POTLATCH 3 NNE, IDAHO

Monthly Total Growing Degree Days

(107301)

Base Temperature = 50 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1915 0.00 z 0.00 z 3.50 43.00 55.00 150.50 384.50 570.00 118.50 27.50 2.00 0.00 1354.50
1916 0.00 0.00 0.00 15.00 27.50 183.00 326.00 395.50 161.50 8.00 0.50 0.00 1117.00
1917 0.00 0.00 0.00 0.00 57.00 173.50 457.50 420.50 263.50 76.00 5.50 7.00 1460.50
1918 0.00 0.00 0.00 9.50 57.00 378.00 497.00 345.50 286.50 92.00 0.00 0.00 1665.50
1919 0.00 0.00 0.00 18.50 120.00 166.50 417.50 407.50 160.00 17.00 0.00 0.00 1307.00
1920 0.00 0.00 0.00 0.00 28.00 167.50 484.50 443.00 184.50 36.50 0.00 0.00 1344.00
1921 0.00 0.00 0.00 0.50 88.00 294.00 364.50 414.50 78.00 65.00 0.00 1.00 1305.50
1922 0.00 0.00 0.00 2.50 67.50 357.00 453.00 495.00 258.50 71.00 0.00 0.00 1704.50
1923 0.00 0.00 4.50 11.00 78.00 218.00 498.00 437.00 215.00 45.00 0.00 0.00 1506.50
1924 0.00 0.00 0.00 16.00 236.50 259.50 466.50 383.50 244.00 32.00 0.00 2.00 1640.00
1925 0.00 0.00 0.00 39.50 170.00 341.00 566.50 428.00 189.50 4.50 0.00 0.00 1739.00
1926 0.00 0.00 1.00 120.00 127.50 290.00 521.50 418.00 103.00 37.00 0.00 0.00 1618.00
1927 0.00 a 0.00 0.00 27.50 47.00 291.50 471.00 455.50 151.50 76.00 0.00 0.00 1520.00
1928 0.00 0.00 10.50 16.00 237.50 243.00 544.50 355.50 195.50 41.00 0.00 0.00 1643.50
1929 0.00 0.00 1.00 2.50 122.50 230.00 447.50 521.50 151.00 77.00 0.00 0.00 1553.00
1930 0.00 4.50 1.00 68.00 84.50 221.00 522.00 537.00 249.00 25.50 1.50 0.00 1714.00
1931 0.00 0.00 0.00 28.00 201.50 277.00 506.50 499.00 169.00 28.00 0.00 0.00 1709.00
1932 0.00 0.00 0.00 19.00 80.50 424.00 374.50 504.00 0.00 z 0.00 z 0.00 z 0.00 z 1402.00
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 56.50 0.00 0.00 56.50
1937 0.00 0.00 0.00 10.50 73.00 195.50 473.00 329.50 280.00 83.00 1.50 0.00 1446.00
1938 0.00 0.00 0.00 20.00 134.00 362.00 562.50 382.50 449.00 77.50 0.00 0.00 1987.50
1939 0.00 0.00 9.50 68.50 164.50 210.00 476.50 435.50 239.50 28.00 0.00 0.50 1632.50
1940 0.00 0.00 11.00 35.00 219.50 369.50 514.00 435.00 339.50 124.50 0.00 0.00 2048.00
1941 0.00 g 0.00 16.00 36.00 121.00 259.50 578.50 463.00 121.00 27.00 2.00 0.00 1624.00
1942 0.00 0.00 4.00 58.50 111.00 190.00 507.00 511.50 264.50 85.50 0.00 0.00 a 1732.00
1943 0.00 0.00 1.50 51.50 60.00 166.50 476.00 388.00 286.50 134.50 0.00 0.00 1564.50
1944 0.00 0.00 0.00 39.00 196.00 274.50 f 273.00 q 392.50 303.00 114.00 0.00 0.00 1044.50
1945 0.00 0.00 0.00 15.00 161.00 244.00 541.50 504.00 189.50 137.00 1.50 0.00 1793.50
1946 0.00 0.00 4.65 a 67.22 c 150.50 243.62 a 501.50 507.50 243.00 11.50 0.00 d 0.50 1729.99
1947 0.00 0.00 4.50 52.00 267.50 275.00 481.10 e 443.00 284.00 78.50 3.10 a 0.00 1888.70
1948 0.00 0.00 b 0.00 34.50 164.50 424.00 416.50 414.50 235.50 47.50 0.00 0.00 1737.00
