WATERVILLE, WASHINGTON

Monthly Total Growing Degree Days

(459012)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1893 0.00 0.00 0.00 j 0.52 a 90.50 183.00 470.00 541.00 231.72 a 3.00 0.00 0.00 1519.74
1894 0.00 0.00 a 0.00 y 17.50 166.50 252.50 554.50 603.50 146.50 15.50 0.00 0.00 1756.50
1895 0.00 0.00 1.50 0.00 z 99.72 a 344.00 483.50 479.47 a 89.00 75.50 0.00 0.00 1572.68
1896 0.00 0.00 0.00 0.00 66.00 325.50 536.00 545.00 162.50 31.50 0.00 0.00 1666.50
1897 0.00 0.00 0.00 69.50 321.00 243.00 346.00 607.00 170.00 49.00 0.00 0.00 1805.50
1898 0.00 0.00 0.00 28.50 65.50 k 241.00 505.50 56.50 z 236.50 i 0.00 x 0.00 0.00 775.00
1899 1.50 0.00 0.00 5.00 51.50 288.50 590.00 340.00 316.00 6.00 0.00 0.00 1598.50
1900 0.00 0.00 0.00 41.50 186.50 456.00 563.50 357.50 188.00 6.00 0.00 0.00 1799.00
1901 0.00 0.00 0.00 4.50 149.83 a 186.50 479.50 668.50 118.50 123.50 0.00 a 0.00 1730.83
1902 0.00 0.00 0.00 9.00 166.50 243.50 444.50 521.00 182.00 52.50 0.00 0.00 1619.00
1903 0.00 0.00 0.00 5.17 a 136.00 477.00 463.00 479.00 146.00 23.00 0.00 0.00 1729.17
1904 0.00 0.00 0.00 23.50 122.50 345.00 533.20 a 602.00 289.50 37.00 0.00 a 0.00 1952.70
1905 0.00 0.00 0.00 46.50 106.50 305.36 b 588.50 475.50 252.00 2.00 0.00 0.00 1776.36
1906 0.00 0.00 0.00 98.28 a 160.54 c 189.50 754.50 541.00 303.50 92.00 0.00 0.00 2139.31
1907 0.00 0.00 0.00 l 7.50 191.50 230.00 512.50 250.00 i 249.11 b 112.12 a 0.00 0.00 1302.72
1908 0.00 0.00 0.00 34.14 a 40.00 i 222.00 h 574.00 0.00 z 295.80 e 28.02 e 0.58 d 0.00 c 932.53
1909 0.00 b 0.00 g 0.00 k 0.00 k 78.69 e 0.00 z 0.00 z 212.00 q 326.67 c 32.55 a 0.00 a 0.00 b 437.91
1910 0.00 a 0.00 5.50 0.00 z 248.52 a 235.18 b 552.00 364.50 h 210.00 c 46.00 0.00 c 0.00 b 1297.20
1911 0.00 0.00 16.00 21.50 66.50 323.28 a 579.50 464.00 134.48 a 37.20 a 0.50 g 0.00 j 1642.46
1912 0.00 c 0.00 b 0.00 4.00 155.55 c 357.00 436.14 b 376.13 a 127.76 a 8.27 a 0.00 l 0.00 a 1464.85
1913 0.00 b 0.00 0.00 b 28.97 a 141.88 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 170.85
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 187.50 35.50 0.00 h 0.00 223.00
1915 0.00 0.00 5.50 68.50 104.00 303.50 486.50 675.50 215.00 19.50 0.00 0.00 1878.00
1916 0.00 b 0.00 0.00 b 26.00 87.00 251.50 349.50 515.00 274.00 42.50 0.00 0.00 1545.50
1917 0.00 0.00 0.00 0.00 113.00 242.00 565.00 605.50 296.00 138.50 0.00 0.00 1960.00
1918 0.00 0.00 2.50 55.00 110.50 425.00 554.00 426.50 459.00 64.50 0.00 0.00 2097.00
1919 0.00 0.00 0.00 27.00 90.50 198.50 585.50 569.50 260.50 46.00 0.00 0.00 1777.50
1920 0.00 z 0.00 z 0.00 z 0.00 z 36.00 g 79.50 u 581.50 545.00 211.50 22.00 0.00 0.00 1360.00
1921 0.00 0.00 0.00 10.00 156.00 317.50 462.00 504.00 89.48 a 66.50 0.00 0.00 a 1605.48
1922 0.00 0.00 0.00 1.50 117.00 494.00 622.07 a 563.00 316.00 58.50 0.00 0.00 2172.07
