COUPEVILLE 1 S, WASHINGTON

Monthly Total Growing Degree Days

(451783)

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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.00 7.50 11.50
1896 5.00 4.00 5.50 0.00 55.00 191.00 349.00 318.00 119.00 34.00 1.00 1.50 1083.00
1897 1.50 0.00 0.00 32.50 129.50 221.00 256.50 402.00 140.50 27.50 0.50 0.00 1211.50
1898 0.00 4.00 0.00 48.00 212.50 309.00 410.00 441.50 274.50 59.00 1.00 1.00 1760.50
1899 0.00 0.00 0.00 4.00 35.50 117.50 357.50 285.00 0.00 z 0.00 z 20.00 p 7.50 807.00
1900 0.00 0.00 11.50 42.00 110.00 252.50 338.50 291.50 189.60 e 39.78 a 3.50 4.81 b 1283.69
1901 0.00 b 6.00 m 0.00 s 12.41 a 95.50 0.00 z 188.50 k 371.00 171.50 158.50 28.00 0.00 836.91
1902 0.57 d 7.00 4.50 p 13.00 121.50 220.50 312.67 b 344.50 141.00 f 103.50 0.00 3.32 c 1126.57
1903 1.60 b 0.00 0.55 c 22.50 b 84.45 b 262.00 261.84 c 326.50 168.50 72.33 a 26.00 2.21 c 1228.49
1904 0.00 a 0.00 0.50 79.50 132.00 226.00 265.50 i 339.45 a 229.00 122.00 h 46.50 g 0.00 m 1006.45
1905 2.50 n 14.50 43.00 75.50 119.50 246.67 c 375.00 339.50 247.00 50.00 13.50 0.00 1524.17
1906 6.50 4.00 27.50 68.50 127.00 212.50 409.00 37.00 z 218.33 c 112.93 c 0.00 y 0.00 z 1186.26
1907 0.00 e 1.00 2.00 19.00 184.50 234.00 346.00 293.00 233.00 93.52 a 22.50 10.33 a 1438.85
1908 0.00 a 0.00 z 2.50 21.50 63.50 199.14 a 351.69 b 176.00 j 180.00 a 40.41 c 34.00 f 0.00 858.74
1909 0.00 1.04 a 0.00 a 18.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 19.04
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 13.95 a 10.00 2.00 25.95
1926 0.00 i 4.15 a 13.50 73.00 147.50 298.85 d 388.00 350.00 159.50 91.00 9.50 1.50 1536.49
1927 0.00 2.50 0.00 21.50 60.50 263.50 397.83 a 323.00 131.38 a 0.00 z 0.00 z 0.00 1200.21
1928 1.60 b 0.00 8.50 11.00 155.00 223.50 400.50 302.50 129.83 a 40.50 8.50 0.00 1281.43
1929 0.00 0.00 0.00 6.00 55.50 190.00 321.50 336.00 199.00 79.50 0.00 0.00 1187.50
1930 0.00 6.50 7.00 54.00 77.00 194.50 307.00 382.50 210.00 27.50 8.50 0.00 1274.50
1931 3.50 0.00 8.00 50.50 162.00 230.50 364.50 346.50 205.00 34.50 4.50 0.00 1409.50
1932 0.00 2.00 3.00 25.50 70.00 240.00 266.50 328.50 205.50 80.00 16.00 0.00 1237.00
1933 0.00 0.00 0.00 13.50 42.00 157.50 284.00 369.00 149.00 50.50 7.50 0.00 1073.00
1934 0.00 0.00 14.00 72.00 128.00 227.50 316.50 373.00 206.50 75.50 14.00 0.00 1427.00
1935 12.40 a 6.00 1.00 4.50 88.50 229.50 334.00 331.00 233.00 61.00 0.00 0.00 1300.90
