WISDOM, MONTANA

Monthly Total Growing Degree Days

(249067)

Base Temperature = 40 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
1923 0.00 d 0.00 0.00 0.00 z 75.50 377.50 635.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1088.00
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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 a 0.00
1932 0.00 0.00 z 0.00 0.00 z 0.00 z 453.50 664.50 495.48 a 215.89 b 63.60 b 0.00 a 0.00 1892.98
1933 0.00 b 0.00 2.00 48.00 119.00 571.50 703.50 528.50 260.50 118.00 27.50 2.98 e 2381.48
1934 0.00 7.00 12.50 159.00 352.50 426.50 647.50 624.50 273.00 145.00 9.00 0.00 2656.50
1935 0.00 0.00 10.00 26.50 135.50 409.00 650.50 560.50 327.50 136.00 0.00 0.00 2255.50
1936 0.00 0.00 0.00 136.00 368.00 534.50 771.00 616.00 268.00 92.50 0.00 0.00 2786.00
1937 0.00 0.00 0.00 25.50 307.50 411.50 717.50 510.00 403.20 e 100.00 1.00 0.00 2476.20
1938 0.00 0.00 3.00 81.50 181.50 475.00 627.00 545.00 413.50 65.50 0.00 0.00 2392.00
1939 0.00 0.00 2.50 81.50 275.50 331.00 651.00 544.50 269.50 34.50 2.50 16.50 2209.00
1940 0.00 0.00 5.00 42.50 303.00 521.50 712.50 603.00 374.00 115.00 0.00 0.00 2676.50
1941 0.00 0.00 6.00 53.00 263.50 463.50 671.00 587.00 118.50 30.00 0.00 0.00 2192.50
1942 0.00 0.00 0.00 c 84.50 191.17 a 363.50 680.00 567.50 284.50 82.00 0.00 0.00 2253.17
1943 0.00 a 0.00 15.50 89.50 137.00 356.00 646.00 522.00 271.00 21.00 i 0.00 0.00 2037.00
1944 0.00 0.00 0.00 11.50 206.50 357.50 557.50 461.50 358.00 110.50 0.00 0.00 2063.00
1945 0.00 0.00 0.50 35.50 158.50 274.00 630.00 576.50 220.50 115.00 4.50 0.00 2015.00
1946 0.00 0.00 0.50 83.00 121.00 416.00 620.00 527.50 216.50 22.00 5.36 b 0.00 2011.86
1947 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 288.50 s 385.34 a 233.50 0.52 a 0.00 619.36
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 456.00 465.00 212.14 b 54.77 a 0.00 0.00 z 1187.91
1949 0.00 z 0.00 z 0.00 z 112.50 p 0.00 z 274.50 f 556.40 b 197.50 w 174.00 g 8.50 1.00 0.00 565.90
1950 0.50 0.00 0.50 20.00 97.50 347.00 509.50 452.00 201.50 88.00 0.00 0.00 1716.50
1951 0.00 3.50 0.00 a 21.21 a 188.50 227.50 575.00 438.50 195.50 54.25 a 0.00 0.00 1703.96
1952 0.00 0.00 0.00 60.52 a 224.50 393.50 524.00 503.00 258.50 46.00 0.00 0.00 2010.02
1953 0.00 0.00 0.00 37.00 86.50 337.50 646.00 538.00 277.24 a 64.00 7.50 0.00 1993.74
1954 0.00 a 0.00 0.00 29.00 228.00 286.00 657.50 425.50 228.50 34.50 12.00 0.00 1901.00
1955 0.00 0.00 0.00 3.00 103.00 326.00 549.22 a 557.50 238.97 a 98.34 b 0.00 0.00 1876.03
1956 0.00 0.00 0.50 21.50 242.50 370.00 573.50 419.00 219.00 42.50 0.00 0.00 1888.50
1957 0.00 21.00 0.00 15.50 190.00 297.50 502.00 393.50 184.00 46.50 a 0.00 0.00 1650.00
