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000
CXUS51 KPBZ 141558
CLMPIT


CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1058 AM EST MON JAN 14 2013

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

...THE PITTSBURGH CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              74   12/03/1982
 LOW              -12   12/22/1989
                        12/25/1983
HIGHEST            65                        MM       61  12/05
LOWEST             20                        MM       16  12/11
AVG. MAXIMUM     44.7              39.4     5.3     44.4
AVG. MINIMUM     31.5              25.3     6.2     30.5
MEAN             38.1              32.4     5.7     37.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      6               8.7    -2.7        0
DAYS MIN <= 32     20              23.8    -3.8       19
DAYS MIN <= 0       0               0.4    -0.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.51   1990
 MINIMUM         0.40   1955
TOTALS           5.53              2.85    2.68
DAILY AVG.       0.18              0.09    0.09     0.08
DAYS >= .01        19              15.1     3.9       15
DAYS >= .10        11               6.8     4.2        6
DAYS >= .50         5               1.6     3.4        1
DAYS >= 1.00        0               0.3    -0.3        0
GREATEST
 24 HR. TOTAL    1.05   12/07 TO 12/08           12/27 TO 12/27
                                                          12/27 TO 12/27
                                                          12/27 TO 12/27

SNOWFALL (INCHES)
RECORDS
 TOTAL           36.3   1890
 24 HR TOTAL     22.0   MM
TOTALS           13.7               8.3     5.4      1.2
SINCE 7/1        14.5              10.8     3.7      2.8
SNOWDEPTH AVG.      1                 2      -1        0
DAYS >= TRACE       8
DAYS >= 1.0         5               2.6     2.4        0
GREATEST
 24 HR TOTAL      4.9   MM                           0.6

DEGREE_DAYS
HEATING TOTAL     823              1012    -189      842
 SINCE 7/1       2071              2175    -104     1837
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1025               736     289     1009
........................................................

WIND (MPH)
AVERAGE WIND SPEED              7.1
HIGHEST WIND SPEED/DIRECTION    32/300    DATE  12/22
HIGHEST GUST SPEED/DIRECTION    40/310    DATE  12/22

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       5
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       6
LIGHT SNOW                9     SLEET                      1
FOG                      24     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

$$