CONNELL 1 W, WASHINGTON

Monthly Total Heating Degree Days

(451690)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200305
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
1960 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 740.00 1139.00 1879.00
1961 974.00 617.00 621.55 a 482.50 242.50 30.00 0.00 0.00 187.00 516.00 978.00 1045.50 5694.05
1962 1131.50 809.50 756.00 380.50 232.50 m 98.50 29.85 d 22.45 b 95.50 453.63 a 670.00 897.50 5344.93
1963 1255.50 770.00 637.50 500.17 a 246.50 104.50 20.67 a 22.06 e 46.00 334.59 b 695.17 a 1078.00 5710.66
1964 954.00 817.02 c 725.63 d 545.17 a 315.00 111.35 d 8.00 v 56.63 e 148.00 411.00 829.00 1208.50 6121.30
1965 1061.50 724.50 739.50 361.00 262.43 b 46.00 15.00 22.00 155.36 b 271.25 c 658.00 986.50 5303.04
1966 997.88 b 728.56 c 646.00 423.00 179.50 94.00 14.50 21.50 44.50 456.00 685.50 844.00 5134.94
1967 808.00 655.00 695.50 570.00 235.08 a 29.00 2.50 0.00 b 20.50 j 378.00 763.50 1024.00 5160.58
1968 930.50 655.09 a 558.00 490.50 198.00 49.00 6.50 34.88 c 101.54 d 485.00 737.78 c 1103.71 b 5350.49
1969 1462.50 982.50 640.50 422.50 131.00 0.00 q 0.00 p 19.50 76.00 g 499.50 735.50 967.50 5861.00
1970 1044.00 700.50 673.00 535.50 203.00 45.50 0.00 b 0.00 181.03 a 489.00 762.50 1008.00 5642.03
1971 892.00 748.00 773.50 462.00 160.00 121.50 29.34 c 4.50 185.00 c 392.00 l 729.50 1072.60 a 5177.94
1972 1053.43 d 824.35 b 587.93 b 520.50 157.00 29.42 d 9.00 3.62 a 205.50 295.00 j 760.80 e 1184.50 5336.05
1973 1069.00 766.00 599.69 b 412.00 199.78 d 82.00 9.30 a 28.00 84.11 b 405.77 c 571.00 h 849.63 d 4505.27
1974 1172.00 668.50 634.00 410.50 292.43 a 43.33 c 20.00 7.50 58.27 d 416.36 b 690.00 d 849.50 5262.40
1975 648.50 m 863.00 726.50 544.29 b 210.00 57.69 d 0.00 b 26.02 c 81.00 367.57 c 755.50 961.52 a 4593.08
1976 926.56 d 777.63 b 734.50 444.50 208.50 131.11 c 14.47 a 31.50 f 33.89 c 420.16 c 735.00 c 1032.54 e 5458.85
1977 1303.15 d 703.50 515.00 g 311.50 283.13 a 31.20 e 7.75 e 22.06 e 162.00 f 294.50 i 790.00 943.50 4395.79
1978 1051.02 e 403.50 m 468.00 h 426.72 a 225.00 g 22.00 k 1.00 k 16.00 g 112.50 i 360.50 j 985.50 1121.50 3584.74
1979 1581.00 830.50 439.50 h 437.88 d 172.80 d 37.00 f 24.50 0.00 g 43.33 c 322.00 901.50 884.50 5198.01
1980 1285.50 858.50 676.00 243.00 i 185.50 83.50 f 4.17 e 1.00 o 68.50 f 444.50 725.77 d 896.93 a 5076.88
1981 862.00 753.00 362.00 k 291.50 g 242.00 77.50 h 29.21 e 2.87 d 108.50 g 318.00 h 691.03 a 1000.27 a 3580.38
1982 1138.50 761.00 666.00 546.00 238.50 55.50 21.00 j 3.00 j 129.50 469.00 882.00 166.50 y 4886.00
