MOUNT ADAMS RANGER STN, WASHINGTON

Monthly Total Heating Degree Days

(455659)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 0.00 z 0.00 z 0.00 z 0.00 z 178.00 76.50 50.50 44.00 184.62 d 536.19 d 861.72 a 1180.00 3111.52
1925 910.22 b 732.85 b 754.85 a 524.44 c 328.37 d 208.97 a 17.16 c 144.15 a 242.88 d 556.89 c 863.00 914.50 c 6198.29
1926 1025.50 756.54 b 592.10 a 361.00 374.21 c 95.50 k 56.26 d 71.00 f 408.00 530.00 789.64 b 1048.32 a 5941.57
1927 1167.50 877.00 831.50 601.07 b 523.79 b 152.59 a 85.00 128.50 321.00 546.50 698.89 c 1103.00 7036.34
1928 1062.00 886.00 719.50 595.50 221.50 f 203.50 72.50 105.50 g 269.00 558.00 803.28 a 1104.00 6273.28
1929 1275.00 1143.00 749.50 672.22 c 416.20 d 208.50 104.50 69.00 321.43 b 390.00 g 825.50 906.75 a 6691.60
1930 1555.00 776.00 729.53 a 400.50 f 450.03 b 269.50 79.00 86.00 241.50 638.00 878.00 902.50 f 5702.57
1931 1017.26 d 685.00 f 800.26 d 552.00 264.61 c 225.54 b 39.00 83.50 308.50 586.33 b 936.50 643.00 o 4813.49
1932 1102.71 c 1028.50 826.09 d 446.00 g 412.62 b 152.59 a 135.00 124.50 222.00 486.91 b 757.76 a 1120.65 a 6369.34
1933 1040.10 b 1023.08 b 882.97 b 576.92 d 531.98 c 235.00 c 85.00 108.50 382.50 452.00 751.50 789.97 b 6859.52
1934 833.79 b 644.00 d 556.89 c 310.56 c 302.00 167.50 71.50 53.00 274.00 469.50 738.50 948.82 c 5370.06
1935 1088.10 a 860.00 906.50 645.52 a 389.00 179.50 127.00 123.50 152.50 547.50 920.17 a 1053.50 6992.79
1936 1017.00 1302.50 870.21 c 532.00 289.33 a 158.79 a 69.00 82.50 256.50 436.50 879.50 908.30 a 6802.14
1937 1451.83 a 954.50 815.82 a 425.00 k 352.88 a 198.00 43.50 123.00 209.00 458.50 760.86 a 939.00 6306.90
1938 1021.97 a 920.00 849.83 b 575.17 a 388.05 c 81.00 44.00 66.50 92.50 541.00 923.00 985.91 c 6488.93
1939 948.08 a 948.00 727.47 a 500.00 329.00 225.00 59.50 64.50 196.00 524.86 b 738.00 e 873.00 6133.41
1940 1064.50 859.50 705.00 548.50 259.00 108.21 b 45.47 a 50.00 170.17 a 459.32 a 961.50 1026.00 6257.17
1941 1058.50 816.00 668.50 500.50 397.83 a 232.00 13.00 90.00 331.03 a 586.23 c 781.20 e 984.00 6458.80
1942 1305.62 a 890.50 808.00 522.86 b 452.00 258.46 d 70.50 62.50 141.50 466.60 b 900.00 b 991.00 6869.54
1943 1314.50 893.50 917.00 552.93 a 480.50 287.59 a 45.00 128.13 a 114.11 b 537.69 b 819.50 1075.00 7165.45
1944 1132.50 904.00 811.50 607.00 396.00 208.97 a 65.00 98.00 213.00 423.84 b 889.00 1149.07 a 6897.88
1945 989.50 838.00 878.00 651.50 378.50 244.66 a 53.06 e 54.25 a 293.79 a 510.97 b 628.50 j 1147.50 6039.72
1946 1033.85 a 881.50 837.53 b 292.00 r 292.50 292.00 128.00 82.00 336.43 b 726.95 a 997.24 a 1008.03 b 6616.04
