UPPER BAKER DAM, WASHINGTON

Monthly Total Heating Degree Days

(458715)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1965 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 416.50 646.00 917.50 1980.00
1966 965.50 829.00 796.00 570.50 409.50 286.00 158.00 101.50 179.00 520.50 705.00 824.00 6344.50
1967 914.00 767.00 837.00 636.00 403.00 118.50 100.00 31.50 121.00 494.97 a 691.00 973.50 6087.47
1968 986.83 a 755.50 706.50 647.50 368.90 a 247.00 80.50 163.00 236.00 578.00 719.50 1052.00 6541.23
1969 1246.00 901.50 826.50 636.00 306.50 125.50 145.50 169.50 259.00 513.00 653.50 846.00 6628.50
1970 942.00 649.50 743.00 705.50 425.00 178.50 120.00 124.50 336.00 541.50 771.50 985.00 6522.00
1971 1010.50 843.00 922.50 657.50 424.50 358.50 147.00 58.00 321.50 584.50 765.00 1038.00 7130.50
1972 1101.53 a 900.50 798.50 731.90 a 371.50 284.50 122.00 90.00 361.00 517.50 700.50 1054.00 7033.43
1973 1034.50 761.50 749.50 579.00 397.50 289.14 a 149.50 168.50 216.00 531.00 844.00 858.50 6578.64
1974 1018.00 804.00 830.50 604.00 525.50 227.50 170.00 106.50 136.00 411.27 a 694.00 840.50 6367.77
1975 978.50 893.50 854.50 698.00 411.94 e 307.76 a 87.50 191.00 167.50 533.00 820.50 916.50 6860.20
1976 904.50 868.00 888.50 595.00 414.00 329.00 174.63 a 177.00 165.00 446.50 649.00 828.00 6439.13
1977 958.00 657.00 814.50 513.50 465.50 200.50 191.50 83.00 289.50 520.00 826.00 934.50 6453.50
1978 911.00 718.00 663.00 546.00 447.50 167.50 99.50 135.00 294.00 405.50 842.50 1026.50 6256.00
1979 1201.00 891.50 718.00 583.00 367.50 241.00 118.00 53.50 141.00 396.50 734.00 827.50 6272.50
1980 1081.50 782.50 790.00 481.50 387.50 267.00 122.00 161.50 238.00 412.00 665.50 823.50 6212.50
1981 761.00 725.00 628.50 623.50 391.00 348.50 147.00 67.50 229.00 0.00 z 661.00 900.50 5482.50
1982 1008.50 850.50 760.00 647.50 409.00 154.00 169.50 131.00 188.00 472.50 819.50 901.50 6511.50
1983 838.50 705.50 631.50 505.50 315.00 242.50 177.50 72.00 0.00 z 493.50 695.50 1105.50 5782.50
1984 900.00 762.50 647.00 592.50 508.00 232.00 112.50 68.50 274.66 a 565.50 790.50 1049.50 6503.16
1985 998.00 910.00 793.50 576.50 359.00 236.50 23.50 114.50 289.00 570.00 1028.50 1071.00 6970.00
1986 700.00 f 803.50 626.50 618.50 387.50 157.00 182.00 34.00 263.50 386.00 739.00 892.00 5089.50
1987 953.50 711.00 686.50 452.50 350.00 185.50 92.50 96.00 169.50 391.00 646.50 953.50 5688.00
1988 966.50 789.50 768.50 546.50 385.00 252.00 149.50 101.00 274.29 b 374.50 743.50 891.00 6241.79
1989 967.00 996.50 862.50 485.00 412.50 173.00 133.50 124.50 159.00 501.00 709.50 838.00 6362.00
1990 904.00 966.50 783.50 474.00 403.50 266.00 66.50 66.00 138.50 604.50 733.50 1152.00 6558.50
