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

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417
CXUS51 KPHI 020043
CLAABE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
743 PM EST WED JAN 01 2025

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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            105   07/03/1966
 LOW             -15   01/21/1994
HIGHEST           98   06/22         96       2       96  06/02
LOWEST             1   12/23          2      -1        4  02/04
AVG. MAXIMUM    64.4               63.3     1.1     64.0
AVG. MINIMUM    43.9               42.8     1.1     43.2
MEAN            54.1               53.1     1.0     53.6
DAYS MAX >= 90    25               18.0     7.0       10
DAYS MAX <= 32    11               22.0   -11.0        3
DAYS MIN <= 32   100              118.1   -18.1      105
DAYS MIN <= 0      0                1.2    -1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       71.72   2011
 MINIMUM       29.82   1980
TOTALS         42.06              47.36   -5.30    46.38
DAILY AVG.      0.12               0.13   -0.01     0.13
DAYS >= .01      124              129.1    -5.1      116
DAYS >= .10       77               81.5    -4.5       78
DAYS >= .50       30               31.3    -1.3       30
DAYS >= 1.00      13               12.3     0.7       15
GREATEST
 24 HR. TOTAL   2.35   08/18 TO 08/18               3.27  12/17 TO 12/18
 STORM TOTAL    2.35                                3.27
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          74.4   1994
 24 HR TOTAL      MM
 SNOW DEPTH       28   02/12/1983 & 01/24/2016
TOTALS          30.0               33.1    -3.1      4.9
 LIQUID EQUIV   3.00               3.30   -0.30     0.50
SINCE 7/1        4.8                5.7    -0.9        T
 LIQUID 7/1     0.48               0.50   -0.02        T
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE     28               16.0    12.0       25
DAYS >= 1.0        6                8.0    -2.0        3
GREATEST
 SNOW DEPTH        8   02/17                           2  02/28
 24 HR TOTAL     9.1   02/13 TO 02/13                2.2
 STORM TOTAL     9.1                                 2.2
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL   4856               5293    -437     4812
 SINCE 7/1      1870               1970    -100       MM
COOLING TOTAL    994                981      13      790
 SINCE 1/1       994                981      13       MM

FREEZE DATES
RECORD
 EARLIEST      09/24/1974
 LATEST        05/21/2002
EARLIEST                        10/18
LATEST                          04/25
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
RESULTANT WIND SPEED/DIRECTION   1/290
HIGHEST WIND SPEED/DIRECTION    38/280    DATE  04/03
HIGHEST GUST SPEED/DIRECTION    50/290    DATE  06/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.41
NUMBER OF DAYS FAIR          191
NUMBER OF DAYS PC             87
NUMBER OF DAYS CLOUDY         88

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             29     MIXED PRECIP               0
HEAVY RAIN               34     RAIN                      61
LIGHT RAIN              149     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW               26     SLEET                      4
FOG                     127     FOG W/VIS <= 1/4 MILE     16
HAZE                      7

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

$$

STAARMANN