FT DUCHESNE, UTAH

Monthly Total Growing Degree Days

(422996)

Base Temperature = 40 F

File last updated on Apr 4, 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
1894 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 268.50 44.50 0.00 313.00
1895 0.00 0.00 37.50 259.50 474.50 607.50 869.50 634.98 a 0.00 z 0.00 z 0.00 z 0.00 z 2883.48
1896 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 5.00 0.00 5.00
1897 0.00 0.00 9.00 213.00 616.00 690.50 852.50 918.50 661.50 272.00 18.50 0.00 4251.50
1898 0.00 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
1899 0.00 0.00 50.50 218.00 411.00 737.00 959.00 823.50 694.00 169.50 11.00 0.00 4073.50
1900 0.00 0.50 106.00 253.00 575.00 871.50 998.00 888.50 498.00 225.50 11.00 0.00 4427.00
1901 0.00 4.00 41.50 245.00 630.50 726.50 1056.00 911.50 445.50 266.00 25.00 0.00 4351.50
1902 0.00 0.50 12.50 237.50 563.00 861.00 891.00 913.50 573.50 118.00 0.00 0.00 4170.50
1903 0.00 0.00 28.00 169.00 383.50 758.00 883.00 900.00 518.50 205.00 12.00 0.00 3857.00
1904 0.00 42.00 104.00 370.00 524.00 680.50 945.00 949.50 596.50 244.50 0.00 0.00 4456.00
1905 0.00 0.00 90.00 251.00 407.00 747.00 1002.00 974.50 643.50 175.50 12.50 0.00 4303.00
1906 0.00 0.00 63.00 278.50 504.00 675.00 929.50 892.50 621.00 249.00 73.50 0.00 4286.00
1907 0.00 1.00 114.50 379.00 398.50 574.00 919.50 848.00 0.00 z 0.00 z 46.00 0.00 3280.50
1908 0.00 0.00 72.50 300.50 315.50 574.00 931.00 857.50 507.50 123.00 0.00 0.00 3681.50
1909 0.00 0.00 4.50 181.50 429.50 762.00 1045.00 978.50 615.50 282.50 37.50 0.00 4336.50
1910 0.00 0.00 161.50 346.50 540.50 813.00 1032.00 923.50 732.00 256.00 55.50 1.00 4861.50
1911 6.50 1.00 96.00 269.00 509.50 787.50 946.00 922.00 658.50 259.50 2.50 0.00 4458.00
1912 0.00 1.50 8.00 136.00 410.50 705.50 935.50 899.50 425.50 146.00 11.00 0.00 3679.00
1913 0.00 0.00 34.50 255.00 605.00 715.50 942.00 938.00 682.00 181.00 23.50 0.00 4376.50
1914 0.00 0.00 50.00 272.50 507.00 680.50 951.50 880.00 681.50 265.50 30.50 0.00 4319.00
1915 0.00 0.00 69.50 367.00 424.00 644.50 922.00 925.00 582.00 297.00 16.00 0.00 4247.00
1916 0.00 0.00 29.40 b 319.00 373.00 884.00 887.00 887.00 303.50 o 0.00 z 0.00 z 0.00 z 3379.40
1917 0.00 z 2.00 11.00 95.00 275.00 663.00 1007.50 853.50 427.00 181.00 0.00 0.00 3515.00
1918 0.00 0.00 81.00 163.00 522.00 933.50 907.50 848.50 607.00 339.50 23.00 0.00 4425.00
1919 0.00 0.00 54.25 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 619.00 76.50 0.00 0.00 749.75
1920 0.00 0.00 19.00 132.00 530.50 659.00 976.00 809.00 536.50 160.00 0.50 0.00 3822.50
1921 0.00 4.00 72.00 108.00 469.00 777.50 960.50 855.00 566.00 357.00 2.00 0.00 4171.00
1922 0.00 0.00 25.50 128.00 416.00 751.50 954.50 938.00 636.00 236.00 3.50 0.00 4089.00
1923 0.00 0.00 6.00 155.00 283.50 384.50 966.00 873.00 516.50 119.00 0.00 0.00 3303.50
1924 0.00 0.00 0.00 159.00 442.50 695.00 887.50 795.50 473.50 158.00 3.00 0.00 3614.00
1925 0.00 0.00 43.50 244.00 586.50 639.00 965.00 887.50 467.50 122.50 0.00 0.00 3955.50
