BLOWHARD MTN RADAR, UTAH

Monthly Total Heating Degree Days

(420757)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200603
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
1964 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 397.00 589.50 684.00 1228.50 1464.75 a 4363.75
1965 1336.00 1260.50 1421.50 1152.41 a 981.00 710.50 403.50 405.50 744.00 671.50 1124.50 1323.70 a 11534.61
1966 1505.50 1426.50 1186.00 962.50 705.77 a 503.04 b 201.50 k 334.28 a 519.83 a 894.19 b 1109.00 1336.50 10483.10
1967 1374.85 a 1208.00 1261.59 c 1351.07 b 924.50 686.00 310.52 a 341.00 585.50 756.00 1032.00 1559.82 a 11390.84
1968 1287.00 1175.02 a 1266.87 a 1162.50 865.50 441.50 364.50 544.00 571.55 a 827.50 1200.00 1502.50 11208.44
1969 1360.50 1351.26 a 1425.00 1036.00 707.50 625.50 316.50 276.50 500.00 1089.00 1124.50 1327.50 11139.76
1970 1430.50 1183.50 1403.00 1277.07 a 860.00 575.00 c 345.00 339.00 649.00 983.22 a 1118.79 a 1438.92 a 11603.00
1971 1390.50 1310.30 a 1307.88 b 1073.57 b 1026.44 d 490.34 a 232.50 a 378.20 a 607.50 b 1050.50 1191.00 1579.93 b 11638.67
1972 1405.50 1199.00 1061.23 a 1032.41 a 748.81 b 496.11 c 207.38 b 389.05 a 0.00 z 1028.17 a 1363.45 a 1512.80 a 10443.91
1973 1500.00 1285.93 a 1465.27 a 1185.00 793.00 506.50 313.50 355.50 594.00 820.47 a 1227.50 1321.00 11367.66
1974 1527.55 b 1278.31 b 1209.55 c 1151.38 a 730.00 315.52 a 360.50 359.60 a 492.50 827.70 a 1158.10 a 1486.97 a 10897.68
1975 1391.79 b 1320.26 e 987.00 h 1309.80 e 962.66 c 566.54 d 350.19 d 360.38 c 514.62 d 909.16 b 1127.40 e 1214.37 e 10027.15
1976 1295.44 e 1215.41 a 1049.00 h 827.50 g 735.73 a 490.50 303.00 330.00 g 604.80 e 931.03 a 978.00 e 1219.52 c 7773.44
1977 1382.17 b 1124.67 a 1488.60 e 895.00 c 978.16 c 380.00 c 322.83 b 350.19 d 552.12 d 593.50 g 1076.50 1036.50 g 8550.22
1978 1390.41 d 1301.44 c 1160.71 e 1152.78 c 902.58 e 341.50 i 276.79 c 358.22 d 615.00 b 739.35 a 1185.58 d 1526.00 10608.85
1979 1645.87 d 1347.92 c 1344.62 c 796.50 h 861.05 b 503.65 d 303.59 b 469.81 b 330.50 g 588.50 g 1263.00 e 1202.91 c 8942.43
1980 1075.00 f 1178.96 c 1467.13 e 1129.20 e 825.50 f 550.20 e 304.26 d 395.52 b 567.78 c 866.85 d 1071.11 c 1086.60 b 8617.62
1981 944.50 h 923.00 f 1403.30 c 694.00 h 938.04 d 386.40 e 289.33 d 339.21 e 452.50 f 780.50 h 1111.73 d 1263.25 e 5731.27
1982 1477.87 e 1249.65 e 1066.00 g 779.00 j 633.50 i 482.00 f 419.10 e 398.41 d 672.60 e 1042.52 d 1248.46 d 1368.17 e 7876.77
1983 783.00 l 896.00 h 825.50 l 642.00 o 478.00 o 341.50 n 232.50 o 339.00 h 315.50 j 703.00 g 499.50 q 1105.00 g 0.00
1984 1321.50 1255.50 1313.50 1157.00 641.50 533.28 a 338.50 377.17 a 516.72 a 1172.32 a 0.00 z 1483.00 10109.98
1985 1453.26 b 1341.41 a 1417.50 941.38 a 803.50 380.00 261.90 b 322.06 d 701.40 e 914.00 1300.50 1224.00 11060.90
