HOOD RIVER EXP STN, OREGON

Monthly Total Growing Degree Days

(354003)

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 1.00 81.50 122.00 379.00 425.00 149.00 9.82 a 6.00 0.00 1173.32
1894 0.00 0.00 4.00 27.50 173.50 193.00 476.50 511.00 156.50 38.50 15.00 0.00 1595.50
1895 0.00 0.00 1.50 32.59 a 100.50 280.00 f 396.50 416.00 121.15 d 83.50 6.00 0.00 1157.74
1896 0.00 0.00 12.40 a 16.00 101.50 350.50 684.50 542.00 285.00 92.50 7.00 0.00 2091.40
1897 4.00 0.00 0.50 134.00 309.00 333.50 464.00 681.00 276.00 91.00 22.00 0.00 2315.00
1898 0.00 a 10.00 1.50 66.50 188.00 369.00 562.50 453.50 g 324.00 28.50 0.00 0.00 1550.00
1899 0.00 2.00 0.50 19.29 b 62.00 251.50 566.00 336.50 386.00 56.00 10.00 6.00 1695.79
1900 0.00 z 0.00 z 61.00 j 109.00 226.00 449.00 547.00 423.00 300.50 93.00 6.50 5.00 2159.00
1901 0.00 7.00 6.50 32.50 218.50 253.97 a 436.50 627.50 231.00 196.50 g 14.00 0.00 1827.47
1902 0.50 0.00 0.00 32.00 208.50 311.50 453.00 512.00 320.00 144.50 0.00 0.00 1982.00
1903 0.00 0.00 6.50 37.00 210.00 437.00 439.88 b 495.00 281.00 103.50 6.00 h 0.00 2009.88
1904 0.00 0.00 0.00 113.00 262.95 c 415.00 630.50 605.50 411.00 127.00 8.50 0.00 2573.45
1905 0.00 a 7.50 46.50 148.00 231.50 424.50 645.00 541.00 351.50 44.00 3.00 0.00 2442.50
1906 0.00 a 0.00 a 10.00 182.00 220.00 332.50 802.00 643.50 364.50 201.50 30.50 0.00 2786.50
1907 0.00 0.00 0.00 70.00 309.00 427.00 586.50 397.00 380.36 b 162.00 1.00 0.00 c 2332.86
1908 0.00 d 0.00 0.00 52.00 66.00 218.28 a 642.00 506.50 356.38 a 119.00 8.50 0.00 z 1968.66
1909 0.00 c 0.00 f 4.00 28.50 126.00 384.00 447.95 a 446.92 a 364.50 104.00 9.50 0.00 1915.37
1910 0.00 0.00 27.00 134.50 279.00 344.50 575.00 483.00 277.50 b 71.00 f 0.00 0.00 2120.50
1911 0.00 0.00 20.00 27.00 87.00 309.00 696.00 469.50 194.00 24.00 0.00 z 0.00 1826.50
1912 0.00 0.00 7.00 40.00 226.82 a 421.00 528.00 434.53 b 269.00 38.00 1.00 0.00 1965.35
1913 0.00 a 0.00 0.00 61.50 195.00 401.00 599.00 602.50 359.50 102.96 c 0.00 h 0.00 2321.46
1914 0.00 1.00 23.25 a 81.00 274.00 346.50 551.50 551.00 197.00 79.57 a 17.00 0.00 2121.82
1915 0.00 0.00 33.00 106.00 177.00 356.50 513.10 b 603.50 295.50 55.50 0.00 0.00 2140.10
1916 0.00 0.00 6.00 65.00 118.50 313.00 381.00 496.00 247.00 33.00 0.50 0.00 e 1660.00
1917 0.00 0.00 0.00 11.50 106.50 313.97 a 537.85 a 568.50 304.50 151.50 2.00 27.00 2023.32
1918 0.00 f 0.00 i 13.00 73.00 109.00 438.50 480.00 399.00 372.50 109.00 0.00 8.78 a 2002.78
1919 1.00 0.00 6.50 g 75.50 166.50 216.50 537.00 571.00 265.50 58.50 1.73 d 0.00 1893.23
1920 2.00 0.00 c 0.00 17.50 79.00 g 310.50 544.50 523.00 242.00 48.50 f 0.50 0.00 1640.00
1921 0.00 1.00 0.55 c 23.28 a 250.00 395.50 510.50 514.08 a 176.90 a 96.32 c 10.50 0.00 s 1978.63
1922 0.00 0.00 1.55 a 20.00 187.50 472.50 630.00 526.50 0.00 e 90.50 0.00 u 0.00 c 1928.55