1926 0.00 0.00 64.00 238.45 a 458.50 729.00 751.00 724.00 480.50 252.50 4.50 0.00 3702.45
1927 0.00 0.00 32.00 187.50 392.00 701.50 903.00 781.00 547.00 217.50 31.00 0.00 3792.50
1928 0.00 0.00 e 41.50 l 130.50 555.50 612.50 839.58 a 742.50 542.50 231.50 24.83 a 0.00 3679.41
1929 0.00 0.00 8.00 66.50 275.00 559.00 934.00 756.00 f 501.00 231.00 0.00 0.00 a 2574.50
1930 0.00 1.50 15.00 306.50 396.00 670.50 935.50 849.50 532.00 159.50 0.00 0.00 3866.00
1931 0.00 0.00 4.00 129.50 346.50 696.00 928.50 721.00 490.00 168.00 0.00 0.00 a 3483.50
1932 0.00 0.00 18.50 241.00 522.00 707.50 953.50 910.00 632.50 222.50 3.00 0.00 4210.50
1933 0.00 h 0.00 44.00 181.50 384.00 628.50 g 1052.50 903.00 731.00 369.00 6.50 0.00 3671.50
1934 0.00 0.00 128.00 344.50 636.50 717.00 1041.00 983.00 571.00 291.50 37.50 0.00 4750.00
1935 0.00 0.00 14.50 159.50 385.50 789.50 988.00 882.00 640.50 230.43 a 0.00 0.00 4089.93
1936 0.00 3.50 34.50 328.00 587.97 a 875.50 1062.00 1013.00 579.00 241.00 0.00 0.00 4724.47
1937 0.00 0.00 8.00 178.50 588.50 714.00 983.00 940.00 657.50 275.00 14.00 0.00 4358.50
1938 0.00 1.50 24.00 264.00 449.50 807.00 924.00 911.00 677.00 289.50 5.50 0.00 4353.00
1939 0.00 0.00 66.50 296.50 333.00 m 526.00 g 968.23 a 856.00 601.50 217.50 15.00 0.00 3021.23
1940 0.00 b 0.00 d 59.00 h 177.50 k 342.50 o 685.00 f 906.50 787.83 b 384.50 k 265.00 0.50 0.00 1959.83
1941 0.00 0.00 40.50 154.00 539.18 c 431.50 k 921.00 869.00 467.31 d 186.57 d 24.00 e 0.00 c 3201.56
1942 0.00 e 0.00 i 0.00 191.54 d 412.00 686.00 954.00 858.00 536.90 a 277.45 a 25.00 0.00 a 3940.89
1943 1.00 2.50 59.50 363.00 448.00 637.00 942.50 930.50 656.50 267.00 h 3.00 0.00 4043.50
1944 0.00 0.00 6.50 135.00 537.50 648.00 921.50 867.50 628.00 328.00 50.50 0.00 4122.50
1945 0.00 1.50 20.50 143.00 495.00 583.50 957.00 950.00 577.00 363.45 b 25.00 0.00 4115.95
1946 0.00 g 0.00 72.50 357.50 421.50 730.80 e 989.00 916.50 635.50 177.45 b 2.50 1.55 a 4304.80
1947 0.00 c 0.50 74.29 b 213.00 607.60 a 644.50 964.00 643.50 i 505.00 i 262.50 h 0.00 d 0.00 2503.89
1948 0.00 0.00 5.34 b 189.00 j 549.70 c 749.00 932.67 b 728.50 f 680.50 247.00 g 11.50 0.00 2928.71
1949 0.00 a 0.00 10.85 a 316.15 d 526.48 a 700.00 919.00 872.13 a 633.50 223.31 d 7.00 0.00 g 4208.44
1950 0.00 0.00 15.00 256.00 371.00 648.00 862.83 a 823.00 597.78 c 370.81 e 49.66 a 0.00 3994.07
1951 0.00 4.15 a 31.52 a 223.33 c 500.50 621.50 961.50 869.50 593.79 a 241.00 8.00 0.00 4054.79
1952 0.00 c 0.00 0.00 163.50 g 172.50 u 0.00 z 634.00 h 229.00 w 535.50 f 309.48 a 10.50 0.00 319.98
1953 0.00 0.00 57.00 174.00 337.50 767.00 1041.00 856.00 654.50 237.50 37.50 0.00 4162.00
1954 0.00 12.00 40.00 282.50 610.00 729.00 1037.50 849.00 658.00 287.00 24.64 b 0.00 d 4529.64
1955 0.00 0.00 9.00 f 0.00 z 0.00 z 680.77 d 632.50 j 703.50 h 416.50 h 297.94 d 11.79 b 0.00 c 990.50
1956 0.00 0.00 62.00 c 238.39 b 577.50 791.00 942.18 c 820.43 b 627.50 302.25 e 0.00 0.00 e 4361.25
