PARKWAY 6 S CRYSTAL CRE, WASHINGTON

Monthly Total Heating Degree Days

(456385)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 196607
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1029.00 1287.00 2316.00
1949 1422.00 1096.00 957.00 742.00 522.00 439.00 312.00 286.00 344.50 808.50 669.00 1150.50 8748.50
1950 1476.00 1021.00 1069.00 874.00 703.00 437.00 224.50 225.50 337.00 784.50 969.00 948.50 9069.00
1951 1214.50 1010.00 1122.50 708.00 646.00 375.50 222.50 275.50 295.86 a 720.50 939.00 1199.00 8728.86
1952 1240.50 1039.50 1059.00 728.00 591.50 510.50 213.00 204.50 272.00 383.00 925.00 1074.00 8240.50
1953 979.00 959.50 1012.00 874.50 688.00 568.00 263.00 253.00 318.50 604.00 845.00 1028.00 8392.50
1954 1200.50 903.50 1090.00 881.50 623.00 547.50 367.50 388.00 469.50 707.50 788.00 1072.50 9039.00
1955 1113.00 1055.00 1179.50 1005.50 782.50 442.50 390.50 296.00 454.50 704.50 1128.50 1179.00 9731.00
1956 1163.00 1171.50 1139.00 779.00 575.00 491.90 a 202.00 276.50 402.93 a 780.50 892.00 1009.00 8882.33
1957 1313.50 964.50 944.47 a 765.00 492.50 360.50 320.50 361.50 230.00 706.00 948.00 1028.50 8434.97
1958 991.50 809.50 1017.50 599.00 h 393.50 272.59 a 88.50 151.50 437.00 565.50 965.50 910.88 a 6603.47
1959 1093.50 1002.00 991.00 752.50 706.50 413.00 177.50 f 327.00 509.00 475.50 j 887.00 1042.50 7724.00
1960 1161.00 1016.00 978.00 800.69 a 691.00 364.00 151.00 330.50 390.50 616.00 946.00 995.00 8439.69
1961 905.50 896.50 959.50 817.00 626.00 231.50 185.50 106.50 491.50 741.00 1000.00 1099.50 8060.00
1962 1138.00 931.50 1034.00 699.00 712.50 424.00 264.50 312.50 334.00 651.00 813.00 988.50 8302.50
1963 1176.00 739.50 994.00 829.50 593.50 429.50 351.00 237.00 263.50 633.50 903.50 978.50 8129.00
1964 1082.00 964.00 1048.00 852.50 667.00 469.00 291.00 372.50 492.00 630.50 974.50 1219.50 9062.50
1965 1081.50 967.00 976.00 782.50 699.00 403.50 205.00 261.50 497.00 564.50 821.50 1112.00 8371.00
1966 1149.50 1012.00 1022.50 763.50 616.00 511.50 327.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5402.00
Period of Record Statistics
MEAN 1161.14 975.47 1032.94 803.22 629.36 427.28 257.59 274.44 384.66 662.56 913.53 1073.47 8642.09
S.D. 143.24 99.26 66.65 77.63 93.09 87.06 81.67 75.28 92.26 106.47 102.79 101.62 453.34
SKEW 0.50 -0.52 0.67 0.92 -0.85 -0.54 -0.19 -0.55 -0.11 -0.95 -0.33 0.45 0.82
MAX 1476.00 1171.50 1179.50 1005.50 782.50 568.00 390.50 388.00 509.00 808.50 1128.50 1287.00 9731.00
MIN 905.50 739.50 944.47 699.00 393.50 231.50 88.50 106.50 230.00 383.00 669.00 910.88 8060.00
NO YRS 18 18 18 17 18 18 17 17 17 16 18 18 15