LEWISTON WATER PLANT, IDAHO

Monthly Total Growing Degree Days

(105236)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195512
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 14.50 122.50 383.00 649.00 745.50 1062.50 1076.00 622.00 350.00 202.24 a 8.50 5235.74
1895 7.00 85.50 165.50 450.50 595.50 824.48 a 1036.50 1015.00 555.00 385.95 a 18.50 n 2.50 u 5120.93
1896 52.50 108.00 218.50 317.59 a 497.60 b 826.67 c 1157.73 e 812.50 g 0.00 z 0.00 z 74.00 h 61.00 3239.59
1897 26.00 38.50 57.50 449.00 882.31 e 788.57 b 909.50 1192.98 a 0.00 z 0.00 z 86.90 a 0.00 z 4431.26
1898 0.00 121.50 27.00 i 437.07 a 574.50 790.00 1197.00 1165.00 842.00 0.00 z 65.00 14.50 5206.57
1899 58.00 10.00 99.50 335.50 571.00 781.50 0.00 z 1098.50 712.50 467.00 267.00 42.00 4442.50
1900 89.00 64.50 271.00 397.00 612.77 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1434.27
1901 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
1902 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
1903 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
1904 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
1905 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1908 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
1909 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
1910 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
1911 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
1912 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 115.00 135.00 361.00 568.00 788.50 877.50 1135.50 1082.50 641.00 425.00 227.00 27.50 6383.50
1935 36.00 38.50 110.00 286.50 612.00 868.50 1129.00 1048.00 843.50 390.00 8.50 7.00 5377.50
1936 22.50 13.00 139.50 497.50 806.00 949.50 1202.00 1099.00 695.00 424.00 6.00 27.50 5881.50
1937 0.00 11.50 221.50 315.00 670.50 842.50 1225.00 1022.50 828.00 469.50 163.00 25.50 5794.50
1938 25.00 28.50 154.00 358.50 610.50 922.00 1241.50 1073.00 984.00 496.00 91.50 44.00 6028.50
1939 22.00 19.50 192.00 459.00 735.50 806.50 1215.50 1179.50 826.00 416.00 65.50 110.00 6047.00
1940 20.00 90.00 276.50 454.00 753.50 1013.50 1192.00 1135.00 856.00 501.00 59.00 28.50 6379.00
1941 16.50 51.00 282.50 452.07 a 685.00 819.50 1237.00 1062.00 612.50 338.50 113.00 43.00 5712.57
1942 0.00 16.00 131.00 450.00 556.00 698.00 1162.50 1155.50 765.00 443.00 84.00 27.50 5488.50
1943 7.50 54.00 121.00 434.00 519.00 692.00 1103.00 1010.50 828.62 a 478.50 63.50 30.00 5341.62
1944 15.50 19.00 109.00 437.50 701.00 804.64 b 1103.00 1004.00 868.00 532.50 120.00 31.00 5745.14
1945 37.50 76.50 136.00 308.00 665.00 761.00 1143.00 1072.00 616.50 422.00 76.50 27.50 5341.50
1946 16.00 40.00 204.50 428.50 670.00 771.50 1091.00 1092.50 690.50 259.00 57.00 59.00 5379.50
1947 18.00 66.50 293.50 428.79 a 797.22 a 785.50 1083.50 999.50 758.00 471.00 0.00 z 37.50 5739.01
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 949.50 942.50 713.00 374.00 79.00 3.50 f 3058.00
1949 0.00 28.00 182.00 488.00 726.00 841.00 1047.50 1072.00 766.00 267.00 178.00 31.00 5626.50
1950 2.50 32.00 140.00 330.00 574.50 780.00 a 1057.50 1076.22 a 758.50 461.79 b 153.00 90.50 5456.51
1951 25.00 43.00 123.00 393.50 642.00 753.00 1102.50 1009.00 768.62 a 376.50 81.50 16.50 5334.12
1952 5.00 i 62.50 137.36 b 499.50 689.75 a 803.00 1080.00 1060.00 816.50 495.00 63.00 19.00 5725.61
1953 149.00 86.00 197.00 361.50 544.00 684.50 1072.00 1061.00 838.50 462.00 159.50 57.50 5672.50
1954 20.50 113.50 119.00 362.00 653.00 717.50 1072.50 938.50 747.50 353.00 181.00 11.50 5289.50
1955 1.50 30.50 62.00 255.50 528.50 867.50 1044.50 1076.50 760.00 440.50 70.00 31.00 5168.00
Period of Record Statistics
MEAN 30.10 53.46 171.37 404.89 653.93 807.98 1113.06 1067.36 758.18 419.95 108.83 36.34 5655.13
S.D. 36.64 36.38 74.77 73.82 96.08 76.59 82.50 63.87 97.80 69.90 66.03 24.24 359.13
SKEW 1.94 0.70 0.76 -0.09 0.44 0.67 -0.41 0.02 -0.11 -0.70 0.68 1.51 0.71
MAX 149.00 135.00 361.00 568.00 882.31 1013.50 1241.50 1192.98 984.00 532.50 267.00 110.00 6383.50
MIN 0.00 10.00 57.50 255.50 497.60 684.50 909.50 938.50 555.00 259.00 6.00 7.00 5168.00
NO YRS 26 28 27 28 28 27 27 27 26 25 25 25 19