1957 0.00 0.00 c 57.00 156.11 c 444.50 699.64 b 950.84 b 917.08 a 521.50 288.41 c 18.00 2.30 d 4055.39
1958 0.00 b 17.77 b 23.50 138.75 b 589.00 c 812.22 c 883.00 975.97 b 609.50 116.50 n 61.00 4.50 4115.21
1959 0.00 b 0.00 a 14.93 d 243.46 d 472.75 c 815.00 c 942.00 874.41 b 538.45 a 187.07 b 23.04 b 0.00 b 4111.10
1960 0.00 b 0.00 68.00 236.00 465.00 753.60 e 978.10 b 845.50 657.32 b 266.17 b 12.32 b 0.00 4282.02
1961 0.00 a 0.00 a 33.00 184.00 492.26 b 842.50 978.00 966.50 421.03 a 184.28 d 0.00 0.00 4101.57
1962 0.00 2.00 11.37 a 304.00 473.78 a 728.50 946.50 874.50 612.00 302.25 a 33.00 0.00 4287.90
1963 0.00 1.50 41.50 159.00 585.50 685.00 1001.50 935.00 670.50 424.00 27.50 0.00 a 4531.00
1964 0.00 0.00 a 8.00 168.10 a 485.00 685.00 1022.50 869.50 549.50 272.50 1.00 0.00 4061.10
1965 0.00 0.00 12.00 208.00 405.50 617.50 934.50 821.50 423.00 293.50 80.50 0.00 3796.00
1966 0.00 0.00 a 55.00 222.00 534.50 718.50 984.00 881.50 638.50 180.00 30.00 0.00 4244.00
1967 0.00 0.00 65.50 156.50 407.00 607.00 1000.50 944.50 614.50 262.50 43.00 0.00 4101.00
1968 0.00 0.00 43.50 91.00 427.00 731.50 957.00 750.00 497.00 223.50 9.00 0.00 3729.50
1969 0.00 0.00 22.00 230.17 a 636.50 663.00 964.50 979.37 d 664.00 99.50 1.50 0.00 4260.54
1970 0.00 0.00 21.00 88.00 478.00 715.50 958.50 998.72 a 481.50 132.50 19.00 0.00 3892.72
1971 0.00 0.00 62.50 173.50 437.50 740.50 976.50 e 978.50 440.89 b 219.58 a 0.00 0.00 a 4029.48
1972 0.00 6.73 a 152.02 e 187.24 a 517.91 b 803.00 665.00 j 710.50 g 580.71 b 307.93 a 3.10 a 0.00 b 2558.66
1973 0.00 0.00 a 13.84 c 142.24 a 470.17 d 687.41 a 747.00 f 917.00 522.86 b 164.00 i 19.14 a 0.00 b 2772.66
1974 0.00 0.00 77.00 138.21 b 382.00 g 781.03 a 975.35 d 851.50 583.33 c 325.50 c 14.00 i 0.00 l 3731.93
1975 0.50 0.00 24.00 k 93.00 e 370.40 b 616.00 1022.48 a 654.00 f 452.50 g 0.00 z 2.00 r 0.00 j 2102.38
1976 0.00 i 0.00 j 20.50 f 109.00 i 554.00 665.40 e 783.00 h 910.00 623.79 a 136.50 j 11.50 g 0.00 f 2753.19
1977 0.00 0.00 m 15.50 f 317.59 a 442.02 b 920.19 d 1019.50 827.38 b 541.00 287.78 a 19.20 e 7.46 d 4382.12
1978 0.00 b 0.00 115.14 c 279.23 d 431.86 b 719.44 c 999.48 b 853.07 d 453.00 f 261.50 f 32.50 f 0.00 l 3398.24
1979 0.00 b 0.00 d 9.62 b 211.15 d 515.93 c 745.50 988.00 883.50 d 715.96 d 289.91 d 0.00 e 0.00 p 4359.57
1980 0.00 u 0.00 p 4.00 i 178.50 l 456.50 781.61 b 1025.00 888.00 627.00 253.88 b 66.50 0.00 4098.49
1981 0.00 0.56 c 39.78 a 334.50 498.50 844.50 755.50 h 950.15 a 716.00 183.00 43.50 0.00 3610.49
1982 0.00 5.00 56.00 162.00 482.00 713.00 1014.22 a 1007.50 613.50 152.50 1.50 0.00 4207.22
1983 0.00 0.00 57.00 134.00 387.50 720.00 941.50 1033.00 692.00 285.50 64.00 0.00 4314.50
1984 0.00 0.00 1.50 160.50 586.00 697.50 1008.00 937.00 574.50 201.00 33.50 0.00 4199.50
1985 0.00 0.00 35.00 323.00 597.50 827.50 1037.50 941.50 519.50 219.50 34.50 0.00 4535.50
1986 0.00 46.00 184.00 241.00 523.00 909.00 988.00 1002.00 547.00 225.00 9.00 0.00 4674.00
1987 0.00 0.00 27.50 330.50 584.50 847.00 957.50 887.50 640.00 340.50 58.50 0.00 4673.50
