LARAMIE AP, WYOMING

Monthly Total Heating Degree Days

(485415)

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 66.00 217.00 692.00 1196.00 1348.50 3519.50
1949 1761.50 1276.50 1072.00 722.00 503.00 245.00 49.00 70.00 299.00 751.50 730.50 1305.00 8785.00
1950 1359.00 997.50 1128.50 824.00 684.00 262.50 137.00 165.00 376.50 472.50 976.00 1110.00 8492.50
1951 1443.50 1087.50 1185.50 883.00 506.00 385.50 62.50 110.00 370.50 753.50 1133.50 1359.50 9280.50
1952 1349.50 1225.00 1273.50 771.00 500.00 110.00 81.50 70.50 267.93 a 587.00 1259.00 1315.50 8810.43
1953 1089.00 1232.00 970.00 927.50 667.50 185.50 24.00 91.00 254.00 637.50 914.50 1361.50 8354.00
1954 1126.50 900.50 1265.00 674.50 525.00 236.50 11.50 97.00 261.00 654.00 905.50 1264.00 7921.00
1955 1382.50 1312.50 1248.50 821.50 537.33 a 322.50 0.00 z 51.50 292.50 647.00 1137.00 1155.50 8908.33
1956 1252.50 1497.50 1178.00 827.07 a 443.50 107.50 97.00 176.00 269.50 619.50 1221.00 1324.00 9013.07
1957 1500.50 988.00 1147.50 926.50 616.00 291.50 61.50 78.00 405.00 646.00 1197.41 a 1120.00 8977.91
1958 1347.00 942.50 1327.50 901.00 404.00 209.00 117.00 63.00 306.50 616.00 972.50 1195.50 8401.50
1959 1346.00 1160.50 1182.00 831.00 575.00 142.00 73.50 80.00 426.00 789.50 1049.00 1153.00 8807.50
1960 1361.00 1447.50 1052.50 726.00 517.00 182.50 62.50 115.00 260.00 644.50 1018.50 1510.50 8897.50
1961 1414.00 1117.50 1132.00 878.00 492.50 195.00 83.00 69.50 514.00 746.00 1185.00 1398.00 9224.50
1962 1676.50 1155.50 1270.00 719.50 476.50 282.00 112.50 110.00 323.00 597.50 906.00 1213.50 8842.50
1963 1632.00 1046.00 1125.50 799.50 458.00 210.00 23.00 80.08 a 210.50 496.50 880.50 1311.00 8272.58
1964 1458.50 1466.00 1368.50 891.50 508.50 294.00 0.00 z 162.00 357.00 665.50 1057.50 1347.00 9576.00
1965 1221.50 1264.50 1434.50 739.00 608.50 283.50 65.00 174.50 579.50 571.50 863.50 1230.50 9036.00
1966 1371.50 1268.00 1025.00 874.00 471.00 244.50 8.00 133.00 315.50 745.50 942.50 1294.00 8692.50
1967 1301.50 1173.00 965.50 810.50 621.50 339.50 67.50 139.50 355.50 662.50 1088.50 1570.00 9095.00
1968 1381.50 1175.50 1014.00 1016.50 637.00 244.00 92.00 192.00 426.50 651.00 1169.50 1356.50 9356.00
1969 1167.00 1170.50 1416.50 694.50 423.00 379.00 25.50 26.00 236.50 1035.00 1089.00 1232.50 8895.00
1970 1297.50 1000.00 1266.50 964.00 493.50 263.50 29.50 30.50 442.00 925.50 1059.50 1267.50 9039.50
1971 1245.50 1225.00 1154.00 822.00 598.50 194.00 96.00 63.00 473.00 766.00 1024.50 1320.50 8982.00
1972 1349.00 1083.50 917.50 785.50 543.50 174.50 111.00 135.50 345.00 731.00 1253.00 1503.00 8932.00
1973 1591.50 1358.00 1250.50 1026.50 585.50 239.00 141.50 60.00 406.50 618.50 1066.00 1340.50 9684.00
1974 1499.50 1198.00 1020.50 858.00 485.50 213.50 58.50 180.00 478.00 658.50 1005.00 1441.50 9096.50
1975 1387.00 1246.00 1153.00 946.00 643.50 333.50 41.50 124.50 417.00 661.00 1104.00 1244.50 9301.50
1976 1405.50 1094.00 1187.00 778.00 547.00 264.00 24.50 117.50 356.00 800.50 1079.50 1274.50 8928.00
1977 1413.00 1125.50 1199.50 753.00 504.00 89.50 36.50 127.00 274.00 650.50 1019.00 1173.50 8365.00
1978 1347.50 1132.50 952.00 747.00 608.00 235.00 46.50 140.00 328.50 698.00 1054.50 1589.00 8878.50
1979 1699.50 1166.00 1085.50 770.00 605.50 240.00 30.50 147.50 252.50 648.00 1405.00 1222.50 9272.50
1980 1420.50 1227.00 1179.00 861.50 560.50 163.50 17.50 124.50 285.00 769.00 1042.00 975.50 8625.50
1981 1227.00 1070.50 1113.00 627.50 631.50 177.50 72.00 151.00 270.50 748.50 919.00 1227.50 8235.50
1982 1374.50 1159.50 1024.00 867.50 587.00 323.00 104.00 29.50 388.00 810.50 1208.50 1407.50 9283.50
