768
CXUS56 KSGX 010949
CLMRAL

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
249 AM PDT MON JUN 01 2026

...................................

...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            110   05/29/1984
 LOW              34   05/08/1950
                       05/05/1950
                       05/03/1904
HIGHEST           97   05/11         80      17      104  05/10
LOWEST            49   05/06         54      -5       52  05/16
                       05/28
AVG. MAXIMUM    80.7               79.9     0.8     82.0
AVG. MINIMUM    55.5               55.3     0.2     57.1
MEAN            68.1               67.6     0.5     69.5
DAYS MAX >= 90     4                5.5    -1.5        9
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    31                                  31
DAYS MAX >= 120    0                                   0
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.13   1930
 MINIMUM        0.00   2000
TOTALS          0.11               0.20   -0.09     0.48
DAILY AVG.      0.00               0.01   -0.00     0.02
DAYS >= .01        2                1.6     0.4        3
DAYS >= .10        1                0.5     0.5        1
DAYS >= .50        0                0.0     0.0        0
DAYS >= 1.00       0                0.0     0.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.10   05/05 TO 05/05               0.39  05/04 TO 05/05
 STORM TOTAL    0.10                                0.38
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL     15                 33     -18       27
 SINCE 7/1       656               1384    -728       MM
COOLING TOTAL    119                114       5      175
 SINCE 1/1       410                193     217       MM

FREEZE DATES
RECORD
 EARLIEST     10/21/1949
 LATEST       04/28/1894
EARLIEST                        01/17
LATEST                          01/02
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
RESULTANT WIND SPEED/DIRECTION   4/270
HIGHEST WIND SPEED/DIRECTION    23/270    DATE  05/20
                                23/260          05/26
HIGHEST GUST SPEED/DIRECTION    35/010    DATE  05/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.33
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      9

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$