ALAMOSA SAN LUIS AP, COLORADO

Monthly Total Heating Degree Days

(050130)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 81.50 247.00 712.00 1209.50 1324.00 3574.00
1949 1566.50 1235.00 968.00 696.00 452.50 180.00 13.50 110.00 253.00 720.50 913.00 1411.00 8519.00
1950 1356.50 1031.50 1046.50 679.00 515.00 169.00 87.50 168.50 328.00 481.50 989.50 1254.00 8106.50
1951 1356.50 1144.50 1048.00 745.50 439.00 233.50 12.50 70.50 311.00 687.50 1178.50 1431.00 8658.00
1952 1470.00 1220.00 1168.50 699.00 426.00 83.50 34.50 60.00 280.50 633.00 1203.50 1686.00 8964.50
1953 1254.50 1171.50 976.50 768.50 568.00 102.00 27.50 103.50 301.50 655.50 1037.00 1542.50 8508.50
1954 1345.50 910.00 1031.50 547.50 374.50 156.00 26.50 118.50 240.00 555.00 934.50 1422.50 7662.00
1955 1467.00 1330.50 1045.50 771.50 492.50 209.50 44.50 38.50 281.50 646.00 1048.00 1248.00 8623.00
1956 1304.00 1300.50 1010.50 753.00 363.00 68.50 43.00 150.50 243.50 649.50 1193.50 1392.00 8471.50
1957 1327.50 919.50 995.00 779.00 555.00 166.50 26.00 77.50 347.00 665.50 1300.00 1400.50 8559.00
1958 1494.50 1021.00 1066.50 811.00 348.00 87.00 37.50 40.00 253.00 652.00 1060.50 1200.50 8071.50
1959 1483.00 1173.00 1082.50 708.00 444.50 96.50 32.50 57.00 330.00 689.00 1034.50 1270.00 8400.50
1960 1725.50 1539.00 977.00 664.50 491.00 129.50 45.50 61.00 258.50 664.00 970.50 1562.00 9088.00
1961 1614.00 1113.50 1006.00 733.00 415.00 128.50 61.50 58.50 361.50 689.00 1089.50 1648.50 8918.50
1962 1544.50 974.00 1186.50 618.50 459.50 187.00 73.50 108.00 304.50 599.00 943.50 1235.00 8233.50
1963 1628.50 1208.50 1015.50 680.50 361.00 194.50 13.50 57.50 216.50 501.00 1021.00 1444.50 8342.50
1964 1607.50 1421.00 1239.50 806.50 419.00 187.50 11.00 111.00 296.50 625.50 1173.00 1811.00 9709.00
1965 1501.50 1304.50 1143.50 696.50 492.50 227.50 33.50 135.00 356.00 615.00 907.50 1321.50 8734.50
1966 1613.00 1371.00 988.50 708.00 389.50 178.50 8.50 90.00 293.00 659.00 915.00 1366.50 8580.50
1967 1431.00 1178.00 862.50 697.50 506.00 223.50 28.00 139.00 320.50 670.50 976.50 1657.00 8690.00
1968 1770.50 1232.00 983.00 831.50 505.50 154.50 55.00 138.50 376.00 623.00 1095.50 1515.00 9280.00
1969 1270.50 1162.00 1151.00 655.50 368.50 247.00 10.00 27.50 303.50 820.50 1041.50 1409.00 8466.50
1970 1489.50 1020.00 1128.50 865.00 422.50 240.50 13.50 44.50 377.50 789.50 1011.50 1306.00 8708.50
1971 1423.00 1196.50 1050.00 747.00 550.50 178.50 69.50 70.00 369.00 707.50 1107.00 1526.00 8994.50
1972 1475.00 1078.00 860.00 670.00 468.50 120.00 60.50 103.50 272.00 571.00 1391.50 1700.50 8770.50
1973 1843.50 1366.50 1036.50 859.00 458.50 193.00 79.00 98.50 349.00 642.00 944.50 1373.00 9243.00
1974 1668.00 1402.00 846.50 788.00 367.50 177.00 46.00 177.00 344.00 606.00 1075.00 1605.00 9102.00
1975 1805.50 1206.50 1030.00 831.50 546.50 219.50 32.00 109.50 326.00 701.50 1161.50 1492.50 9462.50
1976 1587.50 1022.00 1014.50 679.50 441.00 215.00 26.50 141.00 322.00 786.00 1109.00 1603.00 8947.00
1977 1607.00 1161.50 1107.00 661.50 446.50 110.50 22.50 56.50 252.50 625.50 959.50 1257.50 8268.00
1978 1310.00 1112.00 902.50 651.50 526.00 132.50 22.50 149.50 285.00 641.00 973.00 1767.00 8472.50
1979 1830.50 1523.50 1073.50 710.50 444.00 210.00 61.50 134.00 274.00 598.00 1321.00 1441.00 9621.50
1980 1370.50 1035.00 1079.00 804.50 512.50 114.00 7.50 107.00 270.50 763.00 1039.50 1144.00 8247.00
1981 1282.50 1105.00 986.00 585.50 462.50 104.00 16.00 113.50 263.50 665.50 911.50 1375.00 7870.50
1982 1465.00 1200.00 986.50 744.00 514.00 236.00 63.00 50.50 282.50 731.50 1025.50 1367.00 8665.50
