BIRD ISLAND, MINNESOTA

Monthly Total Growing Degree Days

(210783)

Base Temperature = 50 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 0.00 6.00 161.50 0.00 z 0.00 z 532.50 328.50 64.00 7.50 0.00 b 1100.00
1894 0.00 a 0.00 12.00 99.00 245.00 565.00 708.00 616.00 364.00 44.50 0.00 0.00 b 2653.50
1895 0.00 a 0.00 d 0.00 104.50 303.69 d 492.50 591.00 579.00 426.50 42.00 3.50 0.00 2542.69
1896 0.00 0.00 0.00 93.50 357.50 491.50 564.00 576.50 199.00 42.00 0.00 0.00 2324.00
1897 0.00 0.00 0.00 52.00 230.50 405.50 662.00 447.50 494.00 146.00 1.00 0.00 2438.50
1898 0.00 0.00 0.00 30.50 206.50 507.00 681.00 578.00 359.50 54.50 3.00 0.00 a 2420.00
1899 0.00 0.00 0.00 91.00 222.00 487.00 692.50 649.00 273.00 128.00 0.00 0.00 2542.50
1900 0.00 0.00 0.00 134.50 343.00 538.50 660.50 846.00 365.50 218.50 3.00 0.00 3109.50
1901 0.00 0.00 0.00 127.50 311.11 c 519.50 826.50 702.00 292.00 115.22 a 0.00 0.00 2893.82
1902 0.00 0.00 a 2.50 32.00 317.50 347.00 631.00 411.50 h 193.00 73.00 3.50 0.00 1599.50
1903 0.00 0.00 0.00 13.00 241.00 399.00 257.50 r 484.50 276.00 56.50 4.00 0.00 1474.00
1904 0.00 0.00 0.00 15.50 228.88 a 241.50 m 512.50 525.50 275.00 87.50 7.50 0.00 a 1652.38
1905 0.00 0.00 7.00 52.00 163.00 471.50 562.00 635.00 431.00 105.50 2.50 0.00 2429.50
1906 0.00 0.00 0.00 a 90.50 248.00 435.00 b 577.00 627.23 a 429.50 81.00 5.00 0.00 b 2493.23
1907 0.00 0.00 a 2.00 0.00 a 84.00 448.50 619.50 555.50 290.00 73.88 a 0.00 0.00 a 2073.38
1908 0.00 a 0.00 0.00 101.50 223.00 412.50 647.00 524.50 526.00 97.00 0.00 0.00 2531.50
1909 0.00 0.00 0.00 8.50 229.50 474.83 a 614.32 a 735.73 a 313.00 112.00 18.50 0.00 a 2506.38
1910 0.00 0.00 70.00 134.00 138.00 554.50 670.50 552.50 358.00 215.00 0.00 0.00 2692.50
1911 0.00 a 0.00 7.00 68.00 396.28 a 655.00 608.00 461.00 310.50 39.00 0.00 0.00 2544.78
1912 0.00 0.00 0.00 45.50 251.50 386.00 614.00 512.00 335.00 113.00 0.00 0.00 2257.00
1913 0.00 0.00 0.00 106.50 178.50 558.50 604.50 673.00 381.00 117.50 6.50 0.00 2626.00
1914 0.00 0.00 0.00 67.00 322.00 529.50 754.00 560.00 342.00 211.00 6.72 a 0.00 2792.22
1915 0.00 0.00 0.00 219.50 157.50 367.50 522.00 482.50 318.00 106.50 3.50 0.00 2177.00
1916 0.00 0.00 0.00 16.00 252.00 381.00 866.00 641.00 303.00 73.00 8.50 0.00 2540.50
1917 0.00 0.00 0.00 a 19.00 176.00 381.00 679.50 522.50 269.00 25.00 0.00 0.00 2072.00
1918 0.00 0.00 11.00 11.50 341.00 a 524.00 638.00 630.00 191.00 137.50 5.50 0.00 2489.50
1919 0.00 0.00 0.00 31.00 259.00 594.00 755.00 590.07 b 419.00 58.50 0.00 0.00 2706.57
1920 0.00 b 0.00 g 12.00 2.50 247.50 513.50 641.50 571.50 438.00 229.50 0.00 b 0.00 2656.00
1921 0.00 0.00 12.00 117.00 353.00 691.50 794.50 610.00 370.00 71.50 0.00 0.00 3019.50
