WINCHESTER 1 SE, IDAHO

Monthly Total Heating Degree Days

(109840)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196504
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
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 69.50 262.50 581.50 663.00 871.50 2448.00
1940 1099.50 894.50 793.08 a 617.50 355.50 165.50 64.50 82.00 220.00 492.50 1009.50 1001.00 6795.08
1941 959.50 808.00 744.00 601.00 458.00 285.00 34.00 124.00 479.50 632.00 795.50 1085.00 7005.50
1942 1173.19 b 1059.15 b 940.16 b 591.21 a 555.50 406.50 68.00 114.50 279.50 538.50 943.20 e 1065.00 7734.41
1943 1329.50 898.50 1053.48 a 597.50 629.50 420.00 107.00 158.50 215.50 538.00 810.00 1113.00 7870.48
1944 1112.00 1077.50 1071.50 671.50 444.50 311.50 110.50 152.50 244.00 408.50 968.00 1152.50 7724.50
1945 1124.00 952.00 1016.00 793.50 490.00 338.50 60.50 61.50 385.50 506.50 934.00 1129.00 7791.00
1946 1128.00 982.00 886.00 623.50 466.00 334.50 94.00 94.50 356.00 802.00 925.00 1025.50 7717.00
1947 1241.50 888.00 818.00 670.50 351.50 333.00 74.00 133.00 287.07 a 557.50 951.50 1040.00 7345.57
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 176.00 340.00 606.00 986.50 1348.00 3456.50
1949 1689.50 1098.50 922.00 581.00 373.50 281.00 165.16 b 107.50 267.00 763.67 e 663.00 1103.71 b 8015.54
1950 1567.00 956.00 999.00 751.00 539.00 303.00 111.50 72.00 321.00 576.00 900.00 903.13 a 7998.63
1951 1275.50 1016.00 1081.00 670.00 489.00 359.00 85.77 a 162.00 290.00 698.61 c 929.50 1241.50 8297.87
1952 1243.00 1026.00 1075.50 554.00 470.50 318.50 94.50 122.50 236.00 433.50 1001.00 1068.00 7643.00
1953 882.00 924.00 887.50 722.59 a 580.00 418.50 93.00 119.50 218.50 415.50 h 772.00 1003.00 6620.59
1954 1121.17 a 768.50 1015.00 720.50 436.00 414.31 a 120.50 227.00 333.50 663.50 718.50 1102.50 7640.98
1955 1196.50 1100.00 1206.50 897.69 d 640.67 a 282.50 196.50 99.50 344.00 583.50 1127.50 1199.59 c 8874.45
1956 1157.50 1205.50 1042.00 632.50 441.50 332.00 83.50 153.00 284.50 666.50 920.50 1012.00 7931.00
1957 1497.50 982.50 652.00 i 713.50 407.00 262.00 115.50 166.50 213.00 652.50 757.00 g 986.00 5996.00
1958 1045.50 771.00 1011.12 a 757.00 275.50 208.00 59.50 33.50 326.00 502.50 914.00 923.00 6826.62
1959 1075.50 1023.00 940.00 675.00 607.00 263.00 108.00 163.50 385.86 a 630.50 926.50 1023.00 7820.86
1960 1253.50 1110.00 906.00 684.50 589.00 244.50 46.00 182.00 261.50 583.50 897.00 1114.00 7871.50
1961 1002.50 832.00 887.50 712.50 513.00 158.00 44.50 25.50 417.00 656.50 955.50 1178.00 7382.50
1962 1220.50 959.00 1002.50 567.00 604.50 287.00 158.00 143.50 243.00 562.50 825.50 1028.00 7601.00
1963 1397.00 736.50 900.00 743.00 459.00 273.50 142.00 116.50 118.50 479.00 827.00 1062.00 7254.00
1964 1142.50 1022.00 1026.50 772.50 536.50 305.00 88.00 167.50 371.50 480.00 901.00 1181.62 a 7994.62
1965 1071.50 898.50 1045.50 629.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3645.00
Period of Record Statistics
MEAN 1200.21 959.55 969.58 678.00 488.01 304.35 96.85 124.13 296.17 583.81 890.59 1075.37 7688.00
S.D. 185.48 119.33 105.85 81.88 95.59 70.88 39.95 48.10 77.54 96.33 109.35 105.61 470.65
SKEW 0.92 -0.10 -0.15 0.62 -0.25 -0.18 0.67 -0.21 0.18 0.32 -0.44 0.36 0.09
MAX 1689.50 1205.50 1206.50 897.69 640.67 420.00 196.50 227.00 479.50 802.00 1127.50 1348.00 8874.45
MIN 882.00 736.50 744.00 554.00 275.50 158.00 34.00 25.50 118.50 408.50 663.00 871.50 6795.08
NO YRS 25 25 24 25 24 24 24 26 26 25 25 26 22