1947 1199.50 852.00 735.14 c 572.50 288.00 0.00 z 98.50 168.00 231.50 567.09 b 797.59 a 973.00 6482.82
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 100.56 c 129.50 147.77 a 341.38 a 637.64 b 899.42 d 1210.00 3466.26
1949 1559.50 1022.00 890.22 a 541.03 a 322.92 a 216.00 104.00 105.00 230.69 a 703.91 b 709.00 1023.00 e 7427.27
1950 1528.00 1021.00 924.26 d 756.43 b 464.50 232.24 a 55.00 60.50 235.86 a 608.12 a 857.00 931.60 b 7674.51
1951 1124.50 956.67 a 738.00 i 558.89 c 298.12 a 162.32 b 58.38 a 94.50 187.80 e 607.27 c 876.43 b 1103.37 d 6028.24
1952 1239.45 c 944.50 892.59 b 516.43 b 359.37 d 216.50 62.50 104.00 191.25 b 411.94 e 693.00 j 1045.73 a 5984.26
1953 887.00 814.00 783.02 b 671.38 a 484.50 215.50 l 72.50 71.00 g 216.50 506.91 d 756.21 a 898.00 6090.01
1954 1077.50 915.50 942.92 a 660.00 a 382.00 319.50 103.50 g 166.00 313.39 b 666.50 b 661.00 578.50 n 6104.31
1955 700.00 j 917.00 1001.00 784.50 485.31 b 200.50 179.00 88.00 293.00 595.00 987.50 1130.50 6661.31
1956 1115.00 1131.00 982.00 590.50 307.93 a 291.00 e 56.32 a 104.00 252.50 517.00 f 580.50 j 1023.52 a 5853.77
1957 1455.97 a 933.52 c 691.00 f 560.19 d 303.28 a 138.50 h 95.50 f 137.50 h 143.79 a 0.00 z 245.00 v 613.00 k 3396.76
1958 994.87 d 494.00 i 539.50 k 482.00 h 139.50 k 98.33 c 23.00 30.50 259.14 a 495.00 858.33 c 936.00 3695.18
1959 1030.00 879.50 807.50 600.50 448.00 f 210.00 d 62.00 127.50 307.50 537.91 d 650.50 h 1029.50 5591.91
1960 1190.50 925.00 842.00 602.00 492.00 148.50 35.00 133.00 212.50 467.50 811.50 1124.61 d 6984.11
1961 1010.48 e 777.78 a 802.00 582.00 395.00 105.00 33.00 14.00 312.00 e 368.50 k 727.00 g 1019.68 c 5050.94
1962 1058.28 b 880.38 b 920.00 533.00 518.73 a 208.39 b 124.50 149.00 214.20 e 573.00 810.00 c 958.86 b 6948.35
1963 1168.18 a 723.00 809.50 676.00 395.00 220.00 115.50 89.50 119.46 b 318.50 i 586.50 h 859.00 g 4316.15
1964 972.33 e 833.46 d 678.00 g 488.00 h 325.00 i 253.50 94.50 178.77 a 321.00 538.22 b 916.61 b 1138.50 5246.88
1965 1032.00 785.50 813.00 563.50 438.13 a 167.00 63.50 96.00 323.50 318.00 f 442.00 k 592.50 m 4282.13
1966 642.50 l 599.00 i 632.50 i 370.50 k 202.00 k 122.50 l 113.50 99.50 201.50 318.00 j 534.00 j 645.00 j 414.50
1967 644.00 j 539.00 i 667.50 h 503.50 j 327.00 i 146.54 d 54.00 27.50 132.41 a 430.00 i 569.50 j 778.50 k 360.45
1968 710.00 k 573.50 i 481.50 j 473.00 h 341.00 e 210.54 b 68.00 148.00 222.00 595.50 784.50 1117.00 3486.54
1969 1354.50 933.50 817.00 614.00 287.50 101.25 b 67.50 107.00 232.50 616.00 789.50 1063.00 6983.25
