SPRAGUE, WASHINGTON

Monthly Total Heating Degree Days

(457956)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 198208
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 26.50 39.50 38.50 227.00 527.50 864.50 1327.50 3051.00
1949 1728.00 1063.00 740.00 460.50 210.00 118.50 24.50 n 39.00 155.50 669.00 677.00 805.50 g 5860.50
1950 1738.07 a 1028.50 867.50 611.50 375.50 147.93 a 16.50 8.50 158.50 541.00 836.50 928.45 a 7258.45
1951 1141.50 870.50 850.00 499.29 b 289.50 120.50 11.50 57.00 139.50 583.00 865.00 1281.33 a 6708.62
1952 1329.00 961.00 844.00 434.00 265.50 91.00 18.00 52.00 121.50 332.50 963.00 1050.50 6462.00
1953 836.00 817.50 752.50 568.50 380.50 269.50 0.00 z 0.00 z 0.00 z 449.50 725.00 1002.00 5801.00
1954 1225.50 875.50 887.50 632.50 315.17 a 280.50 0.00 z 71.50 0.00 z 0.00 z 0.00 z 1017.00 5305.17
1955 1150.50 983.50 996.00 681.50 435.50 103.00 85.00 35.50 248.00 526.50 1100.00 1154.50 7499.50
1956 1085.50 1225.77 a 827.50 435.50 223.00 145.50 11.00 49.00 198.50 585.38 a 936.00 1050.00 6772.65
1957 1518.50 1012.00 795.67 a 514.50 184.50 119.50 38.00 74.00 146.50 0.00 z 514.50 n 910.50 5313.67
1958 981.00 325.50 m 787.50 456.00 f 153.50 48.00 5.00 12.50 222.50 442.50 812.50 973.00 4438.00
1959 1048.00 885.50 760.50 495.00 416.50 120.50 55.50 103.50 g 267.50 545.00 937.50 1028.50 6560.00
1960 1297.50 924.00 778.00 535.00 415.50 111.00 5.00 101.04 d 170.56 c 475.00 827.00 1132.50 6772.09
1961 1074.50 738.00 724.50 531.00 268.00 42.50 2.50 3.50 283.50 592.50 955.00 1137.50 6353.00
1962 1207.00 837.00 824.50 458.50 390.50 166.50 66.50 53.50 131.00 487.50 752.50 933.50 6308.50
1963 1318.00 719.50 700.50 542.50 286.00 123.00 0.00 z 39.50 59.50 416.00 755.00 1120.00 6079.50
1964 1035.50 914.00 0.00 z 590.50 395.00 111.00 23.00 92.00 300.00 520.50 894.50 1164.50 6040.50
1965 1056.50 0.00 z 815.00 437.50 378.50 94.44 c 47.50 70.50 325.50 407.00 714.50 1051.00 5397.94
1966 1087.50 816.50 744.50 535.50 292.50 202.00 43.00 48.00 112.00 549.00 765.00 960.50 6156.00
1967 965.50 781.00 820.50 639.50 377.50 90.50 19.50 6.50 74.50 531.00 846.00 1135.00 6287.00
1968 1120.50 776.00 650.50 612.00 315.00 133.50 35.00 89.50 200.00 536.00 841.50 1167.00 6476.50
1969 1535.53 a 1032.50 817.50 505.00 236.50 86.00 52.00 68.50 201.50 648.00 831.00 1068.50 7082.53
1970 1167.00 780.00 792.50 664.50 323.00 97.00 30.50 19.93 c 358.00 601.00 864.50 1121.00 6818.93
1971 1046.50 856.00 915.50 586.00 271.50 238.00 49.00 37.50 358.00 662.00 894.50 1234.50 7149.00
1972 1244.50 995.50 720.50 648.50 307.00 132.50 33.00 31.50 353.28 a 539.00 802.00 0.00 z 5807.28
1973 1192.50 836.50 726.50 561.00 289.00 156.00 48.00 73.00 220.00 609.00 946.50 0.00 z 5658.00
1974 1291.00 800.50 790.50 540.00 411.50 101.50 40.41 c 0.00 z 158.00 239.50 p 0.00 z 1000.50 5133.91
1975 1289.50 0.00 z 0.00 z 119.00 x 380.50 192.00 26.50 74.50 154.50 560.00 887.50 1068.00 4633.00
1976 1095.00 942.00 912.50 588.00 336.00 254.50 46.50 109.50 135.00 598.00 889.00 1147.50 7053.50
1977 1357.50 855.50 879.50 498.50 469.00 72.50 74.00 63.50 330.50 632.50 895.34 a 1084.00 7212.34
1978 1098.00 812.00 686.00 571.50 404.00 101.00 33.00 116.00 282.00 571.00 1047.00 1375.50 7097.00
1979 1687.50 996.50 741.50 602.00 291.00 151.00 44.50 15.00 160.00 489.00 1011.50 998.50 7188.00
1980 1384.00 923.50 879.50 451.50 336.00 243.00 76.00 136.50 231.00 544.00 863.28 a 990.00 7058.28
1981 955.50 851.50 693.76 b 591.50 366.50 254.50 81.50 29.00 205.00 620.00 0.00 z 0.00 z 4648.76
1982 0.00 z 779.33 a 588.50 434.50 86.00 6.50 34.58 e 0.00 0.00 z 0.00 z 0.00 z 0.00 z 1929.41
Period of Record Statistics
MEAN 1220.85 893.23 790.97 545.54 319.86 135.75 38.44 53.62 209.01 541.61 866.67 1087.09 6827.05
S.D. 222.85 111.77 85.54 72.46 85.64 69.25 22.48 34.73 82.64 77.95 96.76 115.10 392.68
SKEW 0.85 0.83 0.02 0.00 -0.65 0.52 0.35 0.43 0.31 -0.62 0.26 0.69 -0.21
MAX 1738.07 1225.77 996.00 681.50 469.00 280.50 85.00 136.50 358.00 669.00 1100.00 1375.50 7499.50
MIN 836.00 719.50 588.50 434.00 86.00 6.50 2.50 0.00 59.50 332.50 677.00 910.50 6156.00
NO YRS 33 31 32 32 34 35 31 32 32 31 30 30 19