EPHRATA, WASHINGTON

Monthly Total Growing Degree Days

(452609)

Base Temperature = 40 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 342.22 c 617.00 968.00 1044.50 1072.08 a 0.00 z 0.00 z 33.00 2.00 4078.81
1904 1.00 0.00 18.00 427.50 601.00 819.50 1096.00 1146.00 825.00 462.00 165.50 2.50 5564.00
1905 0.52 a 25.93 a 224.23 a 418.50 431.00 h 765.00 c 1160.50 1040.50 737.50 165.00 0.00 z 0.00 g 4537.68
1906 0.00 10.23 b 140.05 c 385.00 f 385.50 l 693.62 a 1335.07 a 1078.59 b 468.00 l 322.50 j 75.00 c 0.00 b 3332.56
1907 1.55 a 15.50 50.00 325.18 b 722.82 a 728.04 b 1092.48 b 890.22 a 642.00 269.50 q 157.50 0.00 z 4625.28
1908 0.00 z 0.00 z 0.00 z 0.00 z 550.50 852.50 1180.00 1102.50 778.00 0.00 z 164.48 a 0.00 4627.98
1909 0.00 a 3.00 186.50 299.50 576.08 a 619.50 h 997.50 593.00 l 498.50 k 0.00 z 0.00 z 0.00 h 2062.58
1910 0.00 0.00 a 184.50 433.93 b 810.28 b 805.18 b 837.50 g 1101.02 a 702.00 e 597.27 a 111.00 6.89 d 4752.06
1911 3.58 e 0.00 d 159.77 e 308.00 394.50 h 643.00 g 921.00 h 514.50 o 338.50 m 407.77 e 70.50 g 2.98 e 882.10
1912 0.60 e 8.50 71.50 k 243.00 i 412.00 m 378.50 n 234.50 w 111.50 z 0.00 z 0.00 z 0.00 z 0.00 z 9.10
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 302.50 t 1191.00 1027.00 639.50 343.00 58.00 0.50 3259.00
1921 3.50 21.00 147.50 289.00 684.67 b 881.00 1082.50 1073.00 528.50 477.40 a 88.97 a 25.50 5302.54
1922 0.00 0.00 41.00 282.93 a 598.50 1054.50 1218.00 1110.00 832.50 518.00 33.00 0.00 5688.43
1923 7.50 2.00 145.00 387.00 638.00 784.00 1153.50 1150.50 862.50 455.00 77.50 3.00 5665.50
1924 4.00 69.00 136.50 373.50 885.50 909.00 1131.50 1063.00 791.50 402.50 36.50 30.00 5832.50
1925 4.50 40.00 183.50 477.50 728.50 922.50 1256.00 1045.00 723.50 59.00 z 19.50 4.50 5405.00
1926 0.00 42.00 283.00 558.62 a 596.00 927.50 1222.50 1062.50 562.00 422.50 106.00 13.95 a 5796.57
1927 0.00 8.00 104.00 291.00 534.50 896.50 1150.50 1078.50 622.76 a 343.50 38.00 14.00 5081.26
1928 0.50 0.52 a 160.50 262.00 804.00 865.00 1205.00 1029.50 791.50 391.00 53.50 0.00 5563.02
1929 0.00 0.00 143.00 258.00 682.50 795.00 1083.50 1166.00 725.50 490.00 32.50 1.50 5377.50
1930 0.00 24.50 207.18 a 511.50 654.00 780.50 1151.50 1148.00 760.50 301.00 76.00 0.00 5614.68
1931 0.00 13.00 150.50 398.50 786.00 829.00 1160.00 1101.00 684.50 380.50 68.00 0.00 5571.00
1932 0.00 30.00 127.50 419.50 608.50 976.50 976.00 1017.00 823.00 413.00 78.50 22.00 5491.50
1933 12.50 2.00 99.50 360.00 466.00 854.50 1083.00 1103.50 629.50 475.50 85.00 28.00 5199.00
1934 8.78 a 89.00 324.50 649.00 788.00 947.00 1081.00 1153.00 643.00 464.00 123.50 3.50 6274.28
1935 8.00 10.50 68.50 296.00 680.50 828.50 1084.50 1029.50 871.00 358.00 16.50 0.00 5251.50
1936 0.00 10.00 104.50 498.50 831.50 890.50 1116.00 1110.00 732.50 560.50 15.00 13.50 5882.50
1937 0.00 2.50 169.50 299.00 677.50 795.50 1145.00 958.00 858.50 566.50 94.00 11.00 5577.00
1938 0.00 3.00 128.50 439.50 716.00 979.50 1264.50 1053.00 989.50 509.00 62.00 10.00 6154.50
1939 13.00 1.50 213.00 493.00 753.50 816.00 1192.00 1212.50 825.00 444.50 100.00 45.50 6109.50
1940 0.00 19.00 248.00 443.00 808.50 1012.00 1133.00 1144.50 894.50 499.00 24.00 7.50 6233.00
1941 0.00 33.50 321.50 482.50 626.00 817.50 1275.00 1031.00 611.50 378.50 122.00 20.50 5719.50
