HALFWAY, OREGON

Monthly Total Growing Degree Days

(353604)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1936 0.00 z 0.00 z 0.00 z 0.00 z 315.00 413.00 701.50 680.50 345.50 157.00 0.00 0.00 2612.50
1937 0.00 0.00 1.00 25.00 253.50 357.00 749.50 595.50 434.00 140.00 0.00 0.00 2555.50
1938 0.00 0.00 0.00 54.00 190.00 476.50 690.50 559.00 502.00 91.00 0.00 c 0.00 2563.00
1939 0.00 0.00 3.62 a 99.00 321.48 d 272.50 704.00 723.50 394.00 60.00 0.00 0.00 2578.10
1940 0.00 0.00 z 0.00 x 38.00 319.50 499.50 636.50 692.00 336.50 107.50 0.00 0.00 2629.50
1941 0.00 0.00 z 3.50 49.50 183.00 0.00 z 225.50 t 159.50 q 169.50 24.00 6.50 0.00 a 436.00
1942 0.00 0.00 a 0.00 72.32 b 111.00 244.29 b 313.00 p 589.50 284.50 86.00 0.00 0.00 1387.61
1943 0.00 0.00 0.00 87.86 b 0.00 z 237.00 586.42 a 500.50 373.00 117.28 a 0.00 0.00 1902.06
1944 0.00 0.00 0.00 29.50 211.50 280.00 573.50 499.00 311.00 94.50 0.00 0.00 1999.00
1945 0.00 0.00 t 0.00 56.90 a 183.42 a 268.00 582.50 561.50 224.50 98.68 a 0.00 0.00 a 1975.50
1946 0.00 0.00 0.00 76.00 177.50 0.00 z 561.50 535.27 a 186.50 9.00 0.50 0.00 1546.27
1947 0.00 0.00 2.00 35.50 253.50 229.00 532.00 435.50 263.00 0.00 z 0.00 0.00 1750.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 450.50 409.00 224.48 a 63.00 0.00 q 0.00 o 1146.98
1949 0.00 f 0.00 0.00 b 57.50 265.16 c 326.50 521.00 535.27 a 326.79 b 5.00 0.00 a 0.00 2037.21
1950 0.00 0.00 0.00 15.00 93.00 d 286.50 504.78 a 512.50 252.50 95.30 d 2.00 k 0.00 1759.58
1951 0.00 e 0.00 e 0.00 15.50 166.00 235.50 563.00 470.50 254.00 30.48 a 0.00 f 0.00 a 1734.98
1952 0.00 a 0.00 a 0.00 77.50 88.00 i 162.00 i 501.50 485.31 b 305.50 71.00 n 0.00 j 0.00 e 1369.81
1953 0.00 h 0.00 0.00 f 36.50 50.00 185.50 552.50 509.00 345.00 a 78.00 0.00 c 0.00 1756.50
1954 0.00 a 0.00 d 1.55 a 18.50 211.04 e 184.50 m 575.00 394.50 232.76 a 27.26 b 3.00 0.00 1463.61
1955 0.00 f 0.00 b 0.00 u 2.00 108.50 d 356.00 521.32 a 525.45 a 257.68 b 57.00 1.03 a 0.00 a 1828.98
1956 0.00 0.00 4.13 a 33.50 184.40 b 278.40 e 600.00 472.00 266.50 47.53 a 0.00 a 0.00 1886.46
1957 0.00 0.00 0.00 a 27.41 a 194.50 330.50 523.00 452.08 a 320.69 a 33.50 0.00 b 0.00 1881.69
1958 0.00 0.00 0.00 9.00 323.50 387.50 588.50 606.00 207.00 96.00 0.00 0.00 2217.50
1959 0.00 0.00 0.00 29.00 74.00 383.50 555.50 431.00 186.72 a 26.50 0.00 0.00 1686.22
1960 0.00 b 0.00 b 0.00 d 34.00 68.41 b 330.50 475.00 j 383.50 311.38 a 36.00 0.50 0.00 1164.29
1961 0.00 0.00 0.00 29.50 165.50 485.50 609.50 663.00 145.00 50.50 0.00 0.00 2148.50
