ALTENBERN, COLORADO

Monthly Total Heating Degree Days

(050214)

Base Temperature = 65 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
1947 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
1948 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
1949 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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 157.00 i 459.00 866.00 1023.00 2348.00
1959 1277.00 986.00 880.40 a 570.00 306.00 47.00 8.78 a 9.00 238.00 565.00 922.00 1122.50 6931.68
1960 1312.50 1248.00 867.50 548.50 352.00 38.50 8.00 35.50 117.50 518.00 860.00 1201.50 7107.50
1961 1271.00 915.50 875.00 631.50 298.50 47.50 0.00 0.00 336.00 545.00 924.00 1342.50 7186.50
1962 1406.50 908.50 1018.00 463.50 375.50 112.00 7.00 39.50 189.50 453.00 740.50 1165.50 6879.00
1963 1569.00 851.00 903.50 570.00 205.00 91.00 0.00 26.00 85.50 354.00 814.00 1279.50 6748.50
1964 1445.50 1266.00 1116.50 634.50 345.50 112.00 0.00 59.50 199.50 424.00 962.50 1268.42 a 7833.92
1965 1169.50 1040.50 1006.50 605.00 399.50 187.50 6.00 57.50 377.00 480.50 729.00 1142.50 7201.00
1966 1344.50 1155.00 843.50 561.50 230.00 84.50 2.58 a 24.50 138.50 569.50 774.50 1273.00 7001.58
1967 1329.50 1001.50 741.50 610.50 370.50 185.50 2.00 14.00 180.50 517.18 a 885.56 c 1408.50 7246.74
1968 1441.50 962.50 803.00 706.50 393.50 81.00 5.00 100.75 a 239.00 485.50 939.00 1346.00 7503.25
1969 1193.50 1030.50 980.00 465.50 180.00 141.00 0.00 5.50 131.38 a 697.00 932.50 1117.00 6873.88
1970 1202.00 821.00 924.50 730.50 272.50 144.50 1.50 3.00 234.50 682.00 827.50 1158.50 7002.00
1971 1266.50 992.50 875.50 549.50 354.50 66.00 0.00 3.50 313.50 542.50 929.00 1312.50 7205.50
1972 1185.50 920.00 669.50 507.00 287.50 33.00 0.00 16.50 166.00 484.00 989.00 1414.00 6672.00
1973 1554.00 1048.00 871.00 653.50 328.60 a 158.50 5.00 12.50 233.50 488.00 861.50 1262.00 7476.10
1974 1504.00 1229.00 742.50 656.00 242.50 88.00 0.00 25.50 207.00 456.50 878.00 1317.50 7346.50
1975 1441.50 1085.00 891.50 676.50 423.00 174.00 1.50 39.00 207.00 545.00 978.50 1262.00 7724.50
1976 1411.50 918.50 945.50 582.50 307.50 136.50 4.00 26.00 152.00 611.00 877.50 1241.00 7213.50
1977 1397.00 921.00 954.50 472.00 272.50 4.00 0.50 26.50 154.00 465.50 868.00 1113.00 6648.50
1978 1195.50 983.00 739.50 505.00 367.00 56.00 1.00 37.00 183.50 474.00 815.00 1520.00 6876.50
1979 1546.50 1139.00 911.00 598.45 a 350.00 111.00 1.00 56.50 95.00 444.50 1086.50 1257.57 a 7597.01
1980 1135.00 933.00 919.00 586.00 380.78 a 75.50 0.00 46.50 146.50 535.78 a 864.50 915.50 6538.07
1981 1049.50 965.00 841.50 457.50 319.50 66.00 2.50 18.50 89.50 546.50 791.90 a 1218.50 6366.40
1982 1342.50 1081.00 822.50 661.00 382.00 136.00 38.50 0.50 199.00 652.50 969.00 1185.00 7469.50
1983 1168.00 892.50 812.50 720.50 448.00 153.00 10.00 4.50 119.50 484.00 876.00 1265.50 6954.00
1984 1517.50 1163.00 888.00 696.50 254.50 165.50 0.00 6.00 180.50 673.50 900.00 1205.00 7650.00
1985 1275.50 1171.00 854.00 502.00 321.50 68.00 14.00 17.00 312.50 554.00 933.50 1191.00 7214.00
1986 1116.52 a 812.50 664.50 544.50 364.50 38.00 20.00 12.00 271.00 572.50 865.50 1122.50 6404.02
