585
CDUS46 KSGX 180922
CLIRAL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
222 AM PDT MON MAY 18 2026
...............................
..THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR MAY 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 71 2:00 PM 103 1920 80 -9 68
2008
MINIMUM 58 5:24 AM 40 1908 56 2 55
1943
AVERAGE 65 68 -3 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.15 1994 0.01 -0.01 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 3
MONTH TO DATE 6 26 -20 27
SINCE MAR 1 69 325 -256 355
SINCE JUL 1 647 1378 -731 1161
COOLING
YESTERDAY 0 4 -4 0
MONTH TO DATE 61 54 7 68
SINCE MAR 1 316 120 196 116
SINCE JAN 1 352 133 219 130
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 49 12:00 PM
AVERAGE 68
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THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 103 2008
MINIMUM TEMPERATURE (F) 56 40 1903
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 5:46 AM PDT SUNSET 7:47 PM PDT
MAY 19 2026...........SUNRISE 5:46 AM PDT SUNSET 7:47 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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