EPHRATA, WASHINGTON

Monthly Total Heating Degree Days

(452609)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197103
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 0.00 z 407.78 c 203.00 10.00 8.50 0.00 a 0.00 z 0.00 z 897.00 1107.00 2633.28
1904 1105.00 1031.00 889.50 326.00 198.50 63.50 20.50 6.00 35.50 315.50 592.50 1000.50 5584.00
1905 1069.50 a 933.33 a 560.07 a 336.00 157.50 h 48.89 c 1.00 16.00 95.00 622.00 0.00 z 898.00 g 3681.79
1906 1207.50 834.08 b 787.73 c 229.50 f 102.00 l 104.48 a 0.00 a 6.95 b 36.00 l 217.00 j 829.44 c 1111.72 b 4881.91
1907 1499.37 a 923.00 754.00 424.82 b 101.78 a 101.25 b 0.00 b 10.33 a 139.50 80.50 q 594.00 0.00 z 4548.05
1908 0.00 z 0.00 z 0.00 z 0.00 z 231.50 44.50 0.50 19.00 95.00 0.00 z 626.38 a 1129.50 2146.38
1909 1482.83 a 819.50 599.50 450.50 218.03 a 12.50 h 6.50 1.00 l 55.00 k 0.00 z 0.00 z 930.00 h 3576.87
1910 1170.00 917.78 a 597.50 328.39 b 75.90 b 55.18 b 0.00 g 3.10 a 89.40 e 206.67 a 681.50 943.20 d 5068.62
1911 1175.62 e 1023.75 d 708.23 e 443.00 184.00 h 55.00 g 3.50 h 0.00 o 111.50 m 367.83 e 614.50 g 1025.98 e 4744.40
1912 1274.58 e 788.00 488.50 k 282.00 i 45.00 m 42.00 n 0.50 w 22.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2062.58
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 13.50 t 0.00 41.00 150.00 436.00 744.50 1008.00 2379.50
1921 1072.50 870.50 658.50 461.00 136.83 b 27.50 0.50 5.00 229.00 304.83 a 811.55 a 1090.50 5668.21
1922 1491.50 1107.00 807.00 469.14 a 224.50 0.00 0.00 3.50 53.00 267.50 844.50 1339.00 6606.64
1923 986.00 1089.00 677.50 363.00 157.00 69.00 8.00 0.00 49.50 342.50 723.00 1053.50 5518.00
1924 1308.00 680.00 644.50 376.50 74.00 18.50 4.00 5.00 108.50 372.50 844.00 1282.00 5717.50
1925 1104.00 705.50 599.00 273.00 104.50 61.50 0.00 26.50 94.00 41.00 z 845.50 899.50 4713.00
1926 1070.00 692.50 492.00 240.00 a 190.50 28.50 0.00 2.00 228.50 352.50 691.50 1133.05 a 5121.05
1927 1194.50 849.00 696.50 468.00 253.50 1.50 0.00 16.00 145.86 a 431.50 800.00 1261.50 6117.86
1928 1199.50 888.12 a 635.50 496.50 95.00 24.00 0.00 2.00 58.50 384.00 785.00 1138.00 5706.12
1929 1503.00 1261.00 646.50 502.00 149.00 54.00 0.00 0.00 131.50 290.00 871.00 1019.50 6427.50
1930 1559.50 789.50 583.32 a 243.00 154.00 55.50 0.00 0.00 72.50 480.00 860.00 1103.50 5900.82
1931 1025.00 846.50 649.00 369.00 93.00 44.00 0.00 0.00 128.00 395.00 882.00 1231.50 5663.00
1932 1311.00 1070.00 692.50 331.00 175.00 11.00 3.50 23.50 50.00 382.50 703.00 1173.00 5926.00
1933 1110.50 1200.50 700.50 392.50 314.50 26.00 2.50 11.50 141.50 320.00 709.50 918.00 5847.50
1934 904.17 a 623.50 450.50 159.50 123.00 15.00 14.00 0.00 189.00 326.50 649.00 990.50 4444.67
1935 1163.00 799.00 758.00 468.50 132.00 19.00 12.00 9.00 26.50 476.00 916.00 1080.50 5859.50
1936 1041.50 1351.50 715.50 295.00 64.50 35.00 1.00 0.50 77.50 230.00 898.50 1019.00 5729.50
1937 1659.00 1103.50 617.50 451.00 138.00 81.50 0.00 15.50 52.50 214.00 693.50 961.00 5987.00
1938 1012.50 858.50 658.50 318.00 141.50 24.00 0.00 0.00 14.50 276.50 791.50 999.00 5094.50
1939 936.00 953.00 615.50 265.00 100.50 41.00 1.00 5.00 18.00 332.00 677.00 832.00 4776.00
1940 1020.50 805.50 527.00 307.00 76.50 3.00 0.00 0.00 12.00 278.50 928.50 950.00 4908.50
1941 990.50 698.50 454.00 276.00 186.50 45.00 0.00 19.00 157.00 396.50 664.00 938.00 4825.00
