LONGMONT 2 ESE, COLORADO

Monthly Total Growing Degree Days

(055116)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200411
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 6.09 c 0.00 h 11.33 e 38.89 c 147.25 c 0.00 z 0.00 z 0.00 z 286.67 c 38.00 m 0.00 z 0.00 z 490.22
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 0.00 z 0.00 z 0.00 z 0.00
1895 0.00 0.00 a 13.00 120.00 236.00 369.00 530.50 619.00 414.00 45.98 a 3.50 0.00 2350.98
1896 0.00 0.00 32.00 99.50 323.50 577.00 703.00 672.00 322.50 49.00 8.79 a 0.53 b 2787.83
1897 0.00 0.00 1.50 105.00 411.50 511.50 564.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1594.00
1898 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
1899 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
1900 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
1901 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
1902 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 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
1909 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 460.00 671.00 669.50 336.00 103.50 35.00 0.00 2275.00
1910 0.50 6.00 53.65 e 86.00 213.12 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 359.28
1911 4.13 a 0.00 7.50 53.00 274.00 542.50 590.00 560.50 435.00 56.50 2.59 a 0.00 2525.72
1912 0.00 0.00 0.00 29.00 197.00 362.00 533.72 a 564.00 178.93 b 23.50 h 6.00 0.00 e 1870.65
1913 0.00 b 0.00 15.50 75.50 238.00 472.00 608.78 b 651.50 271.61 b 65.00 8.00 0.00 2405.88
1914 0.00 0.00 1.50 46.00 245.50 480.50 641.00 589.00 364.50 89.00 6.00 0.00 b 2463.00
1915 0.00 d 0.00 c 0.00 98.50 179.50 395.00 513.50 451.50 301.00 104.00 39.50 0.00 a 2082.50
1916 0.00 b 0.00 71.00 69.31 a 196.33 a 422.07 a 673.00 546.50 294.83 a 47.50 12.50 0.00 2333.04
1917 2.00 0.00 4.13 a 33.62 a 92.50 417.93 a 651.53 b 488.00 274.50 f 87.00 0.00 1.03 a 1777.75
1918 0.00 9.50 21.50 10.86 a 222.00 596.00 582.50 584.00 207.50 0.00 z 0.00 0.00 2233.86
1919 0.00 a 0.00 8.00 78.00 254.50 503.50 702.50 632.50 386.50 24.00 2.00 0.00 2591.50
1920 0.00 0.00 0.00 2.59 a 245.50 412.00 609.50 482.50 281.50 98.00 5.00 0.00 a 2136.59
1921 0.00 2.50 41.00 44.00 197.00 461.00 613.50 562.65 a 315.50 102.96 c 0.00 9.00 2349.11
1922 0.00 0.00 1.00 32.00 216.00 522.50 577.50 661.00 378.50 102.50 0.00 0.00 2491.00
1923 5.50 0.00 0.00 30.50 220.50 422.50 687.50 582.50 308.50 48.00 3.00 0.00 2308.50
1924 0.00 2.07 a 0.00 52.50 135.00 501.00 626.50 643.50 273.50 103.50 13.00 3.50 2354.07
1925 0.00 1.50 28.00 116.50 331.50 536.50 720.00 593.50 380.00 47.50 0.00 0.00 2755.00
1926 0.00 0.00 8.00 91.00 261.50 505.50 620.50 651.00 329.00 173.50 1.00 3.00 2644.00
1927 1.50 1.50 1.50 104.50 323.50 461.50 627.00 495.50 334.50 115.00 14.50 0.00 2480.50
1928 2.00 0.00 17.50 58.00 255.00 302.00 601.00 550.00 304.50 85.50 5.00 0.00 2180.50
1929 0.00 0.00 7.50 44.00 188.00 483.00 675.50 671.50 267.00 94.50 0.00 0.50 2431.50
1930 0.00 0.50 2.50 136.00 167.00 496.00 682.50 599.50 330.00 54.00 0.00 0.00 2468.00
1931 0.00 0.00 6.50 64.50 196.00 561.50 725.50 623.50 451.00 110.00 27.00 0.00 2765.50
1932 0.00 0.00 7.00 83.00 270.50 463.50 725.50 655.50 333.00 80.00 11.00 0.00 2629.00
1933 0.00 0.00 4.50 24.50 181.50 574.00 694.50 558.50 388.00 120.00 5.00 12.50 2563.00
1934 0.00 2.50 17.00 105.00 395.00 511.50 749.50 651.50 254.00 151.00 28.00 0.00 2865.00
