LOGAN UT STATE UNIV, UTAH

Monthly Total Growing Degree Days

(425186)

Base Temperature = 50 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
1893 0.00 a 0.00 a 0.00 29.00 182.50 424.50 478.00 k 587.85 d 310.56 c 73.88 a 12.41 a 0.00 c 1620.70
1894 0.00 c 0.00 a 0.00 a 45.52 a 300.59 c 346.15 d 684.00 665.90 e 266.25 b 83.00 0.00 0.00 2391.41
1895 0.00 0.00 10.00 49.50 146.00 322.00 461.50 496.00 216.00 113.00 0.00 0.00 1814.00
1896 0.00 0.00 6.50 26.50 80.00 484.50 660.50 633.00 321.00 128.50 5.50 0.00 2346.00
1897 0.00 0.00 0.00 47.50 347.00 379.50 576.00 715.50 416.00 72.50 5.50 0.00 2559.50
1898 0.00 0.00 0.00 109.00 114.50 425.00 686.00 774.50 373.50 16.50 1.00 0.00 2500.00
1899 0.00 0.00 0.00 57.00 100.00 365.50 692.00 491.50 451.00 58.00 0.00 0.00 2215.00
1900 0.00 0.00 12.50 60.00 246.50 605.50 642.50 595.50 316.50 108.00 0.00 0.00 2587.00
1901 0.00 0.00 0.00 70.00 341.00 345.00 828.50 709.50 282.50 133.00 3.50 0.00 2713.00
1902 0.00 0.00 0.00 42.00 246.00 463.50 575.00 633.50 332.50 79.50 8.00 0.00 2380.00
1903 0.00 0.00 3.00 60.50 136.50 509.50 578.00 697.50 283.50 62.00 2.00 0.00 2332.50
1904 0.00 0.00 0.00 70.00 205.00 377.00 675.50 515.50 429.00 121.50 0.00 0.00 2393.50
1905 0.00 0.00 8.00 109.50 199.50 455.00 743.00 727.00 438.00 80.50 4.00 0.00 2764.50
1906 0.00 0.00 0.00 69.50 132.00 251.00 649.00 461.00 217.00 10.50 0.00 2.00 1792.00
1907 0.00 0.00 7.50 51.50 119.50 328.00 657.50 550.50 326.50 168.50 0.00 0.00 2209.50
1908 0.00 0.00 24.50 119.00 76.00 204.50 692.00 545.50 349.00 63.00 0.00 0.00 2073.50
1909 0.00 0.00 0.00 3.00 44.00 572.00 681.00 712.00 335.50 97.00 2.00 0.00 2446.50
1910 0.00 0.00 20.00 155.00 253.00 514.50 788.50 645.50 379.00 74.00 9.00 0.00 2838.50
1911 0.00 0.00 6.00 33.00 141.00 424.00 605.50 595.00 318.00 28.50 0.00 0.00 2151.00
1912 0.00 0.00 0.00 17.50 135.00 446.50 566.50 512.50 139.00 29.00 5.50 0.00 1851.50
1913 0.00 0.00 5.50 84.00 276.00 421.50 586.50 669.50 345.00 77.00 3.00 0.00 2468.00
1914 0.00 0.00 0.00 24.50 286.00 384.00 687.00 674.50 334.00 94.50 11.00 0.00 2495.50
1915 0.00 0.00 23.00 178.50 165.00 325.50 628.50 721.50 339.00 101.50 12.50 0.00 2495.00
1916 0.00 0.00 10.00 94.50 125.50 400.50 750.50 699.00 401.00 28.00 4.50 0.00 2513.50
1917 0.00 0.00 0.00 11.50 100.00 360.50 779.00 678.00 401.50 139.50 3.00 2.00 2475.00
1918 0.00 0.00 18.00 45.50 164.00 661.50 715.50 591.00 426.00 139.50 3.00 0.00 2764.00
1919 0.00 0.00 7.00 86.50 325.50 578.50 777.50 717.50 390.50 8.50 2.50 0.00 2894.00
1920 0.00 0.00 0.00 3.00 153.00 361.50 678.00 614.50 295.50 50.00 0.00 0.00 2155.50
1921 0.00 0.00 6.00 22.50 149.50 422.50 705.00 646.50 274.50 196.00 4.50 0.00 2427.00
1922 0.00 0.00 0.00 5.50 220.00 601.00 720.50 761.00 480.00 144.00 0.00 0.00 2932.00
1923 0.00 0.00 0.50 25.00 195.00 324.00 766.00 634.00 388.50 26.50 1.50 0.00 2361.00
