HERMISTON 2 S, OREGON

Monthly Total Heating Degree Days

(353847)

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
1906 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
1907 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 21.50 69.00 f 243.83 e 639.60 e 829.25 c 1734.18
1908 653.50 i 796.96 b 574.61 c 293.89 c 242.46 c 31.00 f 0.00 b 30.48 a 83.65 d 399.68 c 509.00 f 791.00 g 2421.74
1909 1378.97 b 646.00 566.00 373.50 189.50 15.50 6.50 12.50 95.50 399.50 683.00 1146.00 5512.47
1910 1118.21 c 934.00 438.50 202.76 a 71.50 35.50 0.00 b 40.00 112.00 321.00 647.00 841.00 4761.47
1911 934.50 850.50 527.52 a 374.50 243.50 28.50 0.00 a 0.00 152.00 449.00 707.00 889.50 5156.52
1912 611.50 m 706.00 707.00 367.50 129.00 29.50 12.50 40.82 a 135.00 500.50 695.00 879.00 4201.82
1913 1075.50 992.50 663.50 357.00 181.00 24.50 3.50 9.50 119.50 423.50 584.00 1035.00 5469.00
1914 750.50 697.50 517.18 a 340.50 126.00 66.50 3.00 3.00 156.50 369.00 693.00 1223.00 4945.68
1915 782.50 h 661.00 510.50 263.00 172.50 21.50 0.00 0.00 96.50 315.00 689.50 919.00 3648.50
1916 1476.00 947.00 555.50 342.50 279.00 77.50 10.00 24.00 126.00 515.50 896.00 1079.00 6328.00
1917 1039.00 818.00 762.50 445.00 232.00 80.50 6.50 0.00 57.00 391.00 685.00 653.00 5169.50
1918 808.00 803.00 590.50 417.50 252.50 31.00 2.50 15.50 42.00 303.00 729.50 868.00 4863.00
1919 989.00 719.00 578.00 353.00 184.00 65.50 3.00 0.50 141.50 488.50 773.50 1457.50 5753.00
1920 1086.50 800.50 587.50 453.00 248.50 60.50 5.00 31.50 115.50 436.00 806.00 871.00 5501.50
1921 899.00 697.50 573.50 407.50 174.50 15.00 6.00 8.50 205.00 386.00 766.50 1070.50 5209.50
1922 1407.00 908.00 698.50 446.50 233.00 2.50 0.00 6.50 69.00 374.00 820.50 1132.50 6098.00
1923 814.50 992.00 620.00 340.00 148.50 60.50 6.00 0.00 110.00 449.50 671.00 914.00 5126.00
1924 1145.00 597.50 651.00 359.00 95.50 14.00 2.50 12.50 128.50 376.00 729.50 1266.00 5377.00
1925 807.50 564.50 554.00 253.00 98.00 37.50 0.00 13.00 113.00 440.50 779.00 802.50 4462.50
1926 882.00 584.00 501.50 230.00 143.50 13.50 0.00 0.00 230.50 408.96 e 683.50 982.00 4659.46
1927 1157.50 679.00 646.50 335.00 k 221.00 4.00 0.00 5.00 139.80 e 392.50 549.83 a 1114.00 4909.13
1928 1122.72 a 843.50 560.00 416.50 105.50 26.00 0.00 2.00 132.00 393.50 724.50 1001.50 5327.72
1929 1248.78 a 1247.00 556.00 416.00 158.50 40.00 1.00 8.50 166.50 374.50 893.50 882.50 5992.78
1930 1622.50 640.50 528.50 249.50 175.50 53.50 0.00 0.00 92.00 498.50 771.50 978.50 5610.50
1931 896.00 755.50 622.50 372.00 99.50 28.00 2.00 0.00 127.50 433.00 842.50 1174.00 5352.50
1932 1049.50 887.09 a 585.50 345.50 187.50 21.00 3.00 13.00 127.00 378.50 635.50 1099.00 5332.09
1933 910.50 982.00 628.50 390.00 264.00 29.50 0.00 5.00 172.50 313.00 706.00 704.00 5105.00
1934 779.50 664.50 474.50 176.50 115.00 26.50 6.00 2.00 172.00 293.00 544.50 800.50 4054.50
1935 994.50 725.00 654.50 436.00 159.50 12.00 4.00 9.50 67.00 431.50 890.50 987.00 5371.00
1936 845.00 1226.50 608.50 228.50 60.00 23.50 0.00 0.00 127.50 347.50 988.00 859.00 5314.00
1937 1590.00 921.50 545.00 374.00 142.00 37.00 0.50 23.00 87.00 286.00 587.50 816.50 5410.00
1938 887.00 789.50 579.00 324.00 164.00 30.00 0.00 1.50 16.00 370.00 776.50 889.00 4826.50
1939 823.50 787.50 540.00 284.00 74.50 44.00 0.50 4.50 44.00 326.00 746.00 804.00 4478.50
1940 1028.00 668.50 469.00 303.50 97.00 1.50 0.00 0.00 31.55 a 283.50 865.00 960.50 4708.05
