IDAHO FALLS 16 SE, IDAHO

Monthly Total Heating Degree Days

(104456)

Base Temperature = 65 F

File last updated on Jul 24, 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 0.00 z 0.00 z 0.00 z 453.00 l 511.00 235.50 47.00 195.50 267.00 665.50 1029.00 1347.50 4298.00
1961 1341.50 1049.00 1058.00 808.50 512.50 158.50 59.00 25.00 527.50 730.00 1084.50 1387.00 8741.00
1962 1507.50 1088.00 1190.00 638.50 532.00 249.50 168.00 175.50 311.50 561.00 916.00 1164.05 a 8501.55
1963 1577.00 887.50 1046.00 814.50 437.62 a 331.00 94.50 79.00 190.50 474.00 933.50 1346.00 8211.12
1964 1479.50 1437.50 0.00 z 0.00 z 507.50 321.00 36.50 194.50 446.00 581.50 1017.00 1312.50 7333.50
1965 1249.00 1131.00 1233.00 684.50 590.00 307.00 108.00 199.50 540.00 551.50 836.50 1258.00 8688.00
1966 1358.50 1234.50 1081.00 786.00 424.00 291.50 35.00 124.00 229.50 738.00 936.00 1332.50 8570.50
1967 1232.50 1088.00 1021.50 842.50 522.00 312.00 47.00 35.50 265.00 655.50 963.50 1490.50 8475.50
1968 1391.00 1046.00 943.00 863.50 587.00 308.50 52.50 253.00 398.00 694.50 1075.50 1378.50 8991.00
1969 1254.50 1176.00 1213.50 707.00 412.00 330.00 81.50 80.00 261.00 850.00 974.50 1219.00 8559.00
1970 1277.50 996.50 1145.50 960.00 517.50 253.00 59.00 46.50 499.00 845.00 976.50 1357.50 8933.50
1971 1308.00 1169.00 1163.50 778.50 499.50 297.50 122.50 53.00 513.00 793.50 1054.00 1459.00 9211.00
1972 1404.50 1136.00 885.00 777.00 507.00 216.00 131.50 97.00 445.00 681.50 1055.50 1509.50 8845.50
1973 1484.00 1153.00 1137.00 873.50 505.00 281.50 71.50 106.50 391.50 0.00 z 1053.00 1268.50 8325.00
1974 1457.00 1207.50 1055.00 780.00 568.50 172.00 42.50 165.50 369.50 621.50 972.00 1399.00 8810.00
1975 1426.00 1226.50 1129.00 0.00 z 653.58 a 342.50 33.50 186.50 366.50 564.50 h 1125.00 1140.50 7629.58
1976 1303.50 1173.00 1286.00 829.00 439.00 341.00 62.00 219.00 314.00 734.00 936.50 1224.00 8861.00
1977 1484.50 1058.00 1198.00 649.00 569.00 117.93 a 81.63 a 0.00 z 329.00 608.50 996.50 1185.50 8277.56
1978 1231.00 1075.00 912.50 724.00 591.50 291.50 114.00 205.00 384.50 660.50 1072.50 0.00 z 7262.00
1979 1705.50 1148.50 1060.00 760.00 490.50 250.50 84.00 116.00 216.00 597.50 1176.00 1164.50 8769.00
1980 1388.50 1016.00 1067.00 678.50 540.00 312.50 61.50 184.50 305.50 705.00 939.50 1085.00 8283.50
1981 1121.50 1123.50 932.50 679.14 a 557.00 270.00 102.00 51.50 308.00 756.00 908.00 1230.50 8039.64
1982 1423.33 b 1261.50 1033.50 922.00 619.50 286.50 126.50 72.00 390.00 815.50 1134.50 1379.50 9464.33
1983 1167.50 1062.50 979.50 871.50 586.50 314.00 144.50 66.00 319.50 610.50 1029.00 1499.00 8650.00
1984 1432.00 1240.00 1069.00 858.50 485.00 366.00 76.00 82.50 409.50 860.00 1051.50 1446.15 a 9376.15
