MONTEBELLO, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(045790)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201102
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
1979 31.00 38.00 41.00 a 50.00 a 47.00 55.00 a 56.00 56.00 a 60.00 a 47.00 41.00 35.00 b 31.00
1980 40.00 38.00 40.00 42.00 a 47.00 b 51.00 a 57.00 57.00 a 54.00 a 50.00 40.00 a 40.00 38.00
1981 40.00 37.00 c 40.00 a 45.00 a 49.00 58.00 57.00 53.00 54.00 44.00 43.00 30.00 30.00
1982 30.00 40.00 40.00 40.00 52.00 51.00 56.00 57.00 54.00 50.00 42.00 36.00 30.00
1983 42.00 44.00 40.00 43.00 50.00 56.00 60.00 58.00 62.00 58.00 40.00 42.00 40.00
1984 40.00 a ----- z 46.00 44.00 49.00 56.00 62.00 64.00 64.00 52.00 40.00 38.00 38.00
1985 38.00 38.00 38.00 48.00 44.00 54.00 62.00 58.00 51.00 52.00 42.00 38.00 38.00
1986 45.00 40.00 40.00 48.00 50.00 58.00 58.00 60.00 52.00 52.00 48.00 38.00 38.00
1987 32.00 38.00 38.00 48.00 50.00 54.00 56.00 56.00 58.00 55.00 40.00 34.00 32.00
1988 38.00 38.00 44.00 46.00 ----- z 49.00 58.00 58.00 55.00 52.00 42.00 32.00 32.00
1989 35.00 32.00 42.00 44.00 52.00 54.00 58.00 58.00 58.00 46.00 40.00 42.00 32.00
1990 40.00 30.00 38.00 50.00 50.00 54.00 59.00 60.00 58.00 52.00 43.00 30.00 30.00
1991 40.00 42.00 40.00 48.00 48.00 ----- z ----- z 58.00 56.00 48.00 46.00 38.00 38.00
1992 40.00 44.00 48.00 52.00 54.00 55.00 56.00 61.00 59.00 ----- z 44.00 36.00 36.00
1993 40.00 43.00 46.00 a 50.00 52.00 52.00 61.00 a 61.00 55.00 53.00 46.00 39.00 39.00
1994 ----- z 41.00 45.00 46.00 50.00 57.00 56.00 62.00 58.00 52.00 39.00 42.00 39.00
1995 42.00 a 48.00 42.00 44.00 51.00 50.00 59.00 58.00 57.00 51.00 ----- z 44.00 42.00
1996 ----- z 38.00 45.00 48.00 54.00 56.00 56.00 60.00 59.00 46.00 42.00 43.00 38.00
1997 42.00 45.00 45.00 ----- z 55.00 59.00 60.00 61.00 61.00 50.00 47.00 37.00 a 37.00
1998 40.00 43.00 41.00 41.00 48.00 51.00 60.00 61.00 55.00 51.00 a 45.00 35.00 35.00
1999 38.00 i 38.00 f 41.00 d 39.00 49.00 f 49.00 d 58.00 c 58.00 c 55.00 b 55.00 a 44.00 f 40.00 d 38.00
2000 40.00 b 40.00 b 41.00 c 47.00 h 53.00 f ----- z 58.00 g 63.00 e 58.00 d 50.00 i 42.00 h 41.00 q 40.00
2001 38.00 f 38.00 e 44.00 i 41.00 i 52.00 f 58.00 d 57.00 p 60.00 o 57.00 l 55.00 m 40.00 o ----- z 38.00
2002 34.00 41.00 42.00 47.00 j ----- z ----- z 60.00 k 59.00 i 56.00 n 52.00 n 47.00 r 41.00 t 34.00
2003 45.00 j 45.00 l 45.00 j 43.00 e 49.00 m 57.00 m 63.00 m 56.00 h 55.00 j 53.00 m 44.00 y 39.00 x 39.00
2004 37.00 w 42.00 m 45.00 g 48.00 53.00 c 57.00 59.00 60.00 58.00 p 49.00 u 37.00 q 40.00 s 37.00
2005 43.00 n 44.00 q 44.00 e 48.00 l 51.00 k 55.00 l 59.00 k 58.00 k 50.00 n 52.00 k 44.00 v 42.00 l 42.00
2006 41.00 h 40.00 n 36.00 n 45.00 k 40.00 k 54.00 q 52.00 w 61.00 o 58.00 u 73.00 z ----- z 40.00 z 36.00
2007 33.00 q 42.00 r 40.00 q 45.00 y 47.00 w 49.00 s 48.00 o 44.00 o 54.00 x 52.00 u 42.00 x ----- z 33.00
2008 39.00 w 42.00 z 44.00 z 46.00 z 30.00 z ----- z 61.00 z ----- z ----- z ----- z ----- z ----- z 30.00
2009 ----- z 29.00 h 33.00 i 39.00 i 46.00 l 38.00 q 38.00 q 60.00 r 54.00 m ----- z ----- z 36.00 29.00
2010 35.00 i 44.00 r 41.00 45.00 48.00 g 30.00 g 53.00 e 49.00 l 55.00 g 52.00 v ----- z ----- z 30.00
2011 19.00 u 28.00 r ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 19.00
Period of Record Statistics
MEAN 38.45 39.82 41.92 45.74 50.25 54.27 58.05 59.04 56.95 50.80 42.63 37.50 34.40
S.D. 3.99 4.05 2.74 3.47 2.73 3.09 2.26 2.51 3.21 3.38 2.69 3.92 4.06
SKEW -0.82 -0.42 0.50 -0.18 -0.24 -0.28 -0.03 -0.17 0.23 -0.10 0.54 -0.28 0.15
MAX 45.00 48.00 48.00 52.00 55.00 59.00 62.00 64.00 64.00 58.00 48.00 44.00 40.00
MIN 30.00 30.00 38.00 39.00 44.00 49.00 53.00 53.00 51.00 44.00 39.00 30.00 30.00
NO YRS 20 22 25 23 20 22 22 23 22 20 19 22 10