1941 984.00 724.00 523.00 290.50 155.00 20.50 0.00 8.00 136.50 397.50 656.00 829.50 4724.50
1942 1264.50 744.50 621.50 267.50 171.00 44.50 0.00 3.50 45.00 303.50 704.00 831.50 5001.00
1943 1175.50 735.50 669.00 252.00 210.00 73.00 2.00 0.50 33.50 374.50 717.00 985.00 5227.50
1944 1012.00 770.50 638.50 326.50 136.00 46.50 5.00 3.00 58.00 281.50 719.00 986.50 4983.00
1945 839.50 643.50 600.50 376.50 113.00 32.50 1.00 6.50 131.00 331.00 688.50 991.00 4754.50
1946 880.50 666.50 545.50 336.50 90.00 28.50 0.00 3.00 95.50 461.50 825.00 883.50 4816.00
1947 1117.50 725.50 492.50 290.50 52.50 37.00 0.00 4.00 62.50 313.50 659.00 857.00 4611.50
1948 996.50 889.50 673.00 462.41 a 251.00 4.00 16.53 a 14.00 160.50 457.50 678.62 a 1050.38 a 5653.95
1949 1503.50 a 861.78 a 616.79 b 276.21 a 107.00 64.14 a 4.50 16.02 a 81.43 b 499.00 580.00 849.00 5459.36
1950 1499.37 a 989.00 662.37 a 429.50 221.13 a 66.00 3.50 3.00 76.00 372.50 645.00 a 811.68 a 5779.05
1951 929.50 796.50 687.00 341.00 125.50 42.50 5.50 18.60 a 83.50 404.00 753.75 b 1043.15 a 5230.50
1952 1196.50 732.52 b 645.50 330.50 130.50 58.00 8.50 10.00 53.79 a 214.93 a 945.00 a 911.92 a 5237.66
1953 628.02 b 652.00 555.00 405.50 238.00 89.50 0.50 4.50 76.00 332.22 a 625.50 766.00 4372.73
1954 1034.50 707.00 748.00 428.50 199.90 b 102.50 14.47 a 17.50 88.97 a 476.50 585.50 1030.50 5433.83
1955 998.00 794.00 774.45 c 522.32 b 253.00 35.36 b 30.50 2.00 140.00 372.50 918.10 a 1021.50 5861.73
1956 990.50 1097.50 639.50 327.00 141.05 a 79.29 b 1.50 13.50 70.50 406.00 826.50 891.50 5484.34
1957 1486.50 827.00 628.78 a 342.50 75.00 16.00 2.14 b 7.75 a 68.00 445.00 742.76 a 758.00 5399.43
1958 854.00 547.00 675.50 422.50 85.50 9.00 3.00 0.00 88.50 353.00 682.00 882.00 4602.00
1959 919.50 743.00 563.50 338.00 260.50 32.00 12.00 16.00 125.00 366.00 860.50 997.50 5233.50
1960 1258.50 762.50 633.50 353.50 226.50 33.50 1.00 38.00 89.00 357.00 679.00 1082.00 5514.00
1961 925.00 553.00 563.50 391.00 202.50 24.50 0.00 0.00 167.50 459.00 925.00 939.00 5150.00
1962 1049.50 760.08 d 699.50 294.50 274.00 67.00 20.00 24.00 93.50 409.00 642.00 856.50 5189.58
1963 1192.50 741.50 592.00 451.50 205.00 34.50 12.00 6.50 46.50 313.00 612.00 1037.00 5244.00
1964 823.50 725.00 655.00 454.50 258.50 64.00 8.50 44.50 142.00 442.50 770.50 1044.00 5432.50
1965 903.50 638.50 719.00 327.50 211.00 57.00 9.50 30.50 178.50 307.00 617.50 940.00 4939.50
1966 891.00 711.50 607.00 358.50 173.00 95.50 22.00 18.50 58.50 401.50 631.50 798.50 4767.00
1967 720.00 629.50 641.00 522.00 199.50 18.50 0.00 0.00 32.00 361.00 704.00 935.00 4762.50
1968 891.00 658.00 514.00 454.66 a 187.50 49.50 8.50 19.50 77.00 483.50 698.00 1008.00 5049.16
1969 1325.00 850.00 625.00 414.00 128.50 27.50 0.50 20.50 78.50 490.00 670.50 920.50 5550.50
1970 1006.00 662.50 600.00 492.00 168.50 36.50 0.00 0.00 184.00 471.50 720.50 937.00 5278.50
1971 806.50 674.50 714.50 455.00 155.00 92.50 20.00 6.00 195.00 447.00 669.50 868.50 5104.00
1972 957.50 802.50 523.00 472.50 162.50 26.00 5.00 5.50 170.00 419.50 683.00 1187.00 5414.00
1973 1093.00 770.50 527.00 367.00 163.00 68.00 9.00 20.50 90.00 384.50 706.00 785.00 4983.50
1974 1114.00 634.50 595.00 398.00 239.00 41.50 14.00 1.00 63.50 416.50 639.50 808.50 4965.00
1975 909.00 839.50 703.00 527.00 214.50 57.50 0.00 16.00 100.00 384.00 734.50 866.50 5351.50
1976 870.50 773.00 695.00 449.50 175.50 98.50 10.00 26.50 48.50 424.50 693.00 985.50 5250.00