1923 0.00 z 0.00 21.91 b 54.00 210.50 362.07 a 509.43 a 539.50 336.72 a 92.50 3.33 c 0.00 a 2129.97
1924 0.00 b 7.00 2.07 a 94.82 b 313.32 c 371.50 477.50 458.00 292.78 c 73.76 b 0.00 10.33 d 2101.08
1925 0.00 4.15 a 7.75 c 85.50 279.00 365.50 572.47 a 436.58 a 311.25 b 65.10 a 0.00 0.00 a 2127.30
1926 0.00 a 0.50 37.50 208.00 194.27 a 472.50 565.50 542.50 a 234.50 107.50 7.76 a 0.00 a 2370.53
1927 0.00 b 1.00 0.00 72.50 136.00 306.50 h 538.00 503.50 269.50 99.50 38.50 4.50 1663.00
1928 0.00 0.00 12.00 39.50 337.26 b 328.00 552.32 a 479.00 247.50 89.50 0.50 0.00 2085.58
1929 0.00 0.00 7.50 34.50 198.50 355.50 525.50 550.00 283.00 120.50 8.50 0.00 2083.50
1930 0.00 0.00 49.00 114.50 154.50 307.50 512.50 556.50 331.50 55.00 3.00 0.00 2084.00
1931 0.00 2.00 3.50 96.50 324.50 331.00 573.00 506.50 275.50 69.50 7.00 0.00 2189.00
1932 0.00 6.50 5.00 64.50 151.50 415.50 418.50 460.50 325.50 119.00 9.00 3.00 1978.50
1933 0.50 0.00 0.00 63.00 118.00 314.50 521.00 525.00 201.00 154.00 13.50 18.00 1928.50
1934 1.00 0.50 58.50 241.50 283.00 387.50 491.00 563.00 298.50 135.00 7.50 0.00 2467.00
1935 0.00 0.00 3.50 49.50 175.00 373.00 513.50 469.00 366.50 103.00 0.00 0.00 2053.00
1936 0.00 0.00 0.00 167.50 299.00 375.50 487.50 508.50 272.50 157.00 0.50 6.50 2274.50
1937 0.00 0.00 0.50 13.00 206.50 379.00 533.00 455.50 320.50 169.00 2.00 0.50 2079.50
1938 0.00 0.00 2.50 70.50 224.75 a 404.50 610.50 435.50 427.24 a 79.50 0.50 1.50 2256.99
1939 0.00 0.00 40.00 82.50 239.00 268.00 517.00 510.00 335.50 109.50 6.50 0.00 2108.00
1940 0.00 0.00 29.00 68.00 299.50 462.50 527.00 518.00 373.50 164.00 0.00 0.00 2441.50
1941 0.00 0.00 42.50 105.00 209.50 339.50 645.00 503.00 236.50 60.50 13.50 0.00 2155.00
1942 0.00 0.00 8.50 77.50 160.50 313.00 552.50 562.50 346.00 123.00 0.00 0.00 2143.50
1943 0.00 0.00 9.00 99.50 138.00 283.50 515.50 429.50 382.00 120.50 2.50 1.00 1981.00
1944 0.00 0.00 15.00 53.50 199.50 310.50 540.50 472.00 377.00 147.50 0.00 0.00 2115.50
1945 8.50 0.00 0.00 54.00 203.00 308.50 568.50 515.50 256.50 136.50 8.00 0.00 2059.00
1946 0.00 0.00 4.00 51.50 239.50 280.00 501.00 492.00 282.50 32.50 0.00 1.50 1884.50
1947 0.00 1.50 32.50 105.00 345.50 314.50 503.00 454.00 347.50 86.50 10.50 0.00 2200.50
1948 0.00 0.00 5.00 39.50 186.00 480.00 459.00 444.00 259.50 64.50 0.00 a 0.00 a 1937.50
1949 0.00 a 0.00 1.00 85.86 a 279.00 350.00 479.50 480.50 346.55 a 28.00 9.60 e 0.00 a 2060.01
1950 0.00 0.00 a 1.50 9.00 172.57 a 361.07 b 554.00 572.47 a 342.50 75.50 4.14 a 0.50 2093.24
1951 0.00 a 2.00 0.00 a 70.56 c 198.00 407.00 531.50 477.92 a 337.24 a 89.50 0.00 b 0.00 2113.71
1952 0.00 0.00 9.00 73.00 212.00 282.50 594.68 a 551.50 401.00 213.90 a 0.00 a 0.00 2337.58
1953 3.50 2.07 a 8.50 60.00 127.00 221.00 446.50 497.00 357.86 b 116.52 b 3.10 a 0.00 b 1843.05
1954 0.00 a 0.00 0.00 a 44.48 a 257.00 271.00 410.50 383.88 a 302.00 43.00 5.40 e 0.00 a 1717.27
