PRIEST RIVER EXP STN, IDAHO

Monthly Total Growing Degree Days

(107386)

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
1898 0.00 z 0.00 g 0.00 22.00 71.50 291.00 407.50 423.00 j 172.50 2.50 0.00 z 0.00 z 967.00
1899 0.00 z 0.00 z 0.00 z 0.00 39.50 135.00 f 606.00 358.00 299.00 23.50 1.00 0.00 1327.00
1900 0.00 0.00 2.00 38.00 158.00 39.50 y 394.00 g 306.50 173.50 10.50 0.00 0.00 688.50
1901 0.00 0.00 0.00 15.50 171.00 146.00 376.00 513.50 72.50 24.50 0.00 0.00 1319.00
1902 0.00 0.00 0.00 0.00 119.50 141.50 316.00 316.00 107.50 15.00 0.00 0.00 1015.50
1903 0.00 0.00 e 0.00 3.50 73.00 h 291.00 f 319.50 378.00 58.50 0.00 z 0.00 0.00 759.50
1904 0.00 w 0.00 j 0.00 9.00 e 94.50 195.50 456.50 423.00 0.00 z 0.00 z 0.00 z 0.00 z 1178.50
1905 0.00 0.00 0.00 46.50 181.00 389.00 675.00 519.50 218.00 14.00 0.00 0.00 d 2043.00
1906 0.00 0.00 0.00 z 0.00 z 0.00 z 211.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 211.50
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 0.00
1912 0.00 0.00 0.00 0.00 83.00 323.50 329.50 255.50 29.50 1.00 0.00 0.00 1022.00
1913 0.00 0.00 0.00 0.00 90.50 246.50 310.00 348.00 103.00 2.50 0.00 0.00 1100.50
1914 0.00 0.00 z 0.00 4.00 104.50 189.50 433.50 367.00 74.50 11.00 0.00 0.00 1184.00
1915 0.00 0.00 0.00 34.00 71.00 170.00 347.00 536.50 93.50 6.50 0.00 0.00 1258.50
1916 0.00 0.00 0.00 12.50 23.50 192.93 a 346.50 358.00 132.50 0.00 0.00 0.00 1065.93
1917 0.00 0.00 0.00 0.00 50.00 175.50 432.00 395.00 183.00 32.50 0.00 0.00 1268.00
1918 0.00 0.00 0.00 1.50 36.00 322.50 434.50 247.50 209.50 50.50 0.00 0.00 1302.00
1919 0.00 0.00 0.00 13.89 c 110.50 203.00 440.00 400.50 132.00 3.00 0.00 0.00 1302.89
1920 0.00 0.00 0.00 0.00 18.50 153.00 491.00 406.50 103.00 12.00 0.00 a 0.00 c 1184.00
1921 0.00 0.00 0.00 0.00 92.50 285.00 352.00 392.00 30.00 10.16 b 0.00 0.00 1161.66
1922 0.00 0.00 0.00 0.00 62.50 356.50 428.00 451.50 179.50 11.00 0.00 0.00 b 1489.00
1923 0.00 0.00 0.00 2.00 70.00 242.50 506.50 408.50 185.00 32.50 0.00 a 0.00 1447.00
1924 0.00 0.00 0.00 1.50 185.50 218.50 458.50 347.50 185.00 0.00 0.00 0.00 1396.50
1925 0.00 0.00 0.00 17.50 136.50 299.00 523.50 369.50 191.00 0.00 0.00 0.00 1537.00
1926 0.00 0.00 0.00 101.00 89.50 272.00 531.00 357.00 57.50 11.50 0.00 0.00 1419.50
1927 0.00 0.00 0.00 18.00 48.00 284.50 438.00 409.50 110.00 17.00 0.00 0.00 1325.00
1928 0.00 0.00 a 0.00 8.00 206.50 235.50 488.00 360.00 171.50 20.00 0.00 0.00 1489.50
1929 0.00 0.00 0.00 7.50 111.00 226.00 395.50 466.50 116.00 23.00 0.00 0.00 1345.50
