WALLOWA, OREGON

Monthly Total Heating Degree Days

(358997)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1903 0.00 z 0.00 z 841.50 672.00 466.00 89.50 158.00 123.50 388.00 548.00 910.00 1175.00 5371.50
1904 1178.50 1047.50 943.00 501.50 383.50 239.00 73.00 66.50 215.50 470.00 733.50 1107.00 6958.50
1905 1184.00 1084.50 696.00 538.00 456.50 230.00 58.50 75.00 272.07 a 673.00 879.50 1309.00 7456.07
1906 1251.50 1078.50 1089.00 514.00 429.87 a 263.50 2.00 87.83 a 247.50 500.50 922.24 a 1007.50 7393.94
1907 1439.50 818.50 833.00 643.00 407.50 285.00 77.50 203.00 308.50 409.72 a 810.00 1098.50 7333.72
1908 1164.50 977.00 834.50 560.50 519.50 259.50 45.43 b 122.00 260.00 600.00 783.50 1235.00 7361.43
1909 1241.00 874.50 782.00 690.50 500.50 197.00 115.00 97.50 229.66 a 595.72 a 797.00 1455.00 7575.37
1910 1521.00 1200.50 704.00 450.50 352.50 210.50 50.50 144.00 f 285.00 495.50 847.50 1036.50 7154.00
1911 1182.00 1278.15 a 816.85 a 667.50 536.50 173.50 72.00 141.10 b 364.00 617.00 911.50 1186.78 a 7946.88
1912 1226.00 956.00 912.78 d 641.90 a 429.50 178.00 135.76 b 194.27 a 429.00 713.52 a 850.00 1148.50 7815.22
1913 1346.50 1306.50 1027.50 607.50 427.50 251.50 186.00 a 0.00 z 234.50 i 696.50 818.00 1238.50 7906.00
1914 1056.07 a 1092.00 707.00 533.00 336.50 260.50 37.50 93.50 310.00 491.00 802.00 1529.16 b 7248.22
1915 1387.00 889.50 629.00 431.50 387.50 229.50 67.00 1.00 299.00 513.05 a 874.50 1194.00 6902.55
1916 1562.00 1021.00 738.50 503.00 496.00 a 235.00 93.50 99.00 0.00 z 0.00 z 1053.89 c 1257.57 a 7059.46
1917 1367.44 d 1167.50 1161.00 676.50 430.50 242.00 22.50 30.00 159.31 a 563.00 802.50 724.00 7346.25
1918 1003.00 1015.00 800.00 623.50 511.50 103.50 64.50 169.00 212.50 507.00 941.00 1217.00 7167.50
1919 1174.00 995.00 808.00 537.50 395.50 216.00 64.00 60.50 309.00 744.50 976.00 1581.50 7861.50
1920 1260.00 882.00 842.50 685.00 511.00 270.50 42.00 100.00 331.00 675.50 963.00 1108.00 7670.50
1921 1220.00 1112.50 803.50 663.00 389.00 117.00 91.00 89.00 435.50 530.50 811.00 1201.00 7463.00
1922 1623.50 1195.00 1079.00 724.00 427.50 101.50 36.50 66.50 0.00 z 465.50 1015.00 1271.50 8005.50
1923 960.50 1110.50 875.00 591.50 424.00 249.50 57.00 82.00 252.00 586.50 802.00 1175.50 7166.00
1924 1381.50 866.00 942.00 637.00 283.50 157.00 104.50 109.50 256.50 537.50 949.00 1378.50 7602.50
1925 1039.50 813.00 753.00 484.00 304.00 211.00 40.50 127.00 265.00 585.00 851.00 945.00 6418.00
1926 1128.00 760.50 697.50 422.50 411.50 169.50 30.00 78.50 367.50 577.12 a 710.50 1198.50 6551.62
1927 1238.50 899.00 842.00 623.00 520.59 b 190.20 e 75.00 113.50 342.50 555.50 704.50 1311.50 7415.79
1928 1148.03 a 1077.50 781.50 622.00 265.00 229.50 51.00 113.00 242.50 554.50 0.00 z 0.00 z 5084.53
1929 1492.50 1335.00 0.00 z 667.50 381.50 210.00 28.50 25.00 186.50 493.00 956.00 830.50 6606.00
1930 1669.50 808.00 781.50 440.50 403.00 257.50 60.00 44.00 239.50 629.30 a 948.50 1439.50 7720.80
