PRINEVILLE 4 NW, OREGON

Monthly Total Growing Degree Days

(356883)

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
1897 0.00 0.00 7.00 112.00 319.82 a 254.50 376.50 528.50 154.20 e 138.39 c 37.20 e 0.00 1928.11
1898 0.00 8.50 0.00 70.50 224.50 335.50 418.50 605.50 230.00 i 37.50 0.00 0.00 1700.50
1899 0.00 0.00 0.00 0.00 13.50 220.50 443.00 126.00 337.00 52.50 0.00 0.00 1192.50
1900 0.00 0.00 28.50 32.50 185.00 385.00 459.00 303.00 156.00 74.50 1.61 b 0.00 1625.11
1901 0.00 0.00 0.00 27.50 155.50 301.50 465.00 669.50 234.50 32.00 8.00 0.00 1893.50
1902 21.00 7.00 37.50 9.50 250.50 260.50 487.50 442.50 143.00 79.57 a 0.00 0.00 1738.57
1903 0.00 0.00 0.00 z 0.00 z 0.00 z 174.50 q 315.50 360.00 150.50 42.50 14.50 0.00 883.00
1904 0.00 0.00 0.50 73.50 127.00 g 243.50 427.00 453.00 229.50 58.50 4.00 0.00 a 1489.50
1905 0.00 0.00 4.50 26.50 79.50 217.50 528.00 406.00 213.62 a 52.50 0.00 0.00 1528.12
1906 0.00 0.00 5.00 46.00 95.50 191.00 640.15 a 437.00 222.50 83.50 31.00 0.00 1751.65
1907 0.00 0.50 0.00 12.00 88.98 d 196.00 466.07 b 305.72 b 107.00 f 83.50 0.00 a 0.00 1152.77
1908 0.00 0.00 g 12.50 34.14 a 35.13 a 210.50 594.00 397.00 233.28 a 29.40 b 7.50 0.00 b 1553.44
1909 0.00 3.50 0.00 4.14 a 75.50 257.07 a 342.50 350.00 216.50 38.75 a 14.00 l 0.00 z 1287.96
1910 0.00 z 0.00 z 0.00 z 139.14 a 224.50 246.00 519.77 a 249.00 f 39.50 p 38.50 f 10.00 0.00 1139.40
1911 0.00 d 0.00 b 11.50 29.50 61.50 279.50 481.50 434.50 181.50 5.00 0.00 0.00 1484.50
1912 0.00 0.00 a 0.00 3.00 98.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 101.50
1913 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 145.50 h 446.50 256.00 r 201.43 b 44.50 7.76 a 0.00 700.19
1914 1.03 a 0.00 2.50 45.00 a 202.50 259.82 b 521.00 311.50 l 184.04 d 53.50 9.50 0.00 1278.89
1915 0.00 b 0.00 9.50 76.55 a 97.50 233.00 412.82 a 593.65 a 173.00 37.72 a 1.61 b 12.18 c 1647.52
1916 0.00 0.00 9.50 44.48 a 57.00 224.50 349.50 429.00 192.50 16.50 0.00 0.00 1322.98
1917 0.00 0.00 0.00 12.50 59.00 247.76 a 565.00 519.00 288.00 108.50 8.50 18.00 1826.26
1918 0.00 1.00 6.50 10.18 b 60.50 415.00 441.75 e 317.50 312.50 88.02 c 0.50 0.50 1653.95
1919 0.00 0.00 0.00 30.50 156.50 231.00 552.50 496.00 186.50 29.50 0.50 0.00 1683.00
1920 1.00 0.00 0.00 14.50 83.50 273.21 b 523.12 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 895.34
1921 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 300.00 h 120.50 129.50 13.50 7.50 271.00
1922 0.00 b 0.00 0.00 0.00 a 121.50 414.50 724.00 517.50 0.00 z 81.50 0.00 0.00 1859.00
1923 0.00 b 0.00 z 12.50 23.00 112.50 213.00 483.50 502.50 264.50 52.50 0.50 0.00 1664.50
1924 0.00 2.50 0.00 26.50 241.00 329.50 484.50 463.00 239.50 i 338.50 3.00 n 0.00 1885.50
1925 0.00 1.50 11.00 114.50 231.00 0.00 z 686.50 606.50 0.00 z 15.00 m 1.00 0.00 1652.00