1930 0.00 0.00 0.00 33.00 74.00 190.50 457.00 482.50 208.50 13.00 0.00 0.00 1458.50
1931 0.00 0.00 0.00 20.50 167.00 249.00 468.50 406.50 124.50 6.00 0.00 0.00 1442.00
1932 0.00 0.00 0.00 8.50 81.00 283.50 384.50 428.00 151.50 25.50 0.00 0.00 1362.50
1933 0.00 0.00 0.00 7.00 39.00 267.00 446.50 459.50 102.50 34.50 0.00 0.00 1356.00
1934 0.00 0.00 0.00 115.00 197.50 280.50 445.50 429.00 132.50 35.50 0.00 0.00 1635.50
1935 0.00 0.00 0.00 1.00 74.50 217.50 440.50 346.50 231.50 32.50 0.00 0.00 1344.00
1936 0.00 0.00 0.00 43.00 231.50 326.50 483.50 419.00 150.00 16.00 0.00 0.00 1669.50
1937 0.00 0.00 0.00 0.00 107.00 283.50 499.50 291.00 218.00 20.00 0.00 0.00 1419.00
1938 0.00 0.00 0.00 9.50 112.50 321.50 524.50 334.00 351.50 25.00 0.00 0.00 1678.50
1939 0.00 0.00 0.00 40.50 136.00 158.00 461.00 431.00 181.50 8.00 0.00 0.00 1416.00
1940 0.00 0.00 0.00 7.00 182.50 347.00 507.50 440.72 a 325.50 37.50 0.00 0.00 1847.72
1941 0.00 0.00 0.00 41.00 142.00 294.00 563.00 416.50 80.50 0.50 0.00 0.00 1537.50
1942 0.00 0.00 0.00 22.00 87.50 180.00 480.50 455.00 208.00 30.50 0.00 0.00 1463.50
1943 0.00 0.00 0.00 26.00 55.00 153.00 440.00 355.00 205.50 99.50 0.00 0.00 1334.00
1944 0.00 0.00 0.00 10.50 138.50 291.00 441.00 381.00 248.00 36.00 0.00 0.00 1546.00
1945 0.00 0.00 z 0.00 6.00 119.00 224.00 487.50 438.00 143.00 55.50 0.00 0.00 1473.00
1946 0.00 0.00 0.00 36.00 132.00 197.50 427.00 398.00 133.00 3.00 0.00 0.00 1326.50
1947 0.00 0.00 0.00 23.00 161.00 203.00 440.00 352.50 163.50 28.50 0.00 0.00 1371.50
1948 0.00 0.00 0.00 3.50 139.50 377.00 346.50 330.00 161.50 9.50 0.00 0.00 1367.50
1949 0.00 0.00 0.00 15.50 205.00 209.00 421.50 412.50 199.00 1.50 1.50 0.00 1465.50
1950 0.00 0.00 0.00 0.00 59.00 244.00 441.00 436.00 217.50 6.50 0.00 0.00 1404.00
1951 0.00 0.00 0.00 0.00 105.50 188.50 451.50 396.00 150.50 39.27 a 0.00 0.00 1331.27
1952 0.00 0.00 0.00 26.50 122.00 223.97 a 417.47 a 389.50 230.50 37.50 0.00 0.00 1447.43
1953 0.00 0.00 0.00 10.50 85.00 159.50 409.00 419.50 191.50 25.00 0.00 0.00 1300.00
1954 0.00 0.00 0.00 1.00 114.50 163.50 373.00 312.00 155.50 1.50 0.00 0.00 1121.00
1955 0.00 0.00 0.00 0.00 26.50 266.50 399.50 344.00 186.00 7.00 0.00 0.00 1229.50
1956 0.00 0.00 0.00 14.00 199.00 195.00 469.50 390.50 182.50 13.00 0.00 0.00 1463.50
1957 0.00 0.00 0.00 24.50 217.50 290.00 367.50 315.50 234.00 16.00 0.00 0.00 1465.00
1958 0.00 0.00 0.00 0.00 294.00 383.00 515.00 544.50 173.00 26.50 0.00 0.00 1936.00
1959 0.00 0.00 0.00 3.00 51.50 255.50 448.00 294.50 108.50 4.00 0.00 0.00 1165.00
