BULLFROG BASIN, at

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(421020)

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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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
1967 ----- z ----- z 25.00 a 33.00 34.00 48.00 63.00 61.00 50.00 34.00 28.00 8.00 8.00
1968 5.00 23.00 29.00 30.00 37.00 50.00 57.00 50.00 48.00 36.00 22.00 12.00 5.00
1969 20.00 22.00 26.00 25.00 45.00 44.00 54.00 59.00 45.00 38.00 26.00 19.00 19.00
1970 7.00 18.00 24.00 31.00 a 37.00 51.00 59.00 65.00 44.00 28.00 24.00 19.00 7.00
1971 3.00 15.00 15.00 b 31.00 c 43.00 c 54.00 62.00 58.00 44.00 25.00 26.00 12.00 3.00
1972 11.00 15.00 31.00 28.00 a 40.00 48.00 63.00 46.00 49.00 30.00 24.00 14.00 11.00
1973 9.00 19.00 31.00 31.00 40.00 51.00 62.00 59.00 45.00 34.00 21.00 18.00 9.00
1974 4.00 17.00 18.00 a 32.00 44.00 52.00 60.00 58.00 46.00 38.00 24.00 15.00 a 4.00
1975 12.00 19.00 c 21.00 21.00 33.00 a 48.00 59.00 a 49.00 44.00 31.00 20.00 18.00 12.00
1976 14.00 25.00 24.00 e 36.00 a 45.00 49.00 a 65.00 61.00 51.00 36.00 13.00 17.00 13.00
1977 11.00 22.00 24.00 32.00 40.00 60.00 64.00 57.00 52.00 42.00 28.00 21.00 11.00
1978 24.00 d 23.00 33.00 37.00 38.00 44.00 61.00 60.00 45.00 41.00 29.00 5.00 5.00
1979 4.00 6.00 28.00 33.00 35.00 e 45.00 62.00 58.00 56.00 33.00 d 19.00 20.00 4.00
1980 25.00 23.00 26.00 a 32.00 a 40.00 b 42.00 b 59.00 57.00 49.00 b 32.00 23.00 a 26.00 23.00
1981 23.00 22.00 32.00 34.00 b 38.00 51.00 64.00 61.00 44.00 35.00 25.00 21.00 21.00
1982 8.00 12.00 27.00 34.00 43.00 51.00 61.00 62.00 49.00 33.00 28.00 18.00 8.00
1983 19.00 25.00 32.00 31.00 40.00 52.00 63.00 64.00 45.00 43.00 27.00 17.00 17.00
1984 12.00 21.00 22.00 31.00 40.00 45.00 65.00 65.00 48.00 32.00 22.00 24.00 12.00
1985 15.00 12.00 22.00 38.00 45.00 46.00 63.00 63.00 46.00 39.00 22.00 20.00 12.00
1986 26.00 17.00 29.00 36.00 36.00 52.00 62.00 61.00 47.00 k 35.00 j 29.00 k 22.00 17.00
1987 16.00 27.00 25.00 26.00 46.00 51.00 62.00 a 59.00 50.00 45.00 27.00 20.00 16.00
1988 19.00 24.00 25.00 33.00 41.00 55.00 68.00 62.00 47.00 41.00 24.00 13.00 13.00
1989 13.00 4.00 23.00 40.00 j 45.00 l 51.00 63.00 60.00 49.00 32.00 24.00 17.00 4.00
1990 18.00 j 20.00 24.00 38.00 i 40.00 b ----- z ----- z ----- z ----- z 36.00 27.00 0.00 0.00
1991 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1992 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1993 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1994 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1995 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1996 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1997 ----- z ----- z 25.00 31.00 37.00 58.00 57.00 62.00 53.00 32.00 25.00 20.00 20.00
1998 23.00 21.00 22.00 31.00 45.00 50.00 66.00 63.00 55.00 40.00 30.00 10.00 10.00
1999 24.00 21.00 a 32.00 31.00 37.00 48.00 65.00 b 59.00 44.00 38.00 a 25.00 a 19.00 a 19.00
2000 18.00 b 25.00 30.00 b 37.00 42.00 61.00 65.00 67.00 43.00 39.00 25.00 a 21.00 18.00
2001 22.00 a 23.00 31.00 33.00 39.00 46.00 70.00 u 62.00 a 49.00 40.00 24.00 16.00 16.00
2002 15.00 8.00 20.00 38.00 44.00 56.00 67.00 60.00 51.00 37.00 26.00 13.00 8.00
2003 25.00 18.00 28.00 ----- z 36.00 53.00 65.00 ----- z 49.00 41.00 22.00 18.00 18.00
2004 17.00 18.00 29.00 39.00 42.00 55.00 a 60.00 59.00 47.00 35.00 22.00 16.00 16.00
2005 16.00 25.00 26.00 32.00 43.00 48.00 62.00 ----- z 52.00 40.00 18.00 13.00 13.00
2006 17.00 21.00 25.00 35.00 47.00 55.00 66.00 61.00 44.00 38.00 17.00 15.00 15.00
2007 8.00 20.00 21.00 a 37.00 39.00 50.00 65.00 63.00 45.00 37.00 21.00 17.00 8.00
2008 13.00 ----- z 19.00 c 33.00 35.00 48.00 64.00 64.00 53.00 34.00 27.00 ----- z 13.00
2009 17.00 ----- z ----- z 32.00 54.00 d 54.00 67.00 60.00 49.00 32.00 24.00 12.00 12.00
2010 21.00 24.00 31.00 30.00 37.00 50.00 56.00 59.00 53.00 35.00 g 18.00 12.00 12.00
2011 10.00 b 10.00 c 26.00 29.00 a 36.00 48.00 e 62.00 66.00 c 55.00 a 35.00 27.00 a 17.00 a 10.00
2012 18.00 a 22.00 21.00 35.00 48.00 57.00 68.00 d 65.00 54.00 a 34.00 b 26.00 18.00 18.00
2013 9.00 22.00 21.00 a 44.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 18.00 z 9.00
Period of Record Statistics
MEAN 15.08 19.16 25.58 32.38 40.54 50.69 62.53 60.14 48.47 35.95 23.85 16.23 11.68
S.D. 6.55 5.58 4.38 3.73 4.41 4.39 3.29 4.39 3.70 4.31 3.61 5.03 4.78
SKEW -0.10 -1.13 -0.17 -0.66 0.68 0.33 -0.55 -1.42 0.33 -0.18 -0.83 -0.98 0.21
MAX 26.00 27.00 33.00 39.00 54.00 61.00 68.00 67.00 56.00 45.00 30.00 26.00 21.00
MIN 3.00 4.00 15.00 21.00 33.00 42.00 54.00 46.00 43.00 25.00 13.00 0.00 4.00
NO YRS 38 37 40 37 39 39 38 37 38 38 39 39 22