Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 180921
CLICNO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PDT MON AUG 18 2025
...................................
...THE CHINO AIRPORT CA CLIMATE SUMMARY FOR AUGUST 17 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 91 1:30 PM 105 2020 97 -6 91
MINIMUM 60 2:49 AM 56 2005 63 -3 64
AVERAGE 76 80 -4 78
PRECIPITATION (IN)
YESTERDAY 0.00 0.00 2020 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 0.00
SINCE JUL 1 T 0.09 -0.09 0.00
SINCE OCT 1 5.25 9.92 -4.67 18.21
SINCE JAN 1 5.15 7.11 -1.96 16.92
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 2 -2 2
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 11 15 -4 13
MONTH TO DATE 213 250 -37 274
SINCE JUN 1 768 906 -138 985
SINCE JAN 1 947 1086 -139 1025
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 35 2:00 PM
AVERAGE 66
..........................................................
THE CHINO AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 97 114 2020
MINIMUM TEMPERATURE (F) 63 57 1999
2005
2009
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:15 AM PDT SUNSET 7:33 PM PDT
AUGUST 19 2025........SUNRISE 6:15 AM PDT SUNSET 7:32 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$