TWO BUTTES, COLORADO

Monthly Total Heating Degree Days

(058510)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197203
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
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 61.00 171.50 575.50 857.50 1665.50
1901 902.74 b 941.63 a 704.00 401.50 129.50 4.50 0.00 0.00 60.50 248.00 579.50 970.00 4941.87
1902 1012.50 799.50 697.50 368.50 64.00 13.00 0.00 1.00 75.50 254.00 630.50 1032.00 4948.00
1903 897.00 1124.00 755.50 404.50 217.50 105.50 0.00 0.00 84.50 244.50 648.50 881.50 5363.00
1904 1073.00 776.50 619.00 475.00 137.50 10.50 0.00 0.00 38.00 293.47 a 639.00 998.00 5059.97
1905 1178.50 1178.50 530.74 b 470.50 196.33 a 2.50 0.00 0.00 b 32.50 418.50 b 603.00 0.00 z 4611.07
1906 968.50 773.50 976.00 517.50 121.50 35.19 d 16.00 0.00 51.00 198.50 p 815.50 756.06 d 5030.75
1907 949.12 a 761.48 e 405.00 f 448.45 a 316.00 31.55 a 0.00 h 8.61 d 33.75 b 230.50 j 762.32 b 641.50 i 3311.28
1908 467.00 p 808.50 569.50 354.00 204.00 0.00 2.58 a 0.00 a 32.00 226.00 603.50 957.00 3757.08
1909 904.50 813.00 756.18 c 447.00 219.00 9.50 0.00 0.00 c 54.00 338.00 558.50 1245.50 5345.18
1910 975.47 a 924.00 384.00 377.00 211.32 a 9.31 a 0.00 d 0.00 35.50 245.00 572.59 a 937.00 4671.18
1911 779.81 b 581.50 g 593.59 d 371.00 81.78 b 0.00 0.00 23.50 k 2.88 d 380.50 774.50 1202.00 4186.06
1912 1352.50 915.00 1060.41 b 366.50 104.37 a 47.50 3.50 0.00 0.00 z 253.00 573.00 986.50 5662.28
1913 1039.50 1128.00 754.33 a 378.00 77.50 45.50 0.00 0.00 179.50 368.90 a 608.50 1256.50 5836.23
1914 905.00 895.00 728.50 430.34 a 174.00 8.50 0.00 z 0.00 33.50 326.00 572.50 1204.19 b 5277.53
1915 1180.50 865.93 a 996.81 b 336.00 353.83 b 70.50 24.00 9.00 60.00 295.50 595.34 a 919.50 5706.91
1916 1290.00 797.50 541.00 486.00 195.50 9.00 0.00 4.13 a 87.41 a 353.00 780.50 1225.50 5769.55
1917 1209.00 d 750.08 b 813.00 643.97 a 403.00 80.00 c 0.00 5.50 50.00 458.50 704.00 1019.00 6136.04
1918 1293.00 884.00 657.50 633.00 197.00 0.00 0.00 0.00 a 93.00 320.00 805.50 1014.73 a 5897.73
1919 1263.50 1052.50 570.00 431.50 180.00 110.50 0.00 0.00 64.00 445.00 851.50 1204.00 6172.50
1920 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
1921 0.00 z 0.00 z 640.00 498.00 196.00 14.50 0.00 2.50 28.00 184.00 586.00 925.50 3074.50
1922 1181.00 870.00 718.50 444.50 152.50 30.00 0.00 0.00 0.00 303.50 695.00 992.52 a 5387.52
1923 747.10 a 1068.00 843.50 352.76 a 173.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3184.36
1924 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 105.00 208.73 a 577.50 1342.50 2233.73
1925 1063.00 651.50 448.50 257.00 59.00 0.00 z 0.00 0.00 41.00 619.00 828.50 0.00 z 3967.50
1926 0.00 z 582.50 0.00 z 0.00 z 0.00 z 12.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 595.00
1927 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 199.00 0.00 z 0.00 z 199.00
1928 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 75.00 0.00 c 0.00 g 24.00 347.00 728.00 962.50 2136.50
1929 1127.50 1061.50 687.00 364.00 198.00 24.00 0.00 0.00 102.50 443.30 a 847.50 829.00 5684.30
1930 1502.50 574.50 723.00 270.50 162.00 36.50 0.00 0.00 0.00 i 0.00 z 497.50 g 1296.50 4565.50
1931 942.00 658.00 0.00 z 526.00 298.00 3.00 1.00 0.00 13.00 225.50 725.00 887.00 4278.50
1932 1160.50 0.00 z 958.50 376.00 65.50 24.50 0.00 0.00 75.50 394.50 706.00 1241.50 5002.50
1933 648.50 0.00 z 577.00 441.00 200.00 0.00 0.00 4.50 11.00 247.50 555.50 699.00 3384.00
1934 799.00 756.00 664.50 327.50 63.00 0.00 0.00 5.00 61.50 170.50 570.00 857.50 4274.50
1935 799.50 725.50 537.50 341.50 280.00 2.00 0.00 0.50 75.50 264.00 720.50 937.00 4683.50
1936 1032.00 1102.00 541.00 390.00 128.50 16.00 v 0.00 h 0.00 h 121.00 401.00 669.00 867.00 5251.50
1937 1282.50 849.50 801.50 395.00 97.00 40.50 0.00 0.00 33.50 308.50 735.50 1036.43 a 5579.93