1970 881.50 h 765.00 781.50 704.00 378.00 98.04 b 36.00 26.00 f 306.50 542.50 805.00 1046.50 5463.04
1971 1020.00 856.00 962.50 701.00 334.00 296.50 103.50 41.50 380.50 585.68 c 800.00 726.00 j 6081.18
1972 1120.00 907.50 722.50 714.00 335.12 b 176.00 62.50 60.50 357.00 625.00 760.00 1175.00 7015.12
1973 1079.00 773.50 729.00 565.00 359.50 219.00 69.00 137.00 233.50 524.00 921.50 930.00 6540.00
1974 1198.15 a 787.00 806.00 599.00 467.00 136.00 104.50 66.00 147.50 425.50 674.42 d 910.50 6321.57
1975 992.50 839.50 804.50 625.00 368.38 a 0.00 z 0.00 z 0.00 z 0.00 z 484.00 751.07 b 887.12 a 5752.07
1976 895.50 855.00 832.35 a 590.50 399.38 a 241.00 49.08 a 88.50 84.64 b 397.50 747.00 957.50 6137.96
1977 1163.53 a 799.12 c 820.50 521.25 b 542.00 63.46 d 81.00 69.50 h 368.50 566.50 878.50 954.44 e 6758.81
1978 1025.50 788.85 b 697.50 a 582.22 c 468.50 172.00 51.00 120.50 296.50 511.00 974.00 1149.00 6836.57
1979 1450.00 954.69 b 757.20 d 636.00 331.00 185.50 76.00 82.00 87.50 p 447.50 956.00 925.50 6801.40
1980 1267.26 b 917.50 843.41 b 449.50 g 0.00 z 268.97 a 38.00 119.87 a 218.50 470.00 0.00 z 961.53 b 5105.04
1981 0.00 z 809.20 c 673.50 573.10 a 316.50 228.33 c 31.50 l 22.50 193.00 565.00 736.55 a 1026.00 5143.69
1982 616.50 l 902.00 836.00 0.00 z 0.00 z 118.00 117.50 106.00 275.50 628.00 941.00 1108.00 5032.00
1983 923.50 151.00 v 684.50 646.00 301.96 d 193.00 84.50 31.50 279.00 547.00 803.50 1322.00 5816.46
1984 1019.90 a 865.00 720.50 701.00 528.50 272.00 58.50 47.00 308.00 678.50 898.00 1171.50 7268.40
1985 1244.00 965.00 870.50 565.00 365.00 187.00 16.00 111.71 b 417.50 629.50 1193.50 1416.50 7981.21
1986 1045.00 898.50 670.00 576.50 376.50 95.50 119.00 9.50 336.00 477.00 792.50 1114.50 6510.50
1987 1114.50 828.50 774.00 466.00 313.00 129.00 86.00 66.50 177.50 467.50 757.76 a 1130.50 6310.76
1988 1092.50 817.50 777.00 531.50 409.00 256.50 82.50 79.00 246.00 338.50 795.00 1007.00 6432.00
1989 966.50 1105.00 883.00 499.00 406.00 127.50 92.50 138.00 224.00 578.00 723.00 981.00 6723.50
1990 940.00 924.50 746.50 480.50 428.50 0.00 z 29.50 75.50 116.50 621.50 747.50 1257.50 6368.00
1991 1052.50 690.50 854.50 631.50 434.00 292.00 17.00 l 38.00 153.00 550.00 804.00 977.00 6477.00
1992 960.50 755.50 634.47 a 518.50 234.50 0.00 z 0.00 z 79.00 261.00 490.50 858.50 1116.00 5908.47
1993 1256.50 1039.00 844.50 629.50 266.00 211.50 195.00 127.50 230.00 480.50 1008.00 1052.45 a 7340.45
1994 863.50 936.00 738.00 494.50 328.00 243.00 34.00 66.50 0.00 z 591.50 967.00 1043.00 6305.00
