SATUS PASS 2 SSW, WASHINGTON

Monthly Total Heating Degree Days

(457342)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201301
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
1968 1050.50 785.50 722.00 758.50 512.50 320.50 132.50 223.50 259.50 639.50 835.00 1209.50 7449.00
1969 1421.00 1033.50 849.00 647.50 358.00 151.50 158.00 164.00 298.00 658.50 814.50 1083.50 7637.00
1970 1135.00 809.00 854.00 798.50 473.00 162.50 96.00 99.50 409.50 596.00 849.50 1122.50 7405.00
1971 1014.00 835.00 941.00 691.00 380.00 360.50 131.50 59.00 358.00 604.00 819.50 1114.50 7308.00
1972 1136.00 906.00 751.00 749.00 363.73 a 211.50 100.50 76.47 a 370.00 565.50 790.00 1209.00 7228.70
1973 1173.00 835.00 803.50 637.50 379.50 282.50 116.50 190.50 277.50 625.50 983.00 965.00 7269.00
1974 1274.50 836.00 850.00 633.75 b 529.00 182.00 151.00 134.00 218.50 557.50 825.00 1018.00 7209.25
1975 1110.50 973.00 931.00 784.00 480.00 326.50 83.00 214.00 245.89 b 651.50 904.50 1013.50 7717.39
1976 1024.03 a 985.50 950.00 688.00 470.00 382.50 131.50 185.50 197.00 600.50 781.50 1048.50 7444.53
1977 1230.50 842.00 894.00 520.00 574.00 157.50 171.00 97.00 398.00 605.50 924.50 1050.50 7464.50
1978 1071.00 835.50 740.00 641.50 564.00 208.00 122.50 159.50 378.62 a 556.00 1064.00 1339.50 7680.12
1979 1521.00 924.00 774.00 667.50 441.00 252.50 110.50 94.50 193.45 a 532.34 b 1002.50 1004.00 7517.29
1980 1340.75 a 910.15 c 879.76 b 516.72 a 408.68 a 313.45 a 105.00 212.50 254.00 558.00 a 851.00 939.62 b 7289.64
1981 964.50 865.93 a 761.00 626.50 465.50 305.00 181.00 78.61 c 287.07 a 395.50 m 849.83 a 1105.15 a 6490.08
1982 1180.50 952.50 870.00 755.50 505.82 a 197.50 174.50 144.50 296.00 623.00 985.50 1165.50 7850.82
1983 947.00 800.50 737.00 670.00 394.00 315.50 193.50 100.00 437.50 578.50 835.50 1356.50 7365.50
1984 1057.00 879.00 732.50 713.50 524.00 299.50 109.00 132.00 382.00 0.00 z 953.50 1263.50 7045.50
1985 1322.00 1028.50 0.00 z 617.00 465.00 288.50 33.00 219.07 a 502.50 715.00 1249.00 1453.50 7893.07
1986 1054.00 911.50 716.10 a 719.00 486.50 172.00 229.00 35.50 443.50 503.00 884.50 1161.00 7315.60
1987 1159.50 850.00 805.50 516.00 374.50 176.00 73.50 q 69.50 t 45.00 y 0.00 z 352.00 r 614.00 p 3881.50
1988 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 234.31 a 96.50 98.00 272.50 306.00 530.50 k 0.00 z 1007.31
1989 0.00 z 303.00 s 0.00 z 505.50 282.50 k 174.00 120.90 a 154.50 203.00 538.50 258.50 s 555.00 n 1696.40
1990 0.00 z 387.00 q 741.50 497.50 512.02 a 218.65 d 37.50 89.00 71.00 598.82 a 270.00 t 510.00 s 2765.99
1991 0.00 z 0.00 z 861.00 648.50 523.38 a 369.00 54.00 26.50 i 118.45 a 473.78 a 0.00 z 219.50 x 3048.11
