LOGAN UTAH STATE UNIV, UTAH

Monthly Total Heating Degree Days

(425186)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** 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
1893 0.00 z 0.00 z 1095.50 600.00 363.50 80.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2139.50
1894 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.50 0.00 z 0.00 z 468.00 675.00 1322.00 2468.50
1895 1473.00 1330.00 962.50 523.50 344.00 200.50 67.00 34.50 278.00 398.00 1007.00 1355.00 7973.00
1896 1151.50 921.50 927.50 651.50 526.00 57.50 4.50 4.50 167.00 390.50 970.00 1058.50 6830.50
1897 1357.00 1100.50 1194.00 629.50 144.50 123.00 47.00 1.50 70.50 527.50 752.00 1269.00 7216.00
1898 1587.50 995.00 1043.50 395.00 409.50 107.00 18.50 0.00 106.00 604.50 957.50 1503.00 7727.00
1899 1126.00 1136.50 930.00 530.50 441.50 153.50 0.00 51.00 56.00 581.00 685.00 1298.00 6989.00
1900 1080.50 964.00 619.00 547.00 247.50 21.50 12.00 16.00 191.50 474.00 760.50 1053.00 5986.50
1901 1141.00 1027.50 865.50 585.00 151.50 151.50 3.00 3.00 190.00 357.00 691.50 1129.50 6296.00
1902 1243.50 846.50 959.50 546.50 309.50 84.00 76.50 12.50 176.50 421.00 861.50 1110.50 6648.00
1903 1171.50 1447.50 890.50 575.00 397.00 15.50 39.00 14.50 238.50 452.50 891.50 1270.00 7403.00
1904 1331.50 1023.50 884.50 492.50 279.00 90.00 5.50 37.00 81.50 384.50 723.00 1145.50 6478.00
1905 1160.50 1082.00 704.50 406.00 348.50 54.00 3.50 1.50 83.00 585.50 741.00 1417.00 6587.00
1906 1353.50 1017.00 949.00 476.50 403.00 242.00 0.00 74.50 244.50 690.50 992.00 973.50 7416.00
1907 1364.50 767.00 800.00 542.00 413.00 182.00 4.00 44.50 137.50 309.00 822.00 1131.00 6516.50
1908 1234.00 1096.00 812.50 438.00 472.50 278.50 0.00 40.00 192.00 620.50 925.50 1278.50 7388.00
1909 1093.00 1051.50 1025.00 711.00 515.50 31.50 6.50 2.00 148.00 436.50 823.00 1534.50 7378.00
1910 1382.00 1164.00 622.50 397.50 270.00 42.50 1.00 22.50 89.50 475.00 752.00 1088.50 6307.00
1911 1106.50 1223.50 777.00 601.50 369.00 75.50 24.50 8.00 177.00 595.00 984.00 1309.50 7251.00
1912 1148.50 1021.00 934.00 629.00 390.00 96.50 27.50 41.50 347.50 621.00 819.00 1226.00 7301.50
1913 1323.00 1095.50 975.00 485.00 249.50 84.50 13.00 0.00 167.00 455.50 754.50 1250.50 6853.00
1914 1225.50 1138.00 884.50 532.50 194.50 110.50 0.00 1.50 172.50 410.50 743.00 1355.00 6768.00
1915 1330.00 838.00 645.50 288.00 330.00 167.50 0.50 6.50 145.50 390.00 789.50 1137.50 6068.50
1916 1267.00 994.50 727.00 438.00 432.50 137.00 0.00 6.00 101.00 547.50 971.00 1460.00 7081.50
1917 1512.50 1167.00 1232.00 743.50 421.50 170.00 0.00 0.00 108.00 426.00 739.50 815.00 7335.00
1918 1136.00 1104.00 729.00 567.00 324.00 24.00 1.50 21.50 64.00 395.00 908.00 1141.50 6415.50
1919 1161.00 969.50 799.50 477.00 219.50 48.50 0.00 0.00 100.50 736.00 896.50 1386.00 6794.00
1920 1165.00 886.50 914.50 736.00 329.00 104.00 11.50 29.50 174.00 660.50 899.50 1208.50 7118.50
1921 1198.50 1041.00 726.00 649.50 356.00 109.50 24.00 1.50 183.00 329.50 706.00 1107.00 6431.50
