CONCONULLY, WASHINGTON

Monthly Total Heating Degree Days

(451666)

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
1894 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.50 q 13.00 0.00 z 0.00 z 781.00 1290.00 2084.00
1895 1273.00 908.00 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 2181.00
1896 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
1897 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
1898 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
1899 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 1148.50 1148.50
1900 1053.50 1080.00 717.00 455.50 274.00 80.00 54.50 139.50 295.00 651.00 1031.50 989.50 6821.00
1901 1339.50 1101.50 876.00 638.00 313.00 280.00 72.00 12.00 394.50 428.50 861.00 1158.50 7474.50
1902 1309.23 a 944.74 a 915.00 635.00 333.50 212.00 116.00 83.00 330.50 517.00 989.50 1303.50 7688.97
1903 1250.50 1221.00 1053.50 646.00 347.00 71.00 108.00 91.00 366.50 585.00 1001.00 1178.00 7918.50
1904 1272.50 1138.00 1019.50 563.00 328.50 150.00 18.27 c 64.00 237.00 545.50 761.50 1174.50 7272.27
1905 1258.00 1133.00 732.50 491.50 376.50 187.00 50.00 91.50 252.50 768.50 928.00 1209.00 7478.00
1906 1241.00 973.00 935.50 426.00 324.50 279.00 0.00 63.55 a 225.50 525.00 947.50 1209.50 7150.05
1907 1727.00 1111.00 991.00 641.00 271.50 212.00 55.00 175.00 257.00 397.00 834.00 1176.50 7848.00
1908 1251.33 e 1156.78 b 936.50 523.45 a 407.28 b 175.50 45.00 84.50 203.50 563.50 792.00 1261.50 7400.83
1909 1654.50 1060.00 862.00 617.50 398.50 177.50 105.00 65.00 180.00 551.50 916.50 1443.50 8031.50
1910 1293.00 1225.00 667.00 430.50 155.50 m 211.50 29.50 145.00 234.00 536.30 a 934.50 1149.50 6855.80
1911 1482.00 1177.00 799.50 588.50 406.50 151.00 51.50 62.50 319.00 551.50 1030.50 1221.50 7841.00
1912 1367.00 988.00 897.50 541.00 314.00 111.50 63.00 117.50 298.00 660.50 853.50 1135.00 7346.50
1913 1464.50 1255.15 b 996.00 538.50 383.50 148.00 109.00 77.50 257.50 687.50 854.50 1146.50 7918.15
1914 1177.50 1120.00 837.00 473.50 310.00 213.00 26.50 19.00 307.00 533.50 0.00 z 660.50 q 5017.00
1915 1344.88 a 941.00 747.00 421.00 402.50 222.00 82.00 10.50 282.50 372.00 j 1058.57 b 1233.28 a 6745.24
1916 1816.00 1209.00 973.00 648.00 583.32 a 324.00 171.00 59.50 l 215.00 610.70 a 1121.25 b 1500.40 a 9171.67
1917 1481.50 1204.00 1153.95 b 741.50 401.00 249.00 48.05 a 12.50 250.20 e 583.00 831.00 1237.50 8193.20
1918 1245.50 1203.50 934.00 561.50 436.50 105.00 69.20 c 113.31 b 118.00 572.47 a 998.00 1230.18 a 7587.16
1919 1267.00 1177.56 a 984.00 568.00 406.50 257.59 a 46.50 a 35.13 a 279.64 b 738.00 1064.50 1197.00 i 6824.42
1920 1308.41 b 1031.05 a 903.13 a 660.50 428.00 228.00 1.55 a 0.00 d 0.00 z 107.50 z 928.50 1152.50 6641.65
1921 1285.00 1080.50 901.00 698.00 318.50 147.50 55.50 35.50 408.50 545.00 1043.00 1368.50 7886.50
1922 1583.50 1348.00 1078.00 669.00 435.50 71.00 17.00 f 63.50 208.00 544.00 1056.50 1504.53 a 8561.53
1923 1254.00 1252.00 951.00 580.50 406.00 205.50 49.50 38.00 180.00 576.00 936.00 1250.50 7679.00
1924 1485.50 893.50 847.00 602.50 208.00 151.50 49.00 59.50 281.50 616.00 1075.50 1500.00 7769.50