1938 964.50 807.00 395.50 j 412.00 161.50 4.00 0.00 0.00 21.00 196.00 793.00 927.00 4286.00
1939 918.50 994.00 707.50 369.50 183.00 18.00 e 0.00 c 5.00 39.50 257.00 709.00 834.50 5035.50
1940 1403.00 816.00 669.00 432.00 118.00 26.50 4.00 0.00 27.50 174.00 765.00 d 723.00 g 4435.00
1941 937.00 750.00 730.50 376.00 109.00 43.00 0.00 i 0.00 m 70.00 h 285.50 553.00 867.00 4651.00
1942 1053.00 932.50 728.50 305.50 117.00 7.50 0.00 0.00 32.50 354.00 477.00 i 1008.00 4538.50
1943 1002.00 716.00 798.50 258.50 249.00 8.50 0.00 0.00 54.00 343.00 703.00 1031.50 5164.00
1944 1033.50 837.00 777.50 571.50 143.50 30.00 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3393.00
1945 0.00 z 0.00 z 0.00 z 372.50 0.00 z 15.50 0.00 z 0.00 z 290.50 213.00 0.00 z 0.00 z 891.50
1946 1167.00 869.00 520.00 193.50 275.00 0.00 z 0.00 z 42.00 81.00 278.00 983.00 931.50 5340.00
1947 1016.00 906.50 754.50 381.50 166.00 0.00 z 0.00 z 0.00 z 40.00 0.00 z 0.00 z 0.00 z 3264.50
1948 0.00 z 1100.00 984.00 240.50 157.50 4.50 0.00 3.62 a 54.00 309.00 794.50 920.00 4567.62
1949 1278.23 a 0.00 z 679.00 36.50 z 50.50 m 36.50 0.00 4.00 55.50 373.50 495.50 970.00 3892.23
1950 1026.00 722.00 526.50 i 427.00 166.00 28.00 0.50 17.00 84.50 140.00 721.00 895.00 4227.00
1951 1103.00 780.50 771.50 488.50 178.50 86.00 6.00 10.00 75.50 370.00 814.50 1044.18 a 5728.18
1952 893.00 830.50 841.50 427.00 152.00 0.00 1.50 0.00 43.00 335.50 275.00 p 987.35 a 4511.35
1953 737.50 800.50 579.50 483.50 265.50 6.50 0.00 2.50 22.00 282.50 649.50 1040.00 4869.50
1954 960.50 571.00 793.00 250.50 227.85 a 14.50 2.07 a 0.00 20.50 349.00 612.00 872.00 4672.92
1955 1027.00 944.00 735.50 347.50 153.21 e 64.50 0.00 0.00 72.00 248.00 737.50 922.00 5251.21
1956 974.50 983.50 103.00 w 473.50 95.50 0.00 0.00 20.00 51.00 234.00 729.00 835.50 4396.50
1957 1085.52 a 656.00 719.00 509.00 195.50 34.00 0.00 a 0.00 65.50 320.00 759.50 742.00 5086.02
1958 960.00 820.00 1010.00 473.00 85.50 5.50 1.00 0.00 46.00 302.00 672.00 924.00 5299.00
1959 1110.00 891.00 733.00 454.50 154.00 10.86 a 0.00 a 0.00 114.50 424.00 713.00 871.10 a 5475.96
1960 1111.00 1139.50 828.50 290.00 169.50 16.50 5.50 0.00 62.50 298.50 643.45 a 989.50 5554.45
1961 960.50 788.00 693.50 448.00 152.00 19.50 0.00 0.00 141.50 325.50 837.93 a 1084.50 5450.93
1962 1210.00 766.50 788.50 379.00 78.00 32.50 0.00 0.00 58.00 222.00 642.00 870.00 5046.50
1963 1312.50 710.00 628.00 260.50 94.50 14.50 0.00 0.00 11.00 119.50 580.50 1198.00 4929.00
1964 926.00 1057.50 800.00 464.00 157.00 19.50 0.00 1.00 0.00 z 300.50 643.50 669.00 n 4369.00
1965 808.67 b 858.50 1016.50 296.50 140.50 17.50 0.00 0.00 152.00 193.00 456.00 804.00 4743.17
1966 1232.00 932.81 a 594.00 494.00 74.00 8.50 0.00 h 3.58 e 121.00 0.00 z 888.50 1027.00 5375.39
1967 577.50 h 774.00 471.00 235.00 232.00 14.00 g 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1712.00
1968 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
1969 0.00 z 0.00 z 0.00 z 233.50 h 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
1970 0.00 z 0.00 z 0.00 z 0.00 z 51.50 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1971 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 158.00 o 319.82 a 666.00 921.00 1906.82
1972 994.50 819.54 d 535.94 e 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 2349.98
Period of Record Statistics
MEAN 1045.93 856.22 714.67 400.62 168.44 24.20 1.23 2.72 63.04 296.99 685.51 983.16 5282.72
S.D. 176.80 146.70 149.89 93.44 72.70 26.42 3.99 6.77 47.79 89.92 106.17 145.59 461.42
SKEW 0.24 0.32 0.31 0.13 0.86 1.61 4.47 4.14 2.23 0.70 0.32 0.66 0.01
MAX 1502.50 1178.50 1060.41 643.97 403.00 110.50 24.00 42.00 290.50 619.00 983.00 1342.50 6172.50
MIN 648.50 571.00 384.00 193.50 59.00 0.00 0.00 0.00 0.00 119.50 456.00 699.00 4274.50
NO YRS 58 58 57 61 60 59 55 55 58 59 58 56 31