1960 0.00 0.00 0.00 8.00 65.00 247.50 538.00 293.50 164.00 16.50 0.00 0.00 1332.50
1961 0.00 0.00 0.00 6.21 a 122.00 393.00 517.50 581.00 105.00 15.00 0.00 0.00 1739.71
1962 0.00 0.00 0.00 30.50 65.00 239.50 380.50 355.50 189.50 12.50 0.00 0.00 1273.00
1963 0.00 0.00 0.00 9.50 121.00 283.50 389.00 460.50 319.50 46.00 0.00 0.00 1629.00
1964 0.00 0.00 0.00 0.00 103.00 267.50 447.00 273.50 72.50 6.50 0.00 0.00 1170.00
1965 0.00 0.00 0.00 8.00 66.50 233.50 464.00 440.00 50.00 23.50 0.00 0.00 1285.50
1966 0.00 0.00 0.00 2.00 181.00 181.50 415.50 402.50 302.00 19.50 0.00 0.00 1504.00
1967 0.00 0.00 0.00 0.00 87.00 320.50 458.50 538.50 323.50 16.00 0.00 0.00 1744.00
1968 0.00 0.00 0.00 19.50 75.50 223.00 462.50 332.00 155.50 2.50 0.00 0.00 1270.50
1969 0.00 0.00 0.00 14.00 163.50 334.50 354.50 356.50 193.50 3.00 0.00 0.00 1419.50
1970 0.00 0.00 0.00 0.00 125.00 373.50 528.00 460.00 117.00 36.00 0.00 0.00 1639.50
1971 0.00 0.00 0.00 0.00 160.00 222.00 459.00 539.00 88.00 36.00 0.00 0.00 1504.00
1972 0.00 0.00 0.00 0.00 183.00 302.50 402.50 536.50 129.00 22.00 0.00 0.00 1575.50
1973 0.00 0.00 0.00 6.50 150.00 285.50 500.50 462.00 217.00 7.00 0.00 0.00 1628.50
1974 0.00 0.00 0.00 20.00 58.00 394.00 467.00 450.50 241.50 1.50 0.00 0.00 1632.50
1975 0.00 0.00 0.00 2.50 110.00 246.50 632.50 391.50 227.50 35.00 4.50 0.00 1650.00
1976 0.00 0.00 0.00 2.00 108.00 193.00 435.50 391.00 256.00 30.50 0.00 0.00 a 1416.00
1977 0.00 0.00 0.00 50.00 58.50 321.00 387.00 473.50 122.00 3.50 0.00 0.00 1415.50
1978 0.00 0.00 1.00 30.00 63.00 332.00 498.50 388.50 185.00 11.00 0.00 0.00 1509.00
1979 0.00 0.00 0.00 16.50 141.00 334.50 526.00 543.50 287.50 45.00 0.00 0.00 1894.00
1980 0.00 a 0.00 0.00 74.00 166.00 226.50 442.00 295.50 179.00 40.50 0.00 0.00 1423.50
1981 0.00 0.00 0.00 26.50 105.00 143.00 398.50 499.00 217.50 3.50 0.00 0.00 1393.00
1982 0.00 0.00 0.00 1.50 105.50 392.50 380.00 426.00 199.50 7.50 0.00 0.00 1512.50
1983 0.00 0.00 0.00 16.00 158.00 279.50 376.50 510.50 107.00 7.00 0.00 0.00 1454.50
1984 0.00 0.00 0.00 5.50 43.50 170.50 409.50 401.00 103.50 10.50 0.00 0.00 1144.00
1985 0.00 0.00 0.00 2.00 197.00 283.50 623.00 374.00 92.50 2.00 0.00 0.00 1574.00
1986 0.00 0.00 0.00 10.50 192.00 412.50 349.00 565.00 102.50 20.00 0.00 0.00 1651.50
1987 0.00 0.00 0.00 65.00 171.50 369.00 451.00 376.00 256.00 26.50 0.00 0.00 1715.00
1988 0.00 0.00 0.00 51.00 120.50 283.50 401.50 417.50 178.00 56.50 0.00 0.00 1508.50
1989 0.00 0.00 0.00 18.50 85.50 310.50 444.50 349.00 151.50 3.00 5.00 0.00 1367.50
