Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KSGX 012103
CLMRAL


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
103 PM PST THU FEB 1 2018

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

...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   01/08/1923
 LOW               19   01/07/1950
HIGHEST            85   01/29        68      17       78  01/30
                        01/02
LOWEST             38   01/21        43      -5       32  01/17
AVG. MAXIMUM     73.7              66.5     7.2     62.2
AVG. MINIMUM     47.3              43.3     4.0     44.5
MEAN             60.5              54.9     5.6     53.3
DAYS MAX >= 90      0               0.4    -0.4        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     0                                  0
DAYS MAX >= 110     0                                  0
DAYS MIN <= 32      0               0.7    -0.7        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.14   1993
 MINIMUM         0.00   2008
                        1976
                        1972
TOTALS           1.55              2.94   -1.39     5.48
DAILY AVG.       0.05              0.09   -0.04     0.18
DAYS >= .01         3                MM      MM       12
DAYS >= .10         2                MM      MM        8
DAYS >= .50         1                MM      MM        5
DAYS >= 1.00        1                MM      MM        2
DAYS >= 1.50        0                                  1
DAYS >= 2.00        0                                  0
GREATEST
 24 HR. TOTAL    1.20   01/09 TO 01/09           01/22 TO 01/23
                                                          01/31 TO 01/31
                                                          01/31 TO 01/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    01/23(00) TO 01/23(00)
                                                 01/31(00) TO 01/31(00)1
                                                 01/31(00) TO 01/31(00)1

DEGREE_DAYS
HEATING TOTAL     151               319    -168      352
 SINCE 7/1        347               845    -498      717
COOLING TOTAL      20                 6      14        0
 SINCE 1/1         20                 0      20        0

FREEZE DATES
RECORD
 EARLIEST     10/21/1949
 LATEST       04/28/1894
EARLIEST      01/17             12/04
LATEST                          02/24
..................................................

WIND (MPH)
AVERAGE WIND SPEED              4.6
RESULTANT WIND SPEED/DIRECTION   2/048
HIGHEST WIND SPEED/DIRECTION    23/030    DATE  01/28
HIGHEST GUST SPEED/DIRECTION    36/360    DATE  01/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
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      2
HAZE                      5

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

$$


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