CRESTON, MONTANA

Monthly Total Growing Degree Days

(242104)

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
1949 0.00 z 0.00 n 0.00 19.50 185.00 255.00 395.00 427.50 150.00 4.00 0.00 0.00 1436.00
1950 0.00 0.00 0.00 0.00 83.50 223.00 435.00 387.50 167.00 19.50 0.00 0.00 1315.50
1951 0.00 0.00 0.00 8.50 80.50 138.50 453.00 321.00 71.50 3.50 0.00 0.00 1076.50
1952 0.00 0.00 0.00 35.00 99.00 205.50 364.00 392.67 a 178.50 14.00 0.00 a 0.00 1288.67
1953 0.00 c 0.00 0.00 17.50 50.00 151.50 444.00 407.00 196.50 22.00 0.50 0.00 1289.00
1954 0.00 0.00 0.00 7.00 123.48 a 162.50 415.50 312.00 113.50 6.00 0.00 0.00 1139.98
1955 0.00 0.00 0.00 0.00 21.18 a 266.38 a 398.50 379.00 156.21 a 6.50 0.00 0.00 1227.77
1956 0.00 a 0.00 0.00 6.50 192.50 273.00 459.50 370.50 178.50 5.50 0.00 0.00 1486.00
1957 0.00 0.00 0.00 24.00 184.00 292.50 477.00 385.50 196.50 23.00 0.00 0.00 1582.50
1958 0.00 0.00 0.00 6.50 302.50 367.00 469.50 555.00 189.00 26.50 0.00 0.00 1916.00
1959 0.00 0.00 0.00 8.00 45.50 296.50 450.00 339.50 121.50 10.00 0.00 0.00 1271.00
1960 0.00 0.00 0.00 9.50 75.50 291.00 581.77 a 327.00 166.00 30.00 0.00 0.00 1480.77
1961 0.00 0.00 0.00 5.00 133.00 441.00 502.00 550.50 70.50 16.00 0.00 0.00 1718.00
1962 0.00 0.00 0.00 34.50 84.00 269.50 375.00 375.00 165.50 15.00 0.00 0.00 1318.50
1963 0.00 0.00 1.00 17.00 103.50 283.50 403.50 460.50 263.50 34.50 0.00 0.00 1567.00
1964 0.00 0.00 0.00 0.50 107.00 261.50 443.50 281.50 66.50 2.00 0.00 0.00 1162.50
1965 0.00 0.00 0.00 13.50 85.00 233.50 452.00 420.50 24.00 36.50 0.00 0.00 1265.00
1966 0.00 0.00 1.00 8.00 178.50 190.00 448.00 362.00 282.00 15.50 0.00 0.00 1485.00
1967 0.00 0.00 0.00 0.00 146.50 280.00 499.50 533.50 330.50 19.00 0.00 0.00 1809.00
1968 0.00 0.00 0.00 24.50 45.00 272.00 451.00 349.50 141.50 2.50 0.00 0.00 1286.00
1969 0.00 0.00 0.00 20.50 150.00 267.00 381.00 410.50 194.50 4.50 0.00 0.00 1428.00
1970 0.00 0.00 0.00 3.50 138.00 358.50 457.50 389.50 82.50 11.00 0.00 0.00 1440.50
1971 0.00 0.00 0.00 14.00 137.00 157.00 372.00 561.50 65.50 18.00 0.00 0.00 1325.00
1972 0.00 0.00 0.00 0.50 119.00 282.50 352.00 492.50 115.00 5.00 0.00 0.00 1366.50
1973 0.00 0.00 0.00 5.00 128.00 241.00 467.50 454.00 146.00 8.00 0.00 0.00 1449.50
1974 0.00 0.00 0.00 17.00 32.50 353.00 457.50 360.50 118.00 1.00 0.00 0.00 1339.50
1975 0.00 0.00 0.00 0.00 55.50 187.00 591.00 302.50 107.50 9.00 0.50 0.00 1253.00
1976 0.00 0.00 0.00 11.50 109.00 149.50 415.00 346.00 169.50 27.50 0.00 0.00 1228.00
1977 0.00 0.00 0.00 45.50 59.50 345.00 389.00 396.50 94.00 0.00 0.00 0.00 1329.50
1978 0.00 0.00 0.00 14.50 39.50 276.50 414.00 320.00 152.00 4.00 4.00 0.00 1224.50
1979 0.00 0.00 0.00 7.50 97.00 285.00 466.00 477.50 206.00 34.50 0.00 0.00 1573.50
1980 0.00 0.00 0.00 80.50 160.50 224.00 417.50 267.00 138.50 28.00 0.00 0.00 1316.00
1981 0.00 0.00 0.00 20.50 131.50 121.00 398.00 506.00 185.50 6.50 0.00 0.00 1369.00
1982 0.00 0.00 0.00 5.50 80.50 298.50 354.50 401.00 133.00 4.00 0.00 0.00 1277.00