1931 1254.00 1105.00 830.00 583.50 322.00 194.50 36.00 75.43 a 324.00 604.00 1025.00 1311.82 a 7665.25
1932 1339.50 1300.00 897.00 577.00 401.50 172.00 89.00 117.00 301.50 597.00 777.50 1388.00 7957.00
1933 1173.00 1268.50 913.50 636.00 519.00 142.00 51.00 147.00 342.00 461.00 833.00 818.50 7304.50
1934 886.00 718.50 616.00 407.00 288.00 204.50 63.00 47.50 326.50 494.00 712.50 1135.50 5899.00
1935 1313.00 989.00 953.50 661.00 448.00 204.00 94.50 96.00 205.50 607.50 1028.50 1184.00 7784.50
1936 1158.00 1317.50 905.50 502.00 248.00 143.50 30.50 71.00 297.00 534.50 1069.00 988.00 7264.50
1937 1743.00 1121.00 830.00 649.00 372.00 238.00 40.00 156.50 197.50 552.00 699.00 967.00 7565.00
1938 1040.00 952.50 863.00 574.50 405.00 184.00 26.00 106.50 109.00 499.50 993.50 1030.00 6783.50
1939 999.00 1042.74 a 824.50 453.50 322.50 267.00 49.00 65.00 286.50 643.50 893.00 887.00 6733.24
1940 1081.50 841.00 696.00 523.50 273.50 99.50 38.50 42.50 154.00 436.50 942.00 765.50 i 5128.50
1941 1107.45 b 809.00 648.00 513.00 316.00 159.00 11.22 b 89.00 348.50 595.00 813.50 674.50 g 5409.67
1942 1310.86 c 1003.50 873.50 506.00 459.00 273.00 32.00 79.50 195.54 b 494.00 876.50 1038.00 7141.39
1943 1320.00 921.50 879.00 467.50 493.50 321.00 84.00 105.00 162.50 522.50 858.50 1120.00 7255.00
1944 1205.50 989.50 893.00 569.50 351.00 244.00 85.50 131.00 215.00 455.50 954.50 1241.00 7335.00
1945 1117.50 472.00 k 851.00 665.50 375.50 251.50 40.50 55.00 300.50 475.50 896.50 1208.00 6237.00
1946 1145.50 1038.00 730.00 543.00 468.00 318.50 0.00 z 6.00 z 301.50 751.00 948.00 377.00 s 6243.50
1947 1346.95 a 863.50 746.00 626.38 a 336.00 311.00 70.00 142.50 234.50 495.00 929.44 c 1118.50 7219.77
1948 1270.50 1066.00 944.00 670.86 a 438.50 91.00 k 188.38 e 139.00 f 323.08 d 636.03 b 946.20 e 1385.81 d 7869.37
1949 1902.00 1066.59 a 814.78 a 521.50 305.57 c 258.89 c 103.85 a 86.59 b 242.07 a 744.50 797.14 b 1120.81 b 7964.29
1950 1472.50 a 1086.08 b 939.09 b 695.00 154.50 t 251.54 d 0.00 z 83.24 d 323.89 c 541.39 c 0.00 z 922.54 d 6315.26
1951 1239.45 c 939.83 e 988.68 c 627.12 d 336.41 d 0.00 z 48.05 a 106.20 d 240.00 d 581.85 e 655.00 j 752.50 j 5107.57
1952 0.00 z 96.00 z 993.03 a 523.97 a 368.56 d 198.89 c 40.00 h 75.50 j 177.00 e 470.96 e 811.00 g 0.00 z 2732.40
1953 0.00 z 634.00 i 801.50 640.18 b 498.50 314.50 85.00 99.00 203.50 534.50 759.50 995.74 b 4931.92
1954 1044.91 b 766.00 919.00 588.00 360.24 b 300.50 68.50 193.48 b 340.34 a 660.50 783.21 b 0.00 z 6024.70
1955 0.00 z 0.00 z 0.00 z 722.00 478.00 174.11 b 115.45 b 94.50 296.00 506.50 1005.50 1145.00 4537.06
1956 1223.50 1174.00 879.50 544.50 329.00 243.00 45.50 123.48 a 237.50 613.50 953.00 1124.00 7490.48
1957 1606.32 a 1017.33 a 804.97 a 581.50 294.00 175.50 60.93 b 118.83 a 192.50 577.00 960.00 1004.92 a 7393.80
1958 1141.00 779.33 a 893.00 621.50 231.47 a 138.50 33.50 29.97 a 304.00 520.00 878.50 968.00 6538.77