1955 0.00 f 0.00 b 0.00 f 11.00 132.00 355.50 383.00 473.02 b 282.93 a 71.00 11.38 a 0.00 b 1719.83
1956 0.00 d 0.00 c 3.00 94.50 289.16 b 277.78 c 572.47 a 361.50 h 316.50 65.50 2.00 0.00 a 1620.90
1957 0.00 1.04 a 0.50 70.50 282.00 362.31 d 429.35 a 413.33 a 408.62 a 54.50 0.00 a 0.00 a 2022.15
1958 0.00 9.85 a 0.52 a 28.00 389.64 b 480.00 653.00 609.50 329.00 128.00 2.88 d 0.00 a 2630.39
1959 0.00 0.00 4.81 b 63.50 134.00 376.00 560.00 505.00 279.50 113.00 2.78 c 0.00 c 2038.59
1960 0.00 0.00 b 43.50 72.00 130.50 400.86 a 594.68 a 442.50 297.50 122.97 a 5.00 0.00 2109.51
1961 2.50 3.00 5.50 47.50 175.50 489.00 561.88 c 614.32 a 203.00 94.72 d 0.00 0.00 2196.91
1962 3.00 0.00 0.00 114.00 76.47 a 337.00 451.64 b 451.57 a 290.89 b 81.00 6.50 0.00 1812.06
1963 0.00 2.00 6.50 18.00 220.50 327.50 405.00 470.50 429.50 137.50 0.00 0.00 2017.00
1964 0.00 0.50 10.00 29.50 142.00 268.00 465.50 396.00 228.00 65.00 0.00 0.00 1604.50
1965 0.00 0.00 8.00 83.50 144.50 329.50 555.50 530.50 240.50 131.00 7.00 0.00 2030.00
1966 0.00 0.00 11.50 65.50 231.50 314.50 462.50 483.50 367.00 81.00 0.00 0.00 2017.00
1967 1.50 0.00 0.00 13.50 202.50 463.00 587.50 656.50 463.00 104.50 6.50 7.00 2505.50
1968 0.00 8.50 19.00 48.50 197.50 357.00 553.00 445.00 331.50 31.00 1.50 0.00 1992.50
1969 0.00 0.00 26.00 52.50 288.50 484.00 490.50 454.00 336.50 42.00 10.00 0.00 2184.00
1970 0.00 0.00 a 3.00 12.50 193.50 464.50 566.50 535.00 208.50 64.50 0.00 0.00 2048.00
1971 0.00 0.52 a 1.50 35.00 222.50 248.00 561.50 593.50 203.00 108.00 0.50 0.00 1974.02
1972 0.00 8.00 28.00 18.00 263.00 362.00 560.00 574.50 232.00 59.50 0.00 0.00 2105.00
1973 0.00 0.00 0.50 69.50 230.50 351.50 547.50 437.00 322.50 65.00 0.00 0.00 2024.00
1974 0.00 0.00 6.00 36.00 130.00 388.50 465.50 542.50 367.50 65.50 0.50 0.00 2002.00
1975 3.50 0.00 0.00 5.50 181.50 324.50 561.50 411.00 325.50 77.50 12.00 10.50 1913.00
1976 0.00 z 0.00 1.00 40.00 195.50 253.50 486.00 424.50 309.50 73.50 6.50 0.00 1790.00
1977 0.00 0.50 2.00 133.00 90.50 434.50 494.00 669.50 228.50 41.00 2.00 6.50 2102.00
1978 0.00 0.00 48.50 47.00 127.50 407.59 a 543.50 496.50 213.50 101.50 8.00 0.00 1993.59
1979 0.00 0.00 17.50 63.50 234.50 382.50 556.00 483.50 372.00 151.50 0.00 0.00 2261.00
1980 0.00 0.00 0.00 107.50 182.50 248.00 513.00 429.50 317.50 114.00 8.00 5.00 1925.00
1981 0.00 3.50 6.50 76.00 189.00 280.71 b 480.50 611.73 a 318.00 46.50 1.55 a 0.00 2014.00
1982 1.50 4.00 3.00 26.00 165.00 414.50 498.00 537.50 301.50 43.00 0.00 3.50 1997.50
1983 0.00 2.50 6.50 66.50 279.00 305.00 440.50 518.50 233.50 43.00 9.00 0.00 1904.00
1984 2.00 0.00 8.50 26.50 118.00 271.50 563.50 535.50 251.00 71.00 0.00 0.00 1847.50
1985 0.00 0.00 1.00 100.50 231.00 353.50 670.00 443.50 180.00 52.50 13.50 0.00 2045.50
1986 0.00 3.00 36.50 48.50 244.50 484.00 429.00 641.00 227.50 80.00 8.50 0.00 2202.50