1923 0.00 a 0.00 10.00 37.00 129.00 283.50 607.08 a 574.50 346.50 60.00 0.00 0.00 2047.58
1924 0.00 0.00 0.00 18.00 335.50 334.00 568.50 523.50 283.50 17.00 0.00 0.00 c 2080.00
1925 0.00 0.00 0.50 60.50 190.50 378.00 667.00 486.50 275.00 22.00 0.00 0.00 2080.00
1926 0.00 0.00 6.00 152.50 109.50 428.79 a 664.50 482.00 133.50 3.00 0.00 z 0.00 z 1979.79
1927 0.00 0.00 0.00 38.50 71.00 374.50 560.00 538.50 182.00 36.00 0.00 0.00 1800.50
1928 0.00 0.00 0.00 a 13.00 262.50 319.00 634.50 520.00 301.50 25.83 a 0.00 0.00 2076.33
1929 0.00 b 0.00 1.50 29.50 133.00 287.07 a 517.00 608.50 237.50 72.00 0.00 0.00 1886.07
1930 0.00 b 0.00 12.50 44.00 96.00 217.50 549.50 591.00 305.50 56.00 0.00 0.00 1872.00
1931 0.00 b 0.00 0.00 48.00 240.50 300.00 565.50 540.50 189.50 34.50 0.00 0.00 1918.50
1932 0.00 0.00 3.50 23.00 91.50 353.50 396.50 487.00 292.00 76.00 0.00 0.00 1723.00
1933 0.00 0.00 a 0.00 53.00 59.00 276.00 526.00 545.00 151.50 89.00 3.50 0.00 1703.00
1934 0.00 0.00 6.00 172.00 219.50 342.50 515.50 574.00 220.00 100.50 0.00 a 0.00 2150.00
1935 0.00 a 0.00 0.00 18.00 118.50 273.50 486.50 423.50 356.00 131.23 a 0.00 0.00 1807.23
1936 0.00 0.00 0.00 104.50 288.50 306.00 518.50 543.00 242.50 103.00 0.00 0.00 2106.00
1937 0.00 0.00 0.00 6.00 106.00 272.00 548.00 338.50 303.50 55.80 a 0.00 0.00 a 1629.80
1938 0.00 0.00 0.00 23.00 153.50 363.50 618.00 392.00 395.50 34.00 0.00 0.00 1979.50
1939 0.00 0.00 7.50 45.00 169.00 209.50 523.00 553.50 262.00 56.50 0.00 0.00 1826.00
1940 0.00 0.00 0.00 0.00 z 166.50 373.00 516.00 485.00 344.50 59.50 0.00 0.00 1944.50
1941 0.00 0.00 11.50 64.00 119.00 251.00 596.00 440.00 83.50 2.00 0.00 0.00 1567.00
1942 0.00 0.00 0.00 28.00 85.50 177.50 523.00 540.00 286.50 52.00 0.00 0.00 1692.50
1943 0.00 0.00 0.00 65.50 62.00 169.00 467.50 384.50 326.00 120.00 0.00 0.00 1594.50
1944 0.00 0.00 0.50 19.50 155.00 263.00 490.50 408.50 332.50 122.00 0.00 0.00 a 1791.50
1945 0.00 0.00 0.00 13.00 131.00 205.00 522.00 496.50 197.50 130.50 7.00 0.00 1702.50
1946 0.00 0.00 0.00 28.50 193.50 195.50 476.00 478.00 0.00 z 8.50 0.00 0.00 1380.00
1947 0.00 0.00 18.50 53.50 260.50 232.00 471.00 430.50 262.50 52.18 a 0.00 0.00 1780.68
1948 0.00 0.00 0.50 6.72 a 96.50 391.00 384.00 370.00 230.00 15.00 0.00 0.00 1493.72
1949 0.00 0.00 0.00 61.00 274.00 283.50 463.50 471.00 305.50 4.00 2.50 0.00 a 1865.00
1950 0.00 0.00 0.00 0.00 85.50 271.50 496.50 539.00 334.00 5.50 0.00 a 0.00 1732.00
1951 0.00 b 0.00 0.00 28.50 115.50 289.50 513.50 473.50 278.50 54.00 0.00 0.00 b 1753.00
1952 0.00 a 0.00 0.00 a 57.50 180.00 249.50 542.50 510.50 356.00 164.50 0.00 0.00 2060.50
1953 0.00 0.00 z 0.00 14.50 78.50 150.00 506.00 475.00 291.21 a 51.50 0.00 0.00 1566.71
1954 0.00 0.00 0.00 3.50 160.50 179.00 449.50 383.50 223.00 10.50 0.00 b 0.00 1409.50
