SANDPOINT EXP STN, IDAHO

Monthly Total Growing Degree Days

(108137)

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
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 56.00 0.00 0.00 56.00
1911 0.00 0.00 1.50 15.50 43.00 265.00 430.00 320.00 132.00 13.50 0.00 0.00 1220.50
1912 0.00 0.00 0.00 9.00 111.50 326.00 356.50 274.50 49.00 15.50 0.00 h 0.00 1142.00
1913 0.00 0.00 0.00 20.00 124.50 327.93 a 429.00 0.00 z 161.38 a 16.00 0.00 0.00 1078.81
1914 0.00 0.00 0.00 19.00 182.38 a 244.50 534.00 452.00 124.00 18.50 0.00 0.00 1574.38
1915 0.00 0.00 3.00 73.50 126.50 238.00 431.00 615.00 180.50 27.00 0.00 0.00 1694.50
1916 0.00 0.00 0.00 23.00 47.50 228.00 382.00 349.50 140.00 5.00 0.00 0.00 1175.00
1917 0.00 0.00 0.00 0.00 88.57 c 203.50 477.50 418.00 240.50 47.50 5.50 0.00 1481.07
1918 0.00 0.00 0.00 29.50 71.50 370.00 505.30 a 315.00 235.50 40.00 0.00 0.00 1566.80
1919 0.00 0.00 0.50 38.50 136.92 a 249.50 470.00 455.70 a 206.38 a 13.00 0.00 0.00 1570.50
1920 0.00 0.00 0.00 13.50 39.00 154.00 528.50 417.50 137.00 24.00 0.00 0.00 a 1313.50
1921 0.00 a 0.00 0.00 1.50 163.00 373.00 434.50 454.00 87.50 15.00 0.00 0.00 1528.50
1922 0.00 0.00 0.00 5.50 97.00 415.00 482.00 512.50 220.50 42.00 0.00 0.00 1774.50
1923 0.00 0.00 0.00 11.50 82.50 292.50 558.50 429.50 220.00 58.50 0.00 0.00 1653.00
1924 0.00 0.00 0.00 15.00 228.00 260.00 462.00 369.50 168.50 7.50 0.00 0.00 1510.50
1925 0.00 0.00 0.00 40.50 199.00 314.00 551.00 422.00 204.50 0.00 0.00 0.00 1731.00
1926 0.00 0.00 4.00 116.00 118.00 313.00 519.00 375.50 99.50 24.00 0.00 0.00 1569.00
1927 0.00 0.00 0.00 30.00 68.00 310.00 474.00 468.50 139.50 22.50 0.00 0.00 1512.50
1928 0.00 0.00 0.00 13.50 234.50 278.50 502.50 372.50 186.00 30.50 0.00 0.00 1618.00
1929 0.00 0.00 0.00 8.50 136.50 250.50 415.00 489.00 123.00 12.00 0.00 0.00 1434.50
1930 0.00 0.00 0.00 50.00 85.50 181.50 g 536.00 495.00 238.00 30.00 0.00 0.00 1434.50
1931 0.00 0.00 0.00 37.00 185.00 284.50 488.00 446.92 a 154.50 9.00 0.00 0.00 1604.92
1932 0.00 0.00 0.00 14.50 113.00 310.50 390.00 450.50 142.50 33.00 0.00 0.00 1454.00
1933 0.00 0.00 0.00 26.50 65.00 286.00 451.00 449.00 107.50 32.66 c 1.55 a 0.00 1419.21
1934 0.00 0.00 0.00 136.00 221.00 303.00 456.00 257.00 l 0.00 z 0.00 z 0.00 z 0.00 z 1116.00
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 8.00 z 36.00 0.00 0.00 36.00
