317
CXUS51 KPHI 072127
CLAABE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
427 PM EST WED JAN 07 2026

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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2026

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   06/24         96       2       98  06/22
LOWEST            -8   01/22          2     -10        1  12/23
AVG. MAXIMUM    62.4               63.3    -0.9     64.4
AVG. MINIMUM    42.1               42.8    -0.7     43.9
MEAN            52.2               53.1    -0.9     54.1
DAYS MAX >= 90    16               18.0    -2.0       25
DAYS MAX <= 32    31               22.0     9.0       11
DAYS MIN <= 32   131              118.0    13.0      100
DAYS MIN <= 0      2                1.0     1.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       71.72   2011
 MINIMUM       29.82   1980
TOTALS         37.51              47.36   -9.85    42.06
DAILY AVG.      0.10               0.13   -0.03     0.12
DAYS >= .01      128              129.1    -1.1      124
DAYS >= .10       76               81.5    -5.5       77
DAYS >= .50       23               31.3    -8.3       30
DAYS >= 1.00       7               12.3    -5.3       13
GREATEST
 24 HR. TOTAL   2.17   05/13 TO 05/14               2.35  08/18 TO 08/18
 STORM TOTAL    1.88                                2.35

SNOWFALL (INCHES)
RECORDS
 TOTAL          74.4   1994
 SNOW DEPTH       28   01/24/2016
                       02/12/1983
TOTALS          20.7               33.1   -12.4     30.0
 LIQUID EQUIV   2.10               3.30   -1.20     3.00
SINCE 7/1        7.7                5.7     2.0      4.8
 LIQUID 7/1     0.77               0.50    0.27     0.48
SNOWDEPTH AVG.     T                                   0
DAYS >= TRACE     34               39.0    -5.0       28
DAYS >= 1.0        6                8.0    -2.0        6
GREATEST
 SNOW DEPTH        6   01/20                           8  02/17
 24 HR TOTAL     5.7   01/19 TO 01/19                9.1  02/13 TO 02/13
 STORM TOTAL     5.7                                 9.1

DEGREE DAYS
HEATING TOTAL   5461               5293     168     4856
 SINCE 7/1      2121               1967     154     1870
COOLING TOTAL    924                981     -57      994
 SINCE 1/1       924                981     -57      994

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

WIND (MPH)
AVERAGE WIND SPEED              7.2
RESULTANT WIND SPEED/DIRECTION   2/280
HIGHEST WIND SPEED/DIRECTION    38/250    DATE  06/22
HIGHEST GUST SPEED/DIRECTION    57/320    DATE  11/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.42
NUMBER OF DAYS FAIR          174
NUMBER OF DAYS PC            109
NUMBER OF DAYS CLOUDY         78

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             33     MIXED PRECIP               0
HEAVY RAIN               37     RAIN                      61
LIGHT RAIN              144     FREEZING RAIN              4
LT FREEZING RAIN         10     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               32     SLEET                      6
FOG                     147     FOG W/VIS <= 1/4 MILE     15
HAZE                      3

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

$$

STAARMANN