400
CDUS46 KSGX 190920
CLIRAL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
220 AM PDT TUE MAY 19 2026
...............................
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 18 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 85 2:53 PM 103 2008 80 5 74
MINIMUM 56 5:32 AM 40 1903 56 0 57
AVERAGE 71 68 3 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.22 2011 0.00 0.00 T
MONTH TO DATE 0.11 0.15 -0.04 0.48
SINCE JUL 1 7.94 9.31 -1.37 4.31
SINCE OCT 1 7.89 9.06 -1.17 4.31
SINCE JAN 1 3.57 6.65 -3.08 4.26
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 6 27 -21 27
SINCE MAR 1 69 326 -257 355
SINCE JUL 1 647 1379 -732 1161
COOLING
YESTERDAY 6 4 2 1
MONTH TO DATE 67 58 9 69
SINCE MAR 1 322 124 198 117
SINCE JAN 1 358 137 221 131
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 8 3:00 PM
AVERAGE 48
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THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 104 1942
MINIMUM TEMPERATURE (F) 56 40 1933
1945
1950
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 5:46 AM PDT SUNSET 7:47 PM PDT
MAY 20 2026...........SUNRISE 5:45 AM PDT SUNSET 7:48 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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