1958 0.00 0.00 0.00 3.00 303.50 329.50 440.50 487.00 148.50 28.00 0.00 0.00 1740.00
1959 0.00 0.00 0.00 24.50 50.50 409.00 527.50 431.50 186.00 53.00 5.00 0.00 1687.00
1960 0.00 0.00 0.00 39.00 105.00 362.00 639.50 384.50 222.50 29.00 2.00 0.00 1783.50
1961 0.00 1.00 0.00 18.00 133.50 492.50 600.50 609.00 105.00 53.00 0.00 0.00 2012.50
1962 0.00 0.00 0.00 38.50 123.00 361.00 483.50 429.00 205.50 61.50 1.50 0.00 1703.50
1963 0.00 0.00 1.00 18.00 177.50 309.50 501.50 492.50 346.00 136.00 0.00 0.00 1982.00
1964 0.00 0.00 0.00 13.00 139.50 301.50 609.50 447.20 d 154.00 44.50 0.00 0.00 1709.20
1965 0.00 0.00 0.00 30.00 a 82.50 321.50 524.00 456.50 89.50 76.00 0.00 0.00 1580.00
1966 0.00 0.00 1.50 9.00 196.85 a 296.00 573.00 464.50 310.50 22.50 7.50 0.00 1881.35
1967 0.00 0.00 0.00 0.00 162.00 360.00 599.50 556.50 348.00 28.00 4.00 0.00 2058.00
1968 0.00 0.00 1.00 13.00 54.50 320.00 549.50 407.00 204.00 34.50 0.00 0.00 1583.50
1969 0.00 0.00 0.00 35.50 229.00 319.50 525.50 530.50 238.50 20.50 4.00 0.00 1903.00
1970 0.00 0.00 0.00 0.00 160.17 a 424.50 611.00 553.00 181.00 37.00 0.00 0.00 1966.67
1971 2.50 0.00 0.00 8.00 171.00 302.50 511.00 616.50 148.50 65.50 1.50 0.00 1827.00
1972 0.00 0.00 2.50 11.00 131.50 412.00 485.50 534.00 162.50 47.00 0.00 0.00 1786.00
1973 0.00 0.00 0.00 3.00 139.00 353.00 572.00 515.50 201.50 63.07 b 4.00 0.00 1851.07
1974 2.00 0.00 1.00 32.50 90.50 472.50 573.50 424.00 213.50 40.00 3.00 0.00 1852.50
1975 0.00 0.00 0.00 0.00 74.50 269.50 674.00 421.00 212.50 69.00 3.00 2.07 a 1725.57
1976 1.00 0.00 0.00 0.00 205.50 293.50 569.00 425.00 273.50 56.50 10.00 0.00 1834.00
1977 0.00 0.00 0.00 64.00 111.00 473.50 501.50 467.00 219.50 31.00 0.00 0.00 1867.50
1978 0.00 0.00 a 7.50 29.48 a 99.00 322.50 530.00 427.50 264.50 64.50 2.07 a 0.00 a 1747.05
1979 0.00 0.00 a 1.00 11.50 160.00 394.50 564.00 516.00 325.00 111.50 0.00 1.00 2084.50
1980 0.00 0.00 0.00 90.50 201.00 348.50 542.50 408.00 271.50 71.50 12.50 4.50 1950.50
1981 0.00 0.00 0.00 75.00 167.00 341.50 531.00 579.50 266.00 24.00 1.50 0.00 1985.50
1982 0.00 t 0.00 0.00 0.00 119.50 381.50 524.50 545.50 220.50 32.50 0.00 0.00 1824.00
1983 0.00 0.00 1.00 14.00 136.50 339.00 516.00 605.00 217.50 48.00 14.50 0.00 1891.50
1984 3.00 0.00 0.50 19.00 161.00 304.50 576.00 563.50 180.50 43.50 0.00 0.00 1851.50
1985 0.00 0.00 0.00 60.00 220.50 387.50 665.00 426.00 172.50 42.37 a 0.00 0.00 1973.87
1986 0.00 5.50 14.00 35.50 217.00 472.00 452.50 542.00 141.00 17.00 0.00 a 0.00 1896.50
1987 0.00 0.00 0.00 111.00 229.50 415.50 496.00 383.50 266.50 40.50 8.00 0.00 1950.50
1988 0.00 0.00 0.50 70.00 200.00 535.00 587.50 460.50 204.50 117.00 3.00 0.00 2178.00