1955 0.00 0.00 0.00 0.00 40.00 324.00 461.50 535.50 284.50 22.50 0.00 0.00 1668.00
1956 0.00 0.00 0.00 49.00 269.18 a 213.00 614.00 516.00 275.00 40.50 0.00 0.00 a 1976.68
1957 0.00 0.00 0.00 38.50 256.00 312.50 443.50 389.50 373.00 15.50 0.00 0.00 a 1828.50
1958 0.00 0.00 0.00 6.50 344.74 b 447.00 661.00 638.50 220.50 74.50 0.00 0.00 2392.74
1959 0.00 0.00 0.00 10.50 57.00 116.00 563.50 374.00 121.00 26.00 0.00 e 0.00 1268.00
1960 0.00 a 0.00 3.00 38.00 78.50 303.00 634.00 367.50 214.50 32.50 g 0.00 0.00 1638.50
1961 0.00 0.00 0.50 2.00 116.00 428.50 0.00 z 645.00 189.00 0.00 0.00 0.00 1381.00
1962 0.00 0.00 0.00 6.50 30.50 230.00 470.00 444.00 222.50 30.00 0.00 0.00 a 1433.50
1963 0.00 0.00 0.00 z 0.00 z 0.00 z 337.78 c 439.50 505.50 376.00 68.00 0.00 0.00 1726.78
1964 0.00 0.00 2.00 3.50 114.00 281.50 483.00 351.00 149.00 25.00 0.00 0.00 1409.00
1965 0.00 0.00 0.00 28.00 126.50 342.86 b 581.52 b 559.07 b 219.50 58.00 0.00 0.00 a 1915.44
1966 0.00 0.00 3.00 29.00 230.00 253.00 495.50 537.00 373.00 39.00 0.00 0.00 1959.50
1967 0.00 0.00 0.00 0.00 120.00 408.50 603.00 690.50 431.00 21.50 0.00 0.00 2274.50
1968 0.00 0.00 0.50 20.50 138.00 315.00 614.50 403.00 273.50 10.50 0.00 z 0.00 1775.50
1969 0.00 0.00 0.00 9.00 262.00 495.50 486.50 425.50 192.41 a 6.00 0.00 0.00 1876.91
1970 0.00 0.00 0.00 0.00 163.00 440.69 a 596.00 553.50 144.00 54.50 0.00 0.00 1951.69
1971 0.00 0.00 0.00 0.00 z 213.38 a 209.50 581.00 678.50 118.50 69.00 0.00 0.00 1869.88
1972 0.00 z 0.00 2.50 3.50 192.00 327.50 477.00 580.00 173.50 39.00 0.00 d 0.00 1795.00
1973 0.00 a 0.00 0.00 36.50 190.50 300.50 593.00 560.00 272.50 12.00 0.00 0.00 1965.00
1974 0.00 c 0.00 0.00 12.00 66.00 408.00 498.00 572.00 345.00 28.00 0.00 0.00 1929.00
1975 0.00 0.00 0.00 4.00 106.00 298.00 654.00 402.50 300.00 35.50 0.00 0.00 1800.00
1976 0.00 0.00 0.00 8.50 103.50 231.50 496.00 399.50 371.00 54.50 0.00 0.00 1664.50
1977 0.00 0.00 0.00 111.00 73.00 464.50 517.00 672.00 163.00 10.50 0.00 0.00 2011.00
1978 0.00 0.00 4.00 20.50 97.50 425.00 583.00 465.50 164.00 32.50 0.00 0.00 1792.00
1979 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 589.00 354.50 123.50 0.00 b 0.00 1067.00
1980 0.00 z 0.00 a 0.00 69.50 173.17 b 252.50 528.03 a 423.67 a 288.50 70.78 a 0.00 f 0.00 1806.16
1981 0.00 b 0.00 a 1.72 d 47.07 a 151.68 c 219.64 b 458.00 657.00 309.00 3.50 0.00 0.00 a 1847.61
1982 0.00 a 0.00 0.00 11.00 119.00 445.00 518.00 533.50 267.50 33.00 0.00 0.00 1927.00
1983 0.00 0.00 0.00 25.00 254.50 315.50 429.50 562.50 181.50 13.00 0.00 0.00 1781.50
1984 0.00 0.00 0.00 6.50 76.00 278.50 587.00 579.00 196.50 45.00 0.00 0.00 1768.50
1985 0.00 0.00 0.00 55.50 238.50 369.50 775.00 498.50 111.00 20.50 0.00 0.00 2068.50
1986 0.00 0.00 0.00 38.00 213.50 516.00 465.50 719.00 180.00 41.50 0.00 0.00 2173.50