1936 0.00 0.00 1.00 49.50 135.00 257.50 331.00 379.00 154.50 80.50 8.00 1.00 1397.00
1937 0.00 0.00 13.00 6.50 77.00 241.50 319.00 306.00 213.00 75.00 4.00 0.00 1255.00
1938 0.00 0.00 1.00 27.50 103.50 245.00 354.50 286.50 263.50 40.50 0.00 1.03 a 1323.03
1939 0.00 0.00 0.50 29.00 104.00 0.00 z 326.00 361.50 208.50 47.00 20.00 18.00 1114.50
1940 9.50 0.00 a 6.00 41.00 170.50 281.50 341.50 379.00 270.00 122.00 0.50 2.00 1623.50
1941 0.00 11.50 24.50 60.00 137.50 271.50 457.50 353.00 170.00 63.00 13.50 0.50 1562.50
1942 0.00 0.00 t 2.50 z 16.50 127.00 224.50 399.50 404.50 211.00 80.50 1.00 0.50 1465.00
1943 0.00 1.56 a 3.50 59.48 a 78.50 211.00 304.50 335.50 245.50 96.00 1.03 a 0.00 1336.57
1944 1.00 0.00 1.00 21.50 104.00 218.00 368.50 326.50 275.50 87.50 10.50 3.00 1417.00
1945 0.50 1.00 0.00 13.00 154.50 218.00 344.50 328.00 154.00 65.00 3.50 0.00 1282.00
1946 0.00 0.00 0.00 14.50 147.00 213.50 329.00 317.00 192.50 27.00 0.00 1.00 1241.50
1947 0.00 1.50 4.00 45.50 173.50 252.41 a 339.50 308.45 a 184.00 85.00 0.00 0.00 1393.86
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 275.50 306.50 288.50 163.00 28.00 0.00 0.00 1061.50
1949 0.00 0.00 3.00 9.50 136.50 183.00 270.50 296.50 223.50 20.50 6.50 1.00 1150.50
1950 0.00 1.00 0.00 11.00 46.50 215.50 285.50 315.50 182.00 36.50 10.00 6.00 1109.50
1951 0.00 1.00 0.00 10.50 87.00 252.50 327.00 298.00 199.50 71.00 3.50 0.00 1250.00
1952 0.00 1.00 0.00 10.00 89.50 132.00 294.00 321.00 216.50 80.00 9.00 8.50 1161.50
1953 1.00 0.00 1.00 13.50 92.50 141.50 305.50 331.50 212.00 73.00 19.50 0.00 1191.00
1954 0.00 0.00 0.00 6.50 85.00 161.00 271.00 296.00 224.00 65.50 27.00 0.00 a 1136.00
1955 0.00 0.00 0.00 3.00 33.50 165.50 244.50 282.00 165.50 28.50 6.00 0.00 928.50
1956 0.00 0.00 0.00 38.00 162.50 170.50 372.50 340.48 a 187.00 64.50 0.00 0.00 1335.48
1957 0.00 0.00 1.50 26.00 215.50 281.50 305.50 369.50 338.50 78.00 1.00 0.00 1617.00
1958 2.00 7.00 3.50 28.97 a 263.50 411.00 527.00 483.00 286.50 112.50 6.00 3.50 2134.47
1959 0.00 0.50 0.50 30.50 122.00 273.00 402.48 a 319.50 184.00 52.00 5.50 0.50 1390.48
1960 3.00 0.00 1.50 32.00 110.00 242.00 407.50 341.00 188.00 79.50 0.00 2.00 1406.50
1961 3.00 2.50 2.50 20.50 150.00 317.00 410.50 413.50 227.50 51.50 0.00 0.00 1598.50
1962 0.00 0.00 0.00 21.00 55.00 224.50 354.00 324.50 233.50 47.50 3.50 0.00 1263.50
1963 0.00 23.50 7.00 6.50 161.00 209.50 328.50 353.50 263.00 89.00 0.00 0.00 1441.50
