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000
CXUS56 KSGX 011700
CLAONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
847 AM PST SUN JAN 1 2012

...................................

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE YEAR OF 2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2011

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             114   07/22/2006
 LOW               25   01/14/2007
                        01/14/1962
HIGHEST           107   08/27        80      27      112  09/27
LOWEST             32   12/07        52     -20       30  12/31
                        12/06
                        02/27
AVG. MAXIMUM     76.8              77.8    -1.0     76.6
AVG. MINIMUM     51.8              53.1    -1.3     52.1
MEAN             64.3              65.5    -1.2     64.3
DAYS MAX >= 90     78              80.2    -2.2       58
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100    10                                 15
DAYS MAX >= 110     0                                  1
DAYS MIN <= 32      3               1.0     2.0        3
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        35.05   1978
 MINIMUM         5.52   1972
TOTALS          10.23             15.04   -4.81    21.78
DAILY AVG.          T              0.04   -0.04        T
DAYS >= .01        37                MM      MM       60
DAYS >= .10        21                MM      MM       34
DAYS >= .50         6                MM      MM       14
DAYS >= 1.00        2                MM      MM        7
DAYS >= 1.50        0                                  1
DAYS >= 2.00        0                                  1
GREATEST
 24 HR. TOTAL    1.66   MM                       12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/31(00) TO 12/31(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

SNOWFALL (INCHES)
TOTALS            0.0
SINCE 7/1         0.0

DEGREE_DAYS
HEATING TOTAL    1654              1537     117     1583
 SINCE 7/1        643               560      83      568
COOLING TOTAL    1524              1709    -185     1461
 SINCE 1/1       1524              1707    -183     1461

FREEZE DATES
RECORD
 EARLIEST     11/30/2004
 LATEST       02/14/2006
EARLIEST                        MM
LATEST                          MM
..................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
HIGHEST WIND SPEED/DIRECTION    44/050    DATE  02/02
HIGHEST GUST SPEED/DIRECTION    63/060    DATE  02/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR          186
NUMBER OF DAYS PC            130
NUMBER OF DAYS CLOUDY         48

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               15     RAIN                      20
LIGHT RAIN               54     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                     148     FOG W/VIS <= 1/4 MILE      9
HAZE                    161

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$