Climatological Report (Monthly)
Issued by NWS

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CXUS56 KSGX 042354
CLMONT


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
454 PM PDT TUE SEP 4 2018

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             112   08/31/2017
 LOW               54   08/11/2009
HIGHEST           105   08/06        95      10      112  08/31
LOWEST             62   08/28        63      -1       61  08/13
AVG. MAXIMUM     94.6              93.6     1.0     95.2
AVG. MINIMUM     68.3              64.7     3.6     66.9
MEAN             81.5              79.1     2.4     81.0
DAYS MAX >= 90     26              22.8     3.2       22
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.92   1977
 MINIMUM         0.00   2016
                        2010
                        2009
TOTALS              T              0.13   -0.13     0.02
DAILY AVG.          T              0.00    0.00     0.00
DAYS >= .01         0                MM      MM        1
DAYS >= .10         0                MM      MM        0
DAYS >= .50         0                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL       T   08/27 TO 08/27           08/31 TO 08/31
                                                          08/31 TO 08/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          08/31 TO 08/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    08/31(00) TO 08/31(00)
                                                 08/31(00) TO 08/31(00)1EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                 08/31(00) TO 08/31(00)1EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     520               439      81      505
 SINCE 1/1       1569              1223     346     1639

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   6/249
HIGHEST WIND SPEED/DIRECTION    20/240    DATE  08/16
HIGHEST GUST SPEED/DIRECTION    26/260    DATE  08/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  0
  0
  0
  0
  0
  0
HAZE                     17

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

$$



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