Climatological Report (Monthly)
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000
CXUS56 KSGX 011645
CLMRAL


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
844 AM PST SUN JAN 1 2017

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

...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   12/03/1958
 LOW               21   12/12/1949
                        12/26/1911
HIGHEST            79   12/29        69      10       84  12/08
LOWEST             33   12/25        42      -9       33  12/28
AVG. MAXIMUM     65.8              66.6    -0.8     66.9
AVG. MINIMUM     46.8              42.5     4.3     41.4
MEAN             56.3              54.5     1.8     54.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MAX >= 100     0                                  0
DAYS MAX >= 110     0                                  0
DAYS MIN <= 32      0               1.2    -1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.88   2010
 MINIMUM         0.00   2007
                        2000
                        1990
TOTALS           3.34              1.53    1.81     0.66
DAILY AVG.       0.11              0.05    0.06     0.02
DAYS >= .01         8                MM      MM        6
DAYS >= .10         8                MM      MM        3
DAYS >= .50         2                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
DAYS >= 1.50        0                                  0
DAYS >= 2.00        0                                  0
GREATEST
 24 HR. TOTAL    1.13   12/21 TO 12/22           12/21 TO 12/22
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/22(00) TO 12/22(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

DEGREE_DAYS
HEATING TOTAL     261               326     -65      331
 SINCE 7/1        365               526    -161      493
COOLING TOTAL       0                 2      -2        2
 SINCE 1/1       2298              1756     542     2424

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

WIND (MPH)
AVERAGE WIND SPEED              5.3
RESULTANT WIND SPEED/DIRECTION   2/056
HIGHEST WIND SPEED/DIRECTION    26/040    DATE  12/02
HIGHEST GUST SPEED/DIRECTION    43/030    DATE  12/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       7
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      0
HAZE                     11

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

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