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000
CXUS56 KSGX 011434
CLMONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
734 AM PDT SAT JUN 1 2013

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             103   05/13/2013
                        05/12/2013
                        05/03/2004
 LOW               45   05/17/2006
                        05/06/1999
                        05/05/1999
HIGHEST           103R  05/13        80      23       97  05/20
                        05/12
LOWEST             54   05/09        53       1       48  05/27
                        05/02
AVG. MAXIMUM     83.2              78.9     4.3     82.0
AVG. MINIMUM     58.3              55.5     2.8     55.4
MEAN             70.7              67.2     3.5     68.7
DAYS MAX >= 90      7               3.5     3.5        6
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     2                                  0
DAYS MAX >= 110     0                                  0
DAYS MIN <= 32      0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.52   1977
 MINIMUM         0.00   1983
TOTALS           0.37              0.30    0.07        T
DAILY AVG.       0.01              0.01    0.00        T
DAYS >= .01         1                MM      MM        0
DAYS >= .10         1                MM      MM        0
DAYS >= .50         0                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
DAYS >= 1.50        0                                  0
DAYS >= 2.00        0                                  0
GREATEST
 24 HR. TOTAL    0.37   05/06 TO 05/06           05/06 TO 05/07
                                                          05/07 TO 05/07
                                                          05/07 TO 05/08
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    05/07(00) TO 05/07(00)
                                                 05/07(00) TO 05/07(00)8
                                                 05/08(00) TO 05/08(00)8

SNOWFALL (INCHES)
TOTALS            0.0
SINCE 7/1         0.0

DEGREE_DAYS
HEATING TOTAL       9                39     -30       25
 SINCE 7/1       1271              1532    -261     1532
COOLING TOTAL     195               107      88      147
 SINCE 1/1        291               166     125      206

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

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   6/253
HIGHEST WIND SPEED/DIRECTION    35/210    DATE  05/07
HIGHEST GUST SPEED/DIRECTION    44/060    DATE  05/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                     14

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

$$