RICHLAND, OREGON

Monthly Total Growing Degree Days

(357160)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201110
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 b 16.00 0.00 z 254.72 a 449.00 729.53 a 829.50 329.00 47.50 q 1.00 0.00 2608.75
1894 0.00 0.00 18.50 129.50 347.00 413.00 784.00 723.00 0.00 z 0.00 z 0.00 z 0.00 z 2415.00
1895 0.00 z 0.00 z 0.00 z 90.50 222.00 436.50 612.50 680.93 b 175.50 151.50 7.00 0.00 2376.43
1896 0.00 0.00 11.50 22.00 137.50 510.00 829.00 678.50 316.00 138.47 a 3.00 0.00 z 2645.97
1897 0.00 z 0.00 z 0.00 b 0.00 z 0.00 z 258.21 b 467.00 622.50 235.00 73.76 b 9.50 0.00 1665.97
1898 0.00 0.00 0.00 97.50 194.35 e 434.00 599.50 617.00 111.50 g 0.00 z 0.00 z 0.00 z 1942.35
1899 0.00 0.00 0.00 19.50 102.50 346.50 589.50 355.00 305.50 10.50 0.00 0.00 1729.00
1900 0.00 0.00 0.00 20.00 164.50 456.50 536.82 a 360.00 189.50 1.50 f 0.00 0.00 1727.32
1901 0.00 0.00 0.00 a 1.00 179.50 232.50 605.00 669.00 160.50 128.50 0.00 y 0.00 z 1976.00
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 1.50 m 0.00 c 0.00 f 0.00
1906 0.00 d 0.00 0.00 72.93 a 153.50 173.50 g 765.91 b 596.23 a 326.50 0.00 z 0.00 b 0.00 1915.08
1907 0.00 e 0.00 e 1.03 a 2.50 v 250.00 360.00 604.50 c 526.00 346.50 238.00 0.00 0.00 2326.03
1908 0.00 g 0.00 m 9.00 98.50 i 106.50 409.20 e 705.80 c 413.50 h 268.50 h 63.50 10.00 j 0.00 1294.00
1909 0.00 0.00 b 1.00 g 17.50 96.50 i 429.00 e 138.50 w 594.34 b 344.50 75.00 20.50 0.00 a 1480.84
1910 0.00 0.00 24.50 134.50 257.50 414.50 687.50 479.50 281.50 70.50 0.00 a 0.00 2350.00
1911 0.00 a 0.00 a 6.00 38.50 84.00 436.50 478.00 h 339.00 k 120.50 i 31.50 0.00 0.00 b 596.50
1912 0.00 a 0.00 a 0.00 33.00 186.00 b 431.79 b 529.50 483.60 a 163.50 18.60 a 4.20 e 0.00 a 1850.19
1913 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 115.00 o 38.00 0.00 0.00 38.00
1914 0.00 z 0.00 b 1.60 b 67.50 d 313.44 d 350.69 a 0.00 z 624.02 d 0.00 z 0.00 z 0.00 z 0.00 f 1357.26
1915 0.00 a 0.00 32.66 c 131.11 c 176.50 379.62 d 619.50 826.67 a 283.89 c 70.50 0.00 0.00 2520.44
1916 0.00 0.00 8.50 79.50 109.00 352.00 631.88 a 607.50 325.50 31.50 6.67 c 0.00 h 2152.05
1917 0.00 0.00 0.00 24.50 174.50 364.00 793.00 680.00 462.00 145.50 1.50 1.55 a 2646.55
1918 0.00 0.00 33.00 77.50 178.50 677.00 681.50 539.00 417.93 a 112.50 0.00 0.00 2716.93
1919 0.00 f 0.00 10.00 74.50 251.50 484.00 694.50 705.54 d 323.50 20.50 0.00 0.00 2564.04
1920 0.00 0.00 0.00 28.39 b 149.50 352.76 a 749.34 b 630.00 331.00 85.00 0.00 0.00 2326.00
1921 0.00 z 0.00 z 3.10 a 16.00 190.50 472.00 642.00 626.20 a 166.50 112.50 3.00 0.00 2231.80
1922 0.00 0.00 0.00 0.00 z 0.00 z 585.60 e 770.00 704.22 a 424.00 162.50 0.00 0.00 2646.32
1923 0.00 z 0.00 z 0.00 z 0.00 z 262.93 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 262.93
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 3.00 0.00 3.00
1945 0.00 0.00 1.50 62.50 g 217.50 326.50 689.00 598.82 a 293.79 a 163.30 c 1.50 0.00 2291.91
1946 0.00 0.00 b 19.00 135.50 255.00 388.50 664.00 616.50 250.00 29.34 c 2.50 0.00 2360.34
