LEEDS, NORTH DAKOTA

Monthly Total Growing Degree Days

(325078)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200705
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
1935 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 512.14 b 255.23 a 0.00 0.00 767.38
1936 0.00 0.00 0.00 a 118.00 0.00 z 786.50 1189.00 867.00 596.00 0.00 z 0.00 z 0.00 z 3556.50
1937 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 z 0.00 z 0.00
1938 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 z 0.00 z 0.00
1939 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 148.00 6.00 0.00 z 154.00
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 680.50 l 825.63 a 0.00 z 0.00 z 0.00 z 0.00 z 825.63
1941 0.00 z 0.00 0.00 163.97 a 535.00 702.00 918.63 a 898.00 432.50 174.63 a 0.54 b 11.00 3836.27
1942 0.00 0.00 a 2.07 a 198.50 328.00 617.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1145.57
1943 0.00 0.00 2.50 202.00 360.00 618.00 983.00 892.50 465.52 a 298.00 2.00 0.00 3823.52
1944 0.00 0.00 0.00 126.50 586.00 680.00 c 869.50 813.50 470.00 265.00 13.50 0.00 a 3824.00
1945 0.00 0.00 86.50 43.50 223.50 550.50 850.50 811.50 372.00 191.00 0.00 0.00 3129.00
1946 0.00 a 0.00 c 54.00 272.50 384.00 697.00 916.00 743.00 495.00 b 112.50 8.00 0.00 3682.00
1947 0.00 a 0.00 b 1.00 90.00 305.00 591.00 964.00 965.00 450.50 330.67 a 13.00 0.00 a 3710.17
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 894.83 e 899.50 729.50 219.50 5.36 b 0.00 2748.68
1949 0.00 0.00 0.00 257.50 523.50 757.50 952.22 a 1004.00 489.00 196.50 28.50 0.00 4208.72
1950 0.00 a 0.00 0.00 38.50 324.50 672.00 823.50 752.50 535.50 199.00 5.50 0.00 b 3351.00
1951 0.00 0.00 0.00 b 94.50 537.50 435.00 g 883.50 b 720.48 b 394.00 180.00 0.00 a 0.00 a 2809.98
1952 0.00 c 0.00 0.50 364.66 a 494.00 607.00 f 861.28 a 853.00 624.11 b 149.12 b 18.50 g 0.00 3346.67
1953 0.00 b 0.00 2.00 43.50 419.53 a 685.96 d 836.50 919.50 478.93 b 361.50 52.00 0.00 3799.42
1954 0.00 0.00 0.00 104.50 321.50 677.50 928.00 771.50 404.50 158.00 22.00 0.00 3387.50
1955 0.00 a 0.00 a 10.50 261.72 a 521.32 a 677.00 937.00 907.27 a 469.00 204.50 0.00 0.00 c 3988.31
1956 0.00 a 0.00 0.00 a 19.00 414.50 844.00 810.00 815.50 399.31 a 285.00 4.50 0.00 a 3591.81
1957 0.00 0.00 5.00 154.00 463.50 608.00 1017.83 a 798.50 408.50 194.50 0.00 0.00 3649.83
1958 0.00 7.00 11.00 166.00 528.50 576.50 774.00 835.00 514.50 216.00 15.00 0.00 3643.50
1959 0.00 0.00 24.50 103.50 346.68 a 756.72 a 926.00 941.50 470.50 65.50 0.00 0.00 3634.91
1960 0.00 a 0.00 0.00 86.50 450.00 652.50 968.50 886.00 574.00 226.50 0.00 0.00 3844.00
1961 0.00 0.00 7.00 68.79 a 401.50 850.50 888.00 1020.93 a 370.18 b 233.00 17.00 0.00 3856.90
1962 0.00 0.00 a 1.00 168.50 363.50 727.50 797.00 865.00 428.00 259.50 9.31 a 0.00 3619.31
1963 0.00 0.00 73.50 139.50 402.00 0.00 z 964.50 867.50 619.14 a 487.50 14.00 0.00 3567.64
1964 0.00 0.00 0.00 183.00 509.50 661.00 935.00 709.50 406.00 194.50 24.00 0.00 3622.50
1965 0.00 0.00 0.00 99.50 409.50 686.00 830.00 807.00 203.50 223.00 22.50 0.00 a 3281.00
1966 0.00 0.00 30.00 51.00 361.50 719.50 971.00 763.00 541.00 170.00 0.00 0.00 3607.00
1967 0.00 0.00 22.00 60.00 360.00 682.50 860.00 847.50 637.22 c 157.00 6.00 0.00 3632.22
1968 0.00 0.00 36.50 154.14 a 311.50 640.50 842.50 728.50 499.00 152.00 3.50 0.00 3368.14
1969 0.00 0.00 0.00 181.00 466.50 516.00 851.50 984.00 568.00 76.50 14.50 3.00 3661.00
1970 0.00 a 0.00 0.00 53.00 351.50 851.50 925.50 873.50 511.00 170.00 0.00 0.00 3736.00
1971 0.00 0.00 0.00 161.00 460.00 771.00 778.50 848.50 444.50 185.00 0.00 0.00 3648.50
1972 0.00 0.00 1.00 73.50 519.50 736.50 719.50 840.00 330.00 113.50 0.00 0.00 3333.50
