ARRIBA, COLORADO

Monthly Total Heating Degree Days

(050348)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195810
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
1907 1050.12 c 797.00 665.00 659.00 491.00 119.00 0.50 15.50 95.50 422.00 866.00 1146.00 6326.62
1908 1087.50 1044.00 766.50 550.00 381.00 96.72 a 16.50 24.50 94.00 560.50 900.50 1310.00 6831.72
1909 1195.50 1006.44 a 946.00 702.50 423.00 111.50 2.50 5.00 169.50 508.40 a 819.00 0.00 z 5889.34
1910 1166.00 1048.00 571.50 338.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 361.00 714.83 a 1009.50 4870.83
1911 971.00 1054.50 713.00 551.00 345.50 12.50 13.00 35.50 17.00 560.50 936.00 1290.00 6499.50
1912 1265.00 1085.00 1243.00 613.50 306.00 137.50 14.50 19.00 322.00 498.50 751.00 1171.00 7426.00
1913 1254.00 1249.50 971.00 560.00 247.50 91.00 10.00 0.00 269.50 605.00 699.50 1321.50 7278.50
1914 1070.50 1066.00 872.50 538.00 277.50 43.00 8.00 0.00 61.00 391.50 650.50 1385.00 6363.50
1915 1288.50 883.50 1079.00 465.50 416.50 178.00 42.00 31.00 117.00 335.50 675.00 906.00 6417.50
1916 1233.00 865.00 614.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 139.00 0.00 z 0.00 z 1354.00 4205.00
1917 1279.50 947.00 1051.50 0.00 z 521.00 124.50 0.00 17.00 70.00 552.00 0.00 z 0.00 z 4562.50
1918 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
1919 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
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 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
1922 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
1923 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
1924 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
1925 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
1926 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
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 0.00 z 0.00 z 0.00 z 0.00
1928 0.00 z 0.00 z 823.64 b 628.45 a 260.92 a 175.96 d 3.50 f 28.93 a 136.00 g 511.50 d 669.50 f 1166.67 e 3596.07
1929 1212.44 d 1240.62 b 815.62 b 513.33 c 273.26 d 66.00 1.07 b 2.21 c 185.19 d 422.08 e 1127.22 c 1007.50 c 6866.55
1930 1526.23 a 667.52 c 904.96 e 369.11 b 336.83 e 55.71 b 16.50 1.66 c 93.46 d 493.13 d 862.50 1285.50 6613.12
1931 952.00 f 855.56 a 1047.59 b 459.50 g 349.78 a 37.50 14.00 1.00 l 0.00 z 372.00 e 481.50 j 843.50 h 2676.43
1932 0.00 z 458.00 m 1102.00 531.50 236.50 75.00 0.00 8.55 b 142.50 562.81 b 307.00 o 1410.00 4068.86
1933 1042.00 1099.50 816.85 a 635.50 334.00 12.50 0.00 27.00 72.00 221.50 h 644.50 837.50 5521.35
1934 883.00 844.48 c 0.00 z 0.00 z 0.00 z 12.50 h 2.50 20.00 206.00 289.50 716.00 1051.50 4012.98
1935 930.50 882.00 787.50 646.00 527.00 96.50 0.00 4.50 159.50 469.50 892.50 1090.00 6485.50
1936 1196.00 1293.50 832.00 543.50 234.00 63.50 2.50 11.88 a 186.00 559.50 792.00 1033.50 6747.88
1937 1507.50 1001.50 976.50 572.50 240.00 138.50 0.00 0.00 98.00 405.00 832.00 1118.50 6890.00
1938 1097.00 844.00 740.00 548.00 332.00 33.00 1.00 0.00 71.00 335.00 931.50 1101.50 6034.00
1939 1080.00 1181.00 869.00 579.00 220.50 51.50 1.55 a 32.50 94.50 439.00 801.00 920.50 6270.05
1940 1414.00 945.00 861.00 649.00 286.00 71.54 d 10.00 16.00 85.50 325.50 914.00 1024.50 6602.04
1941 1059.00 936.50 939.50 606.50 237.00 131.50 17.00 8.00 185.50 490.00 736.50 1082.50 6429.50
1942 1256.50 1217.00 966.00 449.50 348.50 85.34 a 10.00 9.50 167.00 454.00 727.00 1054.00 6744.34
1943 1092.50 768.50 955.50 396.00 436.00 109.00 0.00 0.00 138.50 457.77 a 814.50 1055.00 6223.27
1944 1120.00 1001.57 b 988.50 734.50 247.00 78.50 4.50 17.00 113.00 398.50 816.50 1232.00 6751.57
1945 1159.00 955.00 729.50 731.00 296.00 183.50 12.92 a 20.00 221.00 389.50 372.50 l 1116.50 5813.92
1946 1061.50 815.50 726.00 296.50 375.50 76.00 0.00 5.50 u 101.50 461.00 471.50 q 0.00 z 3913.50
1947 543.50 o 1054.50 937.23 a 565.00 318.50 0.00 z 0.00 z 1.00 82.50 256.00 928.50 1013.50 5156.73
1948 1164.50 1085.00 1049.50 400.50 272.00 47.50 m 3.00 5.00 34.50 f 154.50 t 920.00 1144.23 c 6043.73
1949 1447.50 961.00 830.00 494.50 252.00 106.00 0.00 11.00 101.50 g 0.00 z 0.00 z 1023.00 5125.00
1950 620.00 p 761.50 0.00 z 0.00 z 354.00 53.00 16.50 19.50 180.50 206.50 797.50 928.00 3317.00
1951 1200.50 897.00 953.50 656.00 272.00 152.00 m 0.00 z 19.50 135.50 475.50 898.50 1146.00 6654.00
1952 1043.00 946.50 0.00 z 189.50 q 301.50 3.00 12.00 0.00 93.89 c 332.00 f 992.00 1133.00 4524.89
1953 890.00 963.00 754.50 697.50 486.00 24.00 2.00 7.00 57.50 355.97 b 731.50 1156.00 6124.97
1954 1022.00 0.00 z 971.50 373.50 341.50 41.00 0.00 2.00 51.00 497.00 723.50 1014.00 5037.00
1955 1284.50 1121.50 954.50 544.50 261.50 168.50 0.00 11.50 0.00 z 0.00 z 0.00 z 0.00 z 4346.50
1956 0.00 z 0.00 z 0.00 z 595.18 b 160.00 0.00 4.00 31.00 87.50 354.00 922.50 951.00 3105.18
1957 1317.50 772.00 878.00 699.50 380.50 83.50 0.00 2.00 154.50 474.50 894.50 905.00 6561.50
1958 1087.50 867.00 1144.00 673.50 189.50 44.50 26.00 0.00 i 111.00 o 124.50 p 0.00 z 0.00 z 4032.00
Period of Record Statistics
MEAN 1165.41 974.31 890.72 564.83 322.28 82.73 7.14 12.56 129.07 435.70 825.89 1108.16 6594.65
S.D. 157.24 149.24 147.56 109.10 89.07 50.33 9.11 10.96 64.42 94.48 109.77 143.84 348.66
SKEW 0.44 0.25 0.02 -0.56 0.65 0.34 1.80 0.51 0.93 -0.36 0.39 0.36 0.67
MAX 1526.23 1293.50 1243.00 734.50 527.00 183.50 42.00 35.50 322.00 605.00 1127.22 1410.00 7426.00
MIN 883.00 667.52 571.50 296.50 160.00 0.00 0.00 0.00 17.00 206.50 644.50 837.50 6034.00
NO YRS 36 38 38 35 39 36 37 37 35 35 32 36 21