TIETON INTAKE, WASHINGTON

Monthly Total Heating Degree Days

(458442)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197201
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 117.00 124.00 a 108.50 293.50 534.50 g 915.52 a 29.50 z 1558.52
1949 1056.00 k 1080.15 b 880.00 536.00 292.43 a 218.50 94.00 78.50 206.00 307.50 r 747.50 0.00 z 4133.09
1950 1661.37 d 1055.00 948.00 716.00 460.00 239.50 71.00 48.50 166.50 566.50 880.50 418.50 q 6812.87
1951 1212.44 d 970.00 980.50 563.00 403.50 135.00 53.00 78.50 201.50 600.00 958.97 a 1280.50 7436.91
1952 1398.00 1003.50 901.50 551.50 381.50 231.00 64.50 80.00 143.50 426.54 d 1036.50 847.50 g 6218.04
1953 909.00 846.00 831.32 a 688.00 474.00 339.50 70.00 102.00 220.00 528.50 821.11 c 931.00 6760.43
1954 1248.86 c 948.00 991.50 670.00 416.50 320.50 123.50 167.00 292.50 672.46 e 747.50 1158.00 7756.32
1955 1128.00 960.00 1056.00 777.50 531.50 210.50 172.50 79.50 272.00 592.00 1108.50 1263.50 8151.50
1956 1204.00 1221.00 961.50 559.50 339.00 278.00 58.50 109.00 267.00 686.17 e 1012.50 712.00 j 6696.17
1957 1571.70 a 990.08 c 897.50 592.00 297.50 178.00 127.50 186.50 202.50 710.00 939.00 812.00 g 6692.28
1958 1108.00 784.50 945.50 708.50 258.00 160.50 28.86 b 36.50 304.50 565.50 1001.11 c 1058.59 d 6960.07
1959 1153.50 985.00 886.50 626.00 557.50 232.50 93.50 133.00 333.50 562.50 910.00 1082.13 d 7555.63
1960 1255.50 b 965.29 a 928.00 638.50 507.50 168.50 25.00 146.50 254.50 536.00 940.50 1223.50 7589.29
1961 1138.50 801.50 821.50 b 636.50 474.50 153.50 66.00 21.50 369.00 647.50 1040.69 a 1137.91 b 7308.60
1962 1175.86 b 936.50 950.00 538.50 570.00 239.00 147.50 156.50 239.00 593.81 b 852.00 1000.55 b 7399.22
1963 1268.00 833.84 c 820.35 d 719.50 450.00 249.50 163.50 119.50 153.50 543.00 863.04 b 1211.00 7394.73
1964 1068.00 892.00 886.00 696.00 523.00 283.00 113.00 185.50 359.00 591.00 952.50 1271.50 7820.50
1965 1115.00 830.31 b 880.50 590.00 466.00 212.00 89.00 92.50 330.50 493.33 b 776.50 1152.00 7027.64
1966 1190.50 911.68 c 901.50 589.50 378.00 285.50 113.50 83.50 170.00 581.00 825.50 961.55 c 6991.73
1967 927.50 793.85 a 881.50 786.00 410.00 156.50 32.50 25.50 119.50 577.00 864.50 1114.00 6688.35
1968 1160.00 909.50 744.50 670.00 439.50 231.50 87.00 175.00 234.50 684.50 895.71 b 1243.21 b 7474.92
1969 1521.50 1091.00 876.50 647.00 342.50 117.00 106.50 131.50 269.50 673.00 854.50 1154.00 7784.50
1970 1268.50 839.00 843.00 745.00 408.00 151.50 62.50 61.50 366.50 687.50 916.50 1258.00 7607.50
1971 1061.00 870.00 1003.00 706.00 393.00 328.00 134.00 61.50 462.50 372.50 k 644.00 h 888.50 g 5019.00
1972 380.00 t 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 0.00
Period of Record Statistics
MEAN 1215.67 935.55 905.05 650.02 424.93 218.17 92.54 102.83 259.62 596.09 906.98 1147.11 7394.58
S.D. 186.18 108.87 69.86 75.77 84.48 65.71 41.04 49.40 84.11 72.65 94.05 110.20 399.11
SKEW 0.79 0.70 -0.02 0.08 -0.15 0.19 0.16 0.16 0.38 -0.27 0.17 -0.57 -0.17
MAX 1661.37 1221.00 1056.00 786.00 570.00 339.50 172.50 186.50 462.50 710.00 1108.50 1280.50 8151.50
MIN 909.00 784.50 744.50 536.00 258.00 117.00 25.00 21.50 119.50 426.54 747.50 931.00 6688.35
NO YRS 22 23 23 23 23 24 24 24 24 21 23 17 17