1990 0.00 0.00 0.00 19.00 89.00 242.00 506.50 460.00 303.50 5.50 0.00 0.00 1625.50
1991 0.00 0.00 0.00 12.50 128.00 257.50 447.50 484.00 210.50 20.00 0.00 0.00 1560.00
1992 0.00 0.00 0.00 39.00 210.50 395.50 404.00 410.00 102.50 39.50 0.00 0.00 1601.00
1993 0.00 0.00 0.00 0.00 264.50 245.50 248.50 314.50 146.50 20.00 0.00 0.00 1239.50
1994 0.00 0.00 0.00 45.00 154.00 247.50 545.50 471.50 231.50 2.00 0.00 0.00 1697.00
1995 0.00 0.00 0.00 5.00 148.00 254.00 443.50 303.50 213.00 0.50 0.00 0.00 1367.50
1996 0.00 0.00 0.00 14.00 49.00 241.00 473.00 402.50 116.00 7.00 0.00 0.00 1302.50
1997 0.00 0.00 0.00 0.50 138.50 242.00 409.00 463.00 211.00 23.00 0.00 0.00 1487.00
1998 0.00 0.00 0.00 34.50 169.00 235.00 599.50 483.50 284.00 15.00 0.00 0.00 1820.50
1999 0.00 0.00 0.00 4.00 81.50 204.50 357.50 499.00 102.50 1.50 4.00 0.00 1254.50
2000 0.00 0.00 0.00 18.00 76.00 228.50 426.50 397.50 124.00 0.00 0.00 0.00 1270.50
2001 0.00 0.00 0.00 22.50 153.00 191.00 435.00 485.00 237.50 4.00 0.00 0.00 1528.00
2002 0.00 0.00 0.00 9.00 95.00 320.50 515.50 349.00 147.50 2.50 0.00 0.00 1439.00
2003 0.00 0.00 4.50 18.00 128.50 316.50 518.50 504.00 199.00 50.50 0.00 0.00 1739.50
2004 0.00 0.00 0.00 18.00 94.00 281.00 487.00 470.00 115.50 4.00 0.00 0.00 1469.50
2005 0.00 0.00 0.00 34.00 147.50 241.50 451.50 403.00 112.00 9.00 0.00 0.00 1398.50
2006 0.00 0.00 0.00 13.50 164.00 313.50 562.50 424.00 185.50 12.50 6.00 0.00 1681.50
2007 0.00 0.00 0.00 5.00 144.00 255.50 621.50 407.50 154.50 2.50 0.00 0.00 1590.50
2008 0.00 0.00 0.00 0.00 147.00 222.50 448.50 415.50 119.50 30.00 0.00 0.00 1383.00
2009 0.00 0.00 0.00 8.50 136.00 287.50 506.00 467.00 246.50 0.00 0.00 0.00 1651.50
2010 0.00 0.00 0.00 35.50 67.50 220.00 399.50 362.00 127.50 31.50 0.00 0.00 1243.50
2011 0.00 0.00 0.00 0.00 64.00 183.00 361.50 401.00 231.00 32.00 0.00 0.00 1272.50
2012 0.00 0.00 0.00 54.00 94.00 255.00 577.00 466.00 190.50 16.50 3.50 0.00 1656.50
2013 0.00 0.00 0.00 a 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
Period of Record Statistics
MEAN 0.00 0.00 0.07 16.60 118.28 258.63 449.84 409.86 170.19 17.97 0.24 0.00 1447.56
S.D. 0.00 0.00 0.48 20.26 54.09 65.82 74.22 71.09 67.76 16.42 1.00 0.00 197.51
SKEW 0.00 0.00 8.06 2.22 0.52 0.36 0.39 0.12 0.35 1.56 4.37 0.00 0.34
MAX 0.00 0.00 4.50 115.00 294.00 412.50 675.00 581.00 351.50 99.50 6.00 0.00 2043.00
MIN 0.00 0.00 0.00 0.00 18.50 141.50 248.50 247.50 29.50 0.00 0.00 0.00 1015.50
NO YRS 108 106 109 109 108 107 108 108 108 107 107 108 102