1983 1386.50 1086.50 956.50 862.50 565.50 258.50 32.50 37.50 219.00 678.50 1121.00 1588.50 8793.00
1984 1967.50 1572.00 1175.00 806.50 305.50 195.00 13.00 62.50 260.50 755.50 1055.00 1391.50 9559.50
1985 1468.00 1215.00 944.50 633.50 423.00 150.00 34.00 72.50 384.50 644.00 1051.50 1477.00 8497.50
1986 1239.00 989.00 874.50 647.50 452.00 143.50 69.50 80.50 372.50 736.00 1011.50 1384.00 7999.50
1987 1600.00 1166.00 1056.50 669.00 444.00 122.00 70.50 103.50 369.50 608.00 1138.50 1560.50 8908.00
1988 1875.50 1387.50 1040.00 666.00 462.50 107.50 32.00 55.50 345.00 586.00 1057.00 1462.50 9077.00
1989 1551.00 1218.50 862.00 608.00 363.00 187.50 20.00 90.00 277.00 707.50 1009.50 1409.50 8303.50
1990 1557.50 1096.00 888.00 651.50 486.50 109.50 64.50 122.50 207.50 640.50 998.50 1602.50 8425.00
1991 1678.50 1089.00 961.50 749.00 418.00 177.00 37.00 57.50 288.50 637.50 1268.50 1855.50 9217.50
1992 1971.50 1466.00 1099.00 541.00 357.00 186.50 101.00 136.50 301.00 615.50 1285.00 1806.00 9866.00
1993 1646.00 1287.00 966.50 701.00 441.50 193.00 58.50 124.50 348.00 741.50 1175.00 1443.00 9125.50
1994 1418.00 1184.50 937.00 698.00 394.50 94.00 69.00 58.50 324.50 704.50 1185.00 1314.50 8382.00
1995 1291.50 890.00 943.50 782.50 544.00 244.50 107.00 29.00 340.50 707.00 976.00 1283.00 8138.50
1996 1370.50 1054.00 1024.50 700.50 304.50 152.50 27.38 a 86.00 373.50 771.00 1002.50 1348.00 8214.88
1997 1521.50 1195.00 933.50 815.50 447.00 176.00 80.00 86.00 214.00 697.00 1125.00 1747.00 9037.50
1998 1536.50 1144.00 1008.00 801.50 435.50 218.00 11.00 63.00 214.00 686.00 926.50 1283.50 8327.50
1999 1223.50 1025.50 858.00 790.50 489.00 212.00 33.50 75.00 347.00 675.50 968.00 1394.50 8092.00
2000 1265.50 1034.50 975.50 615.00 345.50 133.50 27.00 36.50 255.50 668.50 1213.50 1341.00 7911.50
2001 1557.00 1148.00 955.00 629.50 339.50 132.50 21.00 85.00 267.00 642.50 1034.00 1427.00 8238.00
2002 1494.50 1269.50 1046.50 551.00 429.50 89.00 13.00 96.50 291.50 712.00 1059.00 1431.50 8483.50
2003 1196.00 1113.50 964.50 704.00 392.00 206.00 4.00 54.50 311.50 548.50 998.50 1426.50 7919.50
2004 1421.00 1487.50 794.50 666.00 388.50 172.50 101.00 121.50 327.50 685.00 1053.50 1395.50 8614.00
2005 1273.00 1056.00 1020.50 671.50 377.50 177.50 24.00 102.00 239.50 593.00 978.50 1356.50 7869.50
2006 1350.50 1114.50 975.50 612.50 343.00 96.50 32.50 59.50 414.50 667.50 983.00 1417.50 8067.00
2007 1751.00 1184.00 859.00 673.50 411.50 135.50 9.00 21.00 240.00 642.50 1029.50 1633.50 8590.00
2008 1840.50 1403.50 997.50 722.50 493.00 188.50 18.50 69.00 304.50 660.50 1012.00 1408.50 9118.50
2009 1408.00 1056.00 927.00 716.00 307.00 207.50 38.00 134.50 311.50 764.00 948.50 1515.00 8333.00
2010 1436.50 1322.50 997.50 677.00 441.00 105.00 21.50 45.00 207.50 624.50 1102.50 1145.50 8126.00
2011 1406.00 1229.00 881.50 651.00 508.50 119.50 5.00 12.00 274.50 675.50 1080.50 1576.50 8419.50
2012 1356.77 a 1180.50 856.00 570.50 352.50 63.00 16.00 60.50 294.50 662.37 a 1020.00 1619.50 8052.13
2013 1847.00 1221.50 959.50 20.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 54.00 z 4028.00
Period of Record Statistics
MEAN 1510.70 1188.85 997.40 706.74 437.62 162.72 38.07 86.08 298.71 664.30 1063.58 1454.68 8604.16
S.D. 191.87 154.58 92.29 79.14 67.85 50.19 25.98 38.21 50.09 64.66 108.80 162.26 491.29
SKEW 0.58 0.50 0.23 0.06 -0.02 -0.09 0.89 0.29 0.07 -0.18 0.89 0.49 0.51
MAX 1971.50 1572.00 1239.50 865.00 568.00 258.50 107.00 177.00 414.50 820.50 1391.50 1855.50 9866.00
MIN 1196.00 890.00 794.50 541.00 304.50 63.00 4.00 12.00 207.50 481.50 907.50 1144.00 7662.00
NO YRS 65 65 65 64 64 64 64 65 65 65 65 65 64