HAMER 4 NW, IDAHO

Monthly Total Heating Degree Days

(103964)

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 0.00 z 0.00 z 172.50 x 1169.50 1591.50 2761.00
1949 1869.30 a 1395.50 949.50 519.83 a 288.50 153.50 19.24 b 4.00 192.32 b 770.02 c 861.50 1474.50 8497.71
1950 1597.53 a 1122.50 1004.50 686.25 b 538.48 d 0.00 z 8.50 j 0.00 z 298.45 a 505.50 992.50 1180.50 7926.21
1951 1478.00 1127.50 1136.50 608.00 361.00 265.50 34.10 a 83.70 a 282.00 701.63 a 1093.00 1572.00 8742.93
1952 1576.50 1556.16 a 1310.00 644.00 330.50 141.50 63.50 42.00 173.50 547.15 a 1207.00 1379.00 8970.81
1953 1100.00 1135.62 b 957.50 760.00 547.50 203.00 6.50 30.50 186.00 544.00 886.00 1448.00 7804.62
1954 1282.00 947.00 1046.50 562.50 308.50 233.79 a 24.00 79.00 252.50 707.00 881.00 1538.12 a 7861.91
1955 1747.50 1406.50 1297.00 758.00 419.00 214.00 63.00 13.00 290.50 625.00 1140.50 1245.00 9219.00
1956 1233.50 1525.50 1050.00 606.00 295.50 127.00 24.50 101.00 232.50 645.50 1211.00 1427.07 b 8479.07
1957 1789.50 1198.50 936.50 679.50 358.00 144.00 5.00 22.50 228.00 618.00 1163.50 1297.00 8440.00
1958 1438.50 972.50 1011.50 319.00 r 190.00 85.50 26.00 11.00 263.00 539.00 1023.50 1205.00 6765.50
1959 1385.50 1139.50 1003.00 604.50 477.00 83.00 24.00 38.50 283.00 590.50 1126.00 1357.00 8111.50
1960 1592.00 1446.50 1119.50 578.00 401.50 67.50 0.00 99.00 156.50 620.50 984.50 1395.50 8461.00
1961 1503.50 d 925.00 922.00 525.00 f 313.62 a 38.00 0.00 a 4.65 a 379.50 656.68 a 1041.50 1448.00 7232.45
1962 1734.28 d 1152.67 a 1167.84 b 373.50 i 393.70 a 128.28 a 25.00 76.50 185.50 545.08 a 900.00 1252.00 7560.85
1963 904.50 n 448.50 n 932.50 721.00 304.50 176.54 d 4.17 e 28.00 127.50 d 290.50 p 941.00 1528.00 4763.21
1964 1653.00 1619.50 1410.50 740.50 423.67 a 206.38 a 2.50 96.00 322.00 597.50 1050.50 1304.00 9426.05
1965 1342.00 1203.50 1135.50 590.00 478.50 168.50 14.50 94.00 472.00 545.00 832.50 1299.00 8175.00
1966 1361.50 1241.00 978.50 662.07 a 270.50 177.50 12.00 58.50 151.50 726.43 a 947.00 1381.00 7967.50
1967 1341.50 1121.00 947.50 752.00 387.00 180.50 5.00 2.00 129.00 608.00 992.50 1594.00 8060.00
1968 1668.50 1128.00 830.50 748.50 421.50 156.00 15.50 153.00 283.50 651.00 1073.00 1464.00 8593.00
1969 1342.50 1140.50 1203.00 575.00 245.50 176.00 14.00 15.50 194.00 759.00 1036.00 1287.50 7988.50
1970 1347.50 937.00 1015.25 a 836.38 a 361.00 136.61 b 18.00 5.00 373.33 c 790.00 950.50 1473.50 8244.07
1971 1462.50 1248.00 1164.57 a 680.89 b 348.75 a 189.50 37.00 22.22 a 438.00 721.50 1091.00 1657.00 9060.93
1972 1615.50 1239.00 826.50 695.00 364.25 a 109.00 42.07 c 20.27 e 313.50 g 582.00 1001.00 1651.50 8146.09
1973 1660.00 1311.50 1159.92 a 773.79 a 379.50 186.50 26.57 c 42.50 297.12 d 0.00 z 974.00 1336.00 8147.40
1974 1525.00 1206.00 978.50 642.50 482.71 c 112.24 a 18.08 a 93.00 a 296.00 592.50 977.14 b 1438.00 8361.68
1975 1730.50 1362.50 1143.00 904.00 532.88 b 234.31 a 17.57 a 0.00 z 310.96 d 761.80 d 1234.44 c 1371.20 c 9603.16
1976 1600.50 1385.50 1265.00 640.50 273.32 a 177.78 c 8.50 g 81.50 f 175.00 g 555.00 i 1068.89 c 1161.00 f 6411.48
1977 1709.00 1022.50 g 1064.52 c 545.17 a 493.86 b 48.21 b 22.14 c 99.20 a 260.00 i 349.50 m 1087.50 b 902.00 i 5069.61
1978 712.00 m 1182.16 c 922.50 633.62 a 441.50 162.50 36.37 e 0.00 z 308.40 e 624.00 846.50 j 1782.00 6093.05