1989 0.00 0.00 3.00 61.00 134.50 389.50 641.50 468.00 206.50 75.00 15.00 0.00 1994.00
1990 0.00 0.00 0.50 74.00 98.00 356.00 578.50 502.00 366.00 59.00 5.50 0.00 2039.50
1991 0.00 0.00 0.00 23.00 103.00 297.00 560.50 574.00 294.00 86.50 0.00 0.00 1938.00
1992 0.00 0.00 0.00 67.00 244.00 454.50 466.00 497.50 220.50 82.50 0.00 0.00 2032.00
1993 0.00 0.00 1.00 3.00 296.50 306.00 334.00 394.50 230.00 65.50 0.00 0.00 1630.50
1994 0.00 0.00 7.00 70.00 227.00 386.00 537.50 536.50 312.00 33.50 0.00 0.00 2109.50
1995 0.00 5.00 3.50 17.50 165.00 347.50 567.00 493.50 280.50 35.50 8.50 0.00 1923.50
1996 0.00 0.00 0.00 42.50 98.50 415.50 583.50 475.50 191.00 94.00 0.00 0.00 1900.50
1997 0.00 0.00 0.00 16.50 215.50 414.31 a 526.00 520.50 289.00 47.50 3.00 0.00 2032.31
1998 0.00 0.00 1.50 43.00 189.50 275.00 685.00 543.00 386.90 a 30.00 3.50 0.00 2157.40
1999 0.00 a 0.00 0.00 22.00 126.50 325.34 a 489.50 573.50 a 211.50 85.50 21.21 a 0.00 1855.05
2000 0.00 b 0.00 a 0.52 a 63.62 a 175.00 368.79 a 552.50 495.50 224.48 a 39.55 b 0.00 e 0.00 1919.96
2001 0.00 b 0.00 0.53 b 36.21 a 227.50 247.00 g 565.75 a 577.63 a 343.45 a 53.22 a 0.00 d 0.00 a 1804.29
2002 0.00 0.00 0.00 19.50 163.50 406.50 670.50 388.50 264.00 12.50 1.50 0.00 c 1926.50
2003 0.00 0.00 11.00 49.00 195.00 381.50 691.00 645.50 274.50 141.00 1.50 0.00 e 2390.00
2004 0.00 0.00 15.50 g 50.50 162.15 e 368.00 478.00 f 485.00 223.50 69.00 0.00 0.00 e 1358.15
2005 0.00 0.00 e 5.00 36.50 149.00 304.00 613.50 516.50 252.00 98.00 9.00 f 0.00 1974.50
2006 0.00 0.00 0.00 b 48.50 225.50 451.50 701.50 487.50 242.00 60.00 18.00 h 0.00 2216.50
2007 0.00 0.00 35.50 47.00 217.00 453.00 788.00 527.00 236.00 45.00 2.00 0.00 c 2350.50
2008 0.00 0.00 d 0.00 b 13.00 153.50 329.00 603.50 516.00 191.50 69.50 0.00 k 0.00 c 1876.00
2009 0.00 f 0.00 a 0.00 e 28.50 192.50 329.00 405.50 g 494.00 380.40 e 21.00 0.50 l 0.00 1445.40
2010 0.00 h 0.00 g 0.00 e 38.40 e 53.00 f 340.00 440.00 f 460.50 291.00 126.00 2.50 0.00 b 1258.40
2011 0.00 i 0.00 b 0.50 f 1.80 e 111.17 b 302.78 c 549.14 c 539.63 d 312.22 c 65.00 i 0.00 f 0.00 1816.74
2012 0.00 f 0.00 d 8.04 d 76.00 f 144.48 c 342.32 b 454.00 j 536.76 d 250.00 c 44.50 f 6.50 k 0.00 1281.60
2013 0.00 f 0.00 a 0.00 j 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 0.12 0.54 2.14 38.33 173.01 373.01 583.05 504.03 248.10 64.59 2.96 0.33 1987.14
S.D. 0.51 2.62 5.14 32.05 67.21 69.40 80.40 64.69 69.77 38.59 5.14 1.93 254.95
SKEW 4.52 6.50 4.20 1.29 0.63 0.65 0.01 -0.02 0.34 1.44 2.59 7.57 1.07
MAX 3.00 21.00 35.50 159.00 368.00 571.50 788.00 645.50 413.50 233.50 27.50 16.50 2786.00
MIN 0.00 0.00 0.00 0.00 50.50 227.50 334.00 383.50 89.50 8.50 0.00 0.00 1580.00
NO YRS 75 79 78 76 77 78 77 79 80 78 75 81 66