RITZVILLE 1 SSE, WASHINGTON

Monthly Total Growing Degree Days

(457059)

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
1899 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1900 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1901 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 0.00 z 0.00 z 0.00 z 0.00
1906 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1907 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1909 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 k 0.00 3.50 37.00 117.50 265.38 d 497.00 641.50 315.50 0.00 z 0.00 a 0.00 1877.38
1917 0.00 0.00 0.00 1.00 155.50 284.50 681.50 677.50 377.00 173.50 4.00 5.00 2359.50
1918 2.00 0.00 14.98 a 87.50 115.00 546.00 704.50 501.50 505.00 133.00 0.00 0.00 2609.48
1919 0.00 0.00 12.50 80.00 205.00 307.00 668.50 632.50 306.50 40.50 2.00 0.00 2254.50
1920 0.00 0.00 a 0.50 27.50 114.00 309.31 a 711.45 a 621.50 294.00 71.00 0.00 0.00 2149.26
1921 0.00 0.00 b 0.00 a 32.00 219.50 500.00 584.00 641.50 173.28 a 116.50 3.00 0.50 2270.28
1922 0.00 0.00 0.00 21.50 181.00 584.50 711.40 b 668.50 410.17 a 111.00 0.00 0.00 2688.07
1923 0.00 0.00 a 26.00 83.50 208.50 351.00 688.00 677.50 419.50 120.00 1.00 0.00 z 2575.00
1924 0.00 3.00 0.00 59.48 a 409.50 469.14 a 654.00 579.00 349.66 a 63.50 0.00 a 0.00 2587.28
1925 0.00 0.00 a 0.00 z 107.50 283.50 465.00 747.50 600.00 312.50 23.50 0.00 0.00 a 2539.50
1926 0.00 0.00 6.00 202.50 190.00 466.00 351.00 o 593.50 181.55 a 42.50 0.00 0.00 1682.05
1927 0.00 0.00 0.00 a 51.50 126.50 420.50 667.02 a 622.07 a 219.00 83.50 0.00 z 0.00 2190.08
1928 0.00 b 0.00 a 12.50 38.50 363.00 409.00 709.00 566.00 339.50 60.50 0.00 0.00 z 2498.00
1929 0.00 0.00 1.03 a 28.00 222.50 358.50 599.00 698.00 292.00 150.00 0.00 0.00 2349.03
1930 0.00 1.00 18.60 a 142.50 192.00 355.50 718.00 718.50 370.34 a 57.00 0.00 a 0.00 2573.44
1931 0.00 0.00 a 2.00 72.50 333.00 417.00 699.00 658.00 327.50 76.00 2.00 0.00 a 2587.00
1932 0.00 8.50 6.50 93.00 177.00 502.50 b 546.12 a 587.50 385.50 117.50 0.00 0.00 a 2424.12
1933 0.00 0.00 0.00 73.50 106.00 406.50 660.50 668.00 231.50 171.00 3.10 a 4.00 2324.10
1934 0.00 0.00 a 48.57 a 237.41 a 332.50 434.00 645.83 a 663.50 286.00 146.50 6.50 0.00 b 2800.81
1935 0.00 a 0.00 3.50 29.50 222.50 384.00 642.50 565.75 a 480.00 138.50 0.00 0.00 2466.25
1936 0.00 0.00 0.00 172.24 a 384.00 462.41 a 673.50 635.50 325.00 147.00 0.00 0.00 2799.66
1937 0.00 0.00 1.55 a 20.17 a 235.50 422.50 709.00 503.00 400.00 150.87 a 1.00 0.00 2443.59
1938 0.00 0.00 1.00 46.50 221.50 483.50 750.00 543.00 558.50 98.50 0.00 0.00 a 2702.50
1939 0.00 0.00 39.50 97.00 277.97 a 337.50 696.50 700.00 373.80 e 81.50 0.00 0.00 a 2603.77
1940 0.00 a 0.00 15.50 48.00 315.50 490.00 656.00 610.00 438.50 148.50 0.00 0.00 2722.00
1941 0.00 0.00 28.00 113.00 204.00 353.00 768.50 611.00 191.50 26.50 0.00 0.00 a 2295.50
1942 0.00 0.00 11.00 60.50 156.00 288.50 694.00 707.00 406.00 128.00 0.00 0.00 2451.00
1943 0.00 0.00 2.00 93.50 106.43 a 280.00 627.00 551.00 441.50 173.00 0.00 0.00 2274.43
1944 0.00 0.00 0.00 63.50 246.50 377.00 667.50 543.50 428.00 217.00 0.00 0.00 2543.00
1945 0.00 a 0.00 0.00 25.50 237.50 353.00 674.50 655.00 272.22 c 195.50 2.50 0.00 2415.72