1959 1093.00 874.50 831.00 559.00 509.95 a 191.00 85.50 159.13 a 328.50 587.50 931.03 a 1178.50 7328.62
1960 1438.50 1073.00 881.50 557.50 477.00 209.50 29.00 174.00 245.50 574.50 852.00 1151.50 7663.50
1961 1084.00 723.50 789.50 608.00 436.00 96.50 36.50 22.50 417.00 627.50 984.50 1137.00 6962.50
1962 1295.50 966.00 872.00 516.50 470.00 251.50 128.00 127.00 247.50 555.00 818.50 1063.50 7311.00
1963 1332.50 701.50 797.50 684.50 370.00 216.50 126.00 88.50 122.50 466.00 809.00 1207.00 6921.50
1964 1172.00 1116.50 911.00 677.00 472.50 232.76 a 0.00 z 155.00 349.00 574.50 920.50 1185.00 7765.76
1965 1121.50 838.00 932.00 549.00 496.00 229.50 78.00 119.50 415.50 480.00 795.00 1191.00 7245.00
1966 1039.50 1013.50 847.50 616.00 333.50 242.00 58.50 90.00 146.50 597.00 797.50 1045.00 6826.50
1967 968.50 793.00 880.00 0.00 z 0.00 z 0.00 z 0.00 z 24.50 116.50 557.50 849.50 1112.50 5302.00
1968 1181.50 787.00 716.50 684.50 410.50 186.00 60.50 142.00 261.00 658.50 872.50 1155.00 7115.50
1969 1280.50 1100.00 977.00 592.50 315.50 149.50 102.50 108.50 227.00 704.50 884.00 1063.00 7504.50
1970 1082.50 813.50 881.50 754.00 421.50 155.00 46.00 64.50 406.00 671.00 868.50 1289.50 7453.50
1971 1051.50 870.00 936.50 664.14 a 366.00 269.00 105.00 22.00 415.00 692.50 911.00 1224.00 7526.64
1972 1217.00 987.00 730.00 710.50 356.50 160.50 82.50 49.50 370.00 577.50 886.50 1356.00 7483.50
1973 1217.00 870.50 793.00 639.00 351.00 198.00 40.50 91.50 258.50 601.00 909.50 968.50 6938.00
1974 1286.50 813.00 798.50 597.50 481.50 131.50 70.50 89.50 236.00 599.50 822.00 1108.00 7034.00
1975 1158.50 1034.00 889.00 784.50 454.50 252.00 37.00 128.00 260.50 584.50 906.50 998.00 7487.00
1976 1148.00 1029.00 951.50 650.00 372.50 267.00 43.50 118.00 199.00 596.50 823.50 1185.00 7383.50
1977 1398.00 850.00 883.00 507.50 496.00 82.50 80.50 76.50 321.00 570.50 891.00 964.50 7121.00
1978 1066.00 832.50 668.00 589.50 456.50 200.00 62.00 126.00 297.00 589.50 990.00 1355.22 a 7232.22
1979 1573.50 930.50 820.00 600.50 367.00 185.00 51.50 22.50 180.00 486.50 1049.50 999.50 7266.00
1980 1253.50 841.00 828.50 498.50 376.00 225.50 47.50 163.00 204.50 595.50 861.00 1072.00 6966.50
1981 1022.00 875.00 736.00 543.50 410.50 220.50 106.50 39.50 272.50 640.00 809.50 1011.00 6686.50
1982 1146.50 997.00 813.50 674.50 436.00 123.50 88.00 44.50 292.00 603.00 1021.00 1133.00 7372.50
1983 1040.50 778.50 727.00 639.50 386.50 221.00 110.00 22.00 348.00 559.50 808.50 1392.50 7033.50
1984 1226.00 1025.50 776.50 653.00 452.50 247.00 62.00 41.50 307.00 669.00 854.00 1394.50 7708.50
1985 1487.50 1212.50 971.50 507.00 358.00 167.50 0.00 134.33 a 400.50 632.50 1200.00 1621.50 8692.83
1986 1203.50 851.50 648.00 594.00 377.50 87.00 129.50 12.00 372.00 560.00 844.50 1181.00 6860.50
1987 1308.00 941.00 762.50 408.50 311.00 149.00 96.00 91.50 182.50 522.50 841.00 1106.50 6720.00
1988 1307.50 973.50 787.50 482.00 380.00 175.00 40.50 65.00 252.00 332.00 829.00 1211.00 6835.00