1922 0.00 0.00 0.00 44.00 368.00 576.00 586.50 601.92 a 454.50 166.50 6.50 0.00 2803.92
1923 0.00 0.00 0.00 a 70.00 282.00 591.72 a 778.00 543.00 416.50 79.50 0.00 0.00 2760.72
1924 0.00 0.00 0.00 68.50 74.00 394.50 576.50 574.00 219.00 167.40 a 0.00 0.00 2073.90
1925 0.00 0.00 16.00 130.50 217.50 491.00 598.00 676.50 489.50 2.50 0.00 0.00 2621.50
1926 0.00 0.00 0.00 82.50 417.50 400.34 a 677.00 602.00 291.00 70.00 0.00 c 0.00 2540.34
1927 0.00 0.00 4.00 58.50 175.00 421.00 541.50 480.50 433.00 101.00 0.00 0.00 a 2214.50
1928 0.00 0.00 23.00 36.50 344.50 345.00 687.50 599.00 266.00 124.00 2.50 0.00 2428.00
1929 0.00 0.00 0.00 55.50 200.98 a 418.00 661.00 615.00 279.83 a 87.50 0.00 0.00 2317.81
1930 0.00 0.00 1.50 85.00 296.00 456.72 a 737.36 c 685.00 336.50 141.00 19.50 0.00 2758.58
1931 0.00 0.00 0.00 113.00 232.50 729.00 777.50 630.00 580.50 149.50 17.07 a 0.00 3229.07
1932 0.00 0.00 c 0.00 a 59.00 311.50 601.50 692.00 637.50 289.50 62.00 0.00 0.00 2653.00
1933 0.00 a 0.00 0.00 50.50 262.00 516.50 l 770.00 587.34 c 491.00 83.00 9.31 a 0.00 2253.15
1934 0.00 0.00 0.00 96.00 592.00 629.00 766.00 582.50 217.50 176.00 2.68 b 0.00 a 3061.68
1935 0.00 0.00 3.50 43.00 174.50 408.50 838.55 a 646.00 323.79 a 77.50 0.00 0.00 2515.34
1936 0.00 0.00 0.00 27.00 413.00 441.50 891.00 743.00 484.50 88.50 2.00 0.00 3090.50
1937 0.00 0.00 0.00 b 21.00 296.00 474.00 768.50 823.50 388.50 66.50 0.00 a 0.00 2838.00
1938 0.00 0.00 16.00 99.50 206.00 509.50 700.50 722.30 a 391.00 237.50 15.00 c 0.00 2897.30
1939 0.00 a 0.00 30.50 90.00 440.50 537.86 b 710.00 577.50 451.55 a 93.50 0.00 0.00 2931.41
1940 0.00 0.00 0.00 22.50 255.00 513.00 749.68 a 527.00 413.50 155.00 0.00 0.00 2635.68
1941 0.00 0.00 0.00 132.50 410.50 508.00 676.00 630.50 346.00 96.50 2.50 0.00 2802.50
1942 0.00 0.00 0.00 161.50 189.50 417.50 592.50 587.00 272.00 153.00 3.50 0.00 2376.50
1943 0.00 0.00 29.50 46.00 189.00 572.50 708.00 610.50 213.00 104.00 0.00 0.00 2472.50
1944 0.00 0.00 0.00 14.00 385.00 554.00 605.50 587.50 310.50 71.00 16.00 0.00 2543.50
1945 0.00 0.00 30.00 31.00 148.50 322.50 585.50 595.00 282.00 78.00 0.00 0.00 2072.50
1946 0.00 a 0.00 33.50 131.50 192.00 536.00 663.50 524.00 272.00 72.00 0.00 0.00 2424.50
1947 0.00 0.00 0.00 36.50 153.00 407.00 665.50 805.50 389.50 22.00 x 0.00 0.00 2457.00
1948 0.00 h 0.00 0.00 109.50 241.50 467.59 a 689.00 578.50 430.00 33.00 0.00 0.00 2549.09
1949 0.00 0.00 0.00 82.50 382.00 606.00 743.00 723.50 257.00 160.50 1.00 0.00 2955.50
1950 0.00 0.00 0.00 a 15.50 222.00 556.00 598.00 505.00 342.50 142.00 3.50 0.00 2384.50
1951 0.00 0.00 0.00 50.00 347.50 388.00 644.50 543.50 226.50 124.00 0.00 0.00 2324.00
1952 0.00 0.00 0.00 150.50 274.50 584.50 689.75 a 564.00 383.50 45.50 3.50 0.00 2695.75
