Climatological Report (Monthly)
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000
CXUS56 KSGX 011938
CLMONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
1238 PM PDT MON JUN 1 2015

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MAY 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             103   05/13/2013
                        05/12/2013
                        05/03/2004
 LOW               45   05/17/2006
                        05/06/1999
                        05/05/1999
HIGHEST            93   05/01        80      13      102  05/15
LOWEST             47   05/08        53      -6       50  05/11
AVG. MAXIMUM     74.9              78.9    -4.0     84.6
AVG. MINIMUM     54.5              55.5    -1.0     58.5
MEAN             64.7              67.2    -2.5     71.5
DAYS MAX >= 90      3               3.5    -0.5       13
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     0                                  1
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           0.94              0.30    0.64     0.07
DAILY AVG.       0.03              0.01    0.02     0.00
DAYS >= .01         5                MM      MM        1
DAYS >= .10         3                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    0.48   05/14 TO 05/15           05/23 TO 05/23
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    05/23(00) TO 05/23(00)
                                                 05/31(00) TO 05/31(00)1
                                                 05/31(00) TO 05/31(00)1

SNOWFALL (INCHES)
TOTALS            0.0
SINCE 7/1         0.0

DEGREE_DAYS
HEATING TOTAL      70                39      31       14
 SINCE 7/1        783              1532    -749      836
COOLING TOTAL      69               107     -38      224
 SINCE 1/1        295               166     129      394

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

WIND (MPH)
AVERAGE WIND SPEED              7.2
RESULTANT WIND SPEED/DIRECTION   6/251
HIGHEST WIND SPEED/DIRECTION    24/220    DATE  05/07
HIGHEST GUST SPEED/DIRECTION    31/210    DATE  05/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         14

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      0
HAZE                     12

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

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