1942 0.00 4.50 151.00 455.00 578.00 797.50 1172.50 1210.50 911.50 493.00 16.00 1.00 5790.50
1943 0.00 10.50 115.00 460.50 544.00 759.00 1140.00 1016.50 911.50 416.50 60.00 31.50 5465.00
1944 1.50 6.50 105.00 399.00 706.50 855.00 1168.00 1052.00 872.00 651.00 83.65 d 4.00 5904.15
1945 8.50 34.50 102.50 296.00 686.50 829.00 1179.50 1152.00 744.00 534.50 53.00 4.50 5624.50
1946 0.00 10.50 157.00 404.00 753.82 a 779.00 1107.00 1115.00 729.00 331.70 a 16.00 15.50 5418.52
1947 8.00 69.00 291.00 458.50 573.50 l 828.33 c 1086.00 1021.34 c 781.07 b 420.16 c 81.50 0.00 5044.90
1948 1.00 16.50 94.50 239.50 564.00 906.00 991.48 a 967.50 728.50 243.00 j 25.00 0.50 4534.48
1949 0.00 7.50 148.00 464.00 817.50 859.00 1058.50 1070.50 845.50 314.50 193.50 14.50 5793.00
1950 0.00 8.30 a 64.50 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 72.80
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1088.00 839.00 366.50 28.00 7.50 2329.00
1952 0.00 0.50 113.50 455.00 706.00 845.00 1146.00 1068.00 881.50 619.50 44.50 3.50 5883.00
1953 50.50 43.50 185.48 a 329.00 579.70 a 727.00 1120.00 1039.00 825.00 491.00 146.00 18.00 5554.18
1954 12.00 41.50 71.00 276.50 719.50 746.00 1050.50 954.50 742.50 352.00 164.00 5.00 5135.00
1955 0.50 1.00 41.00 188.50 497.50 908.00 1015.50 1084.00 767.50 375.00 26.50 0.00 4905.00
1956 0.00 0.50 85.50 509.00 806.50 775.00 1207.00 1089.50 786.00 355.50 34.50 23.00 5672.00
1957 0.00 26.00 120.50 442.00 806.00 901.50 1018.00 940.50 838.50 351.33 a 51.00 17.00 5512.33
1958 15.50 119.50 122.00 340.50 908.00 995.00 1241.00 1209.00 742.00 451.00 89.00 3.50 6236.00
1959 9.50 2.50 148.00 422.00 543.50 849.00 1191.00 981.50 650.50 347.50 65.50 14.00 5224.50
1960 0.00 10.00 215.50 359.00 542.00 877.50 1261.00 951.50 809.40 e 385.29 c 45.50 2.00 5458.69
1961 28.50 50.50 0.00 z 0.00 z 607.50 1020.00 a 1202.00 1240.50 0.00 z 0.00 z 0.00 z 5.00 4154.00
1962 8.78 a 15.50 111.00 293.50 k 482.50 777.00 1013.50 832.50 777.50 359.00 99.50 9.50 4486.28
1963 3.50 41.50 187.50 286.50 655.00 857.00 969.00 1055.00 864.50 438.50 79.00 0.00 5437.00
1964 1.50 16.50 118.50 302.50 605.00 815.69 a 1063.00 879.50 641.50 390.00 23.00 0.00 4856.69
1965 1.50 21.50 164.00 437.00 605.50 865.50 1081.50 1034.00 603.00 451.50 126.00 2.50 5393.50
1966 0.00 12.50 147.00 406.00 717.50 745.50 966.50 1019.00 829.50 331.00 90.50 9.50 5274.50
1967 13.00 69.00 106.00 228.00 587.00 937.00 1120.00 1203.00 912.00 375.50 88.00 5.00 5643.50
1968 23.50 92.50 239.00 340.00 682.50 860.50 1146.00 907.00 734.00 262.50 37.00 12.00 5336.50
1969 0.00 0.00 153.50 320.50 682.50 945.50 989.00 918.50 716.50 277.50 59.50 0.00 5063.00
1970 0.00 25.50 149.50 202.00 596.50 936.50 1048.50 1002.50 553.50 283.50 63.50 0.00 4861.50
1971 19.50 21.50 21.00 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 41.00
Period of Record Statistics
MEAN 4.76 21.78 148.67 378.21 668.04 858.02 1125.24 1059.64 761.56 416.67 72.79 8.52 5554.36
S.D. 8.83 26.04 66.49 96.12 105.33 81.50 85.58 87.96 103.48 95.19 44.52 10.01 355.86
SKEW 3.06 1.80 0.68 0.23 0.25 0.32 0.05 -0.27 -0.28 0.19 0.80 1.52 0.09
MAX 50.50 119.50 324.50 649.00 908.00 1054.50 1335.07 1240.50 989.50 651.00 193.50 45.50 6274.28
MIN 0.00 0.00 18.00 188.50 466.00 693.62 966.50 832.50 528.50 165.00 15.00 0.00 4856.69
NO YRS 58 58 55 53 53 55 56 57 54 51 55 56 44