1964 0.00 0.00 4.00 4.50 57.00 137.00 286.50 319.00 149.50 7.00 0.00 0.00 964.50
1965 0.00 0.00 5.00 28.00 65.00 203.50 331.00 333.00 144.00 100.00 21.00 0.00 1230.50
1966 0.00 3.00 4.50 14.00 88.50 206.50 301.00 328.50 261.50 47.00 0.50 1.50 1256.50
1967 1.50 0.00 0.00 1.00 102.50 293.50 335.50 417.00 314.50 103.00 3.00 0.00 1571.50
1968 6.00 3.50 7.00 15.00 131.50 210.50 392.00 337.00 214.50 49.50 11.50 0.00 1378.00
1969 0.00 2.50 11.00 15.00 153.50 320.50 323.00 289.50 226.00 45.97 b 6.00 0.00 1392.97
1970 3.00 0.50 5.50 4.00 81.50 262.00 341.00 343.50 158.50 38.50 11.00 0.00 1249.00
1971 0.00 1.00 1.00 19.00 81.50 163.00 327.50 407.00 183.50 72.00 0.50 0.00 1256.00
1972 0.00 0.00 18.50 12.00 163.00 214.50 338.50 350.50 148.00 24.50 7.00 0.00 1276.50
1973 1.00 0.50 0.00 5.00 110.50 223.50 312.50 299.50 243.50 36.50 5.00 0.00 1237.50
1974 0.50 0.00 7.00 11.00 64.50 207.00 275.50 352.50 291.00 59.50 4.50 1.00 1274.00
1975 0.00 0.00 0.00 z 0.00 88.50 178.50 329.50 285.00 199.00 56.00 15.00 0.50 1152.00
1976 0.50 0.00 0.00 42.00 75.50 146.50 300.00 270.50 229.00 47.50 6.50 3.00 1121.00
1977 0.50 4.50 0.50 33.50 65.00 215.00 289.50 421.00 161.50 23.00 6.00 1.50 1221.50
1978 0.00 3.50 4.00 20.50 70.50 301.00 350.50 355.50 192.00 56.50 2.00 0.00 1356.00
1979 0.00 0.00 6.00 31.50 132.00 209.00 369.50 337.50 291.00 75.50 0.00 3.50 1455.50
1980 1.50 8.50 0.00 31.50 95.58 a 172.00 291.00 300.00 172.00 78.50 27.00 15.00 1192.58
1981 10.50 1.50 7.50 38.00 103.00 179.00 322.50 408.00 213.50 19.50 16.50 0.00 1319.50
1982 0.00 3.00 0.00 11.00 77.00 289.00 285.00 324.50 225.00 41.50 1.50 0.00 1257.50
1983 1.00 14.00 12.00 24.50 179.00 233.50 309.00 361.50 178.50 38.50 5.50 0.00 a 1357.00
1984 3.00 1.50 4.00 19.50 80.00 187.50 307.50 353.50 193.50 78.50 0.50 0.00 1229.00
1985 0.00 0.00 0.00 22.00 117.00 210.00 385.50 336.50 145.00 55.80 a 2.00 0.00 1273.80
1986 4.50 14.50 13.50 3.00 112.00 247.50 272.00 400.50 211.50 73.50 1.00 0.00 1353.50
1987 2.50 4.00 13.00 40.50 119.50 255.00 305.50 331.00 233.50 79.50 34.50 0.00 1418.50
1988 1.50 1.00 0.00 20.50 124.00 201.50 320.50 340.00 197.00 95.50 12.00 1.00 1314.50
1989 0.00 0.00 0.00 65.00 103.00 266.50 318.50 330.50 241.00 60.00 12.00 4.50 1401.00
1990 0.00 0.00 8.00 32.50 115.00 217.50 394.50 421.00 267.00 48.50 21.50 0.00 1525.50
1991 2.00 4.50 0.00 16.50 107.00 174.00 348.50 354.00 240.00 64.00 8.50 1.00 1320.00