1995 1036.50 762.00 790.00 611.00 323.00 223.00 48.50 152.50 171.00 0.00 z 684.00 633.00 l 4801.50
1996 1040.57 a 1083.50 791.50 586.00 494.00 207.50 35.50 74.00 326.00 568.50 877.24 a 723.00 j 6084.31
1997 571.00 p 606.00 i 578.50 j 449.00 k 233.50 k 219.00 74.50 36.50 215.00 601.00 538.50 i 553.50 n 1146.00
1998 404.50 r 517.50 j 569.00 i 578.50 403.00 181.00 8.50 o 42.00 137.00 592.00 788.00 1085.52 a 3807.02
1999 533.00 m 599.00 i 629.00 i 486.00 h 349.50 i 227.50 98.00 57.50 259.50 434.50 g 567.50 f 648.50 j 642.50
2000 673.50 l 532.00 l 618.00 h 339.00 j 297.00 h 186.50 118.00 86.80 a 378.62 a 499.00 f 534.50 m 619.00 n 769.92
2001 692.00 j 569.50 j 531.50 m 543.50 j 250.50 n 362.59 a 69.20 c 60.50 126.50 f 442.50 f 556.00 i 764.00 i 492.28
2002 739.50 j 629.00 i 654.50 j 692.00 363.50 k 254.00 0.00 z 75.50 212.00 638.50 806.50 985.50 3664.00
2003 638.50 j 528.50 j 492.00 j 441.50 i 243.00 i 132.50 32.00 23.50 0.00 z 404.19 e 684.50 i 817.50 g 592.19
2004 727.00 l 604.00 j 518.00 h 378.50 h 306.50 h 204.50 42.50 48.00 257.00 404.50 f 636.00 f 718.50 g 552.00
2005 700.50 i 572.00 i 538.50 f 576.50 251.00 f 251.00 40.00 41.00 143.50 k 369.00 h 728.00 f 931.00 g 908.50
2006 681.50 h 905.74 e 834.13 d 559.80 e 373.00 154.00 29.00 61.50 195.50 354.50 j 604.00 j 743.50 j 3112.67
2007 822.00 h 841.83 e 704.96 d 564.00 e 50.00 z 0.00 z 0.00 z 59.00 k 208.50 626.56 e 667.00 f 728.50 i 2945.85
2008 914.50 g 629.50 g 863.83 e 736.80 e 349.04 d 236.50 48.50 84.50 246.60 e 552.63 e 542.00 g 849.50 g 3118.40
2009 690.50 j 584.50 i 613.00 j 431.00 h 290.00 h 115.50 35.13 a 47.50 187.80 e 520.50 f 640.50 g 941.50 g 385.93
2010 537.00 m 526.00 i 770.50 611.54 d 491.50 233.50 75.50 94.00 206.50 512.50 854.50 1039.69 e 4889.73
2011 971.73 e 651.50 h 621.00 h 561.00 g 341.00 i 226.03 a 119.72 b 28.42 a 152.40 e 534.20 c 663.50 g 811.50 g 2032.50
2012 411.50 r 624.50 i 646.00 i 322.50 k 301.00 g 271.80 e 45.97 b 54.00 163.00 518.50 751.00 1014.98 b 2819.25
2013 1140.00 806.00 762.17 b 16.00 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 2708.17
Period of Record Statistics
MEAN 1110.48 887.64 799.74 586.26 380.49 198.48 71.57 85.01 242.22 540.80 833.99 1041.33 6765.53
S.D. 166.99 113.14 87.66 81.05 79.97 62.14 35.73 39.63 76.15 76.08 95.91 110.11 524.21
SKEW 1.04 0.90 -0.20 -0.36 0.11 -0.12 0.94 0.27 0.17 -0.07 0.84 0.69 -0.13
MAX 1559.50 1302.50 1001.00 784.50 542.00 362.59 195.00 178.77 417.50 726.95 1193.50 1416.50 7981.21
MIN 833.79 644.00 556.89 310.56 178.00 63.46 13.00 9.50 84.64 338.50 661.00 789.97 5370.06
NO YRS 66 68 69 67 68 80 80 81 83 73 66 66 30