1949 0.00 0.00 a 0.00 z 34.50 k 233.50 283.97 a 440.50 447.00 272.50 6.50 3.50 0.00 d 1687.47
1950 0.00 c 0.00 0.00 4.62 d 95.50 285.50 463.00 483.50 252.50 55.00 3.50 0.00 1643.12
1951 0.00 0.00 0.00 d 9.00 153.50 238.20 e 521.50 398.00 257.00 69.50 0.00 0.00 1646.70
1952 0.00 0.00 1.50 72.93 a 166.50 271.00 476.00 447.50 291.00 80.00 0.00 0.00 1806.43
1953 0.00 a 0.00 b 0.00 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 32.50 v 82.50 0.50 0.00 83.00
1954 0.00 0.00 1.50 4.00 142.00 159.50 417.50 321.00 188.00 45.00 2.50 0.00 1281.00
1955 0.00 0.00 0.00 0.00 33.00 259.00 411.50 407.50 203.00 42.22 b 0.00 n 0.00 1356.22
1956 0.00 0.00 0.00 43.00 208.50 219.00 514.50 425.50 211.07 b 0.00 z 0.00 z 0.00 z 1621.57
1957 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 355.00 h 362.00 276.50 37.00 0.00 b 0.00 675.50
1958 0.00 4.00 0.00 4.00 321.00 393.50 566.50 534.00 144.50 21.50 0.00 0.00 1989.00
1959 0.00 0.00 0.00 a 33.50 83.50 288.50 527.00 387.00 189.50 48.00 3.50 0.00 1560.50
1960 0.00 0.00 19.00 40.34 a 104.50 316.50 630.00 410.00 246.21 a 66.50 0.00 0.00 1833.05
1961 0.00 0.00 1.00 20.00 167.50 452.50 550.00 638.50 131.50 59.50 0.00 b 0.00 2020.50
1962 0.00 d 0.00 h 2.00 95.00 62.00 266.50 452.00 428.00 284.00 47.00 0.50 0.00 1637.00
1963 0.00 0.50 5.50 17.50 157.50 303.00 433.00 507.88 a 421.50 130.50 0.00 0.00 1976.88
1964 0.00 0.00 6.00 7.50 112.12 a 268.97 a 470.50 0.00 z 152.50 0.00 z 0.00 f 0.00 1017.58
1965 0.00 0.00 0.00 20.00 56.50 194.00 416.00 427.00 63.00 63.50 0.00 0.00 1240.00
1966 0.00 0.00 0.50 4.00 136.00 164.50 351.00 352.50 291.00 25.50 0.00 0.00 1325.00
1967 0.00 0.00 0.00 0.00 73.50 290.00 418.00 498.50 307.00 25.00 0.00 0.00 1612.00
1968 0.00 0.00 1.00 13.50 58.50 200.50 413.00 302.00 180.50 17.50 0.00 0.00 1186.50
1969 0.00 0.00 0.00 25.00 146.50 321.43 b 319.50 308.00 185.50 8.50 0.00 0.00 1314.43
1970 0.00 0.00 0.00 0.00 102.50 335.00 476.00 408.00 82.50 32.50 0.00 0.00 1436.50
1971 0.00 0.00 0.00 3.50 125.00 151.55 a 387.50 516.50 72.00 45.50 0.00 0.00 1301.55
1972 0.00 0.00 7.00 3.00 143.00 245.50 373.50 463.50 111.00 9.00 0.00 0.00 1355.50
1973 0.00 0.00 0.00 a 2.00 120.00 215.50 406.50 360.00 145.50 10.50 0.00 0.00 1260.00
1974 0.00 0.00 0.00 7.00 32.00 282.50 363.73 a 328.50 147.50 6.72 a 0.00 b 0.00 a 1167.95
1975 0.00 a 0.00 0.00 0.00 81.63 a 132.50 465.00 220.62 a 92.50 24.00 9.00 0.00 1025.25
1976 0.00 0.00 0.00 6.50 72.00 114.50 340.50 350.50 230.50 38.00 1.00 0.00 1153.50
1977 0.00 0.00 0.00 48.89 c 51.84 b 310.00 319.00 414.50 104.48 a 0.00 a 0.00 0.00 1248.72
1978 0.00 0.00 16.00 16.00 46.00 228.50 383.00 292.50 143.00 6.00 0.00 b 0.00 1131.00
1979 0.00 a 0.00 0.00 18.00 102.50 250.00 435.03 a 433.50 233.50 51.00 0.00 0.00 1523.53
