Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 011757
CLMLVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
957 AM PST FRI FEB 1 2013

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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1930 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              75   01/30/1976
                        01/23/1948
 LOW               18   01/05/1961
HIGHEST            66   01/25                         70  01/05
LOWEST             25   01/13                         23  01/16
AVG. MAXIMUM     55.7              56.0    -0.3     61.7
AVG. MINIMUM     33.8                               36.4
MEAN             44.8              46.7    -1.9     49.0
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32     16                                  9
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           0.71              3.01   -2.30     1.64
DAILY AVG.       0.02                               0.05
DAYS >= .01         7                                  5
DAYS >= .10         3                                  3
DAYS >= .50         0                                  1
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.32   01/23 TO 01/24           01/20 TO 01/21
                                                          01/31 TO 01/31
                                                          01/31 TO 01/31

DEGREE_DAYS
HEATING TOTAL     618               567      51      485
 SINCE 7/1       1489              1598    -109     1495
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..................................................

WIND (MPH)
AVERAGE WIND SPEED              3.6
RESULTANT WIND SPEED/DIRECTION   1/061
HIGHEST WIND SPEED/DIRECTION    24/260    DATE  01/09
HIGHEST GUST SPEED/DIRECTION    30/260    DATE  01/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      5
HAZE                     12

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

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