1992 9.00 11.50 8.50 69.50 174.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 273.00
1993 0.00 z 0.00 0.00 z 0.00 z 240.00 258.00 318.00 360.50 167.00 74.00 2.00 0.00 1419.50
1994 2.00 2.00 18.50 39.00 159.50 248.00 0.00 z 0.00 z 53.50 w 0.00 z 0.00 1.55 a 470.55
1995 2.00 4.15 a 11.50 0.00 z 190.00 284.00 406.00 0.00 z 289.50 62.52 a 31.50 0.00 1281.16
1996 1.03 a 1.50 12.92 a 52.50 0.00 z 0.00 z 346.50 351.50 146.50 45.00 7.50 0.00 964.95
1997 0.00 0.00 2.50 19.50 194.50 238.50 341.00 408.50 274.00 72.50 10.00 0.00 1561.00
1998 0.00 3.00 24.00 35.50 141.00 263.50 473.00 392.00 153.00 o 82.50 11.00 0.00 i 1425.50
1999 0.00 0.00 3.00 44.00 104.00 192.00 314.65 a 350.00 250.00 46.00 10.00 0.00 1313.65
2000 0.00 0.00 c 0.00 46.00 114.50 243.00 364.50 375.50 251.00 70.86 c 1.03 a 0.00 a 1466.39
2001 0.00 0.00 5.50 45.00 146.00 217.50 0.00 z 376.00 279.83 a 58.00 19.50 0.00 1147.33
2002 6.00 0.00 2.50 37.00 137.00 318.50 389.50 397.50 261.00 64.00 20.50 0.50 1634.00
2003 2.00 0.00 16.00 41.50 167.50 346.50 472.50 435.50 342.00 146.00 1.00 0.00 1970.50
2004 0.00 2.50 27.00 145.00 214.00 331.50 485.00 450.00 247.50 116.00 10.50 0.50 2029.50
2005 22.00 1.00 21.00 104.00 259.00 287.50 410.50 427.50 269.00 123.50 0.00 13.00 1938.00
2006 1.00 0.00 9.50 37.00 150.00 326.50 419.00 373.50 283.00 74.50 18.00 0.00 1692.00
2007 1.00 1.50 12.50 50.00 162.00 230.50 440.00 388.00 223.00 55.00 6.00 4.00 1573.50
2008 0.00 0.00 1.50 14.00 141.50 187.50 316.50 386.50 219.50 66.50 29.50 0.00 1363.00
2009 0.00 0.00 0.50 34.00 147.00 315.50 450.00 383.50 280.00 77.50 2.50 0.00 1690.50
2010 4.00 1.50 11.50 45.50 110.50 234.50 384.50 359.50 246.50 84.00 13.00 0.00 1495.00
2011 0.50 0.00 6.00 4.00 82.50 219.50 330.50 372.00 288.50 56.00 3.00 0.00 1362.50
2012 0.50 0.00 0.50 51.00 137.00 168.00 285.50 380.50 237.00 57.00 25.50 0.00 1342.50
2013 0.00 0.00 5.50 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 5.50
Period of Record Statistics
MEAN 1.46 2.13 5.79 29.94 120.54 232.00 345.11 350.83 215.95 64.57 8.35 1.45 1372.23
S.D. 3.18 3.91 7.68 23.97 47.83 51.43 54.78 42.92 48.59 28.01 8.66 3.19 218.71
SKEW 3.82 2.95 2.08 1.67 0.64 0.47 0.83 0.52 0.25 0.64 1.14 3.20 1.23
MAX 22.00 23.50 43.00 145.00 263.50 411.00 527.00 483.00 342.00 158.50 34.50 18.00 2134.47
MIN 0.00 0.00 0.00 0.00 33.50 117.50 244.50 270.50 119.00 7.00 0.00 0.00 928.50
NO YRS 98 98 96 98 98 96 95 95 95 96 96 98 80