1980 0.00 2.00 0.00 a 80.00 c 110.16 c 184.50 406.00 238.50 191.00 64.50 6.72 a 1.60 b 1284.99
1981 3.62 a 0.00 3.50 54.50 91.50 152.50 312.00 439.50 202.50 b 11.50 0.00 b 0.00 e 1271.12
1982 0.00 0.00 c 0.00 7.00 62.00 302.59 a 364.50 388.00 163.50 21.00 0.00 0.00 1308.59
1983 0.00 0.00 0.50 7.50 126.50 183.50 318.00 481.50 101.00 6.00 2.00 0.00 1226.50
1984 0.00 0.00 0.00 16.00 60.50 174.50 407.00 423.50 140.00 40.50 0.00 0.00 1262.00
1985 0.00 0.00 0.00 31.50 155.50 206.50 504.00 306.00 87.00 8.50 0.00 0.00 a 1299.00
1986 0.00 0.00 9.00 11.50 175.00 319.00 271.50 510.00 99.50 27.00 0.00 0.00 1422.50
1987 0.00 0.00 5.00 88.00 161.50 293.50 397.00 333.00 228.00 39.00 0.00 0.00 1545.00
1988 0.00 0.00 0.00 53.00 111.00 240.50 354.50 365.00 182.50 138.00 1.50 0.00 1446.00
1989 0.00 0.00 0.00 19.50 64.00 261.00 401.50 342.00 174.00 21.50 7.50 0.00 1291.00
1990 0.00 0.00 0.00 26.50 79.00 221.50 447.50 434.50 318.50 26.50 2.50 0.00 1556.50
1991 0.00 0.00 1.50 3.00 25.50 140.50 379.50 451.50 181.00 51.50 0.00 0.00 1234.00
1992 0.00 0.00 3.50 38.50 159.50 334.50 390.00 410.00 159.00 56.00 0.00 0.00 1551.00
1993 0.00 0.00 0.00 4.00 245.50 206.50 227.50 302.50 143.50 38.00 0.00 0.00 1167.50
1994 0.00 0.00 3.00 55.50 128.00 197.00 481.00 450.50 241.00 9.50 0.00 0.00 1565.50
1995 0.00 2.50 0.00 9.00 96.50 203.50 380.50 298.50 242.00 15.50 1.50 0.00 1249.50
1996 0.00 0.00 0.00 26.00 40.00 194.50 432.00 390.00 140.00 53.00 0.00 0.00 1275.50
1997 0.00 0.00 0.50 14.50 161.00 222.50 371.00 490.00 261.50 32.00 0.00 0.00 1553.00
1998 0.00 0.00 1.00 39.50 109.50 210.00 590.50 482.00 342.50 18.00 0.00 0.00 b 1793.00
1999 0.00 a 0.00 1.50 12.00 58.50 167.00 332.00 479.90 e 154.14 a 28.42 a 16.50 0.00 k 1249.96
2000 0.00 0.00 0.00 a 29.00 63.50 198.50 347.00 384.00 170.50 21.00 0.00 0.00 1213.50
2001 0.00 0.00 6.00 27.50 158.00 163.50 355.50 467.00 256.55 a 17.00 1.50 0.00 1452.55
2002 0.00 0.00 0.00 0.00 82.00 231.00 496.00 320.50 185.69 a 0.00 z 0.00 z 0.00 z 1315.19
2003 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
2004 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
2005 0.00 z 0.00 z 0.00 38.00 120.00 200.00 495.50 507.50 167.00 40.50 0.00 0.00 e 1568.50
2006 0.00 0.00 0.50 15.50 174.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 190.00
Period of Record Statistics
MEAN 0.04 0.16 2.04 25.90 118.03 247.01 439.43 419.35 203.09 45.15 1.00 0.15 1494.56
S.D. 0.40 0.74 3.91 24.96 61.24 72.59 78.77 75.58 77.09 33.45 2.47 0.83 250.07
SKEW 8.89 4.77 2.54 1.36 0.78 0.65 -0.08 -0.09 0.54 1.09 3.98 7.31 0.36
MAX 3.62 4.50 19.00 120.00 321.00 452.50 630.00 638.50 449.00 138.00 16.50 7.00 2048.00
MIN 0.00 0.00 0.00 0.00 25.50 114.50 227.50 220.62 63.00 0.00 0.00 0.00 1025.25
NO YRS 82 82 83 83 84 82 82 83 83 82 81 82 71