Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 200027
CLIRAL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
527 PM PDT FRI SEP 19 2025
...................................
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 19 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 90 2:51 PM 106 1939 91 -1 75
MINIMUM 69 5:20 AM 42 1925 62 7 60
AVERAGE 80 76 4 68
PRECIPITATION (IN)
TODAY 0.00 0.65 1963 0.00 0.00 0.00
MONTH TO DATE 0.05 0.06 -0.01 T
SINCE JUL 1 0.05 0.20 -0.15 T
SINCE OCT 1 4.39 9.32 -4.93 12.30
SINCE JAN 1 4.34 6.91 -2.57 11.26
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 15 11 4 3
MONTH TO DATE 278 245 33 292
SINCE SEP 1 278 245 33 292
SINCE JAN 1 1659 1561 98 1692
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 2.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 7:00 AM
LOWEST 40 2:00 PM
AVERAGE 59
..........................................................
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 106 1943
2015
MINIMUM TEMPERATURE (F) 61 44 1925
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 6:36 AM PDT SUNSET 6:50 PM PDT
SEPTEMBER 20 2025.....SUNRISE 6:37 AM PDT SUNSET 6:49 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$