1953 0.00 0.00 2.00 10.00 291.00 596.50 653.50 663.50 334.00 248.50 18.50 0.00 2817.50
1954 0.00 0.00 0.00 55.86 a 202.00 611.00 703.50 553.00 295.00 69.50 3.50 0.00 2493.36
1955 0.00 0.00 2.50 159.50 447.00 521.50 871.50 791.50 400.50 157.58 a 0.00 0.00 a 3351.58
1956 0.00 0.00 0.00 2.00 289.50 668.00 619.00 639.50 312.50 241.50 2.00 0.00 2774.00
1957 0.00 0.00 0.00 154.00 236.00 515.50 844.50 601.50 276.00 86.00 0.00 0.00 2713.50
1958 0.00 0.00 0.00 c 72.00 415.50 397.00 612.50 677.50 409.00 153.50 0.00 0.00 2737.00
1959 0.00 b 0.00 z 0.50 k 61.50 373.50 650.00 722.00 767.50 388.50 24.50 0.00 a 0.00 g 2987.50
1960 0.00 0.00 0.00 80.50 253.00 453.00 680.00 666.00 389.00 128.13 a 0.00 0.00 2649.63
1961 0.00 0.00 a 6.00 16.50 227.00 625.56 c 646.41 d 704.98 b 358.97 a 137.00 0.00 b 0.00 2722.41
1962 0.00 0.00 0.00 78.00 349.00 508.97 a 583.50 632.29 b 279.00 176.50 0.00 3.00 2610.26
1963 0.00 0.00 25.50 101.90 a 270.00 652.00 717.65 a 617.00 422.50 314.50 0.00 a 0.00 3121.05
1964 0.00 a 0.00 0.00 81.50 385.00 594.83 a 800.00 541.47 a 317.50 126.58 a 24.64 b 0.00 2871.52
1965 0.00 0.00 0.00 42.50 345.00 566.00 679.50 591.50 126.21 a 120.50 10.34 a 0.00 2481.55
1966 0.00 0.00 12.00 14.50 236.00 581.00 826.50 545.00 335.50 111.71 b 0.00 0.00 2662.21
1967 0.00 a 0.00 18.00 42.00 215.50 528.10 a 653.00 568.00 345.52 a 120.50 0.00 b 0.00 2490.62
1968 0.00 0.00 a 52.00 92.00 173.50 597.50 682.00 692.69 b 348.50 117.80 a 1.55 a 0.00 a 2757.54
1969 0.00 b 0.00 0.00 a 49.66 a 366.50 375.00 a 712.48 a 724.37 a 383.28 a 81.00 5.17 a 0.00 2697.45
1970 0.00 0.00 0.00 a 95.00 341.00 662.59 a 773.00 672.50 389.00 126.50 0.00 b 0.00 3059.59
1971 0.00 0.00 0.52 a 93.00 251.62 a 671.00 584.00 643.00 385.50 161.00 0.00 a 0.00 b 2789.63
1972 0.00 0.00 0.00 22.50 369.50 564.00 644.50 660.00 324.50 83.00 0.00 a 0.00 b 2668.00
1973 0.00 0.00 5.50 53.00 266.50 640.00 698.00 709.00 317.59 a 230.50 2.07 a 0.00 2922.16
1974 0.00 0.00 0.00 a 87.32 b 203.50 567.00 862.50 564.95 b 312.00 161.41 b 8.28 a 0.00 a 2766.96
1975 0.00 0.00 0.00 7.50 404.00 567.50 0.00 z 674.25 a 280.00 181.50 37.50 0.00 2152.25
1976 0.00 b 0.00 0.53 b 104.50 i 305.87 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 306.40
Period of Record Statistics
MEAN 0.00 0.00 5.39 67.17 274.98 513.78 682.92 615.00 343.88 115.92 3.71 0.04 2636.39
S.D. 0.00 0.00 12.07 45.85 91.34 94.44 86.46 82.66 82.64 59.66 6.56 0.33 275.69
SKEW 0.00 0.00 3.13 0.65 0.49 0.00 0.45 0.54 0.16 0.80 2.71 8.89 0.08
MAX 0.00 0.00 70.00 219.50 592.00 729.00 891.00 846.00 580.50 314.50 37.50 3.00 3351.58
MIN 0.00 0.00 0.00 0.00 74.00 322.50 512.50 447.50 126.21 2.50 0.00 0.00 2072.00
NO YRS 83 82 83 83 84 80 80 82 83 82 83 82 73