Climatological Report (Daily)
Issued by NWS
Issued by NWS
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533
CDUS46 KSGX 190031
CLIRAL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
531 PM PDT MON AUG 18 2025
...................................
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR AUGUST 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 94 1:30 PM 108 1950 95 -1 95
2020
MINIMUM 63 5:55 AM 47 1917 65 -2 61
1918
1924
AVERAGE 79 80 -1 78
PRECIPITATION (IN)
TODAY 0.00 0.62 1945 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
TODAY 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
TODAY 14 15 -1 13
MONTH TO DATE 259 270 -11 337
SINCE JUN 1 902 934 -32 1169
SINCE JAN 1 1139 1127 12 1228
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 29 12:00 PM
AVERAGE 60
..........................................................
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 108 1915
MINIMUM TEMPERATURE (F) 65 44 1916
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:14 AM PDT SUNSET 7:33 PM PDT
AUGUST 19 2025........SUNRISE 6:15 AM PDT SUNSET 7:31 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$