BIRD ISLAND, MINNESOTA

Monthly Total Growing Degree Days

(210783)

Base Temperature = 40 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 197605
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 c 0.00 7.50 52.50 429.00 0.00 z 0.00 z 842.50 581.50 242.00 65.50 0.00 b 2220.50
1894 0.00 a 0.00 53.50 239.00 549.50 863.00 1018.00 926.00 645.50 231.00 1.00 1.07 b 4527.57
1895 0.00 a 2.92 d 29.50 352.50 570.63 d 792.50 901.00 889.00 694.50 194.50 46.50 0.00 4473.55
1896 0.00 7.00 6.00 261.50 667.50 791.50 874.00 886.50 473.50 167.50 0.00 0.00 4135.00
1897 0.00 0.00 13.00 171.50 495.00 690.00 972.00 757.50 792.00 356.50 31.00 0.00 4278.50
1898 0.00 0.00 26.00 190.00 508.50 807.00 991.00 888.00 656.50 179.00 24.00 0.00 a 4270.00
1899 0.00 0.00 0.00 217.50 494.00 787.00 1002.50 959.00 549.00 336.50 80.50 0.00 4426.00
1900 2.00 0.00 7.50 331.00 633.50 838.50 970.50 1156.00 652.00 517.00 24.00 0.00 5132.00
1901 0.00 0.00 4.50 299.50 595.09 c 815.50 1136.50 1012.00 576.50 344.10 a 12.50 0.00 4796.19
1902 0.00 4.67 a 79.00 148.50 615.50 647.00 941.00 641.50 h 482.00 293.50 40.00 0.00 3251.17
1903 0.00 0.00 18.50 173.00 522.50 698.00 387.50 r 794.50 546.50 286.00 50.00 0.00 3089.00
1904 0.00 0.00 0.00 84.50 527.52 a 411.50 m 822.50 835.50 566.50 298.50 104.50 0.00 a 3239.52
1905 0.00 10.00 69.50 191.00 438.50 771.50 872.00 945.00 731.00 222.00 37.00 0.00 4287.50
1906 0.00 5.00 4.65 a 302.00 516.00 735.00 b 887.00 937.23 a 728.50 263.50 33.50 0.00 b 4412.38
1907 0.00 0.00 a 47.00 39.31 a 277.00 748.50 929.50 865.50 572.00 258.33 a 24.50 0.00 a 3761.64
1908 0.00 a 0.00 5.00 256.50 486.50 712.50 957.00 834.50 794.50 268.00 36.50 0.00 4351.00
1909 0.00 0.00 0.00 76.50 498.00 774.83 a 924.32 a 1045.73 a 611.50 238.00 106.50 2.58 a 4277.96
1910 0.00 0.00 214.50 348.00 417.50 850.00 980.50 862.50 654.50 434.50 0.00 0.00 4762.00
1911 0.00 a 0.00 70.50 221.00 672.18 a 955.00 918.00 771.00 597.50 182.00 0.00 0.00 4387.18
1912 0.00 0.00 10.00 227.50 545.50 686.00 924.00 822.00 602.00 357.00 41.50 2.50 4218.00
1913 0.00 0.00 18.50 264.00 462.50 858.50 914.50 983.00 654.00 274.50 74.00 3.50 4507.00
1914 0.00 0.00 11.50 208.50 614.50 829.50 1064.00 870.00 642.00 446.00 80.69 a 0.00 4766.69
1915 0.00 0.00 0.00 455.00 418.50 666.50 832.00 792.50 614.00 365.00 48.50 0.00 4192.00
1916 0.00 0.00 16.00 175.00 509.00 681.00 1176.00 951.00 570.00 232.50 49.50 0.00 4360.00
1917 0.00 0.00 4.65 a 96.00 451.00 680.00 989.50 832.50 562.00 107.50 60.00 0.00 3783.15
1918 0.00 1.00 105.00 137.50 637.57 a 824.00 948.00 940.00 448.00 348.00 70.50 0.50 4460.07
1919 0.00 0.00 38.50 203.00 536.00 894.00 1065.00 900.07 b 718.50 181.00 4.00 0.00 4540.07
1920 0.00 b 0.00 g 74.00 83.50 542.00 813.50 951.50 881.50 724.00 471.00 5.36 b 0.00 4546.36
1921 0.00 9.50 58.50 321.50 611.00 991.50 1104.50 920.00 670.00 319.00 5.50 0.50 5011.50