1936 0.00 0.00 0.00 91.00 269.00 333.00 394.00 g 450.53 a 175.50 22.00 0.00 0.00 1341.03
1937 0.00 0.00 0.00 12.00 163.00 310.00 522.00 335.50 248.00 36.00 0.00 0.00 1626.50
1938 0.00 0.00 0.00 22.50 137.50 367.50 552.00 304.00 349.50 41.50 0.00 0.00 1774.50
1939 0.00 0.00 2.00 45.50 168.00 196.50 506.00 490.50 209.50 33.00 0.00 0.00 1651.00
1940 0.00 0.00 0.00 30.00 219.00 390.50 525.00 477.00 366.00 47.00 0.00 0.00 2054.50
1941 0.00 0.00 5.50 65.00 154.00 334.50 595.50 448.50 102.50 4.50 2.00 0.00 1712.00
1942 0.00 0.00 0.00 28.00 98.00 200.50 498.00 492.50 231.00 55.50 0.00 0.00 1603.50
1943 0.00 a 0.00 0.00 25.50 56.00 169.00 456.50 376.00 247.00 84.50 0.00 0.00 1414.50
1944 0.00 0.00 0.00 32.00 170.50 307.00 458.50 396.50 235.00 54.00 0.00 0.00 1653.50
1945 0.00 0.00 0.00 9.00 148.00 269.50 510.00 448.50 152.50 46.50 1.00 0.00 1585.00
1946 0.00 0.00 0.00 31.50 184.50 240.00 465.50 448.00 166.50 3.00 0.00 0.00 1539.00
1947 0.00 0.00 0.00 30.00 219.50 244.00 486.00 385.50 181.00 42.50 0.00 0.00 1588.50
1948 0.00 0.00 0.00 20.50 169.00 396.00 393.50 400.00 191.50 20.00 0.00 0.00 1590.50
1949 0.00 0.00 0.00 24.00 233.50 260.50 480.00 432.50 232.00 7.00 1.50 0.00 1671.00
1950 0.00 0.00 0.00 1.50 81.50 265.50 475.00 464.00 237.00 16.00 0.50 0.00 1541.00
1951 0.00 0.00 0.00 3.00 f 148.50 230.00 489.80 a 417.50 161.00 30.00 0.00 a 0.00 1476.80
1952 0.00 0.00 0.00 56.00 157.50 264.50 449.50 431.00 229.50 31.50 0.00 0.00 1619.50
1953 0.00 0.00 0.00 9.50 91.50 191.00 437.00 432.00 224.00 23.50 0.00 0.00 1408.50
1954 0.00 0.00 0.00 9.00 141.00 188.50 383.00 323.50 160.50 8.00 0.00 f 0.00 1213.50
1955 0.00 0.00 0.00 0.00 38.00 325.00 403.50 355.50 182.50 11.00 0.00 0.00 1315.50
1956 0.00 0.00 0.00 22.00 203.50 226.50 496.50 407.50 182.00 20.00 0.00 0.00 1558.00
1957 0.00 0.00 0.00 26.50 247.50 292.00 406.50 355.00 233.50 24.50 0.00 0.00 1585.50
1958 0.00 0.00 0.00 4.00 289.50 396.50 537.50 572.00 193.00 30.00 0.00 0.00 2022.50
1959 0.00 0.00 0.00 12.00 64.50 284.50 467.00 325.00 128.00 11.00 0.00 0.00 1292.00
1960 0.00 0.00 0.00 15.50 60.50 281.00 555.50 360.50 177.50 11.50 0.00 0.00 1462.00
1961 0.00 0.00 0.00 15.50 114.50 413.50 547.00 565.00 124.50 20.50 0.00 0.00 1800.50
1962 0.00 0.00 a 0.00 27.50 82.50 279.50 410.00 396.50 223.50 15.50 0.00 0.00 1435.00
1963 0.00 0.00 0.00 14.50 160.50 337.00 429.50 489.00 311.00 49.00 0.00 0.00 1790.50
