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000
CXUS56 KSGX 011550
CLMRAL


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
750 AM PST TUE JAN 1 2013

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

...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2012

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   12/07        69      10       83  12/31
LOWEST             34   12/31        42      -8       34  12/07
AVG. MAXIMUM     63.7              66.6    -2.9     67.1
AVG. MINIMUM     44.5              42.5     2.0     41.4
MEAN             54.1              54.5    -0.4     54.3
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           1.38              1.53   -0.15     0.49
DAILY AVG.       0.04              0.05   -0.01     0.02
DAYS >= .01        10                MM      MM        2
DAYS >= .10         5                MM      MM        1
DAYS >= .50         0                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
DAYS >= 1.50        0                                  0
DAYS >= 2.00        0                                  0
GREATEST
 24 HR. TOTAL    0.60   12/12 TO 12/13           12/12 TO 12/12
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/12(00) TO 12/12(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

SNOWFALL (INCHES)
RECORDS
 24 HR TOTAL       MM
TOTALS            0.0                MM      MM      0.0
 LIQUID EQUIV    0.00                MM      MM     0.00
SINCE 7/1         0.0                MM      MM      0.0
 LIQUID 7/1      0.00                MM      MM     0.00
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0                MM      MM        0
DAYS >= 1.0         0                MM      MM        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   12/31 TO 12/31           12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/31(00) TO 12/31(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

DEGREE_DAYS
HEATING TOTAL     331               326       5      325
 SINCE 7/1        443               526     -83      548
COOLING TOTAL       0                 2      -2        0
 SINCE 1/1       2229              1756     473     1718

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

WIND (MPH)
AVERAGE WIND SPEED              2.9
RESULTANT WIND SPEED/DIRECTION   0/013
HIGHEST WIND SPEED/DIRECTION    29/240    DATE  12/06
HIGHEST GUST SPEED/DIRECTION    25/230    DATE  12/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      22     FOG W/VIS <= 1/4 MILE      4
HAZE                     10

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

$$