1983 821.50 635.00 537.50 487.00 199.50 74.00 10.00 n 0.00 174.00 394.50 628.00 1327.00 5278.00
1984 1039.00 757.00 571.00 483.50 330.50 103.50 2.50 10.00 181.50 518.00 405.50 m 1235.50 5232.00
1985 1241.50 975.50 689.50 362.00 167.50 36.50 0.00 2.50 j 205.50 289.00 j 1200.50 1439.00 6317.50
1986 1030.00 760.50 533.50 461.00 236.50 19.00 13.00 p 0.00 185.00 386.50 719.00 1062.00 5393.00
1987 1133.50 729.00 565.00 300.52 a 144.50 59.50 9.50 1.55 a 71.50 416.50 680.50 1058.50 5170.07
1988 1065.00 746.50 648.00 333.50 217.50 96.50 1.50 i 4.00 152.50 260.00 656.50 1064.00 5244.00
1989 934.00 1115.00 697.00 312.50 246.50 28.00 8.50 12.00 i 66.50 444.00 657.00 1028.00 5537.00
1990 828.50 805.00 611.50 318.00 122.50 k 80.00 3.50 1.50 i 31.00 476.50 638.00 1247.50 5039.50
1991 1177.00 624.50 700.00 423.50 260.00 128.50 3.00 5.50 49.50 373.00 j 767.00 896.50 5035.00
1992 869.50 683.50 516.50 361.50 144.00 35.50 5.50 31.50 168.50 401.00 775.00 1114.00 5106.00
1993 1364.50 1036.00 761.50 445.50 121.50 86.00 30.00 36.50 148.50 379.00 968.00 956.00 6333.00
1994 834.00 826.00 576.50 320.50 168.00 81.00 10.00 1.50 38.50 449.50 793.50 956.50 5055.50
1995 981.50 659.50 647.50 463.50 177.00 70.50 2.00 50.00 61.50 498.00 684.00 1021.00 5316.00
1996 1128.50 973.00 696.00 377.50 322.00 86.50 18.00 5.50 j 176.00 463.50 843.50 1136.00 6220.50
1997 1043.00 775.00 622.50 485.50 167.00 79.00 11.50 1.00 88.50 453.50 735.00 1003.50 5465.00
1998 929.00 664.50 609.00 442.50 207.50 31.50 0.00 3.00 53.50 460.00 623.00 1010.50 5034.00
1999 835.00 675.50 613.36 c 504.00 319.50 116.79 b 29.93 b 12.00 g 139.00 472.00 609.50 853.00 5167.57
2000 972.50 764.50 672.00 337.00 215.50 59.50 17.00 13.50 g 168.50 464.47 b 966.00 1150.50 5787.47
2001 1047.00 847.78 a 625.00 469.00 220.00 106.50 10.50 6.95 b 57.32 b 451.00 673.89 c 942.50 5457.44
2002 877.00 772.50 760.50 440.50 283.50 64.00 12.50 19.00 139.50 558.00 752.50 851.50 5531.00
2003 856.00 741.50 541.50 417.50 256.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2812.50
Period of Record Statistics
MEAN 1046.69 775.74 648.36 433.48 219.17 70.32 11.73 14.97 114.88 431.01 762.73 1034.58 5410.35
S.D. 178.62 111.63 70.13 73.66 54.67 32.48 9.83 15.53 58.35 66.11 121.02 134.52 330.16
SKEW 0.95 1.11 -0.01 -0.15 0.31 0.19 0.63 0.99 0.02 -0.76 1.55 0.78 1.31
MAX 1581.00 1115.00 773.50 570.00 330.50 131.11 30.00 56.63 205.50 558.00 1200.50 1439.00 6333.00
MIN 808.00 617.00 516.50 300.52 121.50 19.00 0.00 0.00 31.00 260.00 609.50 844.00 5034.00
NO YRS 42 42 39 41 40 37 35 31 36 35 41 42 16