1947 0.00 3.00 31.50 80.00 449.00 314.50 696.00 567.00 381.50 179.00 0.00 0.00 2701.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 579.00 542.50 389.50 139.50 k 1.00 0.00 1512.00
1949 0.00 0.00 z 6.50 111.50 360.50 416.50 626.72 a 691.00 446.00 26.87 a 5.50 0.00 a 2691.08
1950 0.00 z 0.00 0.00 a 78.50 208.00 375.58 d 648.00 656.00 377.00 207.00 20.50 0.00 2570.58
1951 0.00 z 0.00 z 0.00 81.00 335.00 434.00 779.00 645.00 413.50 86.50 3.50 1.00 2778.50
1952 0.00 0.00 0.00 113.50 224.00 n 448.50 831.00 719.72 a 451.50 220.00 19.50 0.00 2803.72
1953 0.00 k 0.00 5.00 0.00 z 182.50 h 403.50 822.00 737.00 447.00 32.50 11.50 g 0.00 2447.00
1954 0.00 0.00 0.00 v 0.00 243.00 0.00 z 852.50 a 568.00 0.00 z 25.50 k 0.00 c 0.00 1663.50
1955 0.00 0.00 0.00 a 16.03 a 229.00 508.50 761.00 741.50 426.00 142.00 0.00 b 0.00 z 2824.03
1956 0.00 a 0.00 8.00 69.50 g 331.50 0.00 z 827.00 672.50 455.36 b 150.50 0.00 e 0.00 2444.86
1957 0.00 5.00 2.00 0.00 z 338.00 504.00 723.00 703.50 538.00 24.80 a 0.00 k 0.00 z 2838.30
1958 0.00 z 0.00 0.00 a 46.50 489.50 572.00 843.50 830.00 349.00 0.00 z 0.00 i 0.00 z 3130.50
1959 1.50 0.00 4.50 93.50 160.00 478.00 f 710.50 702.87 e 393.50 146.00 4.50 0.00 2216.87
1960 0.00 j 0.00 96.50 98.50 237.87 e 507.50 913.50 658.00 390.00 186.50 19.00 0.00 a 3107.37
1961 0.00 15.00 12.00 87.50 295.00 694.29 b 790.50 b 876.00 263.00 112.50 0.00 m 0.00 3145.79
1962 0.00 0.00 12.00 247.00 265.50 482.50 676.00 614.50 405.50 91.00 7.00 i 0.00 2794.00
1963 0.00 0.00 44.00 0.00 z 375.50 421.50 690.00 720.50 557.50 310.50 17.00 f 0.00 d 3119.50
1964 0.00 0.00 20.00 28.50 246.45 a 409.50 704.00 620.50 296.00 193.00 0.00 0.00 2517.95
1965 0.00 0.00 0.00 209.50 306.38 a 489.50 723.00 670.50 302.00 129.00 10.00 0.00 2839.88
1966 0.00 0.00 144.50 101.00 288.00 512.00 705.50 789.00 610.00 111.00 g 36.00 0.00 a 3186.00
1967 0.00 0.00 3.50 0.00 k 247.50 460.50 f 827.00 835.00 527.50 78.53 a 3.00 0.00 2522.03
1968 0.00 12.00 8.00 38.00 238.50 538.20 e 618.50 f 568.50 382.50 39.00 0.00 0.00 1824.70
1969 0.00 0.00 29.00 115.50 363.00 479.50 657.00 704.39 d 407.31 d 18.50 0.00 0.00 2774.20
1970 0.00 0.00 1.00 26.50 274.00 597.50 740.00 756.50 221.90 a 75.00 0.00 0.00 2692.40
1971 0.00 0.00 0.00 27.00 289.00 317.00 f 738.50 824.00 220.00 99.50 0.00 0.00 2198.00
1972 0.00 0.00 25.50 43.00 329.00 519.00 656.50 706.00 255.00 93.50 0.00 0.00 g 2627.50
1973 0.00 3.00 15.50 92.59 a 286.50 477.50 682.50 647.50 337.50 71.50 0.50 0.00 2614.59
1974 3.00 0.00 4.00 50.50 179.00 627.00 679.00 595.00 388.50 44.00 0.00 0.00 2570.00
1975 0.00 0.00 0.50 5.50 219.50 386.00 767.00 577.00 409.50 110.05 a 1.00 0.00 2476.05
1976 0.00 1.00 2.00 58.50 240.00 375.50 747.00 563.50 446.50 125.50 18.00 0.00 a 2577.50
1977 0.00 n 0.00 z 0.00 z 166.50 209.00 629.00 678.00 689.50 352.76 a 72.50 0.00 0.00 2797.26
1978 0.00 0.00 77.50 75.00 171.50 415.50 705.50 563.00 302.50 134.50 6.50 0.00 2451.50
1979 0.00 0.00 10.50 75.00 306.00 500.50 755.50 699.50 490.00 205.50 0.00 b 0.00 3042.50
1980 0.00 2.00 8.50 141.00 259.50 357.50 707.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1476.00
1981 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1982 0.00 z 0.00 z 0.00 45.50 247.00 511.00 683.50 672.50 434.00 134.00 0.00 z 0.00 2727.50