1991 1057.50 699.00 819.50 581.50 429.50 295.00 91.50 97.50 157.50 480.50 707.50 870.50 6287.00
1992 879.50 679.00 523.50 474.50 274.50 135.50 89.50 83.00 312.00 471.00 731.00 1024.00 5677.00
1993 1192.00 857.50 717.50 571.00 248.00 254.50 189.50 108.00 195.00 386.00 830.00 902.50 6451.50
1994 786.50 871.00 684.00 460.50 309.50 250.50 79.00 61.00 132.00 516.50 897.50 982.50 6030.50
1995 972.00 751.00 738.50 547.00 280.00 187.00 99.50 0.00 z 100.50 558.00 690.50 930.50 5854.50
1996 971.00 839.00 742.00 534.00 508.00 234.50 107.50 111.00 299.50 562.50 801.00 1060.50 6770.50
1997 1006.50 821.00 828.00 0.00 z 317.50 250.00 122.00 41.50 171.00 528.00 678.00 909.50 5673.00
1998 969.00 718.50 702.00 525.00 353.00 175.00 50.00 63.00 119.00 469.00 698.50 994.50 5836.50
1999 918.00 836.50 814.50 602.50 492.00 328.50 153.00 88.00 212.50 516.00 706.00 914.50 6582.00
2000 985.50 806.00 759.50 488.50 436.50 0.00 z 0.00 z 0.00 z 233.00 0.00 z 0.00 z 966.50 4675.50
2001 900.50 802.00 723.50 620.00 384.00 280.50 134.00 91.50 219.00 575.50 716.90 a 981.00 6428.40
2002 953.00 869.00 895.00 609.00 492.50 205.86 a 121.50 109.00 245.50 505.00 684.50 879.50 6569.36
2003 822.00 776.00 778.50 617.00 415.50 161.00 64.00 38.00 177.50 247.50 n 885.00 971.50 5706.00
2004 1010.50 775.00 684.00 421.00 374.50 178.50 61.00 61.00 288.50 505.50 744.50 853.00 5957.00
2005 974.50 743.00 677.50 541.00 313.00 282.00 112.00 61.50 277.00 490.50 822.50 974.00 6268.50
2006 875.00 872.00 836.50 585.50 403.50 202.50 97.50 103.50 203.00 512.00 833.00 978.50 6502.50
2007 1053.00 811.00 779.00 610.50 412.00 294.00 80.00 125.00 258.00 597.00 813.00 996.00 6828.50
2008 1077.50 896.50 857.00 716.90 a 420.50 359.00 134.00 154.50 267.00 582.00 700.50 1051.50 7216.90
2009 1055.50 857.50 938.00 622.00 423.50 167.00 89.00 105.50 175.00 581.00 786.00 1070.00 6870.00
2010 847.50 706.50 708.00 602.00 475.00 280.00 125.00 117.50 230.00 470.50 835.00 954.00 6351.00
2011 983.00 895.00 842.00 726.50 491.50 292.50 191.50 99.00 178.00 533.00 860.50 968.00 7060.50
2012 1008.50 857.57 a 912.50 565.50 436.50 352.00 119.00 62.00 180.50 540.00 748.00 966.50 6748.57
2013 1063.00 826.00 766.22 a 12.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 34.50 z 2655.22
Period of Record Statistics
MEAN 976.84 808.50 767.78 581.05 398.66 240.01 120.64 99.33 219.06 501.34 754.55 952.06 6474.98
S.D. 98.03 79.29 87.36 74.81 63.57 65.23 40.05 40.40 64.49 64.11 80.01 82.89 364.22
SKEW 0.41 0.01 -0.30 0.00 -0.21 0.03 -0.06 0.40 0.17 -0.45 0.96 0.23 -0.11
MAX 1246.00 996.50 938.00 731.90 525.50 359.00 191.50 191.00 361.00 604.50 1028.50 1152.00 7216.90
MIN 761.00 649.50 523.50 421.00 248.00 118.50 23.50 31.50 100.50 374.50 646.00 823.50 5677.00
NO YRS 47 48 48 46 47 46 46 45 46 45 47 48 40