LITTLE GOOSE DAM, WASHINGTON

Monthly Total Heating Degree Days

(454702)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197904
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
1963 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 131.00 q 583.50 989.00 1572.50
1964 741.50 729.50 648.00 416.50 206.50 46.50 2.00 20.00 92.00 361.50 706.00 996.00 4966.00
1965 870.00 637.00 b 720.23 a 304.00 184.50 25.50 5.00 19.00 150.00 b 236.00 583.50 865.50 4600.23
1966 832.00 689.04 e 578.50 347.50 103.16 b 54.50 11.50 5.00 18.00 351.00 596.50 744.00 b 4330.70
1967 689.00 612.00 628.00 508.50 217.00 18.00 0.00 0.00 17.68 b 199.00 f 436.50 j 907.55 b 3597.73
1968 828.50 622.50 465.50 427.00 128.50 31.55 a 0.00 14.00 61.50 381.50 652.50 938.50 4551.55
1969 1246.20 a 782.00 609.50 358.50 121.00 17.00 0.00 6.00 41.50 418.50 610.50 876.50 5087.20
1970 958.93 a 635.92 b 645.50 487.00 159.81 b 28.00 0.00 0.00 144.83 a 417.43 b 672.00 859.00 5008.43
1971 765.00 682.00 701.00 426.00 143.24 b 108.00 15.00 0.00 118.00 390.50 637.76 a 852.00 4838.50
1972 910.00 787.50 526.00 467.50 158.00 35.00 0.00 0.00 123.00 325.50 607.00 1039.50 4979.00
1973 1004.00 705.00 528.00 366.50 142.50 42.41 a 3.50 2.00 48.00 299.50 671.50 713.50 4526.41
1974 1042.00 588.50 585.50 357.00 203.50 30.50 8.00 0.00 40.00 295.00 556.50 724.50 4431.00
1975 910.00 809.00 666.00 493.45 a 230.50 50.50 1.00 6.00 48.00 291.50 649.00 811.50 4966.45
1976 807.00 744.50 753.50 450.00 159.50 87.00 2.00 20.50 18.00 340.50 632.00 931.50 4946.00
1977 1171.00 665.00 632.50 298.50 253.50 12.12 d 5.50 1.50 115.00 371.50 670.00 800.00 4996.12
1978 924.50 649.00 523.50 380.00 210.50 18.50 7.50 8.50 68.00 310.50 864.00 1038.50 5003.00
1979 1449.50 763.50 534.50 426.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3174.00
Period of Record Statistics
MEAN 946.82 693.87 609.11 407.15 174.78 40.34 4.07 6.83 73.57 342.17 646.15 880.44 4802.18
S.D. 200.43 68.85 80.46 65.35 44.10 26.72 4.67 7.80 46.55 52.52 72.90 105.09 255.48
SKEW 1.09 0.20 0.04 -0.10 0.12 1.36 1.04 0.80 0.34 -0.26 1.75 -0.04 -0.65
MAX 1449.50 809.00 753.50 508.50 253.50 108.00 15.00 20.50 150.00 418.50 864.00 1039.50 5087.20
MIN 689.00 588.50 465.50 298.50 103.16 12.12 0.00 0.00 17.68 236.00 556.50 713.50 4330.70
NO YRS 16 16 16 16 15 15 15 15 15 14 15 16 14