1926 0.00 0.00 0.00 z 89.00 f 156.50 333.00 635.50 464.50 99.50 52.50 12.41 a 0.00 a 1753.91
1927 0.00 0.00 0.00 42.00 94.50 329.50 0.00 z 400.93 a 159.44 c 70.50 m 4.00 0.00 1030.38
1928 0.00 0.00 a 6.00 22.00 229.50 212.50 438.00 320.00 151.50 30.50 4.00 0.00 1414.00
1929 0.00 a 0.00 11.00 3.00 102.00 228.50 393.50 398.00 122.50 15.50 0.00 2.00 1276.00
1930 0.00 5.00 2.00 45.00 50.50 179.00 391.50 418.00 179.50 23.50 7.00 0.00 a 1301.00
1931 0.00 0.00 8.00 49.00 177.50 211.50 437.50 415.50 157.50 30.50 3.50 0.00 1490.50
1932 0.00 2.50 4.50 22.50 68.50 286.50 310.50 315.50 183.50 88.50 4.00 0.00 1286.50
1933 0.00 0.00 0.00 29.00 53.50 331.50 472.00 398.50 103.50 82.00 0.00 6.00 1476.00
1934 0.00 0.00 11.00 107.50 207.00 222.00 409.00 426.50 185.56 c 99.00 10.86 a 0.00 1678.42
1935 0.00 0.00 0.50 5.00 32.50 233.00 364.00 319.50 212.50 17.00 0.00 0.00 1184.00
1936 0.00 0.00 0.00 68.00 131.50 169.50 425.50 404.50 168.00 51.50 0.00 2.00 1420.50
1937 0.00 0.00 3.50 14.50 100.50 263.50 458.00 313.50 217.50 76.50 7.50 0.00 1455.00
1938 0.00 0.00 0.00 34.00 107.00 296.50 489.50 306.50 268.50 17.50 0.00 0.00 1519.50
1939 0.00 a 0.00 20.00 45.50 189.00 171.00 443.00 386.50 209.00 16.50 0.00 1.50 1482.00
1940 0.00 0.00 6.00 18.50 126.50 291.00 400.00 366.50 189.00 42.00 0.00 0.00 1439.50
1941 0.00 0.00 0.00 18.50 97.00 188.00 466.50 381.50 54.83 a 7.50 0.00 1.50 1215.33
1942 0.00 0.00 a 4.50 16.50 72.50 126.00 438.00 403.00 184.50 52.50 0.00 0.00 1297.50
1943 0.00 0.00 10.50 24.00 39.00 127.00 380.00 254.50 241.50 64.50 0.50 0.00 1141.50
1944 0.00 0.00 0.00 11.50 73.00 151.00 400.00 322.50 248.00 77.00 0.00 0.00 1283.00
1945 0.00 0.00 0.00 33.00 90.00 176.50 457.50 394.50 147.00 61.00 2.50 0.00 1362.00
1946 0.00 0.00 0.50 33.50 111.50 199.50 420.50 388.00 129.50 7.50 0.50 0.00 1291.00
1947 0.00 0.00 0.50 35.50 225.00 176.50 393.00 346.00 250.00 76.00 1.50 0.00 1504.00
1948 0.00 0.00 c 0.50 14.00 95.00 340.50 365.00 303.50 141.21 a 37.50 0.00 0.00 1297.21
1949 0.00 0.00 1.00 40.50 188.00 216.50 343.00 331.50 191.00 10.85 a 6.21 a 0.00 1328.56
1950 0.00 5.50 3.00 9.50 82.67 a 228.21 b 408.00 385.84 c 213.00 80.50 17.00 0.00 1433.22
1951 0.00 b 7.00 3.00 13.50 99.00 247.50 429.00 298.12 a 202.76 a 34.50 0.00 0.00 a 1334.38
1952 0.00 0.00 0.00 45.50 124.00 a 168.00 413.50 371.00 268.50 99.00 0.00 0.00 1489.50
1953 1.03 a 0.00 1.00 29.00 53.00 82.50 379.00 355.00 265.50 41.00 17.50 0.00 1224.53
1954 0.00 0.00 2.00 20.00 142.50 142.50 362.50 198.50 127.00 29.97 a 5.50 0.00 1030.47
1955 0.00 0.00 a 0.00 2.00 59.50 263.50 337.00 309.00 222.93 a 48.50 5.69 a 0.00 1248.12
1956 0.00 0.00 6.00 23.00 167.50 158.79 a 451.50 320.00 168.50 24.50 0.00 0.00 1319.79
1957 0.00 0.00 0.50 25.34 a 133.50 251.38 a 324.50 246.50 241.00 18.00 0.00 0.00 a 1240.72