1964 0.00 0.00 0.00 0.00 127.00 301.50 469.00 287.00 81.00 14.00 0.00 0.00 1279.50
1965 0.00 0.00 0.00 23.00 99.00 267.00 478.50 466.00 80.50 48.50 0.00 0.00 1462.50
1966 0.00 0.00 1.00 10.00 179.00 207.00 440.00 418.00 326.50 20.00 0.00 0.00 1601.50
1967 0.00 0.00 0.00 0.00 120.00 343.50 481.50 568.00 363.50 24.50 0.00 0.00 1901.00
1968 0.00 0.00 0.00 21.50 91.50 265.00 480.50 372.50 178.00 5.00 0.00 0.00 1414.00
1969 0.00 0.00 0.00 20.00 193.50 360.00 386.00 379.50 234.00 1.00 0.00 0.00 1574.00
1970 0.00 0.00 0.00 1.00 129.50 371.50 523.00 429.50 116.50 22.00 0.00 0.00 1593.00
1971 0.00 0.00 0.00 8.00 163.50 212.00 430.50 521.00 103.00 25.00 0.00 0.00 1463.00
1972 0.00 0.00 2.50 3.50 155.00 269.50 398.00 484.50 122.00 10.50 0.00 0.00 1445.50
1973 0.00 0.00 0.00 4.50 150.50 293.00 474.00 453.00 196.00 8.50 0.00 0.00 1579.50
1974 0.00 0.00 0.50 26.50 68.00 409.50 446.50 433.50 213.00 2.00 0.00 0.00 1599.50
1975 0.00 0.00 0.00 6.00 98.00 227.00 551.00 335.50 156.50 16.50 6.00 0.00 1396.50
1976 0.00 0.00 0.00 12.00 143.00 187.00 415.50 367.50 207.00 26.50 0.00 0.00 1358.50
1977 0.00 0.00 0.00 79.50 78.50 366.00 409.00 490.50 119.00 4.00 0.00 0.00 1546.50
1978 0.00 0.00 0.00 30.50 70.50 330.00 469.50 380.50 181.00 18.00 0.00 0.00 1480.00
1979 0.00 0.00 0.00 16.50 135.50 0.00 z 0.00 z 542.50 242.50 32.00 0.00 0.00 969.00
1980 0.00 0.00 0.00 90.50 197.50 248.50 479.50 329.00 205.50 28.50 1.00 0.00 1580.00
1981 0.00 0.00 0.00 36.50 127.00 153.00 399.00 507.00 202.50 0.00 0.00 0.00 1425.00
1982 0.00 0.00 0.00 3.50 102.50 398.50 401.00 457.00 216.50 10.00 0.00 0.00 1589.00
1983 0.00 0.00 0.00 14.50 183.00 273.50 363.00 0.00 z 130.50 12.00 0.00 0.00 976.50
1984 0.00 0.00 0.00 27.50 61.50 229.00 489.50 455.50 153.00 19.12 a 0.00 0.00 1435.12
1985 0.00 0.00 a 0.00 31.07 b 188.50 316.50 618.50 351.16 b 106.07 b 6.20 a 0.00 a 0.00 1618.00
1986 0.00 0.00 6.00 21.00 204.50 414.00 348.00 562.65 a 145.00 31.50 0.00 0.00 1732.65
1987 0.00 0.00 0.00 85.50 196.50 394.00 483.00 413.00 239.00 38.00 1.00 0.00 1850.00
1988 0.00 0.00 0.00 88.50 153.00 295.00 418.50 434.50 189.50 96.00 2.50 0.00 1677.50
1989 0.00 0.00 0.00 32.00 95.00 373.00 488.50 391.50 161.00 5.00 2.50 0.00 1548.50
1990 0.00 0.00 0.00 33.00 118.50 261.50 528.50 479.50 315.50 14.50 0.00 0.00 1751.00
1991 0.00 0.00 0.00 15.00 93.00 206.50 485.00 499.00 246.50 36.00 0.00 0.00 1581.00