1946 0.00 z 0.00 a 3.50 73.50 260.50 341.50 654.00 649.50 326.38 a 17.50 0.00 0.00 2326.38
1947 0.00 0.00 28.50 89.50 348.48 b 378.50 623.32 c 559.00 0.00 z 76.47 a 0.00 0.00 z 2103.77
1948 0.00 0.00 0.00 z 0.00 z 0.00 z 486.72 a 518.50 532.50 228.50 m 92.00 0.00 0.00 1629.72
1949 0.00 0.00 1.00 97.50 355.00 390.50 603.50 602.50 342.00 m 20.50 0.00 0.00 2070.50
1950 0.00 0.00 0.00 14.00 147.00 371.79 b 627.50 656.50 429.00 48.50 0.00 0.00 2294.29
1951 0.00 0.00 0.00 53.50 202.00 369.50 674.77 a 596.50 380.36 b 87.50 0.00 0.00 2364.12
1952 0.00 0.00 3.50 105.50 228.37 a 386.50 657.50 605.50 465.00 222.50 0.00 0.00 2674.37
1953 0.00 0.00 12.50 58.50 149.00 277.50 606.05 a 590.50 410.00 117.80 a 6.00 0.00 c 2227.85
1954 0.00 0.00 0.00 18.00 245.00 257.00 562.00 470.88 b 298.45 a 68.50 1.50 0.00 1921.33
1955 0.00 0.00 0.00 11.50 88.50 438.50 558.52 a 481.00 g 344.50 61.50 0.00 0.00 1503.02
1956 0.00 0.00 0.00 112.50 309.00 326.50 715.58 a 597.00 381.50 59.50 0.00 a 0.00 a 2501.58
1957 0.00 0.00 0.00 55.00 308.50 442.00 549.50 508.00 438.50 51.15 a 0.00 0.00 b 2352.65
1958 0.00 6.50 0.50 8.50 398.50 520.50 763.50 733.00 314.00 114.50 1.00 0.00 2860.50
1959 0.00 0.00 0.00 43.00 121.50 388.00 661.50 484.00 241.50 37.00 3.00 0.00 a 1979.50
1960 0.00 0.00 38.50 52.50 135.00 397.50 779.50 496.00 373.50 121.50 0.00 0.00 b 2394.00
1961 0.00 0.00 5.50 43.00 183.50 563.50 731.00 791.50 245.00 78.50 0.00 0.00 2641.50
1962 0.00 0.00 0.00 103.00 82.50 342.50 566.00 490.50 390.50 57.50 0.50 0.00 2033.00
1963 0.00 0.00 7.00 31.00 219.50 409.00 526.00 623.50 549.00 173.50 0.00 0.00 2538.50
1964 0.00 0.00 13.00 14.50 172.00 373.00 632.00 460.50 265.00 97.00 0.50 0.00 2027.50
1965 0.00 0.00 1.00 87.50 190.00 390.00 656.50 635.50 0.00 z 36.00 k 4.50 0.00 1965.00
1966 0.00 0.00 13.00 27.50 251.00 294.50 539.50 592.50 416.00 68.50 0.00 0.00 2202.50
1967 0.00 0.00 0.00 0.50 132.50 441.50 648.50 772.00 519.00 59.00 0.00 0.00 2573.00
1968 0.00 0.00 4.00 26.00 158.50 342.50 674.00 484.00 345.50 22.00 0.00 0.00 2056.50
1969 0.00 0.00 12.50 46.50 272.50 487.50 512.50 437.00 293.50 14.00 0.00 d 0.00 2076.00
1970 0.00 0.00 0.00 1.00 142.00 498.00 623.50 574.50 146.00 61.50 0.00 0.00 2046.50
1971 0.00 0.00 0.00 a 8.00 233.00 225.00 619.00 729.00 162.00 94.00 0.00 0.00 2070.00
1972 0.00 0.00 8.50 17.50 209.00 353.00 546.50 629.00 178.00 71.00 0.00 0.00 2012.50
1973 0.00 0.00 0.00 29.00 215.50 338.50 620.00 554.50 301.00 41.00 0.50 0.00 2100.00
1974 0.00 0.00 0.00 17.50 77.50 409.50 534.00 570.00 383.00 65.00 0.00 0.00 2056.50
1975 0.00 0.00 0.00 0.50 120.00 268.50 698.00 429.00 386.00 64.00 11.00 0.00 1977.00
1976 0.00 0.00 0.00 26.00 126.50 242.00 564.00 462.50 419.50 85.00 0.00 0.00 1925.50
1977 0.00 0.00 0.00 121.00 62.50 459.50 498.00 701.00 198.50 28.50 0.00 0.00 2069.00
1978 0.00 0.00 20.00 31.50 81.50 384.00 597.00 496.00 235.00 73.50 1.07 b 0.00 1919.57
1979 0.00 0.00 2.00 49.00 206.50 390.50 631.00 606.50 417.00 145.50 0.00 0.00 2448.00
1980 0.00 0.00 0.00 93.50 163.50 234.50 548.00 425.50 277.00 103.00 4.00 4.50 1853.50
1981 0.00 0.00 2.00 40.00 142.50 213.10 a 507.00 668.50 327.00 20.00 4.00 0.00 1924.10
