ALTAMONT, UTAH

Monthly Total Heating Degree Days

(420074)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1953 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 97.50 h 1.00 50.50 162.41 a 569.50 882.00 1251.00 2916.41
1954 1215.00 820.00 969.50 505.50 280.00 180.00 0.00 53.50 198.50 519.50 826.00 1410.00 6977.50
1955 1533.50 1446.00 1181.50 709.00 372.50 184.50 12.00 7.50 190.50 504.50 1062.50 1152.50 8356.50
1956 1145.00 1306.50 878.00 601.50 294.50 74.00 14.00 51.00 124.00 524.00 1048.93 b 1438.50 7499.93
1957 1561.00 1115.50 868.00 675.00 441.00 144.00 6.50 53.22 a 256.00 550.00 1082.50 1202.50 7955.22
1958 1305.50 841.50 1001.00 694.00 239.50 54.00 h 22.00 12.92 a 172.50 512.50 905.00 1036.50 6742.92
1959 1254.00 1053.00 913.50 591.00 397.50 61.50 19.00 28.00 302.50 599.00 900.50 1260.00 7379.50
1960 1562.00 1419.00 909.50 577.50 348.00 65.50 12.00 56.50 154.50 573.50 912.50 1301.50 7892.00
1961 1294.50 956.50 897.50 628.50 350.50 71.00 6.00 13.00 389.50 630.00 1068.00 1467.00 7772.00
1962 1571.00 1122.50 1194.50 481.50 369.50 152.50 16.50 52.00 197.00 500.00 804.00 1234.50 7695.50
1963 1504.53 a 841.50 933.00 683.00 280.00 157.50 1.50 23.50 134.50 382.50 870.00 1326.50 7138.03
1964 1355.00 1195.50 1128.00 647.00 380.50 180.00 0.00 83.00 241.00 506.00 0.00 z 0.00 z 5716.00
1965 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
1966 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 84.50 i 7.50 45.50 186.50 628.50 851.50 1457.00 3176.50
1967 1439.50 1215.00 975.50 849.50 498.58 a 300.50 6.50 8.00 191.00 535.50 879.50 1553.00 8452.08
1968 1527.00 1192.00 955.26 d 810.50 468.50 158.00 23.50 163.50 332.50 591.00 1006.50 1376.50 8604.76
1969 1316.50 1244.00 1226.57 a 614.00 273.00 245.00 22.50 10.00 179.50 793.50 953.00 1181.50 8059.07
1970 1364.50 967.00 1033.50 745.00 384.00 196.03 a 21.70 a 11.50 345.52 a 766.50 935.50 1339.00 8109.75
1971 1359.00 1077.00 998.95 b 0.00 z 483.08 a 154.00 1.00 12.00 382.00 721.50 1152.50 1488.50 7829.53
1972 1338.00 1038.50 755.37 a 589.29 b 405.58 a 104.48 a 23.00 57.50 271.00 604.00 1095.00 1576.57 c 7858.29
1973 1722.00 1365.50 1100.00 789.81 d 413.00 220.50 57.00 32.07 b 323.08 d 569.50 1066.07 b 1370.20 a 9028.72
1974 1675.00 1353.50 872.50 725.17 a 337.00 120.00 11.00 56.66 b 257.50 528.50 921.50 1349.00 8207.33
1975 1426.00 1222.50 1025.50 876.50 533.00 277.24 a 10.00 98.00 240.50 634.50 549.50 l 952.00 k 6343.74
1976 1495.50 1134.50 1121.50 668.50 369.00 220.00 12.00 68.00 235.00 666.00 938.50 1284.00 8212.50
1977 889.50 j 1017.00 1068.00 547.00 514.50 38.50 19.00 52.50 230.50 549.50 932.00 1137.70 a 6106.20
1978 1380.00 1195.00 928.00 658.00 493.50 159.00 30.00 67.00 271.00 539.50 1133.50 1648.00 8502.50
1979 1743.50 1300.00 1081.00 693.46 d 295.00 g 189.50 12.50 65.00 126.50 525.00 1160.00 1322.00 8218.46
1980 1413.50 1199.00 1100.00 581.50 f 470.00 151.00 9.00 80.60 a 249.00 643.50 919.50 1019.00 7254.10
1981 1103.00 987.50 901.00 544.29 b 453.50 114.50 11.50 30.00 145.50 697.00 882.50 1193.50 7063.79
1982 1439.50 1194.00 968.50 773.50 461.50 210.00 48.50 16.50 234.00 740.50 1097.00 1367.00 8550.50
1983 1317.50 1091.50 897.00 825.50 518.50 204.00 55.50 1.00 178.50 530.50 992.00 1458.50 8070.00
1984 1599.50 1329.50 1066.50 772.00 370.50 222.00 9.50 24.50 255.00 751.50 973.50 1389.50 8763.50