1924 0.00 0.00 0.00 33.50 247.50 489.00 699.00 663.50 369.50 49.50 6.50 0.00 2558.00
1925 0.00 0.00 9.50 98.50 287.50 379.50 752.50 603.50 334.00 51.50 0.00 0.00 2516.50
1926 0.00 0.00 4.00 123.00 267.00 561.00 724.00 680.50 297.50 96.00 0.00 0.00 2753.00
1927 0.00 0.00 0.00 81.50 179.00 467.00 719.50 592.50 344.50 152.50 18.00 0.00 2554.50
1928 0.00 0.00 a 20.50 66.21 a 370.00 356.50 691.00 637.57 a 381.60 e 70.27 a 0.00 0.00 2593.64
1929 0.00 0.00 0.00 b 28.97 a 218.55 a 406.00 769.83 a 779.98 c 253.97 a 138.00 0.00 b 12.92 a 2608.21
1930 0.00 0.00 b 1.15 d 179.44 c 204.00 431.38 a 753.62 b 663.50 354.64 b 31.00 0.00 0.00 b 2618.74
1931 0.00 0.00 4.50 43.89 c 242.83 d 608.57 b 839.98 e 737.50 439.80 e 112.24 b 15.52 a 0.00 a 3044.83
1932 0.00 0.00 b 0.00 b 50.89 b 220.00 430.00 681.50 699.05 a 384.44 c 90.00 3.75 b 0.00 2559.64
1933 0.00 b 0.00 4.81 b 41.79 b 135.00 630.52 a 819.00 650.50 398.50 209.50 0.00 0.00 2889.61
1934 0.00 0.00 30.50 218.50 442.00 432.00 808.07 a 762.50 361.50 143.50 3.50 0.00 3202.07
1935 0.00 0.00 2.50 51.50 112.50 491.00 781.00 699.50 496.00 158.50 0.00 0.00 2792.50
1936 0.00 0.00 0.00 200.69 a 350.00 547.00 817.00 733.50 367.00 142.08 a 0.00 0.00 3157.27
1937 0.00 0.00 0.00 35.00 285.50 428.00 757.00 733.00 488.50 140.00 0.00 0.00 2867.00
1938 0.00 0.00 1.50 82.50 b 173.00 483.50 650.50 675.00 540.00 123.50 0.00 0.00 2729.50
1939 0.00 0.00 a 6.00 114.50 294.50 383.50 735.00 719.50 378.50 78.00 2.50 5.00 2717.00
1940 0.00 1.00 22.50 56.50 366.00 585.50 796.00 798.00 408.50 138.00 1.00 0.00 3173.00
1941 0.00 0.00 2.00 39.00 290.00 406.50 715.50 631.50 237.50 23.50 6.00 0.00 2351.50
1942 0.00 0.00 0.00 86.00 139.50 379.50 804.50 687.50 400.50 118.50 5.50 0.00 2621.50
1943 0.00 0.00 23.00 156.50 182.00 373.50 704.50 686.28 b 483.10 a 174.50 0.00 a 0.00 d 2783.38
1944 0.00 a 0.00 0.00 b 18.50 242.50 312.32 b 676.66 b 644.50 372.00 164.96 c 0.00 0.00 2431.44
1945 0.00 0.00 0.00 56.67 c 236.63 a 240.52 a 704.39 d 646.50 258.50 175.87 e 4.00 0.00 2323.07
1946 0.00 0.00 a 4.00 146.50 155.00 458.50 751.48 b 701.78 b 333.50 28.00 0.00 0.00 2578.76
1947 0.00 0.00 4.50 37.00 318.00 306.00 749.50 639.50 403.50 130.00 0.00 0.00 2588.00
1948 0.00 0.00 0.52 a 52.50 242.00 421.03 a 658.00 666.50 412.00 160.00 3.50 0.00 2616.05
1949 0.00 0.00 3.21 b 129.00 254.50 350.50 656.17 a 700.50 436.50 30.00 3.00 0.00 2563.37
1950 0.00 0.00 0.00 33.00 153.00 368.00 623.00 606.50 331.50 173.00 2.00 0.00 2290.00
1951 0.00 0.00 a 0.50 42.50 224.00 316.00 694.50 602.00 352.00 67.00 0.00 0.00 2298.50
1952 0.00 0.00 0.00 80.00 248.50 440.50 657.00 701.50 476.00 199.50 0.00 0.00 2803.00
1953 0.00 0.00 12.50 59.50 91.00 380.50 762.50 687.00 461.50 145.00 18.50 0.00 2618.00
1954 0.00 a 0.00 0.00 123.10 a 320.00 347.00 748.00 605.50 371.11 c 0.00 z 0.00 z 0.00 d 2514.71
