JOHN DAY DAM, WASHINGTON

Monthly Total Heating Degree Days

(454035)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197208
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
1958 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 558.50 i 0.00
1959 812.89 d 693.00 560.00 328.50 227.00 32.50 8.50 1.00 75.00 303.44 e 718.93 b 872.50 4633.26
1960 1171.50 714.00 638.50 342.00 242.50 29.50 3.50 24.50 34.29 b 252.50 598.85 d 991.00 5042.63
1961 884.03 b 552.00 541.00 398.50 200.50 11.67 c 0.50 0.00 83.50 348.00 784.50 859.00 4663.20
1962 936.72 a 719.92 b 673.00 287.00 300.00 59.50 19.50 8.00 49.82 b 305.00 551.50 776.00 4685.96
1963 1055.00 666.00 566.00 449.00 191.50 67.00 3.50 5.00 25.50 229.50 546.50 935.68 a 4740.18
1964 755.00 611.00 587.00 390.00 227.50 56.00 0.00 11.50 49.50 279.00 675.50 976.00 4618.00
1965 846.50 582.00 583.00 269.50 182.38 a 43.00 0.00 a 3.50 60.50 170.00 510.00 834.50 4084.88
1966 828.50 635.50 560.00 274.00 147.50 76.50 16.50 0.00 17.50 255.50 520.50 716.50 4048.50
1967 636.50 537.00 559.00 430.50 131.00 15.00 0.00 0.00 7.00 245.00 570.50 784.50 3916.00
1968 822.50 623.50 453.00 387.00 0.00 z 33.62 a 0.00 5.00 29.50 336.00 563.00 869.50 4122.62
1969 1215.00 791.00 565.00 360.00 a 94.00 17.59 a 7.15 e 3.10 a 18.00 330.50 521.50 0.00 z 3922.84
1970 918.50 593.50 555.50 0.00 z 147.00 41.00 7.00 0.00 d 91.50 333.00 0.00 z 0.00 z 2687.00
1971 699.00 619.00 654.50 388.50 159.81 b 64.50 8.50 9.00 86.00 335.50 570.50 778.50 4373.31
1972 881.50 748.50 521.50 450.00 127.50 38.00 3.00 2.50 0.00 z 0.00 z 0.00 z 0.00 z 2772.50
Period of Record Statistics
MEAN 890.22 648.99 572.64 365.73 182.94 41.81 5.55 5.22 48.28 286.38 594.31 853.97 4480.59
S.D. 164.16 75.57 55.65 62.40 56.51 20.39 6.20 6.65 28.92 53.29 86.55 87.65 361.26
SKEW 0.62 0.31 -0.02 -0.25 0.42 0.13 1.09 1.85 0.18 -0.70 1.13 0.17 -0.27
MAX 1215.00 791.00 673.00 450.00 300.00 76.50 19.50 24.50 91.50 348.00 784.50 991.00 5042.63
MIN 636.50 537.00 453.00 269.50 94.00 11.67 0.00 0.00 7.00 170.00 510.00 716.50 3916.00
NO YRS 14 14 14 13 13 14 14 14 13 13 12 11 10