National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS56 KSGX 011025
CLMRAL

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
325 AM PDT SUN OCT 01 2023

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

...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            117   09/06/2020
                       09/05/2020
                       07/28/1995
 LOW              37   09/15/1902
HIGHEST          100   09/08         91       9      110  09/04
LOWEST            56   09/19         61      -5       58  09/22
                       09/22
                       09/26
AVG. MAXIMUM    84.9               91.3    -6.4     95.0
AVG. MINIMUM    62.1               61.9     0.2     68.3
MEAN            73.5               76.6    -3.1     81.6
DAYS MAX >= 90     9               18.9    -9.9       18
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    30                                  30
DAYS MAX >= 120    0                                   0
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.91   1963
 MINIMUM        0.00   2020
TOTALS          0.31               0.11    0.20     0.14
DAILY AVG.      0.01               0.00    0.01     0.00
DAYS >= .01        2                0.5     1.5        2
DAYS >= .10        1                0.1     0.9        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   0.28   09/01 TO 09/01               0.11  09/09 TO 09/09
 STORM TOTAL    0.28                                0.11
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  2      -2        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    263                349     -86      509
 SINCE 1/1      1498               1665    -167       MM

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

WIND (MPH)
AVERAGE WIND SPEED              5.0
RESULTANT WIND SPEED/DIRECTION   4/270
HIGHEST WIND SPEED/DIRECTION    21/270    DATE  09/03
                                21/260          09/30
HIGHEST GUST SPEED/DIRECTION    28/270    DATE  09/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.34
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     62

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                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                     13

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

$$