SUN VALLEY, IDAHO

Monthly Total Heating Degree Days

(108906)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 197212
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 249.50 408.00 709.00 1231.00 1695.50 4293.00
1949 1957.00 1347.00 1114.00 728.00 476.00 364.00 168.50 166.50 356.00 830.50 861.00 1477.50 9846.00
1950 1732.00 1276.00 1277.00 858.10 a 655.50 396.00 161.50 205.00 391.00 630.00 990.00 1269.00 9841.10
1951 1630.50 1246.50 1360.00 763.50 542.00 471.50 163.00 245.50 418.45 a 803.00 1193.00 1676.00 10512.95
1952 1715.50 1505.00 1407.00 842.00 521.50 337.00 200.00 193.00 338.50 610.50 1276.50 1526.00 10472.50
1953 1250.00 1240.50 1165.50 860.69 a 698.03 b 446.50 138.50 208.00 345.52 a 636.61 c 950.00 1387.00 9326.85
1954 1405.00 1160.00 1255.50 749.48 a 426.00 f 466.00 154.50 254.00 444.00 805.00 914.00 1461.00 9068.48
1955 1644.00 1360.00 1371.00 937.50 640.50 368.50 199.00 135.50 507.00 740.00 1173.50 1345.50 10422.00
1956 1482.32 a 1496.50 1293.50 793.00 535.50 387.50 170.50 274.00 431.00 817.50 1232.50 1432.00 10345.82
1957 1772.50 1212.50 1173.00 840.50 563.00 375.00 198.50 239.00 393.00 752.00 1223.50 1385.50 10128.00
1958 1528.00 1154.50 1293.00 981.00 430.50 341.50 218.50 129.00 433.45 a 705.00 1098.00 1194.50 9506.95
1959 1419.50 1315.00 1254.00 785.00 720.50 314.50 154.00 269.50 508.00 688.00 1054.50 1368.50 9851.00
1960 1649.00 1531.00 1239.50 808.50 664.50 315.00 94.00 271.00 361.50 758.50 1164.00 1544.00 10400.50
1961 1508.00 1132.00 1199.50 822.00 581.50 218.00 111.50 67.50 532.50 793.50 1131.00 1607.00 9704.00
1962 1616.00 1281.50 1375.00 760.00 637.50 359.50 219.00 282.00 421.50 635.50 951.50 1305.00 9844.00
1963 1514.50 972.50 1100.50 885.50 539.00 434.50 246.00 187.00 286.00 619.50 1100.50 1470.50 9356.00
1964 1632.50 1429.50 1424.00 889.00 596.00 435.00 149.50 271.00 509.00 674.50 1165.00 1470.50 10645.50
1965 1432.00 1301.50 1370.50 801.00 672.50 374.00 210.50 264.00 598.00 633.50 989.00 1420.50 10067.00
1966 1560.50 1381.00 1253.00 825.00 508.50 380.00 146.00 166.00 294.00 783.00 987.50 1505.50 9790.00
1967 1416.00 1268.50 1192.00 1015.50 570.00 351.72 a 74.50 61.48 a 244.50 690.50 976.50 1509.50 9370.71
1968 1514.00 1161.00 1013.00 898.00 604.00 324.50 94.50 268.00 385.00 710.00 1051.50 1428.50 9452.00
1969 1439.50 1332.00 1329.00 766.50 413.50 338.00 119.50 93.00 325.50 843.00 982.00 1347.00 9328.50
1970 1399.50 1135.00 1143.50 932.50 524.00 289.50 76.00 63.00 493.50 844.00 1006.00 1535.50 9442.00
1971 1425.00 1208.00 1267.00 866.50 517.50 378.50 130.00 47.00 535.00 725.00 1087.50 1574.50 9761.50
1972 1463.00 1242.50 985.50 881.00 514.00 276.50 140.50 120.50 484.00 667.50 1040.00 1488.50 9303.50
Period of Record Statistics
MEAN 1546.08 1278.73 1243.98 845.41 570.68 364.28 155.75 189.20 417.76 724.20 1073.18 1456.98 9857.32
S.D. 153.09 132.54 117.84 73.93 81.79 60.46 46.78 79.15 88.33 75.59 112.92 118.86 439.68
SKEW 0.67 0.05 -0.48 0.50 0.02 -0.20 -0.01 -0.48 0.03 0.10 0.09 -0.04 0.32
MAX 1957.00 1531.00 1424.00 1015.50 720.50 471.50 246.00 282.00 598.00 844.00 1276.50 1695.50 10645.50
MIN 1250.00 972.50 985.50 728.00 413.50 218.00 74.50 47.00 244.50 610.50 861.00 1194.50 9303.50
NO YRS 24 24 24 24 23 24 24 25 25 25 25 25 23