1922 0.00 0.00 4.50 216.00 678.00 876.00 896.50 911.92 a 754.50 398.50 80.00 0.00 4815.92
1923 0.00 0.00 7.23 a 214.00 559.50 891.72 a 1088.00 853.00 711.50 256.50 38.50 4.00 4623.96
1924 0.00 0.00 2.50 241.50 320.50 694.50 886.50 884.00 504.00 461.38 a 23.00 0.00 4017.88
1925 0.00 0.00 81.00 382.50 463.00 788.00 908.00 986.50 784.50 83.00 15.00 0.00 4491.50
1926 0.00 0.00 17.50 233.00 719.00 700.34 a 987.00 912.00 567.00 261.00 17.78 c 0.00 4414.62
1927 0.00 0.00 41.00 212.50 461.50 720.50 851.50 790.50 701.50 351.00 12.50 0.00 a 4142.50
1928 0.00 0.00 71.50 140.50 653.00 645.00 997.50 909.00 524.00 299.50 33.50 1.50 4275.00
1929 0.00 0.00 32.50 240.50 425.22 a 718.00 971.00 925.00 571.55 a 297.50 11.50 0.00 4192.77
1930 0.00 20.00 28.50 271.50 595.00 756.72 a 1047.36 c 995.00 611.50 321.00 97.00 0.00 4743.58
1931 1.00 6.50 1.00 276.50 486.00 1029.00 1087.50 940.00 877.50 396.50 96.21 a 2.00 5199.71
1932 0.00 6.13 c 7.75 a 211.00 603.50 901.50 1002.00 947.50 588.00 206.50 17.50 0.00 4491.38
1933 0.00 a 0.00 15.00 194.50 534.50 696.50 l 1080.00 897.34 c 791.00 260.00 27.41 a 0.00 3799.75
1934 0.00 0.00 31.00 250.50 902.00 929.00 1076.00 892.50 493.50 422.00 35.36 b 0.00 a 5031.86
1935 0.00 0.00 41.00 150.00 435.00 700.50 1148.55 a 956.00 613.45 a 263.50 0.00 0.00 4308.00
1936 0.00 0.00 0.00 133.50 707.50 741.50 1201.00 1053.00 782.50 272.00 14.00 1.00 4906.00
1937 0.00 0.00 5.34 b 172.00 602.00 766.50 1078.50 1133.50 679.00 210.00 41.90 a 0.00 4688.74
1938 0.00 0.00 107.00 282.50 476.00 809.50 1010.50 1032.30 a 688.00 505.50 30.56 c 0.00 4941.86
1939 0.00 a 0.00 90.50 223.50 748.50 837.86 b 1020.00 887.50 730.34 a 276.00 42.50 26.00 4882.70
1940 0.00 0.00 0.00 134.00 547.00 813.00 1059.68 a 837.00 708.00 430.00 26.00 0.00 4554.68
1941 0.00 0.00 6.50 343.50 709.00 806.00 986.00 940.50 630.00 345.00 34.50 11.50 4812.50
1942 0.00 0.00 21.00 370.50 458.50 717.50 902.50 897.00 509.00 357.00 41.50 0.00 4274.50
1943 0.00 0.00 73.50 206.00 449.50 872.50 1018.00 920.50 504.50 288.00 1.50 0.00 4334.00
1944 7.50 0.00 0.00 102.00 664.00 854.00 915.50 897.50 610.50 293.00 71.00 0.00 4415.00
1945 0.00 0.00 155.50 158.50 397.00 605.00 895.50 905.00 557.00 279.50 22.00 0.00 3975.00
1946 0.00 a 0.00 148.50 344.50 474.00 827.50 973.50 834.00 552.50 281.00 8.00 0.00 4443.50
1947 0.50 0.00 11.00 107.50 421.50 707.00 975.50 1115.50 662.00 76.00 x 37.50 0.00 4038.00
1948 0.00 h 0.00 7.00 322.00 539.00 767.59 a 999.00 888.50 730.00 262.50 32.00 0.00 4547.59
1949 0.00 0.00 3.00 248.50 688.00 906.00 1053.00 1033.50 548.00 401.00 71.00 0.00 4952.00
1950 0.00 0.00 1.55 a 75.00 484.50 856.00 908.00 815.00 642.50 388.50 33.00 0.00 4204.05
1951 0.00 0.00 0.00 120.50 655.00 688.00 954.50 853.50 493.50 294.00 12.50 4.50 4076.00
1952 0.00 0.00 0.00 325.50 581.50 884.50 999.75 a 874.00 680.50 219.50 76.00 0.50 4641.75
