Climatological Report (Monthly)
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CXUS56 KSGX 011430
CLMONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
730 AM PDT FRI MAY 1 2015

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             101   04/26/2004
 LOW               33   04/10/1999
HIGHEST            96   04/29        76      20       93  04/09
                                                          04/08
LOWEST             46   04/07        49      -3       44  04/03
                        04/03
AVG. MAXIMUM     77.8              74.0     3.8     78.8
AVG. MINIMUM     53.1              50.5     2.6     53.6
MEAN             65.5              62.3     3.2     66.2
DAYS MAX >= 90      3               1.9     1.1        4
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     0                                  0
DAYS MAX >= 110     0                                  0
DAYS MIN <= 32      0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.95   1965
 MINIMUM         0.00   1979
TOTALS           0.50              0.94   -0.44     0.75
DAILY AVG.       0.02              0.03   -0.01     0.03
DAYS >= .01         2                MM      MM        4
DAYS >= .10         1                MM      MM        3
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    0.42   04/24 TO 04/25           04/25 TO 04/26
                        04/25 TO 04/25                    04/30 TO 04/30
                        04/25 TO 04/26                    04/30 TO 04/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    04/26(00) TO 04/26(00)
                                                 04/30(00) TO 04/30(00)0
                                                 04/30(00) TO 04/30(00)0

SNOWFALL (INCHES)
TOTALS            0.0
SINCE 7/1         0.0

DEGREE_DAYS
HEATING TOTAL      56               124     -68       63
 SINCE 7/1        713              1493    -780      822
COOLING TOTAL      77                41      36      108
 SINCE 1/1        226                59     167      170

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

WIND (MPH)
AVERAGE WIND SPEED              6.9
RESULTANT WIND SPEED/DIRECTION   4/253
HIGHEST WIND SPEED/DIRECTION    32/040    DATE  04/27
HIGHEST GUST SPEED/DIRECTION    43/040    DATE  04/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     49

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

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