LONGMONT 2 ESE, COLORADO

Monthly Total Growing Degree Days

(055116)

Base Temperature = 40 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 28.79 c 4.00 h 61.40 e 157.22 c 386.95 c 0.00 z 0.00 z 0.00 z 584.44 c 159.50 m 0.00 z 0.00 z 1218.80
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 32.15 a 81.00 339.00 512.50 661.50 840.50 929.00 683.50 225.27 a 50.50 15.50 4370.42
1896 11.00 17.50 129.00 301.00 620.00 877.00 1013.00 982.00 615.50 263.00 62.59 a 21.38 b 4912.97
1897 0.00 8.00 47.00 315.50 717.50 811.50 874.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2774.00
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 760.00 981.00 979.50 631.00 327.50 170.50 6.50 3856.00
1910 32.00 31.00 279.60 e 332.00 491.57 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1166.17
1911 48.05 a 1.50 147.50 241.50 565.50 842.50 900.00 870.50 735.00 215.00 37.24 a 0.00 4604.29
1912 21.50 2.00 10.50 210.00 457.00 658.50 843.72 a 874.00 420.00 b 142.00 h 54.50 5.37 e 3557.08
1913 12.29 b 6.50 83.50 263.00 537.50 772.00 918.78 b 961.50 530.89 b 247.50 104.50 0.00 4437.96
1914 4.50 2.00 96.50 228.00 528.50 780.50 951.00 899.00 656.50 345.00 109.50 0.00 b 4601.00
1915 1.15 d 14.00 c 26.50 349.00 425.50 684.50 823.50 761.50 593.50 355.00 169.50 27.90 a 4231.55
1916 8.55 b 17.00 254.50 248.28 a 455.18 a 722.07 a 983.00 856.50 564.31 a 241.50 82.50 22.50 4455.89
1917 20.50 20.50 52.18 a 167.59 a 284.50 713.79 a 961.53 b 798.00 511.00 f 273.50 98.00 51.67 a 3441.76
1918 20.00 59.50 173.00 144.31 a 511.00 896.00 892.50 894.00 476.50 0.00 z 42.50 17.50 4126.81
1919 7.23 a 12.00 88.00 275.50 545.00 790.00 1008.50 942.50 676.50 160.00 45.50 15.50 4566.23
1920 26.00 7.50 36.00 87.41 a 523.50 712.00 919.50 792.50 574.00 297.50 41.00 18.08 a 4035.00
1921 8.50 39.50 160.50 187.00 493.50 761.00 923.50 872.65 a 606.50 355.39 c 70.00 45.50 4523.54
1922 2.00 13.00 66.50 171.00 493.50 819.50 887.50 971.00 678.50 328.50 24.50 17.50 4473.00
1923 45.00 0.00 33.00 188.50 504.50 722.50 997.50 892.50 608.00 211.00 69.50 18.50 4290.50
1924 6.00 51.27 a 17.00 242.50 400.00 801.00 936.50 953.50 556.50 376.50 106.00 34.50 4481.27
1925 15.50 31.50 183.00 379.50 634.50 836.50 1030.00 903.50 680.00 183.50 53.50 20.50 4951.50
1926 0.00 45.00 94.50 275.50 557.50 805.50 930.50 961.00 602.50 422.50 117.50 29.50 4841.50
1927 42.00 45.00 69.00 302.00 618.00 758.00 937.00 805.50 605.00 364.00 122.50 0.00 4668.00
1928 37.00 6.50 124.50 230.50 530.00 597.50 911.00 860.00 598.50 281.50 53.00 16.00 4246.00
1929 16.50 0.00 87.00 212.50 449.50 783.00 985.50 981.50 541.50 323.50 11.00 39.50 4431.00
1930 0.00 63.00 66.50 405.50 416.50 796.00 992.50 909.50 625.00 245.50 55.50 0.00 4575.50
1931 9.50 10.00 86.50 255.00 455.50 861.50 1035.50 933.50 750.50 359.50 104.50 12.50 4874.00
1932 1.00 62.00 75.50 290.00 577.00 763.50 1035.50 965.50 630.00 243.00 91.00 9.00 4743.00
1933 10.00 11.50 96.00 182.00 428.50 874.00 1004.50 868.50 688.00 401.50 114.50 73.50 4752.50
1934 10.00 34.00 170.50 328.00 696.00 811.50 1059.50 961.50 526.00 451.50 158.00 16.50 5223.00
1935 22.50 35.50 121.50 194.00 302.50 737.00 983.50 947.00 621.00 323.00 20.00 3.50 4311.00
1936 19.00 35.00 85.00 345.00 620.00 852.50 1071.50 972.50 658.50 282.00 49.00 0.00 4990.00
1937 0.00 a 10.00 19.50 229.14 a 531.00 653.50 970.00 1041.50 713.00 352.50 66.50 7.50 4594.14