1955 0.00 0.00 a 0.00 b 23.65 d 211.83 a 378.00 670.12 a 726.36 b 359.46 b 116.52 b 0.00 g 1.11 c 2487.05
1956 0.00 c 0.00 a 14.98 a 68.33 c 283.65 a 480.00 c 711.40 b 470.00 g 437.88 d 116.25 c 0.00 c 0.00 c 2112.50
1957 0.00 a 0.00 a 4.77 e 18.89 c 191.17 d 425.17 a 698.57 b 695.00 357.32 b 67.34 b 0.00 a 0.00 d 2458.23
1958 0.00 0.00 a 0.00 36.92 d 379.48 b 387.50 g 660.19 d 756.63 d 380.50 157.14 b 9.00 0.00 2379.86
1959 0.00 a 0.00 0.00 80.00 134.50 521.50 701.50 625.88 b 291.96 b 57.35 a 0.00 0.00 2412.69
1960 0.00 0.00 a 23.52 b 90.50 206.67 a 491.79 b 817.37 a 591.14 b 466.55 a 124.52 a 7.50 0.00 2819.54
1961 0.00 0.00 8.00 53.28 a 260.83 b 605.50 784.00 738.12 b 244.66 a 84.73 a 0.00 b 0.00 2779.11
1962 0.00 a 0.00 1.55 a 139.66 a 203.00 451.00 643.77 a 625.68 a 410.89 b 151.50 1.50 0.00 2628.55
1963 0.00 0.50 17.00 30.00 a 300.00 343.97 a 723.00 728.50 464.48 a 228.50 1.00 0.00 a 2836.95
1964 0.00 0.00 0.00 a 31.50 249.50 322.00 747.00 609.50 329.00 128.50 0.00 0.00 2417.00
1965 0.00 z 0.00 2.50 55.00 153.00 359.00 634.00 565.50 197.50 154.50 19.00 0.00 2140.00
1966 0.00 0.00 11.50 50.50 297.50 414.00 791.00 647.00 372.50 67.00 1.50 0.00 2652.50
1967 0.00 0.00 3.00 11.50 204.00 319.50 716.00 741.50 422.50 83.50 4.50 0.00 2506.00
1968 0.00 0.00 7.50 18.50 169.50 383.00 709.50 499.10 a 293.00 85.00 0.00 0.00 2165.10
1969 0.00 0.00 4.50 50.50 350.50 327.00 682.00 758.00 463.50 29.00 6.50 0.00 2671.50
1970 0.00 0.00 0.00 10.50 207.00 466.00 688.00 761.50 235.50 71.50 2.50 0.00 2442.50
1971 0.00 0.00 0.00 23.50 199.00 408.00 687.50 741.00 246.50 83.50 0.00 0.00 2389.00
1972 0.00 0.00 31.00 20.00 243.50 493.50 673.50 683.50 296.00 131.00 0.00 0.00 2572.00
1973 0.00 0.00 0.00 13.50 235.50 425.00 666.00 687.00 250.50 141.00 12.50 0.00 2431.00
1974 0.00 0.00 1.00 42.50 212.00 565.50 734.50 657.50 417.00 105.00 0.00 0.00 2735.00
1975 0.00 0.00 0.00 0.00 112.50 310.00 781.00 569.00 352.00 116.00 3.50 0.00 2244.00
1976 0.00 0.00 0.00 15.50 259.50 372.50 741.50 550.00 389.50 69.50 0.50 0.00 2398.50
1977 0.00 0.00 0.00 143.00 111.50 602.00 690.50 632.50 359.00 111.50 7.00 0.00 2657.00
1978 0.00 0.00 34.50 18.50 136.00 400.00 698.00 576.50 337.00 145.00 1.50 0.00 2347.00
1979 0.00 0.00 0.00 60.00 250.00 471.50 740.50 698.50 517.50 181.50 0.00 0.00 2919.50
1980 0.00 0.00 0.00 129.00 168.50 384.50 703.50 580.00 357.50 128.50 16.50 0.00 2468.00
1981 0.00 0.00 0.00 94.50 160.50 409.00 691.50 739.50 417.50 32.00 4.00 0.00 2548.50
1982 0.00 0.00 0.00 25.00 144.50 417.50 617.50 720.50 309.50 30.50 0.00 0.00 2265.00
1983 0.00 0.00 1.50 7.00 152.00 359.50 623.50 694.50 356.00 70.50 7.00 0.00 2271.50
1984 0.00 0.00 0.00 31.50 225.50 322.50 666.00 638.00 302.50 69.50 0.00 0.00 2255.50
1985 0.00 0.00 0.00 104.00 280.50 469.00 780.50 614.00 243.00 37.00 0.50 0.00 2528.50
1986 0.00 2.00 38.00 31.00 220.00 596.50 622.00 748.50 241.50 50.00 0.00 0.00 2549.50
