RICHFIELD, IDAHO

Monthly Total Heating Degree Days

(107673)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 70.50 244.00 618.50 0.00 z 985.50 n 933.00
1949 2164.50 1378.50 0.00 z 0.00 z 0.00 z 0.00 z 44.50 h 22.00 j 116.00 n 0.00 z 0.00 z 0.00 z 3543.00
1950 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 27.38 a 256.00 466.00 827.00 1057.50 2633.88
1951 1432.50 1077.00 1134.00 534.00 329.00 246.00 25.50 69.50 222.00 641.50 952.76 a 1400.00 8063.76
1952 1523.00 1346.00 1202.50 528.50 294.50 128.50 19.00 27.00 127.50 388.50 1069.50 1192.00 7846.50
1953 994.00 925.50 830.50 663.50 491.00 213.00 7.00 31.50 143.50 454.00 757.00 1243.00 6753.50
1954 1167.50 861.00 926.00 554.50 265.00 232.00 13.50 66.50 213.00 582.50 746.00 1254.50 6882.00
1955 1532.00 1258.50 1114.00 718.50 427.00 138.00 75.50 6.00 265.50 519.00 1052.00 1174.50 8280.50
1956 1149.50 1355.50 957.50 543.50 292.50 132.00 26.00 68.50 177.50 588.00 974.50 1174.50 7439.50
1957 1518.50 1064.50 826.00 626.00 329.00 154.50 7.50 35.50 176.50 573.00 1025.50 1123.50 7460.00
1958 1296.50 896.00 a 912.00 681.00 189.00 141.50 14.50 12.00 248.50 461.50 912.50 983.50 6748.50
1959 1157.50 1023.50 892.00 551.00 512.50 100.00 28.50 71.50 310.50 589.50 917.00 1197.00 7350.50
1960 1406.00 1301.00 927.00 567.00 405.50 72.00 5.50 103.00 149.50 573.00 891.50 1196.00 7597.00
1961 1176.50 877.00 843.50 651.50 338.00 37.00 2.50 0.00 321.00 604.50 969.00 1318.50 7139.00
1962 1520.50 1038.00 1038.50 482.00 417.50 155.50 32.00 63.50 150.00 513.00 807.00 1073.50 7291.00
1963 1424.50 748.00 869.00 703.00 294.50 239.00 17.50 32.00 94.50 397.50 896.50 1362.00 7078.00
1964 1468.00 1452.50 1284.00 697.50 393.50 205.00 6.72 a 89.50 311.00 479.00 999.00 1164.00 8549.72
1965 1146.50 955.00 971.00 553.50 467.00 184.00 20.50 74.00 403.00 434.50 742.50 1170.00 7121.50
1966 1283.00 1126.50 875.00 599.50 267.50 171.00 12.00 40.00 121.00 592.00 808.00 1230.00 7125.50
1967 1131.00 916.50 869.50 716.50 385.00 172.50 0.00 5.00 99.00 549.50 844.50 1503.00 7192.00
1968 1377.00 998.50 758.00 713.00 400.50 143.50 7.50 161.00 241.00 569.00 923.00 1308.00 7600.00
1969 1286.00 1150.50 1241.00 560.50 245.00 152.50 26.50 25.50 143.00 714.00 883.00 1187.50 7615.00
1970 1201.50 852.00 902.00 788.50 379.00 160.00 13.50 5.00 343.50 672.00 855.00 1264.00 7436.00
1971 1298.50 1022.50 991.50 626.00 336.50 187.00 32.50 5.50 350.00 629.00 956.00 1408.50 7843.50
1972 1374.00 1129.50 762.00 676.50 327.00 85.50 27.00 14.00 327.00 550.00 895.00 1419.50 7587.00
1973 1369.00 1096.50 933.00 661.50 321.50 144.50 16.50 25.00 231.00 535.50 909.00 1143.50 7386.50
1974 1423.50 1158.50 902.00 599.00 450.00 107.50 27.50 47.00 170.17 a 502.00 866.50 1220.50 7474.17
1975 1411.00 1141.00 1006.50 787.00 488.50 198.50 14.50 87.50 189.83 a 571.50 994.50 1091.50 7981.83
1976 1312.00 1197.00 1167.00 641.00 301.00 209.50 10.00 82.50 160.50 601.00 879.50 1168.50 7729.50
1977 1426.00 946.00 957.50 507.50 474.00 44.50 32.00 68.00 233.50 488.00 954.00 1120.50 7251.50
1978 1162.00 1043.00 760.50 610.00 469.00 143.50 37.50 92.50 287.50 527.50 998.00 1378.00 7509.00
1979 1597.50 1068.00 886.00 659.00 339.00 141.50 12.50 20.00 90.00 458.50 1048.50 1134.50 7455.00