1987 1286.00 905.50 887.00 500.50 289.50 34.50 12.00 57.00 185.00 412.00 891.00 1265.50 6725.50
1988 1478.00 1104.00 914.50 505.00 321.00 27.00 0.00 5.00 223.00 354.50 888.00 1280.00 7100.00
1989 1469.50 1093.00 700.50 399.00 209.77 a 77.50 0.00 32.50 151.50 560.50 907.50 1294.50 6895.77
1990 1278.50 1017.00 769.50 512.50 391.50 62.00 32.00 76.00 72.50 526.00 908.00 1455.00 7100.50
1991 1487.00 1026.50 855.50 664.50 299.50 70.00 3.50 1.50 182.00 504.00 972.00 1329.50 7395.50
1992 1430.50 942.00 750.50 420.00 249.00 107.00 50.50 54.00 185.50 461.00 1094.50 1388.00 7132.50
1993 1200.00 978.00 800.00 606.50 303.00 138.50 26.50 36.50 233.00 566.00 1013.00 1254.00 7155.00
1994 1200.50 1029.50 717.50 557.00 260.50 28.50 9.00 2.00 159.50 561.00 992.00 1193.50 6710.50
1995 1161.50 767.50 757.00 625.50 457.00 181.00 37.50 0.50 194.50 562.50 793.50 1060.00 6598.00
1996 1275.50 950.50 814.00 570.50 246.50 48.50 0.00 1.50 274.00 574.50 853.50 1183.00 6792.00
1997 1213.50 987.00 748.50 701.50 289.50 52.00 5.50 11.00 137.00 561.50 883.00 1246.00 6836.00
1998 1100.00 932.00 844.50 625.00 302.00 170.00 0.00 0.00 73.50 510.00 805.50 1277.50 6640.00
1999 1110.50 867.50 688.00 647.00 397.00 113.00 3.50 10.50 236.00 468.00 758.00 1185.50 6484.50
2000 1096.50 855.00 806.00 448.00 212.00 32.00 0.00 1.50 163.50 464.00 1082.00 1199.50 6360.00
2001 1220.50 910.50 743.50 515.00 255.00 74.00 3.00 3.50 113.00 482.00 0.00 z 1245.50 5565.50
2002 1260.00 1049.00 909.50 443.50 290.00 24.00 0.00 3.00 157.50 602.50 910.00 1130.00 6779.00
2003 1020.50 926.50 772.50 538.50 286.50 55.00 0.00 0.00 147.00 315.50 904.50 1125.00 6091.50
2004 1300.00 1049.50 624.50 497.00 256.50 51.50 4.50 27.50 209.50 542.00 897.50 1197.50 6657.50
2005 970.50 872.00 833.50 556.00 0.00 z 172.50 4.00 30.50 175.00 471.00 831.50 1216.50 6133.00
2006 1134.00 964.50 853.00 499.50 233.00 24.50 0.00 z 20.00 319.50 570.50 845.50 1213.00 6677.00
2007 1332.50 901.50 683.00 497.50 271.00 69.00 0.00 0.00 133.50 514.00 831.00 1288.00 6521.00
2008 1396.50 1078.00 872.50 637.00 387.50 99.00 0.00 9.50 151.50 492.50 819.00 1259.00 7202.00
2009 1263.50 898.00 767.77 a 577.50 212.50 117.50 0.00 18.00 133.45 a 629.00 818.00 1504.50 6939.71
2010 1327.50 1123.50 823.00 550.00 380.50 66.00 5.50 5.50 117.00 442.50 936.00 1022.50 6799.50
2011 1363.50 1100.50 768.50 618.50 401.00 81.50 0.50 0.00 108.00 517.50 878.50 1207.50 7045.50
2012 1183.00 974.00 699.00 438.00 228.37 a 20.00 0.00 0.00 113.50 496.00 755.00 1271.00 6177.87
2013 1501.00 1077.50 789.00 20.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 48.50 z 3367.50
Period of Record Statistics
MEAN 1293.25 996.73 828.27 566.97 312.49 88.83 6.35 20.92 182.33 517.09 887.56 1235.32 6961.00
S.D. 146.55 111.68 98.00 83.19 67.94 50.62 11.09 22.35 68.48 76.89 81.90 113.17 393.67
SKEW 0.03 0.41 0.31 0.05 0.12 0.44 2.44 1.37 0.77 -0.02 0.47 0.06 0.05
MAX 1569.00 1266.00 1116.50 730.50 457.00 187.50 50.50 100.75 377.00 697.00 1094.50 1520.00 7833.92
MIN 970.50 767.50 624.50 399.00 180.00 4.00 0.00 0.00 72.50 315.50 729.00 915.50 6091.50
NO YRS 55 55 55 54 53 54 53 54 54 55 54 55 51