a 2139.00
1994 0.00 0.00 0.00 46.00 342.50 0.00 z 571.50 491.50 381.00 122.00 1.50 0.00 1956.00
1995 0.00 0.00 4.00 2.50 186.00 584.00 685.00 736.50 151.50 l 0.00 z 0.00 z 0.00 t 2198.00
1996 0.00 0.00 0.00 12.50 170.00 566.00 582.50 586.50 297.50 95.50 0.00 0.00 2310.50
1997 0.00 0.00 4.50 32.00 126.00 610.00 643.00 572.50 367.00 164.00 0.00 0.00 2519.00
1998 0.00 0.00 11.50 70.34 a 454.00 453.00 687.00 645.00 472.50 78.00 0.00 0.50 2871.84
1999 0.00 0.00 13.36 b 0.00 z 302.50 496.00 762.00 605.50 288.62 a 63.03 a 20.77 d 0.00 2551.79
2000 0.00 0.00 a 27.12 c 61.00 297.60 a 447.00 646.87 a 631.50 321.00 148.50 16.50 0.00 2597.09
2001 0.00 a 0.00 a 0.00 82.50 281.00 536.79 b 743.47 b 676.00 309.83 a 70.50 57.00 0.00 2757.08
2002 0.00 0.00 0.00 93.50 170.50 592.50 b 787.50 614.50 417.00 51.50 0.00 f 0.00 2727.00
2003 0.00 0.00 11.50 92.00 214.00 500.50 673.50 703.50 345.50 140.00 0.00 z 0.00 2680.50
2004 0.00 0.00 z 10.50 78.50 222.50 423.00 609.00 437.00 475.00 99.00 4.00 0.00 a 2358.50
2005 0.00 0.00 15.00 117.00 211.00 0.00 z 0.00 z 0.00 z 452.00 0.00 z 0.00 z 0.00 z 795.00
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 409.00 h 814.00 0.00 z 286.00 110.00 11.00 0.00 1221.00
2007 0.00 0.00 28.00 121.00 407.50 626.50 761.00 637.50 420.00 174.00 0.00 0.00 3175.50
2008 0.00 0.00 0.00 40.50 206.00 521.50 709.50 612.50 391.50 99.50 50.00 0.00 q 2631.00
2009 0.00 z 0.00 g 1.50 25.50 t 262.50 471.50 533.00 537.50 428.50 5.50 5.50 0.00 2245.50
2010 0.00 0.00 13.00 135.50 308.00 520.50 732.50 743.00 261.50 130.50 8.00 0.00 2852.50
2011 0.00 0.00 0.00 14.50 253.00 539.50 820.00 625.50 300.50 172.00 0.00 0.00 2725.00
2012 0.00 0.00 122.50 61.00 372.00 581.50 868.00 590.50 290.36 b 64.50 14.50 0.00 2964.86
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 0.01 0.02 10.80 82.02 296.14 549.55 711.96 642.31 367.87 122.61 6.80 0.13 2801.07
S.D. 0.14 0.19 26.03 55.70 99.17 93.06 90.88 85.88 88.17 65.98 10.52 0.93 306.40
SKEW 10.58 10.49 5.22 0.93 0.45 0.25 0.10 0.38 0.24 0.97 2.40 7.35 0.12
MAX 1.55 2.00 211.50 282.00 617.00 787.00 943.00 901.50 594.50 345.00 57.00 7.50 3522.37
MIN 0.00 0.00 0.00 0.00 42.48 348.00 463.97 437.00 138.50 5.50 0.00 0.00 2139.00
NO YRS 115 113 116 109 113 112 113 113 114 114 110 113 81