269
CXUS51 KPBZ 011539
CLMPIT

CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1039 AM EST WED JAN 01 2025

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

...THE PITTSBURGH PA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2024

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   12/29         61       4       61  12/08
                                                          12/09
                                                          12/10
LOWEST            12   12/23          7       5       20  12/20
AVG. MAXIMUM    43.6               40.6     3.0     48.9
AVG. MINIMUM    29.6               26.7     2.9     36.4
MEAN            36.6               33.7     2.9     42.7
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     6                7.8    -1.8        1
DAYS MIN <= 32    17               23.4    -6.4       11
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.51   1990
 MINIMUM        0.40   1955
TOTALS          2.71               2.84   -0.13     2.80
DAILY AVG.      0.09               0.09   -0.00     0.09
DAYS >= .01       19               14.6     4.4       16
DAYS >= .10        8                6.7     1.3        5
DAYS >= .50        1                1.8    -0.8        2
DAYS >= 1.00       0                0.3    -0.3        1
GREATEST
 24 HR. TOTAL   0.51   12/09 TO 12/09               1.04

SNOWFALL (INCHES)
RECORDS
 TOTAL          41.8   1890
 24 HR TOTAL    22.0   1890
TOTALS           5.7                7.7    -2.0      1.1
SINCE 7/1        5.7               10.5    -4.8      1.1
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE     15                7.6     7.4        8
DAYS >= 1.0        4                2.8     1.2        0
GREATEST
 24 HR TOTAL     1.5   12/05 TO 12/06                0.6

DEGREE DAYS
HEATING TOTAL    872                972    -100      686
 SINCE 7/1      1672               2111    -439       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1224                797     427       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    36/210    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    61/200    DATE  12/29

SKY COVER
AVERAGE SKY COVER           0.78

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               15     SLEET                      1
FOG                      17     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$
JD