Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSGX 180919
CLIRAL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
219 AM PDT FRI SEP 18 2026
...................................
...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 2:44 PM 112 1922 91 -7 98
MINIMUM 65 11:59 PM 43 1893 62 3 70
1908
AVERAGE 75 76 -1 84
PRECIPITATION (IN)
YESTERDAY 0.00 1.27 1963 0.01 -0.01 0.00
MONTH TO DATE 0.36 0.06 0.30 0.00
SINCE JUL 1 0.36 0.20 0.16 T
SINCE OCT 1 8.25 9.32 -1.07 4.34
SINCE JAN 1 3.93 6.91 -2.98 4.29
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 10 12 -2 19
MONTH TO DATE 250 223 27 248
SINCE SEP 1 250 223 27 248
SINCE JAN 1 2050 1539 511 1629
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 12:00 AM
LOWEST 38 2:00 PM
AVERAGE 60
..........................................................
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 108 1917
MINIMUM TEMPERATURE (F) 62 42 1933
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:35 AM PDT SUNSET 6:52 PM PDT
SEPTEMBER 19 2026.....SUNRISE 6:36 AM PDT SUNSET 6:50 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$