WALLACE, IDAHO

Monthly Total Heating Degree Days

(109493)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 196205
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
1907 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 1085.00 1085.00
1908 1144.00 990.00 943.50 627.50 541.00 316.67 c 73.00 139.50 304.50 678.50 858.00 1190.00 7806.17
1909 1359.02 c 917.50 887.50 777.00 561.50 252.93 a 160.50 134.50 238.50 612.00 836.00 1256.50 7993.45
1910 1216.50 1151.00 743.00 495.50 316.50 196.00 40.00 183.50 282.50 535.00 843.75 b 1051.50 7054.75
1911 1161.50 1081.00 796.00 654.50 488.00 179.50 84.00 135.00 383.00 669.50 995.50 1129.50 7757.00
1912 1184.00 945.50 976.00 609.50 389.00 176.50 144.50 177.00 434.50 714.50 841.00 1114.50 7706.50
1913 1314.00 1203.00 1032.50 648.50 409.50 171.00 136.00 94.00 301.50 0.00 z 0.00 z 0.00 z 5310.00
1914 404.50 s 0.00 z 0.00 z 0.00 z 0.00 z 242.00 18.00 0.00 z 327.41 a 500.50 782.50 1352.93 c 3223.34
1915 0.00 z 823.85 b 678.50 422.00 404.07 b 242.14 b 103.00 2.50 320.89 b 493.00 915.00 1089.50 5494.45
1916 1492.00 939.50 827.50 593.79 a 534.50 260.50 106.50 84.00 278.50 650.50 1011.00 1279.50 8057.79
1917 1241.50 977.50 1088.00 704.00 418.50 241.03 a 29.00 34.00 161.00 644.50 777.00 921.00 7237.03
1918 1079.50 995.50 830.50 589.50 466.50 115.50 66.00 151.00 142.50 b 496.50 930.00 1118.00 6981.00
1919 1115.50 992.50 919.50 539.50 382.00 224.50 52.50 41.00 255.00 748.50 1009.50 1319.50 7599.50
1920 1124.00 979.50 932.00 719.00 513.57 a 292.00 53.50 104.00 303.00 662.50 906.00 1069.50 7658.57
1921 1100.00 920.00 853.50 660.50 320.50 109.50 56.32 a 41.50 413.50 469.50 858.00 1148.55 a 6951.37
1922 1338.68 a 1085.50 930.00 685.50 428.00 57.00 22.00 51.50 167.50 450.00 971.00 1258.50 7445.18
1923 1035.00 1052.00 903.00 583.50 399.00 209.00 26.00 49.00 169.00 510.50 807.00 1102.00 6845.00
1924 1261.00 807.00 876.50 608.00 214.50 180.50 64.00 92.00 240.50 529.50 933.50 1283.50 7090.50
1925 1032.00 778.50 828.50 513.00 257.50 182.59 a 10.50 76.97 b 239.50 726.50 881.00 963.50 6490.05
1926 1137.50 795.50 781.00 417.50 399.50 187.50 20.50 66.00 473.00 575.50 806.00 1104.50 6764.00
1927 1134.00 935.50 879.50 661.50 510.50 169.00 53.00 69.00 307.50 575.00 790.50 1291.50 7376.50
1928 1086.50 956.00 768.00 666.00 224.75 a 199.00 50.50 66.13 a 199.50 542.00 839.00 1127.50 6724.88
1929 1464.00 1167.00 820.00 668.50 375.00 211.50 43.00 18.00 354.50 469.50 929.00 941.50 7461.50
1930 1518.00 779.50 779.50 387.00 388.50 208.00 20.31 b 22.00 173.00 627.00 903.00 1216.00 7021.81
1931 989.00 875.00 806.50 542.00 202.00 h 142.78 c 36.50 i 40.30 a 284.00 567.50 1027.24 a 1129.50 6403.82
1932 1195.50 1049.00 918.00 557.50 359.50 180.00 d 72.33 a 87.00 215.50 520.28 a 548.50 h 1251.50 6406.12
1933 1123.50 1147.50 856.52 d 390.00 j 338.00 j 101.50 k 14.50 n 34.00 h 203.00 k 379.00 g 0.00 z 563.50 l 3127.52
1934 919.48 c 715.50 584.50 256.50 147.00 65.50 0.00 z 16.05 c 327.50 483.50 677.50 1018.00 5211.04
1935 1088.00 873.00 957.00 689.50 392.50 178.00 73.50 87.00 146.50 594.00 991.50 1074.00 7144.50
1936 1076.00 1362.50 899.50 538.00 221.50 130.00 10.50 g 48.50 261.43 b 474.00 968.50 1023.00 7002.93