1985 1516.50 1370.00 1027.50 518.50 315.50 111.00 16.50 42.50 351.00 616.00 1031.00 1388.00 8304.00
1986 1284.00 962.00 733.00 673.00 441.50 48.50 38.00 18.00 336.00 654.50 943.00 1247.50 7379.00
1987 1425.50 1002.00 1008.00 534.00 368.50 94.50 50.50 76.50 221.00 512.00 939.50 1359.50 7591.50
1988 1586.50 1246.00 1041.50 655.00 408.00 76.00 1.50 15.50 310.00 398.50 978.50 1412.50 8129.50
1989 1587.00 1424.00 891.00 536.50 361.00 177.50 1.50 76.50 235.00 590.00 916.00 1267.00 8063.00
1990 1276.50 1216.00 870.50 518.00 438.50 117.50 14.50 28.00 134.00 610.50 987.00 1642.00 7853.00
1991 1628.50 1061.00 950.00 733.00 442.00 172.50 23.00 11.00 249.50 544.50 1052.50 1396.50 8264.00
1992 1481.00 1055.50 764.50 445.00 254.00 163.00 73.00 59.50 221.00 502.00 1102.00 1525.00 7645.50
1993 1474.50 1329.50 976.50 689.00 368.50 237.50 115.50 91.00 293.50 660.50 1150.50 1322.00 8708.50
1994 1177.50 1220.50 802.00 594.50 308.50 60.00 21.00 7.00 0.00 z 628.50 1119.00 1255.50 7194.00
1995 1339.00 902.50 866.00 725.00 563.50 289.50 70.50 9.00 224.00 635.50 827.50 1136.00 7588.00
1996 1295.00 1141.50 897.50 700.00 373.00 97.50 0.50 18.50 309.00 647.50 963.50 1282.50 7726.00
1997 1398.50 1275.50 996.00 804.50 390.50 130.00 68.00 36.00 232.00 643.50 1034.00 1443.00 8451.50
1998 1213.50 1047.50 966.50 750.50 455.00 304.50 0.00 13.50 173.00 609.50 912.00 1351.00 7796.50
1999 1182.50 1004.50 820.50 768.00 503.50 203.50 17.00 15.50 255.00 0.00 z 0.00 z 0.00 z 4770.00
2000 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
2001 0.00 z 0.00 z 0.00 z 622.50 329.63 a 121.50 13.00 16.00 107.50 529.00 875.50 1456.00 4070.63
2002 1414.00 1162.50 1066.50 543.50 397.50 81.50 2.50 20.00 216.00 654.00 1018.00 1472.50 8048.50
2003 1292.00 1163.00 892.00 639.50 379.50 145.50 0.00 5.50 245.50 406.00 1109.00 1287.50 7565.00
2004 1503.50 1306.50 716.50 576.50 373.50 137.50 26.50 79.50 284.50 596.00 989.50 1279.50 7869.50
2005 1238.50 1087.50 886.00 668.50 416.00 243.50 3.50 30.50 267.00 561.00 936.50 1331.50 7670.00
2006 1282.00 1082.50 1001.50 604.00 292.00 57.00 6.50 46.00 329.50 682.50 940.00 1347.50 7671.00
2007 1645.50 1030.00 797.00 603.00 334.50 85.50 0.00 7.00 230.69 a 630.50 873.50 1563.43 a 7800.62
2008 1664.00 1315.50 1137.00 764.46 b 484.00 189.50 0.50 22.00 245.50 575.50 855.50 1370.20 a 8623.66
2009 1347.50 1022.50 892.00 712.50 327.00 252.00 6.00 63.50 148.50 732.50 942.50 1629.05 a 8075.55
2010 1485.50 1334.50 1003.50 680.50 570.50 123.50 27.50 60.00 172.50 480.00 g 1032.00 1208.50 7698.50
2011 1563.50 1354.00 1005.50 730.00 584.87 a 215.69 a 42.00 6.72 a 148.50 589.50 1005.52 a 1446.27 e 8692.06
2012 1239.50 1098.00 784.82 a 561.00 e 286.75 e 66.50 4.81 b 4.00 102.60 e 598.50 820.50 1321.00 6887.98
2013 1679.50 1340.50 907.02 b 36.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 103.00 z 3927.02
Period of Record Statistics
MEAN 1421.48 1157.06 958.02 659.74 399.41 155.58 19.75 39.02 231.57 592.77 974.65 1351.49 7967.84
S.D. 158.67 157.42 117.49 99.96 83.98 69.05 22.75 31.08 70.11 86.56 95.35 139.89 497.36
SKEW 0.11 -0.15 0.11 0.03 0.24 0.27 1.99 1.28 0.22 -0.01 0.24 0.00 -0.11
MAX 1743.50 1446.00 1226.57 876.50 584.87 304.50 115.50 163.50 389.50 793.50 1160.00 1648.00 9028.72
MIN 1103.00 820.00 716.50 445.00 239.50 38.50 0.00 1.00 102.60 382.50 804.00 1019.00 6887.98
NO YRS 55 56 56 54 55 55 58 58 57 56 55 55 45