CLEARWATER, WASHINGTON

Monthly Total Growing Degree Days

(451496)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1895 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 168.00 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1896 0.00 z 18.00 h 0.00 z 0.00 z 42.50 166.50 368.00 383.50 164.00 65.50 0.00 1.00 1191.00
1897 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 219.64 b 39.50 y 0.00 z 0.00 z 219.64
1898 0.00 2.00 1.50 27.00 130.00 265.50 357.50 423.50 266.00 62.52 a 0.00 0.00 1535.52
1899 0.00 0.00 0.00 z 0.00 z 17.50 v 127.00 327.00 279.00 250.50 42.50 35.00 1.00 1062.00
1900 1.00 0.00 21.50 44.50 139.50 255.50 348.00 323.00 171.50 43.00 0.00 f 1.00 j 1347.50
1901 0.00 2.59 a 0.00 4.50 63.50 125.17 a 205.00 380.55 b 143.00 175.48 c 13.00 0.00 1112.80
1902 0.50 0.00 y 0.50 m 5.00 111.00 186.00 286.75 a 319.50 165.50 88.41 d 0.00 b 2.00 g 1162.66
1903 0.00 0.00 a 0.00 14.46 b 82.50 266.67 c 262.98 a 328.50 188.00 81.00 11.50 0.00 1235.61
1904 0.00 a 0.00 0.53 b 82.50 71.82 a 152.07 a 300.50 295.50 236.50 86.28 a 17.07 a 0.00 1242.77
1905 0.00 1.00 16.50 48.00 91.50 205.50 309.48 a 289.16 b 217.50 24.00 11.50 0.50 1214.64
1906 1.50 0.00 10.00 66.00 59.50 206.54 d 511.50 418.00 245.00 120.50 11.38 a 0.00 1649.92
1907 0.00 a 1.08 b 0.00 32.50 150.19 b 259.50 398.19 b 321.50 263.57 b 0.00 z 18.50 1.50 1446.53
1908 0.00 a 0.00 b 0.00 b 19.00 0.00 z 0.00 z 39.00 z 0.00 z 0.00 z 17.05 a 7.50 p 0.00 b 36.05
1909 0.00 d 0.00 0.00 0.00 a 42.88 a 56.00 q 156.50 j 202.00 148.00 38.50 3.21 b 0.00 z 434.60
1910 0.00 0.00 a 6.50 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 6.50
1911 0.00 z 0.00 z 0.00 z 0.00 z 34.50 x 160.34 a 361.67 a 331.38 b 150.54 b 59.50 1.50 0.00 h 1064.93
1912 0.00 0.00 0.00 j 3.00 111.60 a 126.50 250.50 263.50 a 235.00 41.50 1.50 0.00 g 1033.10
1913 0.00 c 0.00 0.00 21.00 63.50 207.00 317.50 346.88 b 224.50 41.00 7.00 0.00 1228.38
1914 1.50 2.50 13.50 20.50 116.77 a 137.50 272.91 c 65.00 v 161.11 c 148.80 a 6.72 a 0.00 881.81
1915 0.00 a 0.00 36.00 31.00 105.00 184.00 279.00 e 256.00 h 196.61 b 84.50 0.00 b 0.00 c 916.11
1916 0.00 8.50 0.00 z 0.52 a 25.83 a 120.00 b 0.00 z 27.00 z 185.00 c 8.50 0.00 a 0.00 c 348.35
1917 0.00 0.00 0.00 0.00 24.80 a 98.79 a 179.05 b 211.00 205.00 c 83.91 b 45.00 0.00 z 847.56
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1935 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1936 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1937 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1938 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1939 0.00 z 0.00 z 0.00 z 0.00 z 71.50 i 124.00 264.00 327.00 236.50 68.00 10.50 8.50 1038.50
1940 5.50 0.00 9.00 36.00 139.50 198.50 287.00 347.50 305.50 149.00 0.00 0.00 z 1477.50
1941 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 38.00 z 445.22 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 445.22
1943 0.00 z 0.00 z 0.00 z 0.00 z 5.00 m 77.68 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 77.68
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1945 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1947 0.00 z 0.00 z 22.50 37.50 112.50 180.00 256.00 213.79 b 0.00 z 0.00 z 0.00 z 0.00 z 822.29