1962 0.00 0.00 0.00 69.00 82.00 312.00 474.50 443.50 272.50 16.50 0.00 0.00 1670.00
1963 0.00 0.00 1.00 9.00 189.50 287.50 456.50 522.00 404.00 131.50 0.00 0.00 2001.00
1964 0.00 0.00 0.00 6.50 138.00 292.50 551.00 432.50 167.50 56.00 0.00 0.00 1644.00
1965 0.00 0.00 0.00 51.50 113.50 324.50 549.50 465.00 149.00 74.50 3.50 0.00 1731.00
1966 0.00 0.00 12.50 49.00 248.00 290.00 549.50 525.00 384.00 31.00 4.00 0.00 2093.00
1967 0.00 0.00 0.50 0.00 154.50 328.50 625.00 637.00 406.50 24.00 0.00 0.00 2176.00
1968 0.00 0.00 0.00 25.50 107.50 332.50 602.50 408.50 230.00 14.50 0.00 0.00 1721.00
1969 0.00 0.00 4.00 39.00 245.50 365.50 514.50 521.00 290.00 6.00 0.00 0.00 1985.50
1970 0.00 0.00 0.00 5.00 139.50 422.50 585.00 563.00 145.00 41.00 0.00 0.00 1901.00
1971 0.00 0.00 0.00 10.00 208.00 276.00 577.00 671.50 139.00 53.50 0.00 0.00 1935.00
1972 0.00 0.00 3.50 5.00 195.00 353.50 517.50 596.00 165.50 65.50 0.00 0.00 1901.50
1973 0.00 0.00 0.00 14.50 206.00 344.50 586.50 512.00 252.50 30.50 1.00 0.00 1947.50
1974 0.00 0.00 0.50 19.50 117.50 470.50 535.50 494.50 296.50 25.50 1.00 0.00 1961.00
1975 0.00 0.00 0.00 3.00 112.50 276.00 683.00 435.00 294.50 70.50 0.00 0.00 1874.50
1976 0.00 0.00 0.00 16.50 173.00 248.50 587.00 409.50 319.00 45.50 1.50 0.00 1800.50
1977 0.00 0.00 0.00 100.50 89.50 487.50 530.50 566.00 238.50 28.50 0.00 0.00 2041.00
1978 0.00 0.00 28.50 18.50 77.00 315.50 530.50 435.00 222.00 48.00 2.50 0.00 1677.50
1979 0.00 0.00 0.00 22.50 181.00 339.00 585.00 550.00 345.00 120.50 0.00 0.00 2143.00
1980 0.00 0.00 0.00 86.50 194.00 259.50 549.00 395.00 280.50 76.50 3.00 0.00 1844.00
1981 0.00 0.00 0.00 75.00 155.00 272.00 483.00 608.00 290.00 4.50 0.50 0.00 1888.00
1982 0.00 0.00 0.00 20.50 100.00 378.50 514.00 559.00 239.50 44.00 0.00 0.00 1855.50
1983 0.00 0.00 8.00 11.50 188.00 302.00 458.00 606.50 182.00 32.50 7.50 0.00 1796.00
1984 0.00 0.00 0.00 22.50 113.00 249.00 556.50 604.00 222.50 62.00 0.00 0.00 1829.50
1985 0.00 0.00 0.00 87.50 207.00 368.50 675.50 435.00 126.50 18.50 0.00 0.00 1918.50
1986 0.00 0.00 a 19.00 27.50 217.50 482.00 438.00 589.00 140.50 22.50 0.00 0.00 1936.00
1987 0.00 0.00 0.00 127.50 257.00 388.50 510.47 a 455.00 311.90 a 71.50 9.00 0.00 2130.86
1988 0.00 b 0.00 c 1.50 70.50 178.00 419.50 559.50 497.50 235.50 201.50 4.50 0.00 2168.00
1989 0.00 0.00 0.00 a 86.50 120.00 384.50 583.50 439.00 248.50 41.50 0.00 0.00 1903.50
1990 0.00 0.00 2.00 113.50 99.00 328.00 612.00 542.50 436.50 28.50 0.00 0.00 2162.00