1985 1547.42 a 1373.00 1161.00 670.50 446.00 265.00 21.50 164.50 526.00 735.00 0.00 z 1494.00 8403.92
1986 1228.50 992.50 794.00 759.00 531.00 155.00 132.50 86.00 522.00 687.00 1046.50 1303.50 8237.50
1987 1441.00 1083.19 a 982.00 554.00 404.00 225.00 139.50 192.50 335.00 617.00 1027.00 1359.50 8359.69
1988 1525.00 1194.50 1114.00 641.00 486.00 148.00 72.00 100.00 409.50 484.50 1064.50 1415.50 8654.50
1989 1474.50 1293.00 975.50 646.50 513.50 285.50 43.00 182.50 352.50 694.00 985.00 1370.00 8815.50
1990 1299.50 1187.00 933.00 620.00 593.00 285.50 75.00 106.00 189.00 692.00 978.50 1684.50 8643.00
1991 1446.00 949.50 1001.00 807.50 588.50 293.00 71.00 45.50 361.50 741.50 1155.50 1334.50 8795.00
1992 1336.50 985.00 829.50 577.50 374.50 245.50 175.50 149.50 374.50 596.50 1212.00 1492.50 8349.00
1993 1452.50 1281.50 1038.00 816.00 421.50 393.50 337.00 241.28 a 431.00 739.00 1239.50 1373.50 9764.28
1994 1172.00 1179.50 935.00 693.00 404.00 252.00 115.50 0.00 z 226.00 742.00 1250.00 1279.50 8248.50
1995 1268.93 a 913.50 1034.50 803.00 601.50 384.50 154.50 114.00 330.50 764.50 857.50 1191.00 8417.93
1996 1365.00 1132.00 1025.00 747.50 558.50 0.00 z 71.00 150.00 429.00 730.00 967.00 1271.50 8446.50
1997 1379.00 1228.50 1003.00 832.50 414.50 233.50 146.50 123.50 0.00 z 0.00 z 1022.50 1426.00 7809.50
1998 1176.00 1092.00 a 1074.00 786.00 0.00 z 435.50 0.00 z 68.50 232.00 715.00 967.50 1400.00 7946.50
1999 1209.00 1095.00 1006.50 828.00 595.00 299.50 0.00 z 83.38 b 435.00 588.00 802.76 a 1316.00 8258.14
2000 1275.50 1039.00 1068.00 627.50 270.00 m 315.00 43.00 28.00 322.24 a 654.00 1310.50 1355.22 a 8037.96
2001 1464.00 1207.50 966.50 722.50 396.50 230.00 22.73 a 5.50 185.50 623.00 874.00 1446.50 8144.23
2002 1391.50 1301.00 1176.00 705.50 495.00 224.50 10.50 117.00 292.50 789.00 1061.50 1182.00 8746.00
2003 1082.50 1191.50 915.50 730.50 467.50 219.00 7.50 35.50 322.50 529.00 1160.00 1204.00 7865.00
2004 1405.50 1246.50 866.50 652.00 507.00 232.50 46.00 126.00 357.00 657.50 1010.50 1203.50 8310.50
2005 1180.50 1120.50 983.00 736.50 506.50 257.50 37.50 73.50 319.50 645.50 976.50 1344.00 8181.00
2006 1300.50 1275.00 1140.50 688.00 432.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4836.50
Period of Record Statistics
MEAN 1357.09 1142.28 1041.36 748.41 508.92 274.14 85.53 118.31 354.43 679.41 1026.99 1334.01 8644.38
S.D. 131.40 115.82 110.01 92.48 69.31 65.60 58.53 64.19 96.08 92.92 109.35 120.96 414.75
SKEW 0.09 0.06 0.00 0.04 -0.07 -0.13 1.88 0.26 0.17 -0.12 0.46 0.26 0.63
MAX 1705.50 1437.50 1286.00 960.00 653.58 435.50 337.00 253.00 540.00 860.00 1310.50 1684.50 9764.28
MIN 1082.50 887.50 794.00 554.00 374.50 117.93 7.50 5.50 185.50 474.00 802.76 1085.00 7865.00
NO YRS 46 46 45 44 45 45 44 44 45 43 45 45 33