MONTEBELLO, CALIFORNIA

Monthly Extreme Maximum 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 70.00 81.00 86.00 90.00 a 100.00 108.00 96.00 a 95.00 b 106.00 d 90.00 83.00 88.00 b 108.00
1980 79.00 85.00 80.00 91.00 a 89.00 b 96.00 a 102.00 98.00 a 100.00 a 99.00 89.00 a 87.00 102.00
1981 81.00 a 91.00 c 80.00 b 97.00 a 93.00 106.00 100.00 106.00 96.00 a 95.00 a 90.00 a 86.00 106.00
1982 78.00 85.00 78.00 90.00 88.00 89.00 97.00 100.00 106.00 94.00 84.00 78.00 106.00
1983 86.00 84.00 83.00 86.00 90.00 88.00 99.00 104.00 104.00 94.00 88.00 78.00 104.00
1984 84.00 a ----- z 88.00 93.00 98.00 92.00 99.00 94.00 108.00 90.00 83.00 74.00 108.00
1985 78.00 88.00 84.00 96.00 84.00 100.00 108.00 104.00 96.00 99.00 92.00 86.00 108.00
1986 86.00 90.00 90.00 92.00 90.00 94.00 92.00 100.00 88.00 93.00 88.00 82.00 100.00
1987 86.00 84.00 84.00 97.00 95.00 92.00 98.00 97.00 102.00 106.00 84.00 88.00 106.00
1988 84.00 86.00 100.00 94.00 ----- z 95.00 100.00 96.00 110.00 100.00 84.00 86.00 110.00
1989 82.00 88.00 88.00 104.00 86.00 96.00 102.00 93.00 98.00 94.00 92.00 88.00 104.00
1990 84.00 84.00 90.00 88.00 102.00 105.00 102.00 97.00 102.00 98.00 92.00 84.00 105.00
1991 84.00 86.00 78.00 90.00 92.00 ----- z ----- z 92.00 100.00 106.00 92.00 80.00 106.00
1992 84.00 88.00 78.00 94.00 86.00 96.00 98.00 102.00 102.00 ----- z 87.00 76.00 102.00
1993 82.00 78.00 88.00 90.00 99.00 93.00 92.00 95.00 100.00 96.00 89.00 82.00 100.00
1994 ----- z 77.00 89.00 89.00 94.00 103.00 93.00 105.00 97.00 100.00 87.00 82.00 105.00
1995 82.00 93.00 82.00 90.00 87.00 94.00 100.00 101.00 101.00 100.00 ----- z 79.00 101.00
1996 ----- z 89.00 89.00 98.00 96.00 102.00 108.00 100.00 96.00 91.00 97.00 81.00 108.00
1997 81.00 82.00 98.00 ----- z 96.00 86.00 96.00 102.00 101.00 101.00 100.00 81.00 102.00
1998 79.00 75.00 87.00 93.00 82.00 88.00 99.00 103.00 106.00 93.00 80.00 a 88.00 106.00
1999 81.00 j 83.00 81.00 94.00 85.00 92.00 99.00 98.00 105.00 102.00 a 88.00 83.00 105.00
2000 83.00 85.00 85.00 99.00 94.00 ----- z 99.00 100.00 105.00 89.00 i 84.00 83.00 q 105.00
2001 85.00 a 91.00 78.00 i 94.00 j 89.00 94.00 94.00 o 97.00 k 99.00 l 99.00 m 83.00 p ----- z 99.00
2002 82.00 93.00 83.00 85.00 j ----- z ----- z 96.00 k 94.00 i 107.00 n 95.00 n 89.00 r 79.00 s 107.00
2003 87.00 j 95.00 i 93.00 j 90.00 e 94.00 k 89.00 n 97.00 m 101.00 h 100.00 j 102.00 m 93.00 y 76.00 z 102.00
2004 84.00 w 79.00 m 96.00 g 104.00 105.00 c 92.00 97.00 97.00 104.00 l 91.00 s 82.00 q 87.00 s 105.00
2005 89.00 m 80.00 q 83.00 e 91.00 j 94.00 k 91.00 k 100.00 k 100.00 k 103.00 m 100.00 k 90.00 v 82.00 l 103.00
2006 91.00 h 88.00 n 71.00 n 90.00 k 88.00 k 100.00 q 104.00 t 98.00 o 102.00 u 82.00 z ----- z 82.00 z 104.00
2007 89.00 q 90.00 r 96.00 q 83.00 y 98.00 w 92.00 s 97.00 o 104.00 o 110.00 x 99.00 u 95.00 x ----- z 110.00
2008 81.00 w 87.00 z 91.00 z 101.00 z 100.00 z ----- z 103.00 z ----- z ----- z ----- z ----- z ----- z 103.00
2009 ----- z 87.00 g 89.00 i 102.00 h 95.00 h 90.00 p 100.00 q 106.00 r 104.00 m ----- z ----- z 82.00 106.00
2010 84.00 h 82.00 r 90.00 85.00 87.00 g 87.00 g 99.00 e 101.00 l 113.00 g 94.00 v ----- z ----- z 113.00
2011 98.00 p 85.00 r ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 98.00
Period of Record Statistics
MEAN 81.90 85.48 85.68 93.08 92.17 95.50 98.91 99.09 101.32 97.05 88.24 82.68 104.33
S.D. 3.70 4.81 5.62 4.93 6.10 6.11 4.01 3.94 4.97 4.80 4.87 4.13 2.74
SKEW -1.59 -0.40 0.77 0.67 0.30 0.55 0.47 -0.01 -0.62 0.28 0.61 -0.31 -0.62
MAX 86.00 93.00 100.00 104.00 105.00 108.00 108.00 106.00 110.00 106.00 100.00 88.00 108.00
MIN 70.00 75.00 78.00 85.00 82.00 86.00 92.00 92.00 88.00 90.00 80.00 74.00 100.00
NO YRS 21 23 25 24 23 22 23 23 22 20 21 22 9