1988 0.00 0.00 36.50 273.00 544.50 904.00 1100.00 994.00 574.50 431.00 50.50 0.00 4908.00
1989 0.00 0.00 89.50 389.00 552.50 769.50 1093.50 918.00 626.00 326.00 36.50 0.00 4800.50
1990 0.00 0.00 102.30 a 366.00 502.00 836.50 0.00 z 0.00 z 255.00 s 292.00 21.00 0.00 2119.80
1991 0.00 i 0.00 i 23.00 208.50 498.50 785.50 1005.00 984.50 663.00 391.50 13.00 0.00 4572.50
1992 0.00 0.50 131.50 401.00 659.50 772.00 904.00 964.00 0.00 z 355.50 3.00 0.00 4191.00
1993 0.00 0.00 88.00 214.00 581.50 697.50 885.00 874.50 588.50 250.50 0.50 0.00 4180.00
1994 0.00 0.00 111.00 294.00 624.50 903.00 1101.00 1086.00 697.50 272.50 16.00 0.00 5105.50
1995 0.00 26.50 108.50 187.50 400.00 666.50 962.50 1024.00 700.00 251.50 33.00 1.50 4361.50
1996 0.00 3.50 77.50 257.50 555.00 861.50 0.00 z 1009.00 0.00 z 309.00 18.00 0.00 3091.00
1997 0.00 0.00 86.50 195.50 571.50 861.00 960.50 962.50 0.00 z 302.50 0.00 i 0.00 3940.00
1998 0.00 0.00 108.00 o 189.00 526.50 542.50 1100.50 983.50 765.50 190.00 i 44.50 2.50 4154.50
1999 0.00 9.50 106.50 113.50 339.28 d 706.00 1082.50 925.00 599.50 516.00 64.00 0.00 4461.78
2000 0.50 27.50 107.31 e 485.50 789.00 922.76 a 1185.50 1248.78 a 822.93 a 77.00 r 0.00 z 0.00 z 5589.78
2001 0.00 g 0.00 o 41.00 n 162.50 l 376.00 k 581.00 h 774.50 i 784.00 g 414.00 m 162.00 q 33.50 n 0.00 q 0.00
2002 0.00 m 0.00 n 9.50 o 186.00 n 217.00 s 496.00 n 1175.00 547.50 n 380.00 n 107.00 o 0.00 l 0.00 m 1175.00
2003 0.00 m 0.00 j 58.50 n 166.50 m 279.50 n 546.50 j 826.00 i 516.50 p 288.50 p 299.00 m 0.00 p 0.00 p 0.00
2004 0.00 m 0.00 k 140.50 i 224.00 i 302.50 o 535.00 i 670.00 j 494.50 n 375.00 m 136.50 m 21.50 g 0.00 z 0.00
2005 0.00 n 0.00 71.50 245.50 553.00 700.50 1093.50 611.00 k 64.50 z 200.00 k 58.00 0.00 2722.00
2006 0.00 6.50 45.50 296.50 600.50 878.50 1126.00 904.00 526.50 211.50 24.00 h 0.00 4595.50
2007 0.00 2.00 159.50 294.50 578.50 872.50 1147.00 1036.00 675.00 254.50 48.00 0.00 a 5067.50
2008 0.00 0.00 24.00 114.50 0.00 z 737.50 812.00 g 992.00 593.50 299.50 39.00 4.50 2804.50
2009 0.00 b 4.00 f 97.50 197.00 591.98 e 243.50 s 1043.87 e 906.50 718.50 195.00 43.50 0.00 3793.85
2010 0.00 0.00 7.00 h 0.00 z 83.00 z 410.50 o 682.00 k 961.00 157.00 x 0.00 z 53.50 0.00 b 1014.50
2011 0.00 0.00 42.50 180.00 a 394.50 715.00 991.40 e 806.50 f 699.44 c 311.50 5.17 a 0.00 3339.52
2012 2.50 3.00 149.50 334.50 566.50 860.00 1053.50 1016.50 704.00 295.00 62.00 0.50 5047.50
2013 0.00 0.00 45.95 c 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 45.95
Period of Record Statistics
MEAN 0.10 2.24 52.02 227.44 492.48 733.45 975.51 905.97 596.97 251.94 21.15 0.25 4234.88
S.D. 0.68 7.22 41.78 83.55 93.30 95.58 71.50 82.31 83.71 75.59 20.83 1.02 366.87
SKEW 8.37 4.53 0.95 0.42 -0.04 -0.17 0.40 0.23 -0.14 0.34 0.86 5.10 0.15
MAX 6.50 46.00 184.00 485.50 789.00 933.50 1185.50 1248.78 822.93 516.00 80.50 7.46 5105.50
MIN 0.00 0.00 0.00 66.50 275.00 384.50 751.00 634.98 421.03 76.50 0.00 0.00 3303.50
NO YRS 107 108 105 104 104 104 102 101 97 98 105 105 69