1987 0.00 0.00 0.00 100.50 251.00 0.00 z 0.00 z 532.00 414.50 83.50 0.00 0.00 z 1381.50
1988 0.00 0.00 0.00 91.00 0.00 z 339.00 637.00 589.50 353.50 178.00 0.00 0.00 a 2188.00
1989 0.00 0.00 0.00 67.00 183.50 452.50 561.00 0.00 z 0.00 z 36.50 0.00 0.00 1300.50
1990 0.00 0.00 3.50 53.50 83.50 280.00 646.00 593.00 0.00 z 0.00 z 0.00 z 0.00 z 1659.50
1991 0.00 z 0.00 z 0.00 z 20.00 79.00 188.00 577.00 674.50 418.00 75.50 0.00 q 0.00 2032.00
1992 0.00 m 0.00 6.50 o 78.50 348.50 609.00 614.50 656.50 246.00 79.57 a 0.00 0.00 2632.57
1993 0.00 0.00 0.00 4.50 319.00 318.50 389.50 506.00 358.50 109.00 0.00 0.00 2005.00
1994 0.00 0.00 39.00 129.50 330.50 436.50 824.50 674.50 512.50 53.00 0.00 0.00 3000.00
1995 0.00 0.00 0.00 27.50 290.00 376.00 599.50 417.50 440.50 20.00 0.00 0.00 2171.00
1996 0.00 0.00 0.00 46.50 93.00 285.00 654.50 628.00 251.00 48.00 0.00 0.00 q 2006.00
1997 0.00 t 0.00 p 0.00 1.50 163.50 233.50 469.00 578.50 274.00 1.50 0.00 0.00 1721.50
1998 0.00 0.00 0.00 50.00 202.50 0.00 z 723.50 619.50 442.50 27.00 k 0.00 0.00 2038.00
1999 0.00 0.00 0.00 36.00 117.50 191.00 n 511.00 649.00 254.00 13.00 0.00 0.00 1580.50
2000 0.00 0.00 0.00 59.50 139.00 346.15 d 504.94 e 536.41 c 206.11 c 6.00 0.00 0.00 1798.12
2001 0.00 a 0.00 0.00 25.50 188.00 204.00 497.00 611.73 a 339.50 22.50 0.00 0.00 h 1888.23
2002 0.00 0.00 0.00 6.50 78.00 379.50 638.50 486.00 208.50 15.50 0.00 0.00 1812.50
2003 0.00 0.00 3.50 10.50 126.00 434.00 0.00 z 410.50 288.50 h 166.50 0.00 0.00 1151.00
2004 0.00 0.00 a 1.50 103.00 178.00 469.00 746.00 713.00 291.00 97.50 i 0.00 0.00 m 2501.50
2005 0.00 0.00 6.50 66.50 196.50 331.50 0.00 z 630.50 234.50 29.00 0.00 0.00 1495.00
2006 0.00 0.00 0.00 z 27.00 210.00 381.50 714.00 611.50 330.00 43.00 0.00 0.00 2317.00
2007 0.00 0.00 1.11 c 23.00 179.50 331.00 692.50 518.00 299.50 7.50 0.50 0.00 2052.61
2008 0.00 f 0.00 z 0.00 9.00 226.00 295.00 590.00 534.50 303.50 26.00 0.00 0.00 a 1984.00
2009 0.00 0.00 0.00 37.50 207.00 351.50 653.50 591.50 327.00 1.50 0.00 0.00 2169.50
2010 0.00 0.00 z 0.00 22.50 75.00 235.00 572.50 497.00 233.00 51.50 0.00 0.00 i 1686.50
2011 0.00 0.00 0.00 0.00 55.28 a 237.00 416.50 574.00 397.50 26.00 0.00 0.00 1706.28
2012 0.00 0.00 0.00 47.00 117.59 b 221.50 617.50 630.50 371.00 67.34 b 0.00 a 0.00 2072.43
2013 0.00 0.00 0.50 11.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50
Period of Record Statistics
MEAN 0.01 0.00 1.64 34.20 154.62 310.82 546.54 525.91 262.61 47.21 0.13 0.00 1864.75
S.D. 0.14 0.00 4.80 33.13 74.87 91.21 87.61 91.62 89.04 39.15 0.78 0.00 250.64
SKEW 10.49 0.00 5.19 1.62 0.74 0.53 0.45 -0.10 0.18 1.24 7.35 0.00 1.01
MAX 1.50 0.00 39.00 172.00 348.50 609.00 824.50 719.00 512.50 178.00 7.00 0.00 3000.00
MIN 0.00 0.00 0.00 0.00 30.50 116.00 346.00 338.50 83.50 0.00 0.00 0.00 1268.00
NO YRS 113 113 111 111 113 111 112 112 114 114 111 111 78