1953 0.00 0.00 31.50 104.00 559.50 896.50 963.50 973.50 634.00 504.50 94.50 0.00 4761.50
1954 0.00 8.50 4.50 249.83 a 439.50 911.00 1013.50 863.00 591.00 253.00 73.00 0.00 4406.83
1955 0.00 0.00 27.00 420.00 757.00 821.50 1181.50 1101.50 694.00 394.73 a 0.50 0.00 a 5397.73
1956 0.00 0.00 2.00 86.00 568.00 968.00 929.00 949.50 610.00 529.50 57.50 0.00 4699.50
1957 0.00 0.00 6.50 306.00 528.00 815.50 1154.50 911.50 568.00 287.00 28.00 0.00 4605.00
1958 0.00 18.00 20.48 c 245.00 724.50 697.00 922.50 987.50 705.00 387.00 61.50 0.00 4768.48
1959 0.00 b 0.00 z 35.50 k 241.00 668.50 950.00 1032.00 1077.50 670.50 153.50 4.14 a 0.00 g 4797.14
1960 0.00 0.00 3.50 208.50 542.50 753.00 990.00 976.00 682.00 353.40 a 31.50 0.50 4540.90
1961 0.00 1.56 a 42.00 88.50 496.50 925.56 c 956.41 d 1014.98 b 643.97 a 354.50 16.07 b 0.00 4540.04
1962 0.00 0.00 1.50 196.00 654.50 806.38 a 893.50 942.29 b 576.50 427.00 42.00 33.50 4573.17
1963 0.00 0.00 101.50 292.24 a 554.00 952.00 1027.65 a 927.00 722.00 600.00 67.76 a 0.00 5244.15
1964 0.00 a 3.00 6.00 247.50 695.00 894.83 a 1110.00 851.47 a 612.00 347.20 a 135.00 b 0.00 4901.99
1965 0.00 0.00 0.00 158.50 637.50 866.00 989.50 901.50 376.55 a 367.50 56.38 a 0.00 4353.43
1966 0.00 0.00 79.00 106.00 476.00 881.00 1136.50 855.00 630.50 324.43 b 4.00 0.00 4492.43
1967 0.00 a 0.00 67.50 204.00 461.50 828.10 a 963.00 878.00 631.03 a 303.50 38.04 b 0.00 4374.67
1968 0.00 0.00 a 189.50 303.50 459.00 897.50 992.00 1002.69 b 648.50 347.72 a 30.52 a 0.00 a 4870.92
1969 0.00 b 0.00 0.00 a 245.69 a 661.00 670.86 a 1022.48 a 1034.37 a 683.28 a 228.00 57.41 a 0.00 4603.09
1970 0.00 0.00 0.00 a 213.50 635.50 962.59 a 1083.00 982.50 679.50 319.50 1.07 b 1.50 4878.66
1971 0.00 0.00 18.08 a 291.00 536.82 a 971.00 894.00 953.00 681.00 414.00 28.45 a 0.00 b 4787.35
1972 0.00 0.00 9.00 142.00 666.50 864.00 954.50 970.00 613.00 247.00 10.86 a 0.00 b 4476.86
1973 0.00 0.00 69.00 182.00 553.50 940.00 1008.00 1019.00 612.93 a 492.00 27.93 a 0.00 4904.36
1974 0.00 0.00 6.72 a 253.93 b 490.00 867.00 1172.50 874.95 b 594.00 423.31 b 58.97 a 0.00 a 4741.37
1975 0.00 0.00 5.50 103.00 710.00 867.50 0.00 z 984.25 a 577.00 426.00 148.00 0.00 3821.25
1976 0.00 b 10.00 78.03 b 281.00 i 583.83 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 671.87
Period of Record Statistics
MEAN 0.13 1.39 33.42 215.89 556.41 812.74 992.92 924.99 630.69 320.47 40.13 1.18 4546.44
S.D. 0.86 3.73 44.42 88.67 107.08 95.39 86.46 82.66 88.60 99.74 31.84 4.83 327.56
SKEW 7.97 3.25 1.96 0.21 0.28 -0.02 0.44 0.54 -0.01 0.29 1.02 5.53 0.12
MAX 7.50 20.00 214.50 455.00 902.00 1029.00 1201.00 1156.00 877.50 600.00 148.00 33.50 5397.73
MIN 0.00 0.00 0.00 39.31 277.00 605.00 822.50 757.50 376.55 83.00 0.00 0.00 3761.64
NO YRS 83 82 83 83 84 80 80 82 83 82 83 82 73