1983 0.00 c 0.00 14.50 73.00 258.33 d 420.50 112.00 0.00 z 306.00 139.00 9.50 0.00 a 1332.83
1984 0.00 0.00 0.00 247.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 109.07 d 1.50 0.00 z 358.07
1985 0.00 z 0.00 0.00 405.50 558.00 0.00 z 0.00 z 0.00 z 652.24 a 0.00 z 0.00 z 0.00 z 1615.74
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 739.50 201.50 40.50 0.00 0.00 a 981.50
1987 0.00 0.00 4.00 171.00 340.50 528.33 c 626.50 576.60 a 384.50 109.50 7.00 0.00 2747.93
1988 0.00 0.00 b 4.50 89.00 254.00 514.00 701.00 599.00 289.00 263.00 17.00 0.00 2730.50
1989 0.00 0.00 9.00 91.50 150.00 485.00 720.50 568.00 304.50 71.00 0.00 0.00 2399.50
1990 0.00 0.00 5.00 143.50 156.00 392.00 735.50 667.00 510.00 43.50 0.00 0.00 2652.50
1991 0.00 0.00 3.00 32.50 97.50 317.00 703.50 731.50 375.50 121.50 0.00 0.00 2382.00
1992 0.00 0.00 20.50 114.00 361.00 541.00 564.00 626.00 271.00 109.00 0.00 0.00 2606.50
1993 0.00 0.00 0.00 12.50 363.00 321.00 386.00 358.00 l 0.00 z 18.00 l 0.00 0.00 1082.50
1994 0.00 0.00 9.50 97.50 289.00 423.50 727.50 709.00 429.00 56.00 0.00 0.00 2741.00
1995 0.00 0.00 2.50 24.50 200.50 375.00 656.00 534.00 404.00 7.50 2.50 0.00 2206.50
1996 0.00 0.00 1.00 44.00 153.00 422.00 744.00 667.50 289.50 139.00 0.00 0.00 2460.00
1997 0.00 0.00 13.50 0.00 z 0.00 z 449.50 599.50 0.00 z 0.00 z 35.50 0.00 0.00 z 1098.00
1998 0.00 z 0.00 2.50 64.50 214.50 335.00 815.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1431.50
1999 0.00 0.00 0.00 22.00 171.00 0.00 z 621.00 607.50 334.50 0.00 z 1.50 0.00 z 1757.50
2000 0.00 b 0.00 a 0.00 d 27.00 t 0.00 z 533.00 889.50 0.00 z 334.50 33.50 0.00 0.00 1790.50
2001 0.00 0.00 z 10.00 74.00 377.00 739.50 698.50 795.00 0.00 z 19.00 0.00 a 0.00 z 2713.00
2002 0.00 0.00 0.00 z 0.00 z 360.12 a 438.50 0.00 z 0.00 z 0.00 z 25.50 2.00 1.00 827.12
2003 0.00 2.50 18.50 29.00 0.00 z 618.50 942.00 701.50 337.00 218.00 0.00 0.00 2867.00
2004 0.00 0.00 h 24.50 57.50 208.50 463.50 762.00 672.50 304.00 110.50 0.00 0.00 2603.00
2005 0.00 0.00 2.50 36.50 219.00 345.50 706.50 670.00 277.50 39.00 0.00 0.00 2296.50
2006 0.00 0.00 4.00 44.50 228.00 493.00 894.00 599.00 330.50 63.50 26.00 0.00 2682.50
2007 0.00 0.00 13.50 69.00 275.50 488.00 867.00 626.00 322.00 20.00 0.00 0.00 2681.00
2008 0.00 0.00 0.00 27.50 224.00 379.50 679.00 621.00 288.50 68.00 3.00 0.00 2290.50
2009 0.00 0.00 0.00 47.50 214.00 384.00 716.00 641.00 422.50 24.50 0.00 0.00 2449.50
2010 0.00 0.00 0.00 41.50 87.50 344.50 636.00 594.50 335.50 134.50 14.50 0.00 2188.50
2011 0.00 a 0.00 0.00 a 5.69 a 89.00 317.50 610.00 696.00 447.00 80.00 0.00 z 0.00 z 2245.19
Period of Record Statistics
MEAN 0.06 0.55 11.08 76.38 244.25 446.58 699.03 651.79 354.73 98.58 3.80 0.05 2508.01
S.D. 0.39 2.26 21.44 65.45 90.50 96.71 116.61 94.94 99.24 65.60 7.09 0.24 264.90
SKEW 6.76 5.16 4.09 2.25 0.70 0.63 -1.56 -0.33 0.40 0.82 2.41 5.08 -0.94
MAX 3.00 15.00 144.50 405.50 558.00 739.50 942.00 876.00 652.24 310.50 36.00 1.55 3042.50
MIN 0.00 0.00 0.00 0.00 84.00 232.50 112.00 355.00 160.50 7.50 0.00 0.00 1729.00
NO YRS 75 79 84 75 81 80 83 80 78 77 78 75 34