293
CXUS56 KSGX 011037
CLMONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
237 AM PST MON DEC 01 2025

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 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            102   11/11/2021
 LOW              32   11/19/2015
                       11/30/2010
                       11/29/2010
HIGHEST           94   11/09         74      20       80  11/10
LOWEST            44   11/19         49      -5       40  11/17
AVG. MAXIMUM    74.9               74.7     0.2     72.2
AVG. MINIMUM    52.3               49.0     3.3     48.1
MEAN            63.6               61.9     1.7     60.1
DAYS MAX >= 90     2                1.6     0.4        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    30                                  30
DAYS MAX >= 120    0                                   0
DAYS MIN <= 32     0                0.2    -0.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.21   1965
 MINIMUM        0.00   1980
TOTALS          4.01               0.80    3.21     0.09
DAILY AVG.      0.13               0.03    0.10     0.00
DAYS >= .01        6                3.7     2.3        3
DAYS >= .10        6                1.8     4.2        0
DAYS >= .50        5                0.4     4.6        0
DAYS >= 1.00       0                0.2    -0.2        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   1.30   11/14 TO 11/15               0.04  11/15 TO 11/15
 STORM TOTAL    0.92                                0.04
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL     97                135     -38      138
 SINCE 7/1       111                162     -51       MM
COOLING TOTAL     64                 40      24        0
 SINCE 1/1      2005               1967      38       MM

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

WIND (MPH)
AVERAGE WIND SPEED              3.9
RESULTANT WIND SPEED/DIRECTION   1/290
HIGHEST WIND SPEED/DIRECTION    31/040    DATE  11/22
HIGHEST GUST SPEED/DIRECTION    45/040    DATE  11/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.42
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      3
HAZE                     14

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

$$