1973 0.00 b 0.00 17.00 81.50 382.50 709.66 a 807.50 893.50 419.00 259.00 0.00 0.00 3569.66
1974 0.00 0.00 0.00 102.50 258.50 690.50 987.50 716.00 370.50 205.50 4.14 a 0.00 3335.14
1975 0.00 0.00 1.00 27.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 28.00
1976 0.00 f 0.00 0.00 155.50 428.50 742.00 851.50 852.00 516.00 136.00 14.00 0.00 3695.50
1977 0.00 0.00 19.00 116.50 l 594.50 h 708.00 845.50 589.00 438.00 192.50 33.00 0.00 2825.00
1978 0.00 0.00 0.00 82.50 539.00 674.50 836.50 777.00 596.00 149.50 32.00 0.00 3687.00
1979 0.00 0.00 0.00 5.50 254.50 688.50 929.00 720.50 525.00 120.00 0.00 0.00 3243.00
1980 0.00 0.00 0.00 238.00 589.00 657.50 874.00 657.50 404.00 172.50 26.00 0.00 3618.50
1981 0.00 0.00 9.00 146.50 378.50 615.00 867.00 887.50 456.00 149.50 67.50 0.00 3576.50
1982 0.00 0.00 1.00 107.00 421.00 544.50 872.00 743.00 448.50 128.50 0.00 0.00 3265.50
1983 0.00 0.00 0.00 58.50 283.50 651.50 968.00 976.00 454.00 120.00 24.00 0.00 3535.50
1984 0.00 0.00 0.00 a 127.00 352.50 676.50 869.00 926.00 322.00 215.00 1.50 0.00 3489.50
1985 0.00 0.00 8.50 175.00 517.00 501.00 813.50 625.00 329.00 118.50 3.50 0.00 3091.00
1986 0.00 a 0.00 z 43.00 99.50 473.00 740.50 820.00 745.00 371.00 160.50 0.00 a 0.00 3452.50
1987 0.00 0.00 0.00 280.00 544.50 801.50 880.50 704.50 498.00 93.50 33.50 0.00 c 3836.00
1988 0.00 3.00 4.50 137.59 a 613.50 983.00 951.00 862.00 429.50 162.50 0.50 0.00 4147.09
1989 0.00 0.00 a 0.00 110.00 502.00 660.00 1025.50 865.50 492.00 212.50 1.00 0.00 3868.50
1990 0.00 0.00 15.00 161.50 355.50 716.00 836.00 879.00 557.00 134.50 15.50 0.50 3670.50
1991 0.00 8.50 10.50 164.00 545.00 768.00 869.50 891.00 452.50 121.00 0.00 0.00 3830.00
1992 0.00 0.00 9.00 89.00 500.50 631.50 673.50 690.00 371.00 184.50 0.00 0.00 3149.00
1993 0.00 0.00 0.00 56.00 399.00 551.00 681.00 750.00 359.50 110.50 2.50 0.00 2909.50
1994 0.00 0.00 2.00 100.00 478.00 705.50 761.00 754.00 587.00 228.50 0.00 0.00 3616.00
1995 0.00 0.00 2.50 24.31 a 348.50 811.50 840.00 858.00 483.50 122.50 0.00 0.00 3490.81
1996 0.00 0.00 0.00 34.50 345.50 778.50 825.50 876.00 480.00 0.00 z 0.00 z 0.00 z 3340.00
1997 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 216.50 0.50 0.00 217.00
1998 0.00 0.00 11.50 212.00 547.50 614.50 877.00 911.50 592.50 154.00 0.00 0.00 3920.50
1999 0.00 0.00 7.00 149.50 462.50 672.00 882.00 809.50 401.50 118.00 49.00 0.00 3551.00
2000 0.00 1.00 42.50 129.50 475.00 592.00 882.50 841.50 461.00 208.00 7.00 0.00 3640.00
2001 0.00 0.00 0.00 132.50 504.00 672.00 884.50 892.50 504.00 140.00 62.50 0.00 3792.00
2002 1.00 0.00 0.00 95.50 287.00 791.50 945.50 781.00 535.00 13.00 1.50 0.00 3451.00
2003 0.00 0.00 11.00 194.00 391.50 671.50 848.50 923.00 483.50 263.00 0.00 0.00 3786.00
2004 0.00 0.00 0.00 77.50 266.50 591.50 829.50 582.50 538.00 173.50 16.00 0.00 3075.00
2005 0.00 a 0.00 4.50 193.50 355.00 722.00 852.00 749.00 542.50 173.50 18.00 0.00 3610.00
2006 0.00 0.00 0.00 257.50 470.00 757.00 979.00 846.00 0.00 z 0.00 z 7.00 0.00 3316.50
2007 0.00 0.00 z 22.00 198.50 455.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 675.50
Period of Record Statistics
MEAN 0.02 0.30 9.26 130.84 423.91 689.87 880.18 825.38 472.81 184.51 11.04 0.23 3592.23
S.D. 0.12 1.41 17.32 73.26 93.89 88.04 83.00 95.03 89.49 72.97 15.62 1.42 264.50
SKEW 7.81 4.95 2.69 0.68 -0.07 0.44 0.44 -0.41 0.02 1.21 1.89 7.11 -0.32
MAX 1.00 8.50 86.50 364.66 613.50 983.00 1189.00 1020.93 729.50 487.50 67.50 11.00 4208.72
MIN 0.00 0.00 0.00 5.50 223.50 501.00 673.50 582.50 203.50 13.00 0.00 0.00 2909.50
NO YRS 64 64 66 65 63 61 64 65 64 64 64 64 53