1986 1131.50 1230.50 1142.00 1087.00 803.00 409.00 406.00 326.50 760.50 1004.00 1162.24 a 1318.50 10780.74
1987 1457.00 1322.50 1398.00 910.50 841.65 a 423.50 404.00 403.00 513.00 782.50 1211.50 1520.50 11187.65
1988 1449.50 1159.50 1338.00 1021.00 854.00 434.50 249.00 377.50 572.00 654.50 1227.50 1427.00 10764.00
1989 1448.00 1314.50 1165.08 a 852.00 791.50 495.50 238.50 428.50 536.00 901.50 1039.50 1240.50 10451.08
1990 1396.50 1311.00 1246.00 974.50 881.50 416.50 283.50 404.50 494.00 829.00 1120.50 1514.00 10871.50
1991 1393.97 a 1059.00 0.00 z 1191.00 963.00 595.00 296.00 370.50 530.00 821.00 1198.00 1320.00 9737.47
1992 1331.45 a 1263.50 1309.50 879.00 795.50 566.50 422.00 357.50 487.50 786.00 1325.69 a 1482.00 11006.14
1993 1439.00 1331.50 1173.50 1051.50 790.00 591.50 386.50 388.50 506.50 879.50 1222.00 1341.50 11101.50
1994 1277.00 1318.00 1118.50 1024.50 799.50 322.00 200.00 256.50 488.50 934.00 1357.50 b 1328.87 a 10424.87
1995 1409.50 0.00 z 1263.50 1082.00 967.00 631.50 285.50 0.00 z 435.00 715.50 875.00 1231.50 8896.00
1996 1365.00 1071.45 a 1167.50 918.50 0.00 z 285.00 160.00 170.00 513.50 845.50 1104.50 1290.50 8891.45
1997 1312.50 1187.50 962.00 1049.50 579.50 400.50 210.28 a 216.00 417.00 738.00 981.50 0.00 z 8054.28
1998 0.00 z 1228.50 1131.00 1085.00 812.50 493.50 162.50 141.00 414.31 a 815.50 974.50 1236.56 d 8494.87
1999 1228.63 a 1090.92 b 999.20 c 1153.45 a 729.02 a 380.40 e 261.78 d 257.00 331.03 a 544.00 736.00 1188.33 d 8899.76
2000 1149.00 971.50 a 935.00 609.64 b 516.00 321.00 220.00 211.83 a 425.69 a 759.00 1050.50 1142.35 a 8311.52
2001 1282.50 218.50 v 118.00 z 1247.50 802.90 a 489.11 b 208.00 i 160.17 a 254.50 518.45 b 1010.00 1091.00 g 5765.12
2002 1377.36 b 1119.50 1258.00 856.00 613.05 b 204.83 a 85.00 184.45 a 463.00 840.50 1032.93 a 1331.00 9365.62
2003 1074.00 1196.50 1157.00 0.00 z 0.00 z 0.00 z 30.00 231.00 456.00 671.50 1285.86 a 1373.50 7475.36
2004 1384.00 1407.57 b 0.00 z 1035.50 755.00 412.00 299.50 397.50 567.00 0.00 z 1300.50 1309.23 a 8867.81
2005 1323.50 1260.50 1322.00 1083.62 a 805.48 a 621.00 124.50 g 401.00 563.50 846.50 1052.50 1336.00 10615.60
2006 1401.00 1229.67 d 1108.50 g 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 2630.67
Period of Record Statistics
MEAN 1371.24 1239.14 1255.56 1059.45 812.94 476.58 287.12 337.78 534.92 840.38 1137.70 1351.95 10750.30
S.D. 109.36 98.46 146.25 148.48 117.67 114.97 88.79 87.98 101.29 143.49 131.06 125.59 896.89
SKEW -0.50 -0.53 -0.36 -0.55 -0.40 -0.10 -0.78 -0.53 -0.17 0.01 -0.63 0.05 -1.57
MAX 1645.87 1426.50 1488.60 1351.07 1026.44 710.50 422.00 544.00 760.50 1172.32 1363.45 1579.93 11638.67
MIN 1074.00 971.50 935.00 609.64 516.00 204.83 30.00 141.00 254.50 518.45 736.00 1086.60 8311.52
NO YRS 38 38 34 35 36 37 37 39 38 37 40 38 20