1922 1593.50 1155.50 1140.00 738.00 313.00 16.50 3.50 0.00 54.00 397.00 916.00 1145.50 7472.50
1923 1106.00 1295.50 1066.50 614.00 290.50 160.50 0.00 0.00 147.00 622.50 756.50 1242.50 7301.50
1924 1480.00 962.50 1046.00 567.00 232.00 78.00 2.00 13.50 176.50 477.50 867.00 1432.50 7334.50
1925 1216.00 821.00 724.00 453.50 189.50 169.00 0.00 12.00 144.50 502.50 860.00 1017.50 6109.50
1926 1277.50 874.50 752.00 385.50 236.50 24.50 1.00 8.50 198.00 427.50 680.00 1226.50 6092.00
1927 1172.00 935.00 870.00 553.00 350.50 75.50 3.00 18.50 159.00 373.00 667.00 1326.00 6502.50
1928 1204.50 1022.25 a 722.50 583.45 a 141.00 132.00 13.00 9.30 a 121.80 e 490.32 a 833.00 1370.50 6643.62
1929 1397.00 1224.00 866.40 b 630.00 a 285.72 a 116.50 4.13 a 1.66 c 225.00 a 399.00 923.04 b 963.58 a 7036.03
1930 1582.50 812.54 b 762.94 d 311.67 c 326.50 79.14 a 0.00 b 2.50 135.00 b 529.50 1070.00 1509.38 b 7121.67
1931 1434.50 999.50 877.00 510.56 c 287.61 d 2.14 b 1.19 e 2.00 101.40 e 409.41 b 1013.28 a 1374.85 a 7013.44
1932 1509.00 1148.19 b 985.59 b 553.93 b 265.50 133.00 7.50 19.63 a 95.56 c 520.00 712.50 b 1440.50 7390.89
1933 1209.53 b 1316.50 932.67 b 632.68 b 433.00 9.83 a 0.00 40.00 106.50 283.00 759.50 916.00 6639.21
1934 1016.00 698.50 538.00 293.50 91.50 76.50 0.00 a 0.00 190.50 361.00 722.00 1128.50 5116.00
1935 1195.50 977.50 896.00 517.00 390.50 58.00 0.00 0.00 49.00 459.50 938.00 1107.50 6588.50
1936 1242.50 1021.50 897.00 423.10 a 169.00 81.50 2.00 1.50 131.00 407.13 a 883.00 1060.00 6319.24
1937 1667.00 1104.00 911.00 637.50 192.50 116.50 0.00 7.00 78.00 363.00 737.00 995.00 6808.50
1938 1042.50 843.50 859.50 480.54 b 362.50 55.00 36.00 9.50 18.00 393.50 1022.00 1026.50 6149.04
1939 1169.50 1224.22 a 805.00 408.00 192.50 139.00 1.50 1.00 105.00 442.50 679.50 961.00 6128.72
1940 1143.50 851.00 683.50 526.00 120.00 55.00 0.00 1.50 100.50 362.00 1009.50 1039.00 5891.50
1941 1224.00 963.00 750.00 563.00 199.50 124.50 2.00 7.00 236.50 548.50 840.00 1090.50 6548.50
1942 1450.50 1250.50 1069.50 469.50 424.00 100.50 0.00 13.50 122.00 449.50 856.50 1105.50 7311.50
1943 1183.50 1042.50 856.00 318.00 350.50 160.50 6.00 25.66 b 28.97 a 385.50 792.93 a 1122.31 d 6272.37
1944 1458.55 a 1060.50 969.02 b 579.00 252.50 167.14 b 0.00 b 3.50 135.50 311.66 c 970.50 1228.50 7136.37
1945 1206.50 916.00 905.50 647.78 c 249.55 a 236.90 a 6.31 d 4.00 274.00 379.15 e 963.00 1218.50 7007.19
1946 1272.00 1066.59 a 780.00 379.50 337.50 67.50 0.53 b 0.00 b 166.50 648.50 882.00 969.50 6570.13
1947 1425.00 865.00 727.00 551.50 187.50 166.00 0.00 12.00 129.50 385.00 1002.00 1256.50 6707.00
1948 1217.00 1081.00 1017.32 a 590.00 304.50 80.17 a 12.50 5.00 116.00 380.00 947.50 1297.50 7048.49
1949 1719.50 1159.50 808.14 b 381.00 236.50 131.50 5.68 a 0.00 85.50 623.50 649.50 1192.00 6992.32
1950 1268.50 971.50 884.00 568.50 429.00 132.50 11.00 6.00 212.50 329.00 747.00 1008.00 6567.50
1951 1246.50 931.78 a 1010.00 474.50 289.50 164.50 7.50 14.00 122.00 525.50 944.00 1245.50 6975.28