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 235.50 218.00 265.00 172.50 50.00 f 0.00 0.00 891.00
1949 0.00 0.00 2.50 14.00 103.00 90.50 180.50 265.50 231.00 13.71 e 27.69 d 1.55 a 929.95
1950 0.00 0.00 0.00 14.00 30.00 220.00 229.00 285.00 182.50 71.50 13.00 17.00 1062.00
1951 0.00 1.00 0.00 13.50 88.00 172.50 285.00 219.50 206.00 92.50 6.00 0.00 1084.00
1952 0.00 0.00 0.00 11.50 94.50 86.50 271.00 294.00 251.50 176.50 11.00 5.50 1202.00
1953 1.50 0.00 2.50 18.00 90.00 103.50 254.00 332.00 232.00 125.00 18.00 0.00 1176.50
1954 0.00 0.00 0.00 1.00 65.50 108.50 178.00 240.00 224.00 93.50 39.00 0.00 949.50
1955 0.00 0.00 0.50 0.50 15.50 146.50 208.00 179.50 172.50 65.00 14.50 0.00 802.50
1956 0.00 0.00 1.00 39.50 119.00 134.00 237.00 g 297.50 202.50 60.00 6.00 0.00 859.50
1957 0.00 0.00 2.00 27.00 111.50 192.00 212.50 238.00 338.00 109.00 18.50 2.00 1250.50
1958 2.50 22.00 2.00 10.50 176.50 355.50 382.50 309.50 241.50 110.00 5.50 8.50 1626.50
1959 0.00 0.00 1.00 21.00 69.75 c 149.50 303.50 193.23 a 151.00 62.52 a 5.00 0.00 956.50
1960 0.00 0.00 2.00 23.50 46.50 81.00 252.00 245.50 194.00 57.00 0.50 0.00 902.00
1961 0.00 c 3.00 1.50 15.00 76.98 a 228.50 344.00 358.50 181.50 60.50 0.00 0.00 1269.48
1962 0.00 4.50 0.00 31.00 30.50 130.00 228.00 290.50 211.50 99.50 31.00 13.00 1069.50
1963 0.00 18.50 0.00 14.50 122.00 164.50 291.50 314.50 356.00 0.00 z 3.50 1.50 1286.50
1964 0.50 0.00 11.50 1.50 48.50 195.00 250.50 312.50 203.50 142.00 13.50 0.50 1179.50
1965 0.00 1.56 a 2.00 40.00 39.50 136.50 322.50 343.00 171.50 139.50 31.00 1.00 1228.06
1966 0.00 0.50 8.50 29.00 84.50 194.00 255.50 278.00 275.00 83.50 6.50 3.00 p 1215.00
1967 0.00 0.00 0.00 1.50 102.50 260.50 326.00 427.00 363.00 114.50 14.00 0.00 1609.00
1968 12.00 17.50 5.50 8.00 93.00 138.00 312.00 310.50 225.50 42.50 11.00 0.00 1175.50
1969 0.00 0.00 4.50 12.00 141.00 293.50 263.00 231.50 212.00 59.50 16.00 0.00 1233.00
1970 1.50 9.50 5.50 1.00 59.50 224.50 246.00 259.50 164.00 69.50 11.50 0.00 1052.00
1971 0.00 1.00 0.00 15.50 82.00 105.00 325.00 356.00 166.50 108.50 6.00 0.00 1165.50
1972 0.00 0.00 16.50 6.00 138.50 176.50 328.00 329.00 151.00 37.00 2.00 5.00 1189.50
1973 0.50 0.50 0.00 4.50 n 67.50 n 0.00 z 281.77 c 181.35 a 228.50 44.00 6.50 0.00 743.12
1974 0.00 0.00 1.50 19.00 26.00 128.04 b 236.00 276.50 288.50 57.00 5.00 0.00 c 1037.54
1975 0.00 a 0.00 4.00 0.00 76.50 121.50 293.90 e 242.50 243.00 52.00 5.50 1.50 1040.40
1976 2.50 0.00 0.00 24.50 64.00 106.50 0.00 z 259.00 241.50 134.50 12.50 1.00 846.00
1977 2.50 14.00 0.00 a 0.00 z 0.00 z 0.00 z 139.50 f 347.50 183.00 39.50 2.50 1.03 a 590.03
1978 4.50 6.50 6.50 12.50 54.00 0.00 z 284.50 266.50 166.00 91.50 1.00 0.00 893.50
1979 0.00 0.00 z 0.00 z 22.00 46.00 h 110.00 c 312.50 303.50 0.00 z 0.00 z 0.00 d 3.62 a 751.62
1980 0.00 z 0.00 z 7.23 a 47.50 87.50 169.00 321.00 273.00 252.00 112.00 42.00 22.00 1333.23
1981 16.50 2.50 8.00 38.50 120.50 191.00 311.50 404.50 273.50 45.50 20.50 0.00 1432.50
1982 0.00 0.00 3.50 8.50 65.50 229.50 269.50 343.50 290.00 99.50 0.00 0.00 1309.50
1983 2.00 4.00 8.50 54.00 163.50 211.50 327.00 355.50 203.50 40.00 13.00 0.00 1382.50
