HANKINSON, NORTH DAKOTA

Monthly Total Growing Degree Days

(323908)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199309
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
1929 0.00 z 0.00 z 0.00 z 268.39 b 462.00 770.00 1047.50 971.50 512.00 293.00 10.50 0.00 4334.89
1930 0.00 a 24.77 b 11.50 238.50 512.00 806.50 1102.00 1020.50 571.00 267.50 54.50 0.00 4608.77
1931 3.62 a 0.00 12.00 330.50 500.50 954.50 1110.83 a 898.50 821.00 363.00 75.50 0.00 5069.95
1932 0.00 a 19.50 0.00 205.50 615.00 907.50 1055.00 970.50 587.50 146.50 23.00 0.50 4530.50
1933 0.00 0.00 24.50 171.72 a 540.50 1037.50 1042.50 880.00 689.50 183.00 7.00 0.00 4576.22
1934 0.00 c 3.63 a 13.00 215.00 867.50 880.00 1053.00 898.00 449.00 361.50 52.50 0.00 4793.13
1935 0.00 b 0.00 d 20.84 b 142.00 417.50 710.00 1129.50 912.00 598.45 a 202.50 0.00 a 0.00 4132.79
1936 0.00 0.00 b 0.00 a 85.00 672.00 775.00 1218.09 b 967.50 662.50 133.30 a 5.00 0.00 4518.39
1937 0.00 a 0.00 b 0.00 120.50 533.00 736.50 1012.67 a 1064.00 546.50 186.00 28.00 0.00 4227.17
1938 0.00 0.00 67.00 206.50 394.50 742.78 c 992.00 a 1043.50 671.50 412.62 b 30.00 0.00 z 4560.40
1939 0.00 0.00 e 54.00 i 105.50 673.50 757.00 1024.00 913.00 589.14 a 200.00 27.00 18.48 e 4307.62
1940 0.00 c 0.00 b 0.00 c 134.00 423.00 f 762.41 a 1044.00 871.50 687.86 b 402.50 14.00 0.00 b 3916.27
1941 0.00 j 0.00 h 1.50 j 242.00 672.70 a 833.00 1040.00 918.00 588.00 289.33 a 16.00 9.62 b 4608.65
1942 1.00 0.00 6.50 292.00 392.00 705.50 909.00 893.50 447.50 328.94 d 15.00 b 0.00 3990.94
1943 0.00 a 0.00 20.50 201.50 367.00 747.50 1023.00 895.50 471.00 296.50 1.00 0.00 a 4023.50
1944 2.00 0.00 0.50 79.50 599.00 805.00 906.00 856.50 541.50 251.00 36.00 0.00 4077.00
1945 0.00 0.00 a 105.00 76.50 297.00 617.00 918.50 873.50 483.50 200.00 0.00 a 0.00 3571.00
1946 0.00 a 0.00 73.76 b 270.50 382.50 771.50 973.50 825.50 499.00 171.02 a 4.50 0.00 3971.78
1947 2.00 0.00 6.50 83.00 338.50 647.50 998.50 1089.50 608.00 441.50 25.50 0.00 4240.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1011.00 930.50 781.03 a 223.00 42.00 0.00 a 2987.53
1949 0.00 a 0.00 0.00 b 219.83 a 561.74 b 807.00 999.00 1043.50 480.50 263.50 a 44.00 0.00 4419.07
1950 0.00 b 0.00 f 0.00 50.00 306.50 f 805.71 b 877.82 a 785.50 631.50 275.50 22.50 0.00 d 3448.53
1951 0.00 a 0.00 d 0.00 126.00 620.00 c 632.00 908.00 801.00 435.00 232.00 1.67 c 0.00 3755.67
1952 0.00 0.00 b 0.00 b 276.67 c 327.00 l 563.50 i 970.00 905.41 b 662.00 156.03 a 29.48 a 0.00 2999.60
1953 0.00 b 0.00 a 15.50 a 62.59 a 477.00 781.00 964.00 937.75 a 550.86 a 424.50 80.17 a 0.00 b 4293.37
1954 0.00 b 1.04 a 2.50 172.24 a 341.00 720.54 b 967.89 d 863.87 a 518.28 a 173.27 c 41.50 f 0.00 b 3760.61
1955 0.00 0.00 0.00 d 289.00 g 717.17 e 733.00 1059.50 998.20 a 537.00 270.50 9.00 0.00 4324.37
1956 0.00 0.00 b 0.50 30.54 b 437.00 889.00 862.00 883.50 443.00 350.30 a 37.50 0.00 a 3933.34
1957 0.00 a 0.00 7.00 197.07 a 450.50 694.00 1060.00 837.50 473.50 226.30 a 10.00 0.00 3955.87
1958 0.00 17.00 5.50 157.50 537.33 a 0.00 z 825.38 c 950.09 d 577.80 e 211.00 h 17.00 n 0.00 g 3070.60
1959 0.00 a 0.00 14.50 143.04 b 402.43 d 846.72 a 953.50 977.53 a 556.03 a 98.50 0.00 0.00 3992.25
1960 0.00 0.00 0.00 140.50 489.00 707.00 960.00 912.95 a 594.50 275.50 15.00 0.00 4094.45
1961 0.00 a 3.11 a 18.00 56.11 c 352.50 840.50 903.50 997.00 520.50 220.62 a 25.50 0.00 3937.34