1958 0.00 8.00 0.00 7.50 239.00 315.00 457.00 493.00 155.50 60.50 7.00 4.00 1746.50
1959 0.00 0.00 0.00 20.50 45.00 254.00 447.50 265.00 161.00 64.00 2.50 0.00 1259.50
1960 0.00 0.00 18.00 36.50 86.00 250.00 516.00 310.50 179.48 a 43.40 a 0.00 0.00 1439.88
1961 0.00 0.00 2.00 30.50 79.00 408.00 477.40 a 514.08 a 85.50 50.00 0.00 0.00 1646.48
1962 0.00 0.00 0.00 85.34 a 36.00 241.50 388.50 339.50 202.50 25.83 a 4.50 4.50 1328.18
1963 0.00 9.00 1.00 0.00 z 121.50 191.50 344.00 0.00 z 363.50 0.00 z 0.00 0.00 1030.50
1964 0.00 0.00 6.00 0.00 0.00 z 221.50 420.50 322.50 115.00 30.50 2.00 0.00 1118.00
1965 0.00 0.00 0.50 33.50 76.50 276.72 a 487.00 422.00 96.00 87.50 5.00 0.00 1484.72
1966 0.00 0.00 11.00 17.50 171.50 262.50 412.00 423.50 291.50 35.65 a 0.00 z 0.00 1625.15
1967 0.00 0.00 3.00 0.00 119.00 300.50 487.00 547.00 340.00 36.50 2.50 0.00 a 1835.50
1968 0.00 7.25 a 12.92 a 28.50 111.50 294.00 513.00 0.00 z 239.50 0.00 z 1.00 0.00 1207.67
1969 0.00 0.00 1.00 30.00 219.00 337.50 403.50 371.00 240.00 12.00 6.00 0.00 1620.00
1970 3.00 0.00 1.50 4.50 134.16 b 387.00 518.50 443.50 130.50 64.00 1.00 0.50 1688.16
1971 0.00 0.00 0.00 9.50 131.00 211.50 506.50 550.50 127.50 72.50 0.00 0.00 1609.00
1972 0.00 6.50 17.00 17.50 150.00 311.50 477.00 481.50 140.00 36.00 0.00 2.00 1639.00
1973 1.00 0.00 0.00 13.00 190.59 d 273.50 442.50 389.50 212.50 29.50 1.50 0.00 1553.59
1974 1.00 0.00 4.50 10.50 76.00 397.00 445.50 443.50 268.00 41.50 9.50 0.00 1697.00
1975 0.00 0.00 0.00 0.00 94.00 234.00 579.00 347.00 235.50 64.50 8.00 1.00 1563.00
1976 0.00 0.00 2.50 13.50 118.50 172.00 501.00 388.00 296.00 80.50 17.00 0.00 1589.00
1977 0.00 0.00 1.00 71.50 51.50 382.50 449.50 550.00 169.00 49.00 0.00 1.00 1725.00
1978 0.00 0.00 29.50 10.50 58.00 296.50 470.00 381.50 177.50 64.50 3.00 0.00 1491.00
1979 0.00 0.00 0.00 16.50 163.50 0.00 z 0.00 z 448.50 338.00 123.50 0.00 0.00 1090.00
1980 0.00 a 2.07 a 0.00 d 53.79 a 122.97 a 179.00 478.00 315.00 245.50 78.50 19.50 7.50 1501.83
1981 0.00 0.00 0.00 61.50 106.50 234.50 394.50 499.50 274.00 48.50 4.00 0.00 1623.00
1982 0.00 7.00 0.00 11.00 92.50 288.50 414.00 414.50 162.00 22.00 1.00 0.00 1412.50
1983 0.00 3.00 3.00 9.00 174.50 217.00 364.00 483.50 152.50 41.50 11.00 0.00 a 1459.00
1984 0.00 0.00 4.00 7.50 90.93 a 201.50 495.00 458.00 194.50 46.00 0.00 0.00 1497.43
1985 0.00 0.00 0.00 48.50 119.50 290.50 586.00 365.50 88.50 26.00 3.00 0.00 1527.50
1986 0.00 7.26 a 25.00 24.00 209.50 409.00 330.00 539.50 103.50 38.50 0.00 0.00 1686.26
1987 0.00 0.00 20.50 91.03 a 189.00 371.50 365.00 400.00 0.00 z 0.00 z 0.00 0.53 b 1437.57
1988 0.00 0.00 0.00 70.00 152.50 311.00 512.00 409.50 210.00 169.00 2.00 0.00 1836.00
1989 0.00 0.00 2.00 71.00 111.00 311.50 438.00 384.50 190.00 40.50 4.00 5.50 1558.00