1989 1239.50 1303.50 842.50 477.00 395.00 143.00 45.00 133.00 257.00 580.00 785.00 1087.50 7288.00
1990 1000.50 909.50 748.50 470.00 423.50 182.00 19.00 66.00 113.50 613.00 792.50 1404.50 6742.50
1991 1272.50 745.00 809.50 621.00 484.00 248.50 45.00 17.50 170.50 586.00 897.50 1019.50 6916.50
1992 1028.50 736.00 634.50 473.50 253.50 120.50 53.50 102.50 228.50 491.00 925.00 1221.00 6268.00
1993 1414.00 1226.00 831.50 600.50 211.50 219.50 193.50 121.50 270.50 513.50 1075.50 1045.50 7723.00
1994 973.50 965.00 739.00 472.50 297.50 186.50 36.50 30.50 136.50 555.50 1028.50 1228.50 6650.00
1995 1141.00 773.00 768.00 594.00 385.00 198.50 20.00 100.00 182.50 629.50 710.00 1012.50 6514.00
1996 1077.50 990.50 751.00 527.50 453.00 177.00 20.00 53.50 317.50 529.00 826.00 0.00 z 5722.50
1997 0.00 z 851.50 725.50 627.50 259.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2464.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 111.50 602.50 778.50 1122.50 2615.00
1999 968.50 913.00 814.50 662.00 451.00 214.00 73.00 33.50 263.50 524.50 736.00 1059.00 6712.50
2000 1135.50 876.00 772.50 461.50 358.00 142.50 51.00 72.00 276.00 578.50 1021.50 1156.00 6901.00
2001 1278.00 1089.50 795.50 617.50 299.50 199.00 41.00 26.00 130.00 549.00 800.00 1143.00 6968.00
2002 1086.00 1015.00 860.50 579.50 409.00 151.50 22.50 74.50 209.00 668.00 830.50 1028.50 6934.50
2003 934.50 858.50 661.00 0.00 z 374.50 109.00 15.50 6.00 165.50 435.00 952.00 1090.50 5602.00
2004 1182.00 1013.00 672.50 504.00 359.00 146.00 15.00 39.27 a 243.50 504.00 861.00 1013.50 6552.77
2005 1100.50 862.00 716.50 560.00 304.00 201.00 7.00 30.00 225.50 492.50 885.50 1332.00 6716.50
2006 0.00 z 905.00 804.50 558.00 314.00 106.50 7.00 56.00 200.00 545.00 804.00 1183.50 5483.50
2007 1232.50 822.50 646.50 527.50 294.50 120.00 0.00 36.00 218.00 535.00 895.00 1125.00 6452.50
2008 1242.50 862.00 837.00 678.00 332.50 203.50 18.50 50.00 201.00 559.00 758.00 1185.00 6927.00
2009 1114.00 940.00 889.00 594.00 333.00 128.50 19.00 49.50 108.00 651.50 859.50 1277.50 6963.50
2010 1004.50 820.50 771.00 588.00 463.50 189.50 51.00 70.50 150.00 457.50 910.50 1191.00 6667.50
2011 1152.17 a 940.50 781.00 714.31 a 425.22 a 196.03 a 62.50 21.50 114.31 a 501.50 900.54 b 1134.08 a 6943.66
2012 1018.50 898.00 749.50 489.44 c 401.97 a 205.34 a 18.50 35.00 0.00 z 599.50 0.00 z 1017.00 5432.76
2013 1396.00 849.50 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 2245.50
Period of Record Statistics
MEAN 1221.91 966.80 823.43 583.97 392.62 199.22 61.81 85.53 258.40 565.73 879.13 1154.45 7180.85
S.D. 182.75 151.62 101.92 82.19 74.52 56.00 39.51 45.79 80.61 75.39 93.29 156.76 451.61
SKEW 1.00 0.55 0.43 -0.10 -0.15 -0.09 1.13 0.32 0.11 0.08 0.48 0.36 0.12
MAX 1902.00 1335.00 1161.00 784.50 536.50 321.00 193.50 203.00 435.50 751.00 1200.00 1621.50 8692.83
MIN 886.00 701.50 616.00 407.00 211.50 82.50 0.00 1.00 108.00 332.00 699.00 724.00 5899.00
NO YRS 104 105 107 107 107 105 103 103 105 108 104 101 84