1991 0.00 0.00 0.00 16.50 94.00 256.00 585.00 620.00 350.50 97.50 0.00 0.00 2019.50
1992 0.00 0.00 11.50 85.50 295.50 460.00 473.50 530.00 220.00 61.00 0.00 0.00 2137.00
1993 0.00 0.00 0.00 10.50 236.50 236.00 252.50 309.00 170.00 104.00 1.00 0.00 1319.50
1994 0.00 0.00 7.50 76.50 245.50 349.50 645.00 582.00 345.00 30.00 0.00 0.00 2281.00
1995 0.00 0.00 0.00 14.00 147.00 309.50 529.00 420.00 314.00 5.50 0.00 0.00 1739.00
1996 0.00 0.00 0.00 34.50 112.00 344.50 628.50 547.50 219.50 107.50 0.00 0.00 1994.00
1997 0.00 0.00 7.50 36.50 243.00 349.00 520.00 564.00 340.50 55.50 0.00 0.00 2116.00
1998 0.00 0.00 1.50 47.00 167.00 289.00 718.00 601.00 400.50 20.00 0.00 0.00 2244.00
1999 0.00 0.00 0.00 17.00 137.00 326.50 512.00 592.50 233.00 44.50 3.50 0.00 1866.00
2000 0.00 0.00 0.00 49.00 202.00 371.50 584.00 560.00 231.50 17.50 0.00 0.00 2015.50
2001 0.00 0.00 6.00 54.00 237.50 345.50 597.50 637.00 362.00 31.50 0.00 0.00 2271.00
2002 0.00 0.00 0.00 25.50 175.50 436.00 682.00 456.50 274.00 11.00 0.00 0.00 2060.50
2003 0.00 0.00 20.50 29.00 208.50 396.50 735.00 635.00 332.00 157.50 0.00 0.00 2514.00
2004 0.00 0.00 8.50 42.50 136.50 401.50 642.00 576.00 234.50 76.00 0.00 0.00 2117.50
2005 0.00 0.00 0.00 29.00 177.50 278.50 630.00 568.00 211.50 35.50 0.00 0.00 1930.00
2006 0.00 0.00 0.00 27.00 199.00 418.50 726.50 494.00 260.00 40.50 5.50 0.00 2171.00
2007 0.00 0.00 8.50 51.50 233.00 429.50 798.00 543.00 262.50 33.50 0.00 0.00 2359.50
2008 0.00 0.00 0.00 14.50 196.00 337.50 601.00 559.00 276.00 62.50 2.50 0.00 2049.00
2009 0.00 0.00 0.00 33.00 201.00 360.00 622.00 569.50 376.00 24.00 0.00 0.00 2185.50
2010 0.00 0.00 2.50 34.00 83.00 282.50 537.00 479.50 279.50 27.50 z 0.00 z 0.00 z 1698.00
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 35.50 z 593.50 683.50 447.50 90.00 0.00 0.00 1814.50
2012 0.00 0.00 10.00 113.28 a 179.00 382.50 754.00 673.50 386.50 70.50 2.50 0.00 2571.78
2013 0.00 0.00 a 7.75 a 2.00 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 7.75
Period of Record Statistics
MEAN 0.00 0.00 2.62 41.11 177.20 339.74 577.43 530.77 278.20 58.01 0.90 0.00 2019.19
S.D. 0.00 0.00 5.31 30.45 65.36 72.29 86.10 85.50 82.61 40.68 1.90 0.00 251.01
SKEW 0.00 0.00 2.82 0.91 0.25 0.36 -0.17 -0.02 0.30 1.11 2.48 0.00 0.28
MAX 0.00 0.00 28.50 127.50 323.50 499.50 798.00 723.50 502.00 201.50 9.00 0.00 2578.10
MIN 0.00 0.00 0.00 0.00 50.00 185.50 252.50 309.00 126.50 4.50 0.00 0.00 1319.50
NO YRS 72 72 72 74 73 71 74 76 77 74 72 75 58