1984 2.50 0.00 7.00 21.50 60.00 158.00 294.50 306.50 221.00 62.00 0.00 0.00 1133.00
1985 0.00 0.00 0.00 44.00 141.50 208.50 383.50 332.50 193.00 42.50 3.50 0.00 1349.00
1986 0.50 4.00 18.00 6.00 107.00 284.50 259.50 414.00 200.00 121.00 6.50 0.00 1421.00
1987 0.00 0.00 z 12.50 74.00 129.00 210.50 280.00 317.50 244.50 113.50 49.50 0.00 1431.00
1988 0.50 7.00 0.00 31.50 103.00 165.00 301.50 314.00 198.00 139.50 11.00 0.00 1271.00
1989 0.00 0.00 0.00 66.00 111.00 236.00 267.00 300.00 246.50 96.50 4.00 21.00 1348.00
1990 0.00 0.00 6.00 45.00 87.00 202.00 367.00 390.50 286.50 23.50 11.00 0.00 1418.50
1991 0.00 9.00 1.50 20.50 71.00 145.00 329.50 280.00 276.00 103.50 16.50 3.50 1256.00
1992 4.00 18.00 22.00 70.50 174.00 285.50 345.50 343.00 190.50 90.00 3.50 0.00 1546.50
1993 0.00 13.00 2.50 17.50 215.50 205.50 256.00 336.50 179.00 92.00 0.00 0.50 1318.00
1994 1.00 0.00 11.50 33.00 117.00 160.50 272.00 302.00 284.50 52.00 0.00 0.00 1233.50
1995 7.00 10.00 8.50 38.00 116.00 200.50 372.50 261.00 306.00 65.00 32.50 3.00 1420.00
1996 3.50 3.00 13.50 55.00 65.00 171.00 351.00 331.00 167.00 73.00 2.00 0.00 1235.00
1997 2.50 0.00 3.50 17.00 181.00 218.00 317.00 396.50 318.00 95.50 10.00 0.00 1559.00
1998 6.50 4.00 19.00 33.50 113.50 211.50 372.50 315.50 210.50 71.50 11.50 0.00 1369.50
1999 0.00 c 0.00 d 0.52 a 22.50 39.27 a 157.50 252.13 a 323.00 165.50 31.52 a 10.71 b 0.50 1003.15
2000 0.00 b 0.00 1.00 35.17 a 49.60 a 193.50 287.50 263.50 216.50 45.47 a 1.00 1.00 1094.24
2001 0.50 0.00 0.50 23.00 73.37 a 117.86 b 221.50 295.00 187.00 44.95 a 16.67 c 0.00 b 980.34
2002 2.07 a 0.00 c 0.00 a 9.31 a 46.50 d 199.66 a 334.91 c 290.76 b 187.50 53.00 15.00 a 0.00 d 1138.70
2003 5.00 0.00 13.95 a 24.83 a 97.43 c 240.52 a 346.17 a 213.00 h 241.00 134.69 b 0.00 z 0.00 f 1103.58
2004 1.50 0.00 18.08 a 54.83 a 102.96 c 219.64 b 415.29 b 411.00 212.50 109.50 8.00 0.00 1553.31
2005 19.00 3.50 20.50 60.50 218.50 231.00 e 314.00 373.00 135.50 84.50 0.00 10.50 1470.50
2006 2.50 0.50 2.00 20.00 122.50 247.50 349.00 267.00 204.50 48.50 16.00 0.00 h 1280.00
2007 0.00 2.00 5.00 24.23 d 68.50 176.50 357.00 328.00 193.00 50.52 d 3.00 0.00 h 1207.75
2008 0.00 e 0.00 0.50 10.50 114.00 122.00 271.00 343.50 223.50 52.50 13.45 a 0.00 1150.95
2009 0.00 0.00 2.50 12.00 67.00 235.50 368.00 316.50 307.50 72.00 0.00 e 0.00 1381.00
2010 6.50 3.00 6.00 20.50 24.00 183.50 282.50 291.50 276.00 88.00 13.50 1.50 1196.50
2011 0.00 c 0.00 g 0.00 1.00 22.73 a 177.00 272.50 317.75 a 291.72 a 68.72 a 0.00 0.00 1151.42
2012 1.55 a 2.32 d 2.07 a 27.41 a 68.00 80.00 k 283.00 369.00 212.50 60.00 17.00 0.00 1042.85
2013 0.00 0.00 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 0.00
Period of Record Statistics
MEAN 1.45 2.54 5.55 24.78 90.95 180.52 298.98 307.99 220.97 77.38 10.58 1.83 1238.96
S.D. 3.27 4.89 7.27 19.28 43.93 55.84 59.41 56.18 50.28 36.93 11.14 4.47 195.32
SKEW 3.57 2.37 1.69 0.92 0.60 0.36 0.53 -0.05 0.68 0.58 1.55 3.19 0.18
MAX 19.00 22.00 36.00 82.50 218.50 355.50 511.50 427.00 363.00 176.50 49.50 22.00 1649.92
MIN 0.00 0.00 0.00 0.00 15.50 77.68 178.00 179.50 135.50 8.50 0.00 0.00 802.50
NO YRS 85 80 80 81 80 83 83 83 86 83 84 76 56