1935 0.00 0.00 22.00 36.50 72.50 437.50 673.50 637.00 341.50 100.50 0.00 0.00 2321.00
1936 2.50 0.00 6.50 118.50 326.50 552.50 761.50 662.50 393.50 83.00 0.00 0.00 2907.00
1937 0.00 a 0.00 0.00 48.10 a 241.00 367.50 660.00 731.50 414.00 85.00 0.00 0.00 2547.10
1938 0.00 0.00 7.00 88.50 179.00 468.50 615.00 673.00 393.00 127.50 1.00 0.00 2552.50
1939 0.00 0.00 18.50 72.50 310.00 437.00 714.50 577.00 408.00 80.00 0.00 6.50 2624.00
1940 0.00 12.00 18.50 50.50 231.00 506.00 644.00 565.50 392.50 110.50 0.00 0.00 2530.50
1941 0.00 0.00 2.00 16.00 253.50 377.50 618.50 571.00 266.00 44.00 0.00 0.00 2148.50
1942 0.00 0.00 0.00 70.00 165.00 390.00 628.00 585.00 311.50 111.50 9.00 0.00 2270.00
1943 5.00 0.00 22.50 125.00 139.00 413.50 694.50 687.00 324.00 86.00 5.50 0.00 2502.00
1944 0.00 0.00 0.00 7.00 265.50 460.00 602.50 659.00 333.00 78.50 3.50 0.00 2409.00
1945 0.00 0.00 0.00 42.41 a 224.00 302.50 621.00 585.00 269.50 112.50 19.00 0.00 2175.91
1946 0.00 0.00 25.50 153.00 115.00 464.00 688.00 606.50 332.50 59.50 0.00 1.00 2445.00
1947 0.00 0.00 a 2.50 37.00 189.50 354.50 687.00 687.00 445.50 208.00 0.00 0.00 2611.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 597.00 422.50 74.00 4.66 a 0.00 1098.16
1949 0.00 0.00 0.00 113.79 a 275.90 a 423.00 673.00 518.50 f 342.50 78.00 34.14 a 4.50 1944.83
1950 0.00 2.50 4.00 68.00 151.50 478.50 575.00 518.50 291.00 200.00 13.00 0.00 2302.00
1951 0.00 7.50 0.50 40.00 207.50 326.00 656.50 601.50 309.00 79.05 a 0.00 0.00 2227.55
1952 0.00 0.00 0.00 68.00 236.00 602.50 649.50 626.50 385.00 c 88.00 3.62 a 0.00 2659.12
1953 3.62 a 0.52 a 13.50 45.50 173.50 568.50 703.50 597.00 417.00 123.50 6.00 0.00 2652.14
1954 0.00 3.00 5.00 153.00 261.95 a 566.50 801.50 652.50 442.50 144.00 0.00 a 0.00 3029.95
1955 0.00 0.00 9.50 101.50 280.00 389.50 716.50 662.50 368.00 115.00 6.50 17.50 2666.50
1956 0.00 0.00 19.00 40.50 319.50 630.50 645.00 541.00 376.00 141.50 5.50 0.00 2718.50
1957 0.00 0.00 0.00 22.50 183.50 435.50 686.50 641.50 277.00 93.00 8.00 0.00 2347.50
1958 0.00 0.50 0.00 39.50 333.50 500.00 600.50 675.00 400.50 146.50 5.00 0.00 2701.00
1959 0.00 0.00 0.00 71.50 217.50 575.00 610.70 a 631.50 305.00 37.50 0.00 0.00 2448.70
1960 0.00 0.00 23.00 104.50 213.00 512.50 648.00 622.00 389.50 117.00 0.00 0.00 2629.50
1961 0.00 0.50 3.50 60.00 212.50 471.00 633.50 648.50 219.50 100.00 0.00 0.00 2349.00
1962 0.00 13.00 6.50 114.31 a 293.00 442.00 622.00 577.00 348.50 139.00 6.00 0.00 2561.31
1963 0.00 3.00 23.50 80.00 346.00 509.00 735.73 a 605.50 452.50 229.50 5.50 0.00 2990.23
1964 0.00 0.00 0.00 53.00 274.00 408.50 760.50 571.50 313.00 107.00 7.50 9.00 2504.00
1965 0.00 0.00 0.00 74.00 207.00 394.50 661.50 554.50 199.00 119.00 3.00 0.52 a 2213.02
1966 0.50 0.00 a 18.50 56.00 302.50 426.50 769.00 589.00 392.50 84.00 5.50 0.00 2644.00
1967 0.00 0.50 44.00 71.50 191.17 a 327.00 657.00 582.50 330.00 a 151.50 6.50 0.00 2361.67
1968 0.00 0.00 11.00 24.00 180.00 534.50 654.00 538.00 288.00 106.50 1.00 0.50 2337.50
1969 0.00 0.00 0.00 125.00 289.50 339.50 712.00 698.50 410.50 40.00 0.00 0.00 2615.00
1970 2.50 1.50 1.50 27.50 334.50 461.00 673.50 718.50 289.50 69.00 5.50 0.00 2584.50
1971 7.00 0.00 24.00 61.50 196.00 564.50 633.50 675.50 267.50 72.33 a 1.00 0.00 a 2502.83
1972 0.00 10.00 37.00 70.50 239.00 566.50 584.00 597.50 311.00 120.00 0.00 0.00 2535.50