1992 0.00 0.00 0.00 46.50 203.50 422.50 425.50 440.00 118.50 39.00 0.00 0.00 1695.50
1993 0.00 0.00 0.00 2.50 279.00 264.00 280.00 388.50 174.00 29.00 0.00 0.00 1417.00
1994 0.00 0.00 1.50 53.00 173.50 238.50 561.50 533.00 262.50 18.50 0.00 0.00 1842.00
1995 0.00 0.00 0.00 12.00 189.50 285.50 480.00 347.50 265.00 5.50 0.00 0.00 1585.00
1996 0.00 0.00 0.00 22.50 55.00 276.50 517.50 431.50 160.00 38.50 0.00 0.00 1501.50
1997 0.00 0.00 0.00 7.50 164.00 278.00 477.00 531.50 258.50 25.00 0.00 0.00 1741.50
1998 0.00 0.00 0.00 34.00 205.63 a 313.50 651.50 513.00 351.50 19.00 0.00 0.00 2088.13
1999 0.00 0.00 2.00 15.50 80.50 239.50 381.50 540.00 157.00 6.50 7.00 0.00 1429.50
2000 0.00 0.00 0.00 18.50 120.00 275.50 468.10 a 466.00 170.50 10.50 0.00 0.00 a 1529.10
2001 0.00 a 0.00 1.50 26.00 155.50 226.50 460.00 517.00 315.50 18.00 0.00 a 0.00 1720.00
2002 0.00 0.00 0.00 16.00 119.00 338.50 549.00 428.00 209.50 6.50 0.00 0.00 1666.50
2003 0.00 0.00 7.50 32.50 152.50 372.50 596.00 563.50 256.00 81.50 1.00 0.00 2063.00
2004 0.00 0.00 4.50 26.00 148.00 332.00 566.50 408.00 g 111.50 i 24.50 j 0.00 h 0.00 h 1077.00
2005 0.00 j 0.00 h 0.00 63.00 93.50 k 198.00 h 280.50 n 321.50 i 107.50 h 15.50 j 0.00 h 0.00 l 63.00
2006 0.00 i 0.00 0.00 21.50 186.00 391.00 622.00 474.50 233.50 31.50 f 9.00 0.00 1937.50
2007 0.00 0.00 0.00 23.00 155.00 313.00 688.00 475.00 232.50 14.00 0.00 0.00 f 1900.50
2008 0.00 0.00 0.00 10.50 168.50 237.00 524.00 438.50 0.00 z 42.00 0.00 0.00 j 1420.50
2009 0.00 0.00 0.00 0.00 z 153.50 311.00 549.00 401.00 h 0.00 z 0.00 i 0.00 0.00 z 1013.50
2010 0.00 y 0.00 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 51.00 z 57.00 r 33.00 t 0.00 w 0.00 z 0.00
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 314.50 f 409.50 g 279.44 c 24.00 0.00 0.00 303.44
2012 0.00 0.00 b 0.00 52.00 92.00 215.50 571.43 a 498.58 a 237.78 c 36.68 a 5.00 c 0.00 a 1708.98
2013 0.00 b 0.00 a 0.00 3.00 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 0.44 27.33 140.42 290.56 478.36 435.76 194.37 24.91 0.49 0.00 1585.36
S.D. 0.00 0.00 1.32 25.40 56.85 65.20 68.83 71.23 66.25 18.24 1.53 0.00 177.46
SKEW 0.00 0.00 3.56 1.93 0.29 0.15 0.23 0.02 0.46 1.34 3.80 0.00 0.57
MAX 0.00 0.00 7.50 136.00 289.50 422.50 688.00 615.00 366.00 96.00 9.00 0.00 2088.13
MIN 0.00 0.00 0.00 0.00 38.00 153.00 280.00 274.50 49.00 0.00 0.00 0.00 1175.00
NO YRS 98 99 100 97 98 96 96 93 95 97 97 96 84