902
CDUS46 KSGX 170918
CLIRAL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
218 AM PDT SUN AUG 17 2025
...............................
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR AUGUST 16 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 2:48 PM 107 2015 95 -9 99
MINIMUM 62 1:33 AM 41 1902 65 -3 65
AVERAGE 74 80 -6 82
PRECIPITATION (IN)
YESTERDAY 0.00 0.09 1977 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 T
SINCE JUL 1 T 0.13 -0.13 T
SINCE OCT 1 4.34 9.25 -4.91 12.30
SINCE JAN 1 4.29 6.84 -2.55 11.26
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 2 -2 1
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 9 15 -6 17
MONTH TO DATE 233 240 -7 309
SINCE JUN 1 876 904 -28 1141
SINCE JAN 1 1113 1097 16 1200
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 AM
LOWEST 40 3:00 PM
AVERAGE 64
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THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 107 1992
MINIMUM TEMPERATURE (F) 65 45 1916
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:13 AM PDT SUNSET 7:34 PM PDT
AUGUST 18 2025........SUNRISE 6:14 AM PDT SUNSET 7:33 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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