1990 0.00 0.00 2.50 72.00 71.00 320.50 562.00 478.00 351.50 43.00 1.00 0.00 1901.50
1991 0.00 1.00 0.00 15.50 36.50 185.50 522.00 557.50 317.00 109.50 3.50 0.00 1748.00
1992 5.00 3.50 0.00 66.00 268.00 396.50 452.50 474.00 259.00 61.50 1.50 0.00 1987.50
1993 0.00 0.00 0.00 3.50 223.50 257.50 281.00 369.50 251.50 73.00 0.00 1.50 1461.00
1994 0.00 0.00 12.50 59.50 157.50 298.00 538.50 452.00 318.00 26.50 0.00 0.00 1862.50
1995 7.50 8.50 9.00 1.50 111.00 239.50 467.00 364.00 303.00 50.00 13.00 0.00 a 1574.00
1996 0.00 7.77 a 0.00 40.50 72.00 276.50 555.50 487.50 189.00 95.50 1.50 0.00 1725.77
1997 0.00 0.00 a 22.50 22.00 236.00 216.00 414.50 488.00 247.00 34.50 6.50 0.00 1687.00
1998 0.00 0.00 0.00 36.50 84.50 221.50 605.50 506.00 319.50 21.50 0.00 0.00 1795.00
1999 0.00 0.00 a 0.00 1.50 i 83.00 230.36 b 420.22 d 490.32 a 207.00 58.68 c 25.00 c 0.00 a 1514.57
2000 0.00 c 0.00 b 0.00 c 27.50 126.30 d 230.50 f 0.00 z 0.00 z 223.97 a 43.73 c 0.00 j 0.00 z 421.49
2001 0.00 z 0.00 h 3.50 i 0.00 z 110.00 o 163.00 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2002 0.00 s 0.00 z 0.00 l 35.00 73.50 k 211.50 k 558.00 412.50 201.50 i 0.00 z 0.00 z 0.00 k 1005.50
2003 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 206.50 k 388.50 j 378.50 h 159.00 o 99.50 l 3.50 o 0.00 o 0.00
2004 0.00 l 0.00 k 20.50 k 42.50 f 51.00 j 219.00 g 447.50 f 356.00 j 131.50 m 29.50 o 0.00 p 0.00 q 0.00
2005 0.00 k 0.00 k 10.50 h 28.00 j 116.50 i 123.50 g 364.00 k 349.50 h 178.50 i 53.50 k 6.00 j 0.00 q 0.00
2006 0.00 l 0.00 j 2.50 k 25.50 j 128.50 i 224.50 k 392.00 j 445.33 e 263.00 i 24.00 j 20.00 n 0.00 t 445.33
2007 0.00 k 0.00 i 10.50 k 7.00 l 72.00 o 198.50 i 423.50 i 343.50 h 138.00 l 49.50 j 9.00 m 3.00 r 0.00
2008 0.00 r 0.00 j 0.00 k 15.00 k 87.00 j 84.50 r 289.50 o 327.50 k 233.50 k 90.50 k 14.50 q 0.00 t 0.00
2009 0.00 0.00 h 0.00 l 43.00 j 163.50 j 314.50 605.00 547.00 383.50 30.00 6.00 0.00 1886.00
2010 2.00 0.00 13.50 21.50 86.50 224.00 520.00 469.50 297.50 119.00 20.00 0.00 1773.50
2011 0.00 0.00 4.00 7.50 47.00 235.50 424.00 573.50 476.50 105.50 2.00 0.50 1876.00
2012 0.00 0.00 6.50 109.00 179.50 259.00 546.00 632.50 422.00 124.50 33.00 0.00 2312.00
2013 0.00 0.00 17.50 4.00 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 17.50
Period of Record Statistics
MEAN 0.41 1.12 5.03 32.74 123.84 256.92 457.52 415.59 212.62 57.80 4.86 0.77 1536.55
S.D. 2.22 2.48 7.50 28.78 63.28 69.80 81.96 95.44 76.51 42.80 7.36 2.51 228.67
SKEW 7.97 2.08 2.01 1.42 0.69 0.36 0.58 0.08 0.72 3.16 2.31 4.65 0.42
MAX 21.00 9.00 37.50 139.14 319.82 415.00 724.00 669.50 476.50 338.50 37.20 18.00 2312.00
MIN 0.00 0.00 0.00 0.00 13.50 82.50 281.00 126.00 54.83 5.00 0.00 0.00 1030.47
NO YRS 107 103 103 102 102 101 104 101 99 100 102 104 81