1925 1323.50 929.00 853.00 517.00 268.50 175.00 9.00 119.50 240.00 652.00 1021.00 1064.00 7171.50
1926 1269.00 883.00 693.50 423.00 395.50 143.00 15.50 53.00 435.50 605.00 859.50 1266.50 7042.00
1927 1410.50 1053.50 940.50 657.50 473.00 149.00 59.00 56.00 321.00 646.50 1003.50 1480.00 8250.00
1928 1299.00 1042.50 835.00 673.00 259.50 153.00 30.00 54.50 180.00 627.50 956.50 1341.00 7451.50
1929 1676.50 1362.00 833.00 690.00 368.50 173.00 42.50 33.00 263.50 512.50 1056.50 1266.00 8277.00
1930 1855.50 982.50 803.00 440.00 370.00 219.00 44.50 39.00 210.00 671.00 1029.00 0.00 z 6663.50
1931 0.00 z 1046.35 e 857.00 557.59 a 314.00 171.60 e 24.00 46.00 315.00 604.50 768.50 g 1324.45 b 5260.48
1932 1467.50 1239.00 957.50 566.50 404.50 128.00 72.50 j 84.50 121.00 l 600.37 a 923.33 c 1383.78 b 7754.98
1933 1322.00 1304.00 944.00 633.50 516.15 a 205.00 f 64.14 b 28.23 c 372.50 530.74 b 868.00 1144.50 7727.76
1934 1146.00 881.00 698.00 356.50 380.61 d 109.50 53.50 f 65.32 c 320.00 573.50 825.00 1250.00 6605.43
1935 1343.16 b 970.85 b 809.50 f 567.50 f 379.23 a 201.72 a 92.50 f 62.50 j 170.50 637.00 1120.00 1236.38 a 6058.84
1936 1223.90 e 1624.52 a 997.00 482.59 a 267.63 a 170.50 49.50 40.00 267.50 450.00 1069.00 1239.50 7881.64
1937 1847.00 1224.00 811.00 642.00 376.00 162.50 54.00 133.00 165.50 480.50 900.50 1189.88 a 7985.88
1938 1219.00 1114.50 911.50 561.50 293.50 105.50 15.50 82.00 94.50 515.50 1023.50 1265.00 7201.50
1939 1186.50 1187.50 942.50 532.00 293.00 266.00 57.50 9.50 171.21 a 584.00 880.50 1018.50 7128.71
1940 949.50 g 0.00 z 750.50 543.33 c 344.21 b 103.50 21.50 37.41 b 112.24 a 507.00 1133.79 a 1162.00 4715.49
1941 1186.00 918.00 669.50 454.00 378.00 185.17 a 18.00 99.00 389.00 613.50 866.50 1189.00 6965.67
1942 1390.50 1003.50 895.00 553.00 438.50 262.00 43.50 58.50 132.50 508.50 1034.00 1265.00 7584.50
1943 1625.50 1002.00 1029.50 505.50 501.00 263.00 64.00 80.50 149.00 526.50 916.00 1267.50 7930.00
1944 1342.50 1101.00 965.00 542.50 391.00 144.50 63.00 64.00 157.24 a 424.00 928.00 1300.50 7423.24
1945 1188.50 943.50 937.50 659.00 308.50 195.00 30.50 22.45 b 274.50 497.50 1018.00 441.00 s 6074.95
1946 100.00 z 1071.50 880.00 542.00 220.50 219.50 46.00 46.50 a 244.50 714.50 1110.00 1264.80 a 6359.80
1947 1400.50 988.50 765.50 510.50 221.50 192.00 44.00 80.00 192.50 589.00 0.00 z 1157.00 6141.00
1948 1385.50 1184.00 995.00 686.50 419.50 83.50 111.50 123.50 306.00 661.50 976.00 1525.00 8457.50
1949 1764.00 1279.00 906.23 a 521.00 246.50 202.24 a 65.00 66.65 a 205.50 676.00 780.00 1297.00 8009.12
1950 1973.50 1087.00 1008.53 a 690.50 424.00 162.00 38.00 29.00 182.50 679.00 1001.50 1083.00 8358.53
1951 1375.00 1096.00 1115.50 581.00 328.08 a 176.50 37.50 88.00 225.50 658.50 1003.00 1497.00 8181.58
1952 1504.00 1087.50 974.00 532.00 331.50 175.00 58.00 78.00 134.00 424.50 995.00 1150.00 7443.50
1953 1068.00 934.00 852.50 623.50 392.50 264.50 44.50 71.00 206.00 527.50 822.00 1067.00 6873.00
1954 1450.00 962.50 978.50 701.50 325.00 287.00 66.00 110.50 261.50 666.50 753.50 1207.50 7770.00
1955 1299.00 1153.00 1170.50 745.00 473.00 154.00 106.50 49.00 262.50 628.00 1242.50 1426.50 8709.50