1982 0.00 0.00 0.00 13.00 122.50 433.00 532.00 541.00 266.00 31.00 0.00 0.00 1938.50
1983 0.00 0.00 3.00 33.50 234.00 304.00 462.00 642.50 203.50 17.00 0.00 0.00 1899.50
1984 0.00 0.00 0.50 18.00 67.00 246.00 581.50 588.00 207.00 73.00 0.00 0.00 1781.00
1985 0.00 0.00 0.00 67.00 225.00 370.50 771.50 487.00 141.00 26.00 0.50 0.00 2088.50
1986 0.00 4.00 4.50 35.00 224.00 524.00 450.50 733.00 199.50 90.50 0.00 0.00 2265.00
1987 0.00 0.00 6.50 129.00 289.00 489.50 567.50 552.00 444.50 121.00 2.50 0.00 2601.50
1988 0.00 0.00 0.00 89.50 184.50 364.00 584.50 582.00 305.00 242.50 7.00 0.00 2359.00
1989 0.00 0.00 0.00 83.00 170.50 466.50 572.50 498.50 378.50 69.50 13.50 0.00 2252.50
1990 0.00 0.00 1.50 86.00 116.50 339.00 690.50 615.50 455.00 12.50 1.50 0.00 2318.00
1991 0.00 0.00 0.00 21.50 38.00 196.00 588.50 666.00 415.50 123.00 0.00 0.00 2048.50
1992 0.00 0.00 16.50 78.50 257.00 524.50 539.50 586.50 211.00 95.00 0.00 0.00 2308.50
1993 0.00 0.00 0.00 7.00 318.50 308.00 367.00 466.50 336.50 106.50 0.00 0.00 1910.00
1994 0.00 0.00 20.00 83.00 214.00 342.50 680.00 589.00 421.00 48.50 0.00 0.00 2398.00
1995 0.00 6.00 0.00 27.00 209.50 319.00 577.00 432.00 416.50 23.50 1.00 0.00 2011.50
1996 0.00 0.00 0.00 57.00 76.00 286.50 670.00 583.00 213.00 106.50 0.00 0.00 1992.00
1997 0.00 0.00 6.00 13.50 237.50 263.00 508.00 656.50 379.50 52.50 0.00 0.00 2116.50
1998 0.00 0.00 7.50 61.50 189.50 367.50 775.00 646.50 494.00 58.50 0.00 0.00 2600.00
1999 0.00 0.00 9.00 37.50 113.50 290.50 491.00 653.00 324.50 55.50 22.00 0.00 1996.50
2000 0.00 0.00 0.00 67.50 154.00 334.50 543.50 547.00 255.00 35.00 0.00 0.00 1936.50
2001 0.00 0.00 5.50 50.50 210.50 266.50 583.00 665.00 426.50 45.50 0.50 0.00 2253.50
2002 0.00 0.00 0.00 18.50 131.50 397.50 661.50 529.00 322.00 42.00 0.00 0.00 2102.00
2003 0.00 0.00 0.00 z 35.50 167.50 434.00 698.00 643.00 396.50 188.50 2.00 0.00 2565.00
2004 0.00 0.00 16.00 63.00 148.50 398.00 664.50 671.50 270.50 107.50 0.00 0.00 2339.50
2005 0.00 0.00 5.00 57.50 214.00 309.00 619.50 616.50 230.00 78.50 0.00 0.00 2130.00
2006 0.00 0.00 0.00 26.50 208.00 364.00 714.50 586.00 350.50 54.00 11.50 0.00 2315.00
2007 0.00 0.00 12.00 34.00 248.00 429.00 831.00 622.00 390.00 84.50 0.00 0.00 2650.50
2008 0.00 0.00 0.00 24.00 208.00 297.50 608.00 558.50 334.50 78.00 3.50 0.00 2112.00
2009 0.00 0.00 0.50 38.50 190.50 389.50 682.00 616.00 431.00 14.50 0.00 0.00 2362.50
2010 0.00 0.00 0.50 41.00 87.00 254.50 573.00 544.00 283.50 106.50 1.00 0.00 1891.00
2011 0.00 0.00 1.50 3.00 73.00 260.00 468.00 613.00 445.00 57.00 0.00 0.00 1920.50
2012 0.00 0.00 0.00 68.50 132.50 268.39 b 658.50 650.00 387.00 80.00 7.00 0.00 a 2251.89
2013 0.00 0.00 2.07 a 10.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.07
Period of Record Statistics
MEAN 0.02 0.30 5.78 55.43 196.42 374.76 627.00 596.20 339.79 86.36 1.42 0.15 2273.39
S.D. 0.20 1.32 9.50 42.75 80.82 86.07 84.93 79.04 95.24 51.11 3.32 0.80 267.35
SKEW 9.64 4.75 2.34 1.52 0.49 0.18 -0.28 -0.15 -0.11 0.84 3.73 5.36 0.22
MAX 2.00 8.50 48.57 237.41 409.50 584.50 831.00 791.50 558.50 242.50 22.00 5.00 2860.50
MIN 0.00 0.00 0.00 0.50 38.00 196.00 367.00 425.50 141.00 12.50 0.00 0.00 1781.00
NO YRS 96 98 95 96 96 97 96 96 93 95 96 94 84