1952 1309.50 1238.50 1124.50 523.00 231.50 80.00 3.50 1.50 44.00 273.00 988.00 1121.50 6938.50
1953 875.00 921.00 745.50 614.50 466.50 121.00 0.00 0.00 57.00 401.00 671.00 1171.00 6043.50
1954 1094.30 a 957.50 882.00 385.86 a 219.00 188.00 8.50 19.50 128.89 c 0.00 z 0.00 z 1178.57 d 5062.12
1955 1474.00 1242.89 a 1072.17 b 696.35 d 268.67 a 138.50 22.73 a 0.00 b 173.04 b 427.59 b 792.00 g 1023.55 c 6539.48
1956 1062.30 c 1275.48 a 863.35 a 485.00 c 234.05 a 66.67 c 0.53 b 13.00 g 79.04 d 456.70 c 1020.56 c 1219.52 c 6763.20
1957 1390.87 a 879.41 a 755.92 e 596.11 c 293.35 d 97.24 a 0.00 b 1.50 140.89 b 482.10 b 1003.97 a 1036.20 d 6677.57
1958 1321.50 803.19 a 910.50 620.77 d 142.17 b 28.50 g 2.87 d 0.00 d 147.50 365.59 b 893.00 950.50 6157.58
1959 1078.80 a 957.00 836.00 496.00 371.50 62.50 13.00 7.48 b 222.32 b 483.08 a 825.00 1149.50 6502.19
1960 1372.50 1189.00 a 835.93 b 481.50 288.30 a 35.36 b 0.00 a 71.62 b 37.24 a 437.62 a 814.50 1235.00 6798.57
1961 1148.00 850.50 774.50 528.10 a 251.21 b 38.00 3.00 0.00 b 250.86 a 522.87 a 899.46 b 1144.00 6410.50
1962 1438.92 a 976.50 921.73 a 381.72 a 282.00 102.50 6.20 a 32.55 a 77.14 b 343.00 738.50 1112.00 6412.77
1963 1381.50 729.00 797.50 637.24 a 180.50 136.55 a 0.00 0.50 49.14 a 287.00 861.00 1319.05 a 6378.98
1964 1441.50 1323.50 1115.48 a 610.00 308.50 174.50 0.00 55.00 143.00 389.00 857.00 1060.50 7477.98
1965 0.00 z 970.00 972.00 517.50 377.50 113.50 6.50 37.00 319.50 335.00 695.00 1317.00 5660.50
1966 1216.00 1164.50 914.00 571.50 219.50 108.50 0.00 12.00 116.50 519.50 731.00 1310.50 6883.50
1967 1128.00 927.50 822.50 685.50 367.50 151.00 4.00 0.00 93.00 470.00 761.50 1350.50 6761.00
1968 1406.00 1033.00 766.50 699.00 337.00 133.00 14.50 87.83 a 213.50 476.50 897.00 1171.00 7234.83
1969 1082.00 1084.50 1097.50 518.50 142.50 157.00 14.00 0.00 44.00 675.50 805.50 1058.50 6679.50
1970 1099.50 795.00 887.00 741.00 329.50 101.50 9.50 0.00 264.50 604.50 777.50 1192.50 6802.00
1971 1154.00 970.00 938.50 588.50 295.00 120.00 3.00 2.00 266.00 611.50 906.00 1284.00 7138.50
1972 1190.00 954.50 654.50 589.50 261.00 35.00 7.50 8.00 191.00 436.50 892.50 1412.50 6632.50
1973 1429.00 1137.00 921.00 650.00 268.00 135.50 14.00 1.00 223.50 426.50 809.50 1084.50 7099.50
1974 1269.50 1144.50 762.00 596.50 284.50 78.50 2.00 2.00 85.00 413.50 789.00 1210.00 6637.00
1975 1307.00 1032.00 903.50 766.00 459.50 167.50 0.00 27.50 115.00 489.50 903.00 1071.50 7242.00
1976 1293.00 1183.00 1143.00 596.00 207.50 139.50 0.00 24.50 106.00 500.50 748.00 1112.50 7053.50
1977 1348.00 1012.50 954.50 447.50 413.50 0.50 2.50 30.50 160.50 406.50 803.00 975.50 6555.00
1978 1060.50 868.50 660.00 562.00 409.00 108.00 6.00 58.50 221.50 365.50 983.50 1331.50 6634.50
1979 1581.00 1043.00 866.50 561.50 283.00 101.00 0.00 0.50 41.00 375.00 994.00 1112.00 6958.50
1980 1170.00 940.00 886.00 473.50 356.00 138.00 0.00 39.00 123.50 493.50 801.00 1162.50 6583.00
1981 1173.00 989.50 740.00 460.00 351.50 106.00 4.50 1.00 90.00 557.00 755.50 1000.00 6228.00
