National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS51 KPBZ 011302
CLMPIT


CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
802 AM EST TUE JAN 1 2013

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012

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.

$$