1938 3.00 17.50 121.50 290.00 446.50 768.50 925.00 983.00 693.00 394.50 33.50 6.50 4682.50
1939 3.50 0.00 112.00 259.50 618.00 737.00 1024.50 887.00 707.50 322.00 41.00 79.00 4791.00
1940 0.00 44.00 112.50 222.50 539.00 806.00 954.00 875.50 692.50 393.00 28.50 18.50 4686.00
1941 0.00 12.50 65.00 183.00 553.50 677.50 928.50 881.00 549.00 279.00 62.50 35.00 4226.50
1942 0.00 0.00 24.50 303.00 439.50 689.50 938.00 895.00 598.50 315.00 104.00 12.50 4319.50
1943 37.00 41.50 104.00 401.00 380.50 711.50 1004.50 997.00 624.00 327.00 75.50 0.00 4703.50
1944 5.00 23.00 21.50 117.00 537.50 760.00 912.50 969.00 633.00 350.00 77.00 0.00 4405.50
1945 6.50 11.50 95.50 160.34 a 501.00 596.00 931.00 895.00 534.50 375.00 96.50 6.00 4208.84
1946 0.00 9.50 155.00 422.50 381.50 764.00 998.00 916.50 629.50 247.00 7.50 39.50 4570.50
1947 13.50 18.15 a 67.50 211.50 475.00 640.50 997.00 997.00 745.50 453.50 13.00 10.00 4642.15
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 907.00 722.50 329.00 71.90 a 13.00 2043.40
1949 0.00 35.00 94.00 348.10 a 567.82 a 723.00 983.00 768.50 f 642.50 286.50 219.83 a 23.00 3922.75
1950 29.00 73.50 77.50 254.50 382.00 770.00 885.00 828.50 587.00 487.00 101.50 23.00 4498.50
1951 17.00 41.00 43.00 165.00 492.00 601.00 966.50 911.50 594.50 270.73 a 51.00 26.00 4179.23
1952 4.50 14.50 30.00 262.00 526.00 902.50 959.50 936.50 684.44 c 337.00 53.79 a 3.00 4713.74
1953 90.42 a 24.89 a 136.00 170.50 417.00 868.50 1013.50 907.00 717.00 376.50 121.00 2.50 4844.81
1954 27.50 110.00 57.50 403.00 529.07 a 866.50 1111.50 962.50 738.00 359.00 87.41 a 10.00 5261.98
1955 0.00 4.50 84.50 293.00 585.00 681.50 1026.50 972.50 658.50 369.00 58.50 72.50 4806.00
1956 17.50 4.00 121.50 190.00 610.50 930.50 955.00 851.00 674.50 396.00 58.50 22.00 4831.00
1957 4.00 56.00 67.00 138.50 448.00 735.50 996.50 951.50 567.50 327.50 46.50 37.00 4375.50
1958 0.00 53.50 21.00 179.00 632.50 799.00 910.50 985.00 700.00 361.50 89.50 18.00 4749.50
1959 14.00 1.50 50.00 251.50 496.50 875.00 920.70 a 941.50 579.00 218.50 65.50 9.00 4422.70
1960 4.00 12.00 138.00 300.00 486.50 812.50 958.00 932.00 689.50 359.00 72.00 0.50 4764.00
1961 0.50 32.00 72.00 213.50 489.00 771.00 943.50 958.50 477.00 319.00 31.50 8.00 4315.50
1962 0.00 57.00 45.00 323.28 a 591.50 742.00 932.00 883.50 641.00 418.00 108.50 12.00 4753.78
1963 4.00 64.00 116.00 307.00 655.00 809.00 1045.73 a 915.50 752.50 520.50 95.50 4.50 5289.23
1964 21.50 0.00 26.00 236.50 566.00 707.00 1070.50 881.50 610.00 358.00 85.50 54.50 4617.00
1965 15.50 21.50 14.00 308.00 492.50 694.50 971.50 864.50 416.00 398.50 130.00 42.88 a 4369.38
1966 10.50 0.00 a 164.50 237.50 587.50 724.00 1079.00 899.00 692.50 299.00 70.50 3.50 4767.50
1967 28.00 24.50 192.50 280.50 431.42 a 626.50 967.00 892.50 624.31 a 397.50 100.00 6.50 4571.23
1968 11.50 13.00 133.00 159.50 464.50 834.50 964.00 848.00 583.00 342.00 40.50 15.00 4408.50
1969 27.50 7.50 51.00 374.50 588.50 634.00 1022.00 1008.50 710.00 134.50 59.00 28.00 4645.00
1970 45.50 37.50 46.00 165.00 618.50 757.00 983.50 1028.50 567.00 222.50 71.50 15.50 4558.00
1971 59.50 26.00 92.00 252.00 475.00 864.50 943.50 985.50 508.50 292.95 a 48.00 12.92 a 4560.37
1972 28.00 67.00 210.00 262.00 528.50 866.50 894.00 907.50 605.00 326.00 6.00 8.00 4708.50
1973 14.00 1.00 40.00 143.00 483.00 816.50 928.50 995.50 537.50 368.00 73.00 14.50 4414.50
1974 10.50 15.00 147.00 244.00 645.50 802.50 998.00 853.50 532.00 367.50 52.00 9.00 4676.50