1956 1271.50 1395.00 1067.50 538.00 252.00 219.50 33.58 a 56.50 209.50 645.50 1062.00 1226.00 7976.58
1957 1751.00 1174.50 904.50 544.50 194.00 147.00 80.00 96.50 109.50 655.00 933.50 1094.00 7684.00
1958 1104.50 794.50 845.00 554.50 0.00 z 0.00 z 3.00 1.50 238.50 480.00 1055.50 1152.00 6229.00
1959 1204.00 1113.00 847.00 551.00 392.00 129.50 24.50 g 56.00 0.00 z 578.67 a 1028.50 1178.00 7077.67
1960 1448.00 1066.50 893.00 551.00 354.00 130.50 10.50 182.00 223.00 481.50 927.00 1274.00 7541.00
1961 1178.50 843.50 797.50 563.50 342.55 a 0.00 z 0.00 z 13.50 404.00 646.00 1115.00 1252.50 7156.55
1962 1347.50 942.50 954.00 489.50 389.00 184.00 126.00 107.50 0.00 z 559.00 808.00 1011.00 6918.00
1963 1332.00 753.00 789.00 630.00 291.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 871.00 1189.00 5855.50
1964 1193.50 1099.41 a 962.00 614.44 c 442.50 0.00 z 0.00 z 0.00 z 239.50 0.00 z 0.00 z 0.00 z 4551.35
1965 1163.50 1021.48 a 975.00 590.50 0.00 z 0.00 z 0.00 z 68.50 358.00 0.00 z 0.00 z 0.00 z 4176.98
1966 0.00 z 0.00 z 939.00 0.00 z 284.50 0.00 z 39.86 c 58.50 100.56 c 574.00 844.00 1061.50 3901.91
1967 1046.50 811.00 0.00 z 711.67 c 330.50 62.07 a 0.00 z 7.23 a 87.41 a 620.00 848.00 1250.00 5774.38
1968 1247.23 a 894.50 746.14 b 613.00 284.17 a 136.00 22.00 122.00 198.62 a 620.00 a 849.50 1347.47 a 7080.63
1969 1726.00 1154.74 a 917.27 c 534.31 a 212.35 a 62.50 74.92 a 65.00 212.00 614.00 909.50 1179.50 7662.09
1970 1350.50 891.00 863.50 630.00 b 299.00 81.00 15.50 15.00 321.00 643.52 b 976.50 1341.55 b 7428.07
1971 1311.50 1005.00 1058.00 603.50 189.00 233.00 0.00 z 0.00 z 320.17 a 651.50 929.00 1457.00 7757.67
1972 1453.50 0.00 z 844.00 701.00 257.50 130.71 b 0.00 z 35.00 383.00 601.40 a 906.00 1341.50 6653.61
1973 1357.28 a 1006.00 0.00 z 495.50 279.00 0.00 z 0.00 y 69.50 224.00 594.00 1031.00 1088.00 6144.28
1974 1343.00 939.50 924.00 596.00 490.50 142.50 87.00 37.50 135.00 513.05 a 860.00 1111.00 7179.05
1975 1355.00 1235.00 1061.00 693.00 381.19 d 187.50 b 28.00 128.65 a 185.00 621.00 953.00 1221.83 b 8050.16
1976 1196.00 1005.50 1038.00 637.50 391.00 258.50 60.50 105.50 116.00 599.00 856.50 0.00 z 6264.00
1977 1487.50 906.00 874.00 451.00 429.50 81.96 b 69.50 66.50 314.50 591.00 997.00 1313.37 a 7581.83
1978 1213.65 a 929.38 b 725.00 566.00 408.00 132.00 34.00 112.50 293.50 532.00 1057.00 1428.00 7431.03
1979 1645.00 1063.50 768.80 a 575.50 297.00 129.00 50.00 11.00 116.50 462.00 1051.00 1111.00 7280.30
1980 1557.00 1021.00 871.00 446.50 298.78 b 195.00 55.50 99.50 214.50 535.50 888.50 1190.00 7372.78
1981 1049.35 a 957.00 749.50 578.50 382.50 274.14 a 81.00 8.50 237.50 631.00 838.50 1192.50 6979.99
1982 1332.00 1028.00 848.00 686.00 337.50 82.00 76.00 38.00 191.50 573.50 1045.50 1249.50 7487.50
1983 1070.50 887.50 749.00 537.00 269.50 165.00 112.00 16.00 292.00 526.50 862.00 1568.50 7055.50
1984 1244.00 1031.00 788.00 621.50 451.00 198.00 0.00 z 38.00 296.00 678.90 a 938.50 1582.50 7867.40
1985 1390.50 1201.00 913.00 550.00 268.00 115.00 0.00 55.00 339.00 618.97 a 1410.50 1423.50 8284.47
1986 1145.00 1042.50 745.50 610.00 354.00 75.50 104.50 5.00 351.00 471.00 916.55 a 1230.00 7050.55