1992 272.50 w 207.50 u 330.50 m 294.00 k 169.50 m 0.00 z 83.18 a 63.03 a 167.50 m 56.00 y 0.00 z 0.00 z 146.22
1993 0.00 z 69.00 z 386.00 p 653.00 94.50 s 111.00 p 165.50 k 71.50 q 121.50 i 421.00 437.50 q 527.50 o 1074.00
1994 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 z 0.00
1995 1045.50 751.50 779.65 a 636.00 351.00 233.50 84.50 164.00 151.00 583.50 725.00 1092.50 6597.65
1996 1083.50 649.50 j 780.00 552.00 538.50 232.00 56.00 27.50 j 288.50 556.00 554.50 j 1118.58 a 5205.08
1997 1085.00 880.50 798.00 665.00 297.50 0.00 z 64.07 a 24.50 156.00 0.00 z 783.50 1060.00 5814.07
1998 1019.50 802.50 719.50 592.00 408.68 a 219.50 21.50 42.00 111.50 556.00 783.00 1101.02 a 6376.70
1999 656.00 i 559.50 j 516.00 k 0.00 z 529.14 b 305.19 d 114.04 c 39.02 b 190.56 c 343.00 j 485.50 j 598.50 k 1177.94
2000 782.00 i 599.50 j 804.85 d 490.71 b 430.42 e 159.64 b 100.48 b 79.05 a 243.00 e 361.00 j 761.00 g 888.50 g 2308.16
2001 485.50 q 356.50 q 516.50 j 671.54 d 338.70 d 250.20 e 84.45 b 47.02 a 139.62 d 417.00 h 617.00 g 1090.88 b 2622.40
2002 1046.00 844.00 898.50 593.00 442.50 191.00 54.00 76.00 179.00 571.00 789.50 1047.00 6731.50
2003 271.00 w 511.00 j 704.50 618.00 404.50 171.50 30.00 17.00 155.00 298.00 g 961.50 750.00 i 3062.00
2004 980.00 f 899.50 657.50 491.00 398.50 191.50 42.50 43.00 254.50 499.50 621.00 f 956.00 4433.50
2005 1082.50 800.50 664.50 568.80 e 332.50 261.00 40.00 20.50 237.50 520.11 d 919.00 1240.55 c 6687.46
2006 937.50 892.50 835.00 585.00 368.00 211.00 39.00 68.50 208.50 559.00 0.00 z 1161.39 c 5865.39
2007 1216.50 868.00 714.00 623.50 354.50 0.00 z 18.50 98.50 263.50 622.50 898.00 1129.50 6807.00
2008 1227.50 883.50 916.00 769.00 364.00 324.00 50.00 107.50 245.00 f 591.00 762.00 1227.00 7221.50
2009 1137.00 913.00 982.50 637.00 385.00 161.50 36.50 84.50 178.50 676.50 864.00 1237.50 7293.50
2010 960.00 786.00 771.00 672.50 535.00 281.50 102.00 102.00 241.50 502.00 947.50 1107.06 e 7008.06
2011 716.00 h 968.33 d 885.00 781.67 c 539.18 c 312.69 d 145.59 c 49.48 e 155.56 c 549.73 a 498.50 n 858.00 f 4387.23
2012 609.00 n 683.50 g 699.00 g 419.50 g 470.34 b 294.64 b 79.57 a 53.73 a 137.88 d 19.00 z 159.50 w 450.50 q 1036.17
2013 524.50 q 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 1129.90 877.75 807.62 640.05 441.80 246.54 97.24 103.51 254.08 567.49 883.98 1130.99 7265.74
S.D. 138.79 70.56 84.63 86.64 74.58 66.68 51.12 59.14 102.12 75.32 108.22 118.40 377.13
SKEW 0.98 0.47 0.22 -0.05 0.02 0.27 0.45 0.57 0.53 -1.15 1.36 0.72 -0.83
MAX 1521.00 1033.50 982.50 798.50 574.00 382.50 229.00 223.50 502.50 715.00 1249.00 1453.50 7850.82
MIN 937.50 751.50 657.50 490.71 297.50 151.50 18.50 17.00 71.00 306.00 725.00 939.62 6376.70
NO YRS 31 32 36 40 40 40 42 40 40 34 29 32 22