1980 1311.50 955.00 904.00 500.00 382.00 173.50 9.00 77.00 208.00 551.50 912.50 1041.00 7025.00
1981 1037.50 978.00 773.00 551.00 406.00 161.00 19.00 8.00 173.00 650.00 787.50 1078.00 6622.00
1982 1428.50 1182.00 866.50 721.50 423.00 153.50 66.50 14.50 230.50 633.00 1010.00 1283.00 8012.50
1983 1106.00 952.00 800.00 691.00 418.50 167.00 68.00 10.00 224.00 486.50 926.50 1432.50 7282.00
1984 1484.00 1286.50 974.00 652.00 377.50 219.00 16.00 1.00 262.50 674.50 943.50 1502.50 8393.00
1985 1533.00 1375.00 1189.00 530.17 a 276.00 96.50 0.00 60.00 354.00 603.50 1213.00 1652.50 8882.67
1986 1253.50 915.00 658.00 605.50 394.50 71.00 55.50 5.00 357.50 526.50 920.50 1189.00 6951.50
1987 1410.50 910.00 822.50 428.00 246.50 104.00 61.50 63.00 157.50 397.50 835.50 1242.00 6678.50
1988 1376.50 950.00 852.50 485.50 362.00 97.50 16.00 8.50 266.00 302.00 975.00 1356.50 7048.00
1989 1541.00 1336.00 887.50 485.50 406.50 107.50 11.50 82.00 167.50 575.50 917.50 1260.00 7778.00
1990 1171.00 1106.50 755.00 433.00 420.50 183.00 14.50 34.00 42.50 570.50 859.00 1587.50 7177.00
1991 1336.00 749.00 827.50 636.50 444.00 183.50 11.00 2.00 133.50 503.00 995.00 0.00 z 5821.00
1992 1175.50 780.50 629.00 453.50 142.00 73.00 33.00 60.50 213.50 435.50 1055.50 1454.50 6506.00
1993 1508.00 1247.50 990.00 640.50 216.00 233.50 134.50 82.00 213.00 530.50 1126.50 1225.50 8147.50
1994 1162.50 1131.00 748.50 511.00 227.00 125.00 14.50 8.00 93.50 596.50 1189.50 1282.50 7089.50
1995 1209.00 842.00 842.00 622.00 435.50 0.00 z 26.00 38.00 154.50 603.50 800.50 1132.00 6705.00
1996 1255.50 1143.00 811.50 571.00 402.00 91.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4274.50
1997 0.00 z 0.00 z 0.00 z 0.00 z 274.50 124.00 0.00 z 4.50 157.00 607.50 892.00 1266.50 3326.00
1998 1142.50 925.50 888.50 631.50 408.00 258.00 1.00 8.00 136.00 616.50 869.00 1328.50 7213.00
1999 1227.00 1160.00 990.00 692.50 479.50 192.00 52.50 15.50 237.50 526.50 724.50 1243.00 7540.50
2000 1284.00 927.00 855.50 505.50 361.15 a 113.79 a 12.00 14.50 249.83 a 550.00 1117.50 1282.50 7273.27
2001 1392.93 a 1161.50 810.00 671.90 a 288.41 c 158.00 10.50 6.72 a 112.00 531.28 b 783.50 1459.00 7385.73
2002 1405.00 1299.50 1091.00 590.00 409.00 135.00 0.50 45.50 188.50 674.00 933.50 1094.00 7865.50
2003 1106.50 967.50 800.50 629.00 395.00 73.00 h 1.00 2.00 193.50 396.50 1050.50 1098.00 6640.00
2004 1437.50 1222.50 810.00 534.50 364.50 108.50 7.50 51.50 207.00 522.50 909.50 1195.50 7371.00
2005 1324.00 1059.50 821.50 644.50 378.50 234.50 2.00 29.00 273.50 546.00 940.50 1381.00 7634.50
2006 1280.50 1272.00 1024.00 610.86 a 339.50 92.14 b 0.00 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4619.01
Period of Record Statistics
MEAN 1332.66 1075.67 912.01 604.15 362.62 149.92 22.92 40.31 210.83 543.82 928.03 1254.23 7453.28
S.D. 183.99 173.98 140.56 85.57 81.84 52.95 24.00 34.47 79.20 82.72 107.80 142.97 496.86
SKEW 1.48 0.17 0.74 -0.05 -0.46 0.05 2.41 0.92 0.31 -0.51 0.42 0.63 0.58
MAX 2164.50 1452.50 1284.00 788.50 512.50 258.00 134.50 161.00 403.00 714.00 1213.00 1652.50 8882.67
MIN 994.00 748.00 629.00 428.00 142.00 37.00 0.00 0.00 42.50 302.00 724.50 983.50 6506.00
NO YRS 56 56 55 55 56 54 53 56 56 56 55 54 50