1987 1271.00 876.00 763.50 425.00 261.00 97.50 64.50 42.50 107.50 451.50 0.00 z 0.00 z 4360.00
1988 0.00 z 941.50 784.50 485.50 332.00 176.00 45.50 42.50 217.50 401.00 911.00 1207.00 5544.00
1989 1203.00 1193.50 918.00 477.00 336.50 95.50 41.00 64.00 139.00 573.00 838.50 1087.00 6966.00
1990 1059.50 1095.50 737.50 434.00 410.50 187.00 36.50 50.50 55.00 657.50 868.00 1497.00 7088.50
1991 1413.00 793.50 867.00 539.50 369.00 223.50 16.50 31.50 76.50 577.50 963.00 1077.00 6947.50
1992 1128.00 810.00 606.00 485.00 212.50 54.50 54.00 75.50 242.50 532.00 0.00 z 1645.50 5845.50
1993 1524.17 a 1134.50 902.00 649.00 188.00 187.50 159.50 69.00 189.00 457.00 991.03 a 286.00 w 6450.70
1994 1090.50 747.00 i 742.50 460.00 289.00 178.50 17.00 27.00 70.50 526.00 1114.00 1217.27 a 5732.27
1995 689.50 l 913.50 861.00 577.50 235.50 145.50 23.00 129.50 106.00 608.00 585.50 k 769.50 l 3599.50
1996 1433.50 1191.32 d 933.00 598.50 473.50 167.50 44.50 49.00 261.00 628.00 606.50 l 0.00 z 5779.82
1997 0.00 z 1073.00 932.00 635.50 317.00 202.50 48.00 30.00 171.50 630.00 0.00 z 0.00 z 4039.50
1998 1251.00 864.00 779.00 548.00 262.50 131.00 1.50 20.50 77.50 547.00 0.00 z 0.00 z 4482.00
1999 0.00 z 1021.50 914.00 602.00 444.00 197.00 87.50 36.50 179.00 591.00 0.00 z 0.00 z 4072.50
2000 0.00 z 0.00 z 825.00 472.50 377.00 150.00 50.50 47.00 213.00 541.93 d 0.00 z 0.00 z 2676.93
2001 0.00 z 0.00 z 841.00 612.00 318.50 211.50 50.00 21.00 103.00 578.87 e 0.00 z 0.00 z 2735.87
2002 0.00 z 0.00 z 1034.00 565.00 385.00 99.50 29.50 32.00 172.50 297.00 l 0.00 z 0.00 z 2317.50
2003 0.00 z 0.00 z 0.00 z 0.00 z 369.00 95.50 12.50 5.00 151.50 426.50 0.00 z 0.00 z 1060.00
2004 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
2005 0.00 z 0.00 z 0.00 z 515.56 c 267.50 201.50 22.50 25.50 211.00 548.00 0.00 z 0.00 z 1791.56
2006 0.00 z 0.00 z 0.00 z 550.50 337.50 126.00 10.00 27.00 173.00 529.50 0.00 z 0.00 z 1753.50
2007 0.00 z 0.00 z 0.00 z 0.00 z 301.00 179.50 9.00 41.00 200.00 652.50 0.00 z 0.00 z 1383.00
2008 0.00 z 0.00 z 0.00 z 0.00 z 304.00 204.50 16.50 62.00 196.00 0.00 z 0.00 z 0.00 z 783.00
2009 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
2010 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
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 170.50 h 118.46 c 21.46 e 172.20 e 614.50 1013.28 a 1204.98 d 3144.88
2012 1311.50 1054.00 940.69 b 606.00 409.72 a 268.97 a 20.27 e 32.50 120.50 578.50 861.00 1186.50 7390.14
2013 1435.50 1030.50 882.97 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 47.50 z 3348.97
Period of Record Statistics
MEAN 1354.34 1058.51 886.26 569.09 345.94 169.79 51.46 59.22 225.32 575.21 956.85 1252.09 7581.97
S.D. 196.67 147.82 110.54 81.26 77.44 59.10 34.42 38.89 85.78 74.82 110.37 138.07 447.41
SKEW 0.95 0.59 0.03 -0.10 0.17 0.16 1.01 0.81 0.24 -0.23 0.80 0.72 0.33
MAX 1973.50 1624.52 1170.50 745.00 583.32 324.00 171.00 182.00 435.50 768.50 1410.50 1645.50 8709.50
MIN 1046.50 753.00 606.00 356.50 188.00 54.50 0.00 0.00 55.00 397.00 753.50 989.50 6821.00
NO YRS 95 99 102 104 106 101 96 106 105 103 91 90 60