688
CXUS56 KSGX 010957
CLMONT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
157 AM PST SAT MAR 01 2025

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 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             90   02/16/2016
                       02/15/2016
                       09/27/2010
 LOW              29   02/20/2018
HIGHEST           86   02/26         70      16       76  02/24
LOWEST            42   02/15         47      -5       38  02/10
                                                          02/11
AVG. MAXIMUM    71.4               68.1     3.3     62.3
AVG. MINIMUM    49.2               46.2     3.0     46.7
MEAN            60.3               57.1     3.2     54.5
DAYS MAX >= 90     0                0.1    -0.1        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    28                                  29
DAYS MAX >= 120    0                                   0
DAYS MIN <= 32     0                0.2    -0.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       13.52   1980
 MINIMUM        0.00   1972
TOTALS          3.08               3.07    0.01    11.31
DAILY AVG.      0.11               0.11    0.00     0.39
DAYS >= .01        6                6.4    -0.4       12
DAYS >= .10        5                4.5     0.5        8
DAYS >= .50        1                1.9    -0.9        7
DAYS >= 1.00       1                0.7     0.3        5
DAYS >= %-5.2F     0                                   1
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   1.95   02/13 TO 02/14               4.23  02/04 TO 02/05
 STORM TOTAL    1.87                                3.62
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    143                228     -85      298
 SINCE 7/1       758                975    -217       MM
COOLING TOTAL     18                  8      10        0
 SINCE 1/1        19                  5      14       MM

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

WIND (MPH)
AVERAGE WIND SPEED              4.6
RESULTANT WIND SPEED/DIRECTION   2/250
HIGHEST WIND SPEED/DIRECTION    23/270    DATE  02/13
                                23/040          02/21
HIGHEST GUST SPEED/DIRECTION    34/050    DATE  02/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.51
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                      6

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

$$