1942 1268.00 825.50 636.00 299.00 215.00 52.00 3.50 9.50 32.00 286.00 871.00 1088.00 5585.50
1943 1358.00 841.00 738.00 302.50 247.00 75.50 6.00 3.00 22.50 405.00 746.50 1037.50 5782.50
1944 1140.50 885.00 728.50 352.50 120.00 27.50 0.00 0.00 70.00 133.50 792.69 d 1152.50 5402.69
1945 1014.00 751.00 723.00 454.00 144.50 46.00 0.00 2.50 97.50 274.00 828.50 1043.50 5378.50
1946 1033.00 812.00 621.50 353.50 66.13 a 70.50 1.50 0.00 77.50 457.25 a 918.00 1006.00 5416.88
1947 1169.50 736.50 492.50 300.00 13.00 l 21.67 c 0.00 3.32 c 68.57 b 363.14 c 714.50 1017.50 4887.20
1948 1058.50 983.00 719.00 514.00 254.00 6.50 8.27 a 5.00 106.50 282.00 j 797.00 1341.00 5792.77
1949 1653.00 1055.00 640.00 292.00 91.50 35.50 6.00 1.00 61.50 460.50 576.50 1009.00 5881.50
1950 1699.00 943.19 a 766.00 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 3408.19
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 23.50 47.50 414.00 808.00 1232.50 2525.50
1952 1327.50 926.00 700.00 307.00 127.00 30.50 0.50 5.00 28.00 185.50 884.00 980.00 5501.00
1953 819.50 701.50 596.75 a 421.00 212.35 a 66.00 0.00 6.50 77.00 288.50 631.00 883.00 4703.10
1954 1181.50 804.00 743.00 473.50 105.50 71.50 4.00 18.50 71.50 423.00 602.00 1026.50 5524.50
1955 1135.50 943.00 855.50 562.50 280.00 15.00 14.50 0.00 119.50 402.00 1075.00 1206.00 6608.50
1956 1087.50 1195.50 765.50 257.00 105.00 53.50 0.00 9.00 56.00 424.00 875.50 1018.00 5846.50
1957 1492.50 974.00 677.00 324.50 43.00 11.50 0.00 2.00 31.00 429.87 a 772.50 886.50 5644.37
1958 908.50 587.50 677.50 409.50 38.00 3.00 0.00 0.00 89.00 330.00 798.00 999.50 4840.50
1959 1045.00 892.00 634.00 328.00 245.50 28.00 0.50 5.50 140.00 427.50 874.00 992.50 5612.50
1960 1259.00 830.50 661.00 391.50 243.50 28.00 0.00 40.00 53.40 e 389.71 c 768.00 1108.00 5772.61
1961 979.00 684.00 0.00 z 0.00 z 207.50 16.55 a 0.00 0.00 0.00 z 0.00 z 0.00 z 1091.00 2978.05
1962 1159.40 a 819.00 743.50 185.00 k 292.50 72.50 25.00 31.50 90.50 416.00 729.00 920.50 5299.40
1963 1262.50 759.50 588.50 463.50 178.00 23.50 11.50 10.50 38.00 338.50 719.00 1099.00 5492.00
1964 1029.50 831.50 692.00 447.50 203.00 28.97 a 6.00 30.00 124.00 385.00 846.50 1239.00 5862.97
1965 1085.00 800.50 693.00 313.00 189.50 18.00 12.00 15.00 156.50 324.00 697.50 1046.50 5350.50
1966 1134.50 803.00 674.00 344.00 127.50 75.50 20.00 8.50 13.00 444.00 691.00 913.50 5248.50
1967 898.50 661.00 680.00 522.00 200.00 14.00 0.00 2.50 26.50 399.50 735.50 1107.50 5247.00
1968 1051.50 727.00 536.00 414.50 119.50 28.50 1.50 31.50 78.00 513.00 760.00 1145.50 5406.50
1969 1487.00 994.00 658.00 430.00 134.50 24.50 1.00 9.00 108.50 497.50 784.00 1014.50 6142.50
1970 1171.50 735.00 675.50 548.00 188.50 40.00 3.50 0.50 204.50 497.00 840.50 1216.50 6121.00
1971 1096.00 796.50 710.00 f 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 1892.50
Period of Record Statistics
MEAN 1183.64 876.03 663.47 378.60 160.21 38.12 3.73 9.12 87.60 366.84 776.17 1063.56 5586.39
S.D. 205.40 160.18 89.85 89.50 67.06 25.34 5.93 10.67 54.38 92.42 102.16 116.13 477.48
SKEW 0.81 0.80 -0.19 0.01 0.24 0.65 1.88 1.39 0.77 -0.09 0.12 0.45 -0.16
MAX 1699.00 1351.50 889.50 562.50 314.50 104.48 25.00 41.00 229.00 622.00 1075.00 1341.00 6608.50
MIN 819.50 587.50 450.50 159.50 38.00 0.00 0.00 0.00 12.00 133.50 576.50 832.00 4444.67
NO YRS 58 58 55 53 53 55 56 57 54 51 55 56 44