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000
CXUS56 KSGX 011052
CLMONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
352 AM PDT FRI SEP 01 2023

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

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   08/28         95      10      108  08/31
                       08/29
LOWEST            62   08/03         63      -1       65  08/21
                       08/04
                       08/21
                                                          08/22
                                                          08/29
AVG. MAXIMUM    94.4               94.9    -0.5     96.4
AVG. MINIMUM    66.5               65.2     1.3     68.9
MEAN            80.5               80.1     0.4     82.7
DAYS MAX >= 90    24               23.8     0.2       29
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        1.92   1977
 MINIMUM        0.00   2019
TOTALS          1.92R              0.03    1.89        T
DAILY AVG.      0.06               0.00    0.06        T
DAYS >= .01        2                0.3     1.7        0
DAYS >= .10        2                0.1     1.9        0
DAYS >= .50        1                0.0     1.0        0
DAYS >= 1.00       1                0.0     1.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   1.85   08/20 TO 08/21                  T  08/01 TO 08/01
 STORM TOTAL    1.69                                0.00
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    485                467      18      554
 SINCE 1/1      1188               1373    -185       MM

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

WIND (MPH)
AVERAGE WIND SPEED              6.0
RESULTANT WIND SPEED/DIRECTION   5/250
HIGHEST WIND SPEED/DIRECTION    21/270    DATE  08/06
                                21/260          08/17
HIGHEST GUST SPEED/DIRECTION    26/240    DATE  08/17
                                26/240          08/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.26
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                     11

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

$$