NOAA

National Weather Service Weather Forecast Office

Philadelphia/Mt Holly

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

Climatological Report (Annual)
Issued by NWS Mt. Holly, NJ

000
CXUS51 KPHI 020854
CLAPHL

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
354 AM EST TUE JAN 02 2024

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

...THE PHILADELPHIA PA CLIMATE SUMMARY FOR THE YEAR OF 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1872 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            106   08/07/1918
 LOW             -11   02/09/1934
HIGHEST           97   09/07         98      -1       99  07/24
LOWEST            15   02/04          9       6        7  12/24
AVG. MAXIMUM    67.2               65.2     2.0     67.0
AVG. MINIMUM    49.8               47.3     2.5     49.2
MEAN            58.5               56.3     2.2     58.1
DAYS MAX >= 90    24               29.7    -5.7       48
DAYS MAX <= 32     1               13.1   -12.1       11
DAYS MIN <= 32    43               77.3   -34.3       85
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       64.33   2011
 MINIMUM       29.31   1922
TOTALS         42.19              44.11   -1.92    42.51
DAILY AVG.      0.12               0.12    0.00     0.12
DAYS >= .01      117              120.8    -3.8      121
DAYS >= .10       73               73.3    -0.3       81
DAYS >= .50       32               29.5     2.5       31
DAYS >= 1.00      14               10.9     3.1       11
GREATEST
 24 HR. TOTAL   3.02   12/17 TO 12/18               2.02  10/02 TO 10/03
 STORM TOTAL    3.02                                1.99
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          67.3   2010
 24 HR TOTAL    30.7   01/07/1996 TO 01/08/1996
 SNOW DEPTH       28   01/08/1996
TOTALS           0.3               23.1   -22.8     12.9
 LIQUID EQUIV   0.00               2.30   -2.30     1.30
SINCE 7/1          T                3.7    -3.7       MM
 LIQUID 7/1    -0.10               0.30   -0.40       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE     12               12.0     0.0       19
DAYS >= 1.0        0                5.2    -5.2        4
GREATEST
 SNOW DEPTH        0                                   6  01/29
 24 HR TOTAL     0.3                                 5.8  01/29 TO 01/29
 STORM TOTAL     0.3                                 7.5
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL   3587               4510    -923     4135
 SINCE 7/1      1369               1613    -244       MM
COOLING TOTAL   1345               1358     -13     1743
 SINCE 1/1      1345               1359     -14       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        11/13
LATEST                          03/21
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
RESULTANT WIND SPEED/DIRECTION   2/290
HIGHEST WIND SPEED/DIRECTION    47/250    DATE  08/07
HIGHEST GUST SPEED/DIRECTION    62/310    DATE  04/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.61
NUMBER OF DAYS FAIR           72
NUMBER OF DAYS PC            168
NUMBER OF DAYS CLOUDY        125

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             40     MIXED PRECIP               0
HEAVY RAIN               42     RAIN                      68
LIGHT RAIN              150     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW               10     SLEET                      3
FOG                     137     FOG W/VIS <= 1/4 MILE     12
HAZE                     27

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

$$