1979 1853.50 1290.07 a 1140.00 733.33 c 326.10 e 146.25 b 10.50 m 50.08 e 184.20 e 427.50 f 1201.07 b 1315.84 c 8240.44
1980 1414.50 1013.00 934.50 563.00 385.00 189.64 b 26.35 a 129.96 e 204.50 h 0.00 z 1074.23 d 1237.13 d 6967.32
1981 1180.98 e 1092.00 856.63 a 573.75 b 374.58 a 167.68 b 31.00 a 8.27 a 143.50 k 0.00 z 0.00 z 1036.00 g 4284.89
1982 1596.00 1297.50 935.50 782.00 443.00 182.00 58.50 32.00 264.00 k 760.50 1169.50 1445.00 8701.50
1983 1375.50 1145.50 931.50 0.00 z 464.00 202.50 73.00 24.00 308.00 609.00 1012.50 1668.00 7813.50
1984 1625.00 1464.50 1145.50 764.50 393.00 248.00 17.50 19.50 405.50 821.50 1090.00 1757.18 a 9751.68
1985 1859.00 1582.52 a 1409.47 a 679.50 348.50 133.00 7.50 150.50 301.50 j 814.50 1367.00 1783.00 10134.49
1986 1561.00 1068.50 800.50 661.50 423.50 71.50 73.50 30.50 468.00 687.00 1092.50 1437.00 8375.00
1987 1613.50 1046.00 928.50 551.00 308.50 120.00 77.00 101.00 146.00 i 597.00 953.00 1337.50 7633.00
1988 1555.00 1194.00 984.50 522.50 345.00 69.50 7.50 20.00 212.00 j 451.00 1092.00 1571.00 7812.00
1989 1714.30 a 1470.50 984.50 549.00 372.50 121.50 6.00 90.00 160.00 l 628.00 1073.00 1472.00 8481.30
1990 1345.50 1237.00 847.50 486.00 420.50 171.50 4.00 50.50 62.50 i 639.50 1046.00 1761.00 8009.00
1991 1666.00 1001.00 889.50 693.50 460.00 171.00 9.50 3.00 252.50 674.50 1172.50 1492.50 8485.50
1992 1509.50 1030.50 759.00 497.50 234.00 114.00 j 89.00 88.50 340.50 587.50 681.00 m 939.50 m 5136.00
1993 1238.00 i 1430.50 1132.50 742.00 330.00 246.50 193.50 122.50 298.00 679.00 1263.62 a 1397.50 7835.62
1994 1299.00 1232.50 854.00 565.50 250.00 114.50 27.00 8.50 150.00 649.50 1241.00 1339.50 7731.00
1995 1298.50 978.44 a 909.00 667.00 461.50 245.00 80.00 53.50 277.50 712.50 946.50 1278.00 7907.44
1996 1546.50 1214.00 914.50 639.50 445.50 122.50 14.00 71.00 361.00 654.00 987.50 1371.00 8341.00
1997 1337.50 1102.00 921.00 733.50 364.00 126.50 70.50 31.00 185.00 689.50 1059.50 1518.50 8138.50
1998 1266.00 1055.50 1035.00 695.50 413.50 303.50 2.50 19.00 127.00 599.50 970.50 1557.00 8044.50
1999 1299.93 a 1135.00 938.00 701.00 463.50 192.00 46.50 24.80 a 333.21 b 591.00 858.75 b 1501.36 b 8085.06
2000 1389.50 994.50 902.50 512.50 331.50 113.50 13.43 a 26.00 278.00 597.00 1317.22 c 1540.50 8016.16
2001 1641.93 b 1258.50 902.10 a 626.00 290.50 162.50 2.77 c 6.00 158.57 b 621.00 872.14 b 1622.00 8164.01
2002 1612.50 1559.00 1199.18 a 601.50 361.50 139.50 1.50 49.50 235.50 759.00 1159.50 1187.00 8865.18
2003 1187.50 1111.50 831.00 617.50 389.50 152.00 1.50 8.35 e 243.00 476.50 1173.50 950.50 f 6191.85
2004 1584.50 1240.50 837.00 538.50 384.50 125.00 20.50 68.50 288.00 547.50 996.50 1218.00 7849.00
2005 1428.00 1202.00 924.50 608.50 371.00 206.50 5.00 37.00 263.50 582.50 1005.00 1507.00 8140.50
2006 1346.00 1422.00 1023.50 580.00 327.50 8.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4699.00
Period of Record Statistics
MEAN 1505.34 1218.65 1013.11 648.76 377.83 158.66 28.88 50.15 266.60 640.06 1056.95 1447.01 8374.54
S.D. 186.34 178.16 149.30 91.41 78.00 55.44 33.04 40.73 87.90 85.58 121.11 157.47 485.06
SKEW -0.01 0.47 0.80 0.37 0.03 0.12 2.64 0.79 0.39 0.20 0.32 0.35 1.10
MAX 1869.30 1619.50 1410.50 904.00 547.50 303.50 193.50 153.00 472.00 821.50 1367.00 1783.00 9751.68
MIN 1100.00 925.00 759.00 486.00 190.00 38.00 0.00 2.00 127.00 451.00 832.50 1180.50 7731.00
NO YRS 55 56 58 54 58 55 54 53 46 50 55 53 33