1937 1671.50 1025.00 796.50 659.00 328.50 180.00 31.50 102.00 183.50 441.50 793.50 1018.00 7230.50
1938 1131.00 885.00 861.50 546.00 374.50 91.00 28.00 63.00 106.00 484.50 998.50 1055.50 6624.50
1939 991.50 1060.00 790.50 468.50 294.00 266.00 52.00 13.00 203.00 544.50 780.50 925.00 6388.50
1940 1134.50 847.50 683.50 502.00 228.50 101.38 a 23.50 26.50 142.50 426.00 1025.00 990.50 6131.38
1941 1030.50 748.50 635.00 435.52 a 339.50 177.00 2.50 61.48 a 368.00 587.50 789.50 1036.50 6211.50
1942 1261.50 963.00 849.50 486.00 449.50 311.00 44.50 97.00 219.50 543.00 932.00 1041.50 7198.00
1943 1322.00 886.50 1015.00 542.50 530.50 339.00 94.00 123.50 208.50 521.50 863.50 1163.00 7609.50
1944 1097.00 950.50 639.50 j 566.50 345.00 207.00 78.00 120.00 236.00 393.00 912.41 a 1199.50 6104.91
1945 1048.50 890.00 902.50 707.00 390.00 288.00 48.50 56.00 388.50 533.50 934.00 1114.50 7301.00
1946 1072.00 914.50 804.00 575.00 380.00 256.50 60.00 80.00 322.76 a 795.27 e 967.00 1056.00 7283.03
1947 1253.50 894.50 783.00 579.60 e 296.00 291.00 51.00 125.00 300.00 440.00 g 949.00 1041.50 6564.10
1948 1212.50 1050.50 971.00 690.50 393.00 130.50 148.00 118.46 c 311.79 b 646.50 974.00 1313.50 7960.25
1949 1655.50 1069.00 898.00 529.50 308.45 a 227.00 98.50 80.50 254.50 754.00 753.62 a 1188.33 a 7816.90
1950 1565.50 a 970.00 976.00 702.00 498.00 248.00 67.00 52.00 273.50 608.50 891.00 946.50 7798.00
1951 1211.50 957.00 1023.50 605.00 433.50 301.55 a 75.00 96.00 297.50 665.00 918.00 1250.00 7833.55
1952 1245.00 998.00 969.78 a 517.00 372.50 247.00 89.50 119.00 196.50 482.00 976.00 1082.00 7294.28
1953 868.50 886.50 853.50 668.50 475.50 338.50 92.50 99.20 a 231.50 514.00 765.00 993.00 6786.20
1954 1170.00 847.00 963.50 701.50 428.00 320.50 96.50 166.50 346.00 668.50 706.50 1085.00 7499.50
1955 1171.50 1046.00 1115.00 780.50 538.50 227.00 150.50 94.50 321.50 615.50 1094.50 1153.00 8308.00
1956 1107.00 1176.00 1014.00 581.00 328.00 230.00 78.57 b 132.00 290.00 646.00 963.10 a 1055.00 7600.67
1957 1465.50 1007.00 912.50 618.62 a 291.50 212.00 101.30 c 119.72 b 204.81 d 658.00 944.50 994.58 a 7530.04
1958 1059.00 765.50 885.00 646.00 215.00 148.50 51.50 46.00 334.50 572.50 893.50 979.00 6596.00
1959 1095.50 993.50 899.50 630.00 546.50 232.50 108.00 205.00 384.00 627.00 1011.00 1086.00 7818.50
1960 1259.50 1060.00 934.00 675.00 495.00 225.50 29.00 201.00 261.00 584.00 894.00 1142.50 7760.50
1961 1040.00 807.50 860.50 680.17 a 439.50 109.50 26.00 16.50 377.50 646.50 979.50 1160.00 7143.17
1962 1293.00 957.50 992.50 583.00 486.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4312.00
Period of Record Statistics
MEAN 1195.52 962.06 877.08 594.16 389.77 208.04 66.08 87.02 272.98 578.00 897.98 1112.83 7292.97
S.D. 173.87 127.53 106.72 101.61 100.46 68.50 38.90 49.93 81.88 92.38 91.86 109.56 517.53
SKEW 0.95 0.49 -0.34 -0.79 -0.28 -0.12 0.66 0.46 0.16 0.23 -0.32 0.32 -0.36
MAX 1671.50 1362.50 1115.00 780.50 561.50 339.00 160.50 205.00 473.00 795.27 1094.50 1352.93 8308.00
MIN 868.50 715.50 584.50 256.50 147.00 57.00 2.50 2.50 106.00 393.00 677.50 921.00 6131.38
NO YRS 53 54 53 53 52 53 50 52 53 51 51 53 44