1962 0.00 0.00 a 0.00 a 125.00 487.50 720.50 648.00 g 532.50 m 448.85 d 359.60 a 20.50 3.50 2165.45
1963 0.00 a 0.00 a 69.00 206.00 431.50 841.50 967.00 893.00 616.00 516.50 41.50 0.00 b 4582.00
1964 0.00 0.00 1.00 167.07 a 585.00 783.00 1046.50 813.23 a 472.50 181.50 g 85.34 a 0.00 3953.65
1965 0.00 b 0.00 d 0.00 92.50 494.50 741.00 908.30 a 851.50 261.21 a 284.68 a 44.50 0.00 3678.19
1966 0.00 0.00 a 33.87 d 63.50 384.92 a 782.14 b 1091.50 814.50 575.00 219.07 a 0.00 a 0.00 3964.50
1967 0.00 0.00 37.50 95.17 a 332.50 698.28 a 884.02 a 843.50 576.00 195.30 a 25.50 0.00 3687.76
1968 0.00 0.00 115.00 157.50 361.15 a 738.50 916.57 a 868.50 554.50 225.00 14.50 0.00 3951.22
1969 0.00 0.00 0.00 155.00 502.20 a 579.83 a 895.50 1020.00 598.50 114.50 27.93 a 5.00 3898.46
1970 0.00 0.00 0.00 113.00 432.45 a 852.00 1025.00 943.95 a 583.50 242.00 2.00 0.00 4193.90
1971 0.00 0.00 8.00 231.50 434.50 846.50 810.13 a 898.50 558.00 316.50 3.21 b 0.00 4106.85
1972 0.00 0.00 5.50 100.50 575.00 789.00 963.07 a 907.50 472.50 203.57 a 2.50 0.00 4019.13
1973 0.00 0.00 16.00 156.50 483.00 832.50 b 0.00 z 1028.00 0.00 z 354.29 c 15.00 0.00 2885.29
1974 0.00 0.00 3.00 157.00 364.00 768.00 1092.50 855.00 480.50 292.50 35.00 0.50 4048.00
1975 0.00 0.00 6.00 55.86 a 585.00 821.50 1158.22 b 893.00 488.50 327.00 117.41 a 0.00 4452.50
1976 0.00 5.00 37.00 266.00 526.48 a 901.50 1039.50 1042.00 579.00 210.50 12.00 0.00 b 4618.98
1977 0.00 0.00 f 31.50 314.50 699.64 b 732.00 968.50 687.17 a 499.50 198.50 55.18 b 0.00 4186.48
1978 0.00 0.00 12.50 114.50 569.50 739.00 922.00 888.00 685.50 163.50 60.50 0.00 a 4155.00
1979 0.00 0.00 0.00 83.00 328.00 710.00 957.00 817.00 640.50 188.50 6.21 a 0.00 a 3730.21
1980 0.00 0.00 0.00 a 311.50 675.00 780.50 1003.88 a 844.00 525.00 188.00 39.00 0.00 4366.88
1981 0.00 a 14.50 51.00 236.00 507.00 727.00 989.00 940.50 594.00 206.50 95.50 0.00 4361.00
1982 0.00 0.00 2.50 166.50 571.50 649.50 1020.00 927.50 549.00 191.50 5.50 5.00 4088.50
1983 0.00 2.00 5.00 107.50 392.00 794.50 1120.00 1099.50 577.00 183.00 39.00 0.00 4319.50
1984 0.00 0.00 0.50 156.50 456.00 794.00 968.00 1011.50 444.00 299.50 25.00 0.00 4155.00
1985 0.00 b 0.00 33.00 267.00 659.00 654.00 953.50 782.00 468.00 177.00 8.00 0.00 4001.50
1986 0.00 a 0.00 56.50 175.86 a 551.50 856.50 993.00 792.50 499.50 218.00 9.00 0.00 4152.36
1987 1.00 1.50 19.00 366.00 648.50 902.00 1018.50 852.50 600.50 138.50 41.00 0.00 4589.00
1988 0.00 0.00 9.00 173.50 698.00 1014.31 a 1065.50 959.00 545.50 173.50 4.00 0.00 4642.31
1989 0.00 0.00 2.00 148.45 a 548.00 732.00 1073.50 900.50 533.00 275.50 12.00 0.00 4224.95
1990 0.00 0.00 23.50 220.00 442.50 796.50 914.00 888.50 656.50 175.00 50.50 3.50 4170.50
1991 0.00 6.00 11.50 216.50 618.50 879.00 949.50 997.00 555.50 200.00 7.00 0.00 4440.50
1992 0.00 1.50 23.50 114.00 599.00 695.50 747.00 767.00 513.00 245.00 0.00 0.00 3705.50
1993 0.00 0.00 4.50 121.00 508.00 663.50 851.00 891.00 420.50 0.00 z 0.00 z 0.00 z 3459.50
Period of Record Statistics
MEAN 0.16 1.66 17.09 167.22 509.41 778.04 987.82 911.00 552.45 248.42 26.55 0.74 4184.02
S.D. 0.59 4.91 25.18 77.48 119.83 89.51 87.18 83.48 89.74 85.88 25.63 2.79 318.15
SKEW 4.32 3.42 2.18 0.46 0.41 0.49 -0.11 0.12 0.16 0.86 1.40 4.91 0.40
MAX 3.62 24.77 115.00 366.00 867.50 1037.50 1218.09 1099.50 821.00 516.50 117.41 18.48 5069.95
MIN 0.00 0.00 0.00 30.54 297.00 579.83 747.00 687.17 261.21 98.50 0.00 0.00 3571.00
NO YRS 62 60 61 63 61 62 63 64 64 62 62 62 49