1983 1220.00 1081.50 1175.50 1109.00 723.00 341.00 78.00 33.50 283.00 670.00 1117.50 1618.00 9450.00
1984 1533.00 1341.00 1225.00 1019.50 456.50 273.50 40.50 68.50 432.00 898.50 1035.00 1326.00 9649.00
1985 1685.00 1301.50 1078.50 753.00 474.50 215.00 68.00 114.00 472.00 761.00 1211.50 1399.50 9533.50
1986 1134.50 1073.15 b 850.00 773.50 594.00 158.00 102.00 111.00 430.00 756.50 1075.00 1357.00 8414.65
1987 1352.50 1081.50 1142.50 736.50 485.00 213.00 118.50 174.00 379.50 666.50 1135.00 1425.50 8910.00
1988 1538.50 1279.50 1225.50 738.00 525.50 86.00 34.50 103.50 376.50 564.00 1039.00 1366.00 8876.50
1989 1276.00 1478.50 944.50 742.50 529.00 303.00 49.00 131.50 373.00 728.50 972.00 1396.50 8924.00
1990 1245.50 1220.50 1087.50 781.00 618.50 202.00 140.50 134.00 265.50 718.50 975.00 1494.00 8882.50
1991 1391.50 1018.00 1042.50 886.50 521.00 234.00 109.50 105.00 378.50 716.00 1167.50 1271.50 8841.50
1992 1410.00 1073.50 982.00 630.50 464.00 288.00 161.50 169.00 305.50 634.00 1275.00 1434.50 8827.50
1993 1400.50 1380.50 1121.50 844.50 515.50 333.50 155.50 160.50 428.50 815.00 1251.50 1301.00 9708.00
1994 1247.50 1176.50 973.50 799.66 a 431.00 143.00 72.50 71.50 321.50 710.00 1093.00 1179.00 8218.66
1995 1329.50 987.00 1007.00 875.00 689.50 333.00 135.50 33.00 389.50 718.50 913.00 1212.00 8622.50
1996 1392.00 1136.50 1098.50 815.50 515.00 195.50 37.50 111.00 415.00 753.00 992.00 1194.50 8656.00
1997 1355.50 1204.00 937.50 999.50 527.00 185.00 88.00 89.38 a 273.00 711.00 1152.50 1462.00 8984.38
1998 1199.50 1074.00 1164.50 841.00 485.50 370.50 20.50 74.00 186.00 671.00 865.50 1410.50 8362.50
1999 1248.50 1005.50 960.50 924.00 596.50 276.50 44.00 81.50 453.50 655.00 804.83 a 1333.00 8383.33
2000 1218.50 981.50 998.50 696.00 438.50 225.00 16.50 37.00 0.00 z 708.00 1513.45 a 1501.43 a 8334.38
2001 1496.78 a 1241.00 1086.50 769.00 514.00 194.00 7.50 65.00 259.50 653.50 1020.00 1314.00 8620.78
2002 1395.00 1173.93 a 1252.50 724.50 559.50 125.00 11.00 110.00 304.00 883.50 1132.00 1216.00 8886.93
2003 1080.50 1296.50 1083.00 750.50 511.00 303.50 12.00 58.50 413.00 594.00 1144.66 a 1286.50 8533.66
2004 1275.50 1250.50 846.50 774.50 483.50 300.00 113.00 201.00 385.00 667.50 1066.00 1209.00 8572.00
2005 1139.00 1115.00 1077.00 807.50 548.00 286.50 35.50 114.50 283.50 644.00 976.00 1363.50 8390.00
2006 1193.50 1191.00 1151.50 689.50 461.00 114.00 30.50 81.50 481.50 814.00 992.00 1375.50 8575.50
2007 1728.50 1064.50 908.50 789.50 516.50 204.50 9.00 29.00 292.50 661.00 0.00 z 0.00 z 6203.50
2008 1513.00 1260.50 1101.57 b 901.50 623.50 280.00 30.00 103.00 378.00 687.50 917.00 1394.50 9190.07
2009 1235.00 1030.00 1019.00 875.50 468.50 289.00 94.00 145.50 327.50 926.50 1101.00 1638.00 9149.50
2010 1474.00 1384.00 1133.00 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 3991.00
2011 1388.50 1328.00 961.50 834.00 679.00 235.00 16.00 14.00 333.00 685.00 1056.00 1588.50 9118.50
2012 1205.50 1311.50 815.00 635.50 476.50 86.00 13.00 47.50 285.00 723.00 790.50 1302.00 b 7691.00
2013 1458.50 1210.00 1056.00 47.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 51.50 z 3724.50
Period of Record Statistics
MEAN 1368.64 1180.62 1104.47 818.75 539.66 235.79 64.04 101.90 348.32 702.52 1062.15 1330.67 8843.25
S.D. 155.30 134.97 133.05 100.85 73.54 74.89 42.56 46.74 81.92 98.13 141.20 131.11 417.00
SKEW 0.51 0.29 0.17 0.49 0.49 -0.14 0.51 0.13 0.37 0.77 0.37 0.20 -0.19
MAX 1761.50 1497.50 1434.50 1109.00 723.00 385.50 161.50 201.00 579.50 1035.00 1513.45 1638.00 9708.00
MIN 1080.50 900.50 815.00 627.50 404.00 86.00 7.50 14.00 186.00 472.50 730.50 975.50 7691.00
NO YRS 65 65 65 63 63 63 61 64 63 64 63 63 59