1982 1301.00 1185.50 849.00 700.00 386.50 113.00 21.50 4.50 197.50 613.50 957.00 1225.50 7554.50
1983 1074.00 911.00 794.50 717.00 459.50 127.00 35.00 1.00 144.00 446.00 845.50 1292.00 6846.50
1984 1467.00 1324.00 990.50 666.00 307.00 184.50 1.00 4.50 216.50 681.50 884.00 1341.50 8068.00
1985 1532.50 1334.00 1121.00 450.00 211.00 79.00 2.50 21.00 252.50 533.50 1039.00 1475.50 8051.50
1986 1290.50 827.50 594.50 590.50 356.00 29.00 9.50 1.50 291.50 504.00 808.50 1163.50 6466.50
1987 1428.50 919.00 801.00 354.50 205.50 38.00 26.50 27.00 86.50 328.50 874.00 1233.00 6322.00
1988 1374.50 1052.00 882.00 447.00 284.00 40.00 0.00 0.00 201.50 214.50 841.00 1347.00 6683.50
1989 1481.50 1239.50 788.50 419.00 287.00 88.50 0.00 23.00 94.00 431.50 807.50 1207.50 6867.50
1990 1100.00 1028.00 731.50 380.50 347.50 101.00 0.00 2.50 33.50 476.50 801.50 1498.00 6500.50
1991 1410.50 970.50 804.50 634.00 420.00 77.50 4.50 0.00 134.50 424.50 914.50 1341.50 7136.50
1992 1403.00 894.00 590.50 348.50 129.50 60.50 27.00 34.50 105.00 361.50 1038.00 1296.50 6288.50
1993 1369.00 1156.50 842.50 603.50 210.00 184.50 73.00 26.50 151.00 485.50 1006.50 1200.50 7309.00
1994 1013.50 998.00 714.00 460.00 155.00 49.00 10.50 0.00 39.50 514.50 1053.00 1075.00 6082.00
1995 1118.50 752.50 774.50 581.50 403.50 164.50 12.00 5.50 114.50 503.00 649.00 973.00 6052.00
1996 1083.50 1043.50 769.00 543.50 307.00 35.50 0.00 5.00 219.00 473.50 752.50 1038.00 6270.00
1997 1168.00 1038.00 737.00 635.00 211.00 54.00 29.00 1.50 110.50 501.50 820.50 1330.00 6636.00
1998 1026.50 891.00 877.00 593.00 320.50 185.00 0.00 0.00 0.00 z 473.50 750.50 1252.50 6369.50
1999 1037.50 943.50 735.00 662.00 396.00 126.50 0.00 3.00 160.00 360.50 604.50 1163.00 6191.50
2000 1011.00 831.00 786.50 406.50 0.00 z 57.00 0.00 7.00 158.50 446.50 1059.50 0.00 z 4763.50
2001 1441.00 1029.00 742.00 550.50 0.00 z 99.50 0.00 z 1.00 0.00 z 377.50 0.00 z 1363.00 5603.50
2002 0.00 z 0.00 z 985.50 511.00 0.00 z 0.00 z 0.00 2.00 100.50 545.50 915.50 1028.00 4088.00
2003 922.00 1008.00 757.00 511.00 310.50 66.00 0.00 5.00 142.50 288.00 949.50 1027.00 5986.50
2004 1475.50 1198.50 663.00 462.00 300.50 62.00 0.00 39.50 189.00 474.50 878.00 0.00 z 5742.50
2005 1202.00 1170.50 915.50 632.00 308.00 186.00 0.00 7.50 186.00 437.50 823.50 1217.00 7085.50
2006 1114.00 1085.50 939.96 c 506.50 250.00 39.44 c 0.00 r 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3935.41
Period of Record Statistics
MEAN 1266.31 1031.23 862.40 539.65 302.24 103.91 8.29 13.26 144.10 458.11 849.37 1193.79 6777.37
S.D. 167.86 150.25 138.29 106.93 93.28 55.24 14.36 17.97 68.39 101.13 111.42 149.10 506.19
SKEW 0.31 0.25 0.28 -0.19 0.03 0.40 2.88 1.85 0.48 0.42 0.04 0.13 0.03
MAX 1719.50 1447.50 1232.00 766.00 526.00 278.50 76.50 87.83 347.50 736.00 1070.00 1534.50 8068.00
MIN 875.00 698.50 538.00 288.00 91.50 0.50 0.00 0.00 18.00 214.50 604.50 815.00 5116.00
NO YRS 110 111 113 113 110 111 111 110 109 111 109 110 101