1973 0.00 0.00 0.00 18.00 207.50 516.50 618.50 685.50 268.00 123.50 7.50 0.00 2445.00
1974 0.00 0.00 33.50 67.50 335.50 509.50 688.00 543.50 257.50 118.00 0.00 0.00 2553.00
1975 2.00 0.00 8.50 51.50 176.50 405.00 718.00 606.00 302.59 a 146.00 19.00 0.50 2435.59
1976 0.00 a 5.00 14.00 70.00 234.00 489.50 723.00 589.00 321.50 86.50 3.50 0.00 2536.00
1977 0.00 3.50 10.50 110.00 344.00 646.50 730.50 597.00 445.00 95.50 5.00 2.50 2990.00
1978 0.00 0.00 38.00 74.00 243.50 526.50 750.50 593.00 447.00 108.50 18.50 0.00 2799.50
1979 0.00 3.00 0.00 94.50 230.50 482.00 736.50 554.00 459.50 185.00 0.00 0.50 2745.50
1980 0.00 0.00 0.00 82.76 a 193.50 613.50 785.50 669.00 417.50 121.93 a 30.50 0.00 2914.19
1981 0.00 6.22 a 4.00 187.00 214.50 618.50 704.50 642.50 477.50 103.50 22.00 1.55 a 2981.77
1982 0.00 5.00 0.50 80.50 227.50 390.00 678.50 714.50 343.00 51.50 3.00 0.00 2494.00
1983 0.00 0.00 7.00 40.00 150.00 397.00 719.00 764.50 454.00 114.00 19.50 0.00 2665.00
1984 0.00 0.00 0.00 9.50 306.50 492.50 727.50 618.00 320.00 48.00 0.00 0.00 2522.00
1985 0.00 0.00 6.50 117.00 312.00 503.00 675.00 649.50 326.50 54.00 3.00 0.00 2646.50
1986 0.00 15.50 50.50 74.00 218.00 565.50 709.50 645.50 297.00 43.00 0.50 0.00 2619.00
1987 0.00 0.00 1.00 140.50 305.50 572.00 702.00 600.50 333.50 86.50 5.50 0.00 2747.00
1988 0.00 a 0.00 16.00 67.00 291.50 607.50 657.50 618.00 282.50 94.50 13.50 0.00 2648.00
1989 0.00 0.00 6.50 99.50 252.50 421.50 739.50 584.50 315.50 100.50 12.12 d 0.00 2532.12
1990 2.00 0.00 4.00 44.50 183.50 576.00 597.50 583.00 409.50 102.00 20.50 0.00 2522.50
1991 0.00 0.00 19.50 56.50 315.50 544.50 686.50 642.00 352.00 142.00 2.50 0.00 2761.00
1992 0.00 0.00 2.50 121.00 294.00 425.00 581.00 499.50 127.50 s 153.00 0.00 0.00 2076.00
1993 0.00 0.00 21.50 46.50 246.00 430.50 606.50 550.00 231.00 83.00 0.00 0.00 2215.00
1994 0.00 0.00 14.00 107.50 310.50 591.00 621.50 705.00 463.00 91.00 14.00 0.00 2917.50
1995 0.00 4.00 34.00 33.00 87.50 402.50 666.50 740.50 356.50 79.50 i 18.50 12.50 2355.50
1996 0.00 3.00 3.00 81.00 288.00 541.00 681.50 611.00 293.00 135.50 3.00 4.50 2644.50
1997 1.00 1.00 17.50 33.50 200.00 486.00 644.00 563.50 387.50 119.50 3.00 0.00 2456.50
1998 0.00 0.00 z 33.00 25.50 301.50 385.00 710.00 629.50 502.50 50.00 26.00 0.00 2663.00
1999 0.00 0.00 a 2.50 22.00 202.00 428.00 712.48 a 567.82 a 245.17 a 72.85 a 48.50 0.00 a 2301.32
2000 0.00 0.00 a 3.50 82.00 328.50 491.38 a 765.59 c 702.00 406.50 63.00 0.00 0.00 2842.47
2001 0.00 0.00 0.52 a 76.00 240.00 523.50 713.52 a 621.00 387.50 91.00 9.50 0.00 2662.53
2002 0.00 0.00 0.00 87.00 191.00 576.00 765.00 593.50 344.00 45.50 0.00 0.00 2602.00
2003 0.00 8.00 38.00 131.50 301.00 452.00 876.50 737.00 346.50 203.00 5.50 0.00 3099.00
2004 0.00 3.00 81.50 101.00 333.00 417.50 638.00 573.50 408.00 102.00 17.00 0.00 z 2674.50
Period of Record Statistics
MEAN 0.49 1.44 12.48 70.55 239.89 477.66 669.09 614.10 344.79 99.50 7.56 0.95 2550.40
S.D. 1.36 3.07 15.84 37.20 66.26 79.03 62.84 60.31 68.06 40.19 9.90 2.92 219.70
SKEW 3.15 2.67 1.92 0.48 0.01 -0.06 0.15 0.00 0.02 0.78 1.88 3.77 0.23
MAX 7.00 15.50 81.50 187.00 411.50 646.50 876.50 764.50 502.50 229.50 48.50 17.50 3099.00
MIN 0.00 0.00 0.00 2.59 72.50 302.00 513.50 451.50 178.93 24.00 0.00 0.00 2082.50
NO YRS 98 96 98 98 98 97 97 96 96 94 97 96 87