144
CXUS56 KSGX 011359
CLMONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
659 AM PDT FRI AUG 01 2025

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF JULY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            117   07/06/2018
 LOW              56   07/09/2010
                       07/22/2001
                       07/12/2001
HIGHEST           98   07/10         95       3      102  07/20
LOWEST            58   07/02         62      -4       62  07/02
                       07/26
AVG. MAXIMUM    89.9               93.8    -3.9     95.8
AVG. MINIMUM    61.8               64.7    -2.9     67.1
MEAN            75.9               79.2    -3.3     81.5
DAYS MAX >= 90    17               22.7    -5.7       30
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    31                                  31
DAYS MAX >= 120    0                                   0
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        0.60   2015
 MINIMUM        0.00   2025
TOTALS          0.00R              0.05   -0.05     0.00
DAILY AVG.      0.00               0.00   -0.00     0.00
DAYS >= .01        0                0.6    -0.6        0
DAYS >= .10        0                0.1    -0.1        0
DAYS >= .50        0                0.0     0.0        0
DAYS >= 1.00       0                0.0     0.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.00   06/30 TO 06/30               0.00  06/30 TO 06/30
 STORM TOTAL    0.00                                0.00
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    345                442     -97      520
 SINCE 1/1       883                906     -23       MM

FREEZE DATES
RECORD
 EARLIEST     11/30/2004
 LATEST       02/14/2006
EARLIEST                        02/24
LATEST                          02/20
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   6/240
HIGHEST WIND SPEED/DIRECTION    20/270    DATE  07/05
                                20/240          07/25
                                20/250          07/26
HIGHEST GUST SPEED/DIRECTION    31/270    DATE  07/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.19
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      0
HAZE                     23

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

$$