1983 0.00 0.00 0.00 21.50 135.00 222.00 297.50 478.50 91.50 0.00 3.00 0.00 1249.00
1984 0.00 0.00 0.00 15.00 55.00 206.00 474.50 450.50 103.50 14.50 0.00 0.00 1319.00
1985 0.00 0.00 0.00 24.50 168.50 230.00 566.50 317.50 52.50 3.00 0.00 0.00 1362.50
1986 0.00 0.00 8.50 21.50 171.00 422.59 a 304.50 495.50 76.50 0.50 0.00 0.00 1500.59
1987 0.00 0.00 0.00 53.00 193.00 350.50 413.00 304.00 202.50 10.00 0.00 0.00 1526.00
1988 0.00 0.00 0.00 45.00 111.00 345.00 425.00 423.50 162.50 49.50 0.00 0.00 1561.50
1989 0.00 0.00 0.00 23.50 60.00 292.00 492.00 358.00 109.00 3.00 5.00 0.00 1342.50
1990 0.00 0.00 0.00 26.00 68.50 235.50 470.00 449.00 271.00 17.00 0.00 0.00 1537.00
1991 0.00 0.00 0.00 3.50 75.50 171.50 434.00 470.50 142.50 24.00 0.00 0.00 1321.50
1992 0.00 0.00 0.00 23.00 152.50 368.00 339.50 396.00 90.00 35.50 0.00 0.00 1404.50
1993 0.00 0.00 0.00 0.00 216.50 213.50 200.50 307.50 106.50 16.50 0.00 0.00 1061.00
1994 0.00 0.00 0.00 33.00 146.00 230.00 510.00 517.50 192.50 17.00 0.00 0.00 1646.00
1995 0.00 0.00 0.00 0.00 92.00 215.00 406.50 298.00 191.50 1.50 0.00 0.00 1204.50
1996 0.00 0.00 0.00 12.50 26.00 259.50 479.50 387.50 127.50 21.50 0.00 0.00 1314.00
1997 0.00 0.00 0.00 0.50 127.00 236.50 399.50 431.00 178.50 21.50 0.00 0.00 1394.50
1998 0.00 0.00 0.00 27.00 161.00 183.50 572.50 486.50 297.00 8.50 0.00 0.00 1736.00
1999 0.00 0.00 0.00 17.00 78.00 193.50 332.00 480.50 94.00 10.00 12.00 0.00 1217.00
2000 0.00 0.00 0.00 15.50 88.50 192.50 434.00 414.00 119.50 0.00 z 0.00 0.00 1264.00
2001 0.00 0.00 0.00 21.00 156.50 172.00 404.00 452.50 220.50 3.50 0.00 0.00 1430.00
2002 0.00 0.00 0.00 0.50 82.50 248.50 530.00 316.50 163.50 3.50 0.00 0.00 1345.00
2003 0.00 0.00 3.50 17.00 122.00 303.00 577.00 521.00 186.50 42.00 0.00 0.00 1772.00
2004 0.00 0.00 4.50 18.50 75.00 222.00 495.50 438.50 103.00 2.50 0.00 0.00 1359.50
2005 0.00 0.00 0.00 15.00 82.50 172.50 455.50 394.50 125.50 14.50 0.00 0.00 1260.00
2006 0.00 0.00 0.00 18.50 154.00 320.00 592.00 429.00 151.50 24.00 2.00 0.00 1691.00
2007 0.00 0.00 0.00 5.00 106.00 268.50 675.50 375.50 152.00 3.00 0.00 0.00 1585.50
2008 0.00 0.00 0.00 2.50 84.50 202.50 454.00 416.50 90.50 23.00 0.00 0.00 1273.50
2009 0.00 0.00 0.00 17.50 146.00 289.50 528.50 499.50 306.00 0.00 0.00 0.00 1787.00
2010 0.00 0.00 0.00 22.50 58.00 192.00 367.50 356.50 98.50 37.50 0.00 0.00 1132.50
2011 0.00 0.00 0.00 0.00 55.36 c 148.45 a 367.98 d 445.76 b 198.21 b 16.02 a 0.00 a 0.00 a 1231.78
2012 0.00 b 0.00 0.00 50.17 a 67.17 a 127.00 i 471.00 406.00 171.00 26.00 1.00 0.00 1192.34
2013 0.00 0.00 0.00 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 0.28 16.27 110.58 250.87 442.49 408.43 151.74 14.63 0.44 0.00 1396.21
S.D. 0.00 0.00 1.26 15.15 52.80 69.54 79.29 72.86 63.37 12.07 1.72 0.00 189.00
SKEW 0.00 0.00 5.22 1.66 0.80 0.46 0.14 0.17 0.69 0.79 5.31 0.00 0.75
MAX 0.00 0.00 8.50 80.50 302.50 441.00 675.50 561.50 330.50 49.50 12.00 0.00 1916.00
MIN 0.00 0.00 0.00 0.00 21.18 121.00 200.50 267.00 24.00 0.00 0.00 0.00 1061.00
NO YRS 64 64 65 64 64 63 64 64 64 63 64 64 61