851
CXUS56 KSGX 020927
CLMCNO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
227 AM PDT FRI OCT 02 2026

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

...THE CHINO AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            121   MM
 LOW              47   09/27/2013
HIGHEST          111   09/09         MM      MM      104  09/02
LOWEST            55   09/02         MM      MM       55  09/09
                       09/03
                       09/29
AVG. MAXIMUM    91.8               92.7    -0.9     92.1
AVG. MINIMUM    63.0               60.4     2.6     61.6
MEAN            77.4               76.5     0.9     76.9
DAYS MAX >= 90    17               18.8    -1.8       17
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    29                                  30
DAYS MAX >= 120    0                                   0
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           T   2024
 MINIMUM           T   2024
TOTALS          0.58               0.06    0.52     0.02
DAILY AVG.      0.02               0.00    0.02     0.00
DAYS >= .01        2                0.7     1.3        1
DAYS >= .10        1                0.2     0.8        0
DAYS >= .50        1                0.0     1.0        0
DAYS >= 1.00       0                0.0     0.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.57   09/06 TO 09/06               0.02  09/18 TO 09/18
 STORM TOTAL    0.57                                0.02
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  1      -1        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    366                348      18      365
 SINCE 1/1      1885               1641     244       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          01/16
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.1
RESULTANT WIND SPEED/DIRECTION   4/260
HIGHEST WIND SPEED/DIRECTION    22/280    DATE  09/08
HIGHEST GUST SPEED/DIRECTION    33/230    DATE  09/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.24
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      0
HAZE                     12

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

$$