1987 0.00 0.00 6.50 172.00 290.50 515.50 627.50 604.00 430.00 155.50 3.50 0.00 2805.00
1988 0.00 0.00 2.00 108.00 258.50 619.50 838.50 705.50 329.00 255.00 12.50 0.00 3128.50
1989 0.00 0.00 8.00 120.50 208.00 430.50 844.00 658.50 391.50 123.00 0.50 0.00 2784.50
1990 0.00 0.00 7.00 115.50 160.50 475.50 784.00 710.50 577.50 104.50 7.00 0.00 2942.00
1991 0.00 0.00 0.00 20.00 111.50 417.00 745.50 763.00 369.50 174.50 0.00 0.00 2601.00
1992 0.00 0.00 10.00 148.50 366.50 508.00 634.50 745.50 370.50 148.00 0.00 0.00 2931.50
1993 0.00 0.00 18.50 11.50 337.50 316.00 450.00 566.00 336.00 99.00 0.00 0.00 2134.50
1994 0.00 0.00 8.00 115.50 339.00 559.00 791.00 801.00 494.00 46.00 0.00 0.00 3153.50
1995 0.00 0.00 11.50 25.50 100.00 342.50 659.50 711.00 441.00 51.00 10.00 3.50 2355.50
1996 0.00 0.00 7.50 58.00 181.00 548.50 766.00 708.50 321.00 196.00 9.00 0.00 2795.50
1997 1.50 0.00 22.00 45.00 300.00 467.00 629.00 709.00 425.50 95.00 0.00 0.00 2694.00
1998 0.00 0.00 7.50 43.00 160.50 275.50 817.50 743.00 0.00 z 83.00 0.00 0.00 2130.00
1999 0.00 0.00 17.00 23.50 182.00 409.50 718.50 720.50 324.50 155.50 28.50 0.50 2580.00
2000 0.00 0.00 5.50 96.50 0.00 z 518.00 848.50 803.50 368.50 88.50 0.00 0.00 z 2729.00
2001 0.00 0.00 4.50 77.00 0.00 z 511.50 0.00 z 805.00 0.00 z 153.50 0.00 z 0.00 1551.50
2002 0.00 z 0.00 z 0.00 53.00 0.00 z 0.00 z 876.00 697.50 414.50 28.50 0.00 0.00 2069.50
2003 0.00 1.00 9.00 79.00 279.00 499.50 914.00 817.00 378.00 247.50 0.00 0.00 3224.00
2004 0.00 0.00 67.00 69.00 202.00 451.00 718.50 613.50 321.50 101.00 0.00 0.00 z 2543.50
2005 0.00 0.00 0.00 13.00 189.50 350.00 775.50 681.00 322.50 97.50 5.50 0.00 2434.50
2006 0.00 2.00 0.00 54.50 282.00 543.00 854.50 453.50 i 302.50 66.00 8.50 0.00 2113.00
2007 0.00 0.00 31.52 a 62.50 302.50 528.00 894.50 763.50 386.50 53.00 5.50 0.00 3027.52
2008 0.00 0.00 0.00 26.00 142.50 408.00 764.50 692.00 362.50 117.00 17.50 0.00 2530.00
2009 0.00 0.00 15.50 35.00 219.50 363.50 728.00 611.00 496.00 33.00 7.00 0.00 2508.50
2010 0.00 0.00 2.00 55.50 67.50 388.00 728.50 674.00 411.50 167.00 10.50 0.00 2504.50
2011 0.00 0.00 a 0.00 5.00 75.50 361.00 727.50 757.50 468.00 126.00 0.00 0.00 2520.50
2012 0.00 0.00 37.50 129.00 212.50 506.00 818.00 797.00 463.50 111.00 10.50 0.00 3085.00
2013 0.00 c 0.00 1.60 b 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 1.60
Period of Record Statistics
MEAN 0.01 0.05 6.86 63.84 214.34 431.36 715.13 670.90 365.50 104.37 3.75 0.23 2570.84
S.D. 0.14 0.29 10.63 46.95 80.13 92.76 79.01 75.12 77.20 53.14 5.31 1.33 285.30
SKEW 10.77 5.80 2.50 1.04 0.26 0.32 -0.30 -0.45 -0.06 0.34 1.90 7.99 0.01
MAX 1.50 2.00 67.00 218.50 442.00 661.50 914.00 817.00 577.50 255.00 28.50 12.92 3224.00
MIN 0.00 0.00 0.00 0.00 44.00 204.50 450.00 461.00 139.00 8.50 0.00 0.00 1792.00
NO YRS 119 120 121 120 117 118 118 118 118 119 117 118 108