1987 0.00 0.00 0.52 a 136.00 280.50 441.00 479.50 538.37 a 375.52 a 100.00 11.00 0.00 2362.40
1988 0.00 0.00 13.50 83.50 200.50 320.50 551.00 503.50 329.00 226.50 10.50 0.00 2238.50
1989 1.00 0.00 0.50 123.50 211.50 417.50 452.50 476.00 350.50 96.50 31.00 0.00 2160.50
1990 0.00 0.00 19.50 134.50 165.50 361.50 632.00 586.00 444.00 59.50 26.50 0.00 2429.00
1991 0.00 5.00 4.50 58.50 132.00 275.50 587.50 609.00 405.50 152.50 8.00 0.00 2238.00
1992 0.50 4.00 35.50 111.00 350.00 518.50 596.50 572.50 279.00 125.00 2.00 0.00 2594.50
1993 0.00 0.00 2.50 23.00 313.00 336.50 388.00 511.00 360.00 139.50 0.00 0.00 2073.50
1994 0.00 0.00 39.50 111.00 277.50 335.00 625.00 545.50 419.00 75.00 0.00 0.00 2427.50
1995 0.00 9.50 4.00 51.50 268.00 352.00 587.50 445.50 402.50 74.00 23.00 0.50 2218.00
1996 0.00 0.00 5.50 88.50 126.50 320.50 627.00 547.00 235.50 113.50 0.00 0.00 2064.00
1997 0.00 0.00 15.00 32.50 303.50 349.50 521.50 577.50 358.50 52.00 6.50 0.00 2216.50
1998 0.00 0.00 17.00 81.50 190.00 397.50 656.50 584.00 434.00 59.00 4.50 1.00 2425.00
1999 0.00 0.00 8.50 54.50 152.00 326.00 485.50 579.50 312.50 69.50 23.50 3.50 2015.00
2000 0.00 0.00 4.00 147.50 237.50 426.00 520.00 551.00 317.00 67.50 0.50 0.00 2271.00
2001 0.00 0.00 13.50 66.00 265.00 326.00 502.50 585.00 410.00 66.00 5.50 0.00 2239.50
2002 0.00 5.00 0.50 51.50 191.00 438.00 613.00 544.00 338.00 67.50 2.00 0.00 2250.50
2003 0.50 2.00 29.50 63.50 225.00 466.00 640.50 585.00 413.00 150.50 2.00 0.00 2577.50
2004 0.00 0.00 43.50 121.50 246.00 421.50 647.50 613.00 295.00 137.50 3.00 1.50 2530.00
2005 0.00 0.00 37.50 78.50 252.50 334.00 588.00 587.50 311.50 84.50 2.00 0.00 2276.00
2006 0.00 0.00 7.00 83.50 263.50 410.00 654.00 559.50 370.00 77.50 23.00 0.00 2448.00
2007 0.00 0.50 37.50 64.00 249.50 384.00 641.00 505.00 312.50 34.50 0.00 0.00 2228.50
2008 0.00 1.50 6.50 21.00 240.50 304.00 555.50 540.00 295.50 62.50 5.00 0.00 2032.00
2009 1.50 0.00 0.00 50.00 218.50 412.50 633.50 567.00 378.00 29.50 0.00 0.00 2290.50
2010 0.00 0.00 4.00 34.50 114.00 294.50 509.50 507.00 313.50 97.00 17.50 0.00 1891.50
2011 0.00 0.00 3.50 7.50 87.50 295.50 447.00 582.50 458.50 125.03 a 8.00 0.00 2015.03
2012 0.00 0.00 0.00 70.00 135.50 272.50 532.50 597.50 383.00 74.50 h 28.50 0.00 2019.50
2013 0.00 0.00 24.00 7.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 24.00
Period of Record Statistics
MEAN 0.33 1.10 11.25 67.14 204.65 354.57 536.05 516.39 308.78 91.04 6.16 1.13 2123.23
S.D. 1.08 2.35 14.13 43.02 69.12 71.66 75.75 67.72 75.19 41.79 7.73 3.56 242.00
SKEW 4.85 2.41 1.44 1.15 0.09 -0.14 0.25 0.03 -0.68 0.66 1.85 4.74 -0.31
MAX 8.50 10.00 58.50 241.50 389.64 518.50 802.00 681.00 463.00 226.50 38.50 27.00 2786.50
MIN 0.00 0.00 0.00 1.00 62.00 122.00 379.00 336.50 0.00 9.82 0.00 0.00 1173.32
NO YRS 116 118 118 120 119 118 120 118 120 116 116 118 99