1977 1200.00 670.50 606.00 304.00 302.00 28.00 22.00 17.00 174.00 438.50 774.50 890.50 5427.00
1978 1004.50 717.00 550.50 440.50 263.50 48.50 9.50 23.50 136.50 446.50 947.50 1052.00 5640.00
1979 1511.00 813.50 598.00 405.00 180.50 67.50 20.50 0.00 69.50 339.50 843.00 856.00 5704.00
1980 1207.50 845.00 618.50 344.50 202.50 106.50 17.00 41.50 89.50 456.00 657.00 833.50 5419.00
1981 849.50 739.50 586.50 394.50 201.00 92.00 40.50 10.50 130.00 458.00 650.50 866.00 5018.50
1982 931.00 776.00 615.50 511.50 224.50 51.50 21.50 7.00 157.00 488.00 839.50 898.00 5521.00
1983 805.00 622.50 492.50 448.00 205.00 74.50 35.00 4.00 187.00 440.50 567.00 1293.50 5174.50
1984 975.50 725.00 543.50 449.50 307.50 108.00 5.50 12.50 183.50 489.00 699.00 1094.00 5592.50
1985 1145.50 930.00 646.50 323.00 176.00 50.50 2.00 23.50 226.50 436.50 1067.50 1330.00 6357.50
1986 951.50 714.00 485.00 428.00 244.50 18.00 24.00 0.00 177.00 371.50 648.00 992.50 5054.00
1987 1036.50 700.50 530.00 308.50 146.00 67.50 11.50 17.50 75.00 406.00 649.00 931.50 4879.50
1988 981.50 702.00 587.00 339.00 198.50 108.50 10.00 6.50 109.50 226.00 562.00 955.00 4785.50
1989 801.00 1089.50 650.00 314.50 186.00 0.00 z 4.00 2.50 76.50 390.50 584.50 949.00 5048.00
1990 756.00 745.50 598.00 281.50 193.50 61.00 9.50 10.00 32.00 452.00 590.00 1236.00 4965.00
1991 0.00 z 583.50 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 583.50
1992 0.00 z 0.00 z 0.00 z 275.50 109.50 16.50 6.00 14.50 125.00 344.00 667.00 973.00 2531.00
1993 1271.50 954.50 708.00 359.00 98.50 45.50 4.50 22.50 106.50 317.00 896.50 871.00 5655.00
1994 770.00 802.50 590.00 255.00 109.02 a 50.00 5.00 0.00 20.50 390.50 737.50 891.50 4621.52
1995 569.50 k 578.00 589.00 393.00 133.50 46.50 0.00 17.50 39.00 396.00 542.50 920.50 3655.50
1996 937.50 911.50 606.50 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 2455.50
1997 982.50 700.50 545.50 389.00 120.00 16.50 0.00 z 0.00 10.50 s 0.00 z 0.00 z 0.00 z 2754.00
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1999 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
2000 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
2001 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
2002 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
2003 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
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 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
2006 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
2007 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
2008 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
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 892.80 a 796.92 b 639.50 503.50 278.50 62.00 14.00 0.00 71.50 351.33 a 722.59 a 1045.98 b 5378.63
2012 953.25 a 780.00 620.00 a 382.24 a 228.00 103.50 11.00 11.50 73.00 415.50 636.50 796.00 5010.49
2013 1026.50 702.50 585.50 11.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 35.50 z 2314.50
Period of Record Statistics
MEAN 1029.91 771.38 601.47 367.79 177.06 46.04 6.83 11.15 107.17 392.19 720.10 954.82 5210.86
S.D. 213.35 135.59 68.68 77.00 60.29 27.49 8.37 11.20 49.61 65.74 108.21 142.14 421.55
SKEW 0.93 1.13 0.17 -0.06 0.00 0.58 1.76 1.11 0.35 -0.39 0.81 0.94 0.12
MAX 1622.50 1247.00 774.45 527.00 307.50 108.50 40.50 44.50 230.50 515.50 1067.50 1457.50 6357.50
MIN 628.02 547.00 438.50 176.50 52.50 1.50 0.00 0.00 16.00 214.93 542.50 653.00 4054.50
NO YRS 87 92 91 89 90 88 89 91 89 90 89 89 82