1975 26.00 15.00 78.00 200.50 445.00 698.50 1028.00 916.00 591.72 a 388.00 119.50 35.00 4541.22
1976 15.50 a 96.50 101.50 297.00 520.50 788.50 1033.00 899.00 606.00 262.50 86.50 17.00 4723.50
1977 0.00 50.00 99.50 307.00 653.00 946.50 1040.50 907.00 745.00 373.50 99.00 51.50 5272.50
1978 0.50 2.50 166.00 314.00 480.00 820.50 1060.50 903.00 735.00 359.50 97.00 0.00 4938.50
1979 0.00 29.00 92.50 298.50 472.50 774.00 1046.50 864.00 759.50 436.50 11.50 14.00 4798.50
1980 7.00 9.00 33.50 233.79 a 470.50 913.50 1095.50 979.00 717.50 335.32 a 150.00 100.50 5045.11
1981 22.50 67.41 a 86.00 447.00 500.00 918.50 1014.50 952.50 777.50 307.00 160.00 49.08 a 5301.99
1982 15.50 76.00 102.50 283.00 500.00 688.00 988.50 1024.50 636.00 257.50 34.50 16.50 4622.50
1983 22.50 29.50 85.00 183.00 392.50 689.00 1029.00 1074.50 741.50 391.50 122.00 0.00 4760.00
1984 0.00 6.00 36.00 111.50 599.50 792.50 1037.50 928.00 565.00 197.50 49.50 7.50 4330.50
1985 0.00 8.00 108.50 349.00 618.00 803.00 985.00 959.50 579.00 293.50 55.00 0.00 4758.50
1986 50.00 110.00 240.00 290.50 506.50 865.50 1019.50 955.50 595.50 292.00 55.00 0.00 4980.00
1987 14.50 31.50 69.50 334.00 606.00 872.00 1012.00 910.50 626.50 313.00 88.50 30.00 4908.00
1988 6.20 a 18.00 105.50 270.50 576.50 907.50 967.50 928.00 563.50 339.50 86.00 0.00 4768.70
1989 0.00 0.50 123.50 264.50 539.50 719.00 1049.50 894.50 586.00 318.00 94.62 d 18.50 4608.12
1990 33.00 6.50 48.00 219.50 447.50 876.00 907.50 893.00 707.50 317.50 156.00 20.00 4632.00
1991 1.50 31.50 126.50 246.00 609.00 844.50 996.50 952.00 648.00 358.50 39.50 9.50 4863.00
1992 0.50 38.50 115.50 357.00 588.50 725.00 891.00 809.50 237.50 s 400.00 19.00 0.00 3944.50
1993 0.00 0.00 137.00 216.00 546.00 730.50 916.50 860.00 515.50 269.00 12.50 9.50 4212.50
1994 5.00 13.50 149.00 277.50 608.00 891.00 931.50 1015.00 761.00 341.50 66.50 29.50 5089.00
1995 25.00 94.50 164.00 174.00 334.50 698.00 976.50 1050.50 622.00 264.50 i 159.00 64.50 4362.50
1996 19.00 83.50 60.00 271.50 577.00 841.00 991.50 921.00 569.50 345.50 59.50 63.50 4802.50
1997 20.50 22.00 149.50 156.50 495.00 786.00 954.00 873.50 683.50 318.50 44.50 1.00 4504.50
1998 15.50 0.00 z 113.00 156.50 607.50 662.50 1020.00 939.50 798.00 268.50 131.50 35.50 4748.00
1999 11.50 24.89 a 102.50 151.50 452.50 728.00 1022.48 a 877.82 a 503.28 a 281.58 a 210.00 26.35 a 4392.40
2000 10.50 52.30 a 103.50 302.00 615.00 787.76 a 1075.59 c 1012.00 665.50 273.50 7.00 0.00 4904.65
2001 2.50 0.00 53.73 a 267.00 512.50 823.50 1023.52 a 931.00 679.00 298.50 147.50 2.50 4741.25
2002 22.00 7.50 31.00 300.50 459.50 876.00 1075.00 903.50 642.50 221.00 64.50 20.50 4623.50
2003 39.00 30.00 172.50 374.00 580.50 752.00 1186.50 1047.00 643.00 470.50 64.50 19.00 5378.50
2004 4.50 32.50 269.50 309.00 614.50 715.50 948.00 883.50 699.00 362.50 107.00 0.00 z 4945.50
Period of Record Statistics
MEAN 14.58 27.96 97.89 255.83 518.96 775.41 979.05 924.06 631.37 324.94 77.93 19.67 4655.45
S.D. 15.76 26.05 57.01 75.80 84.01 81.27 62.82 60.33 78.75 70.90 44.48 20.10 279.86
SKEW 1.76 1.21 0.92 0.15 -0.24 -0.11 0.15 0.00 -0.26 -0.05 0.79 1.61 0.41
MAX 90.42 110.00 279.60 447.00 717.50 946.50 1186.50 1074.50 798.00 520.50 219.83 100.50 5378.50
MIN 0.00 0.00 10.50 87.41 284.50 596.00 823.50 761.50 416.00 134.50 6.00 0.00 4035.00
NO YRS 98 96 98 98 98 97 97 96 96 94 97 96 87