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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7
000
CXUS51 KPHI 020854
CLAABE

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

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

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

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           96   06/02         MM      MM       95  07/23
                                                          07/24
                                                          08/09
LOWEST             4   02/04         MM      MM        1  02/15
AVG. MAXIMUM    64.0               63.3     0.7     62.9
AVG. MINIMUM    43.2               42.8     0.4     41.4
MEAN            53.6               53.1     0.5     52.2
DAYS MAX >= 90    10               18.2    -8.2       21
DAYS MAX <= 32     3               22.0   -19.0       24
DAYS MIN <= 32   105              118.1   -13.1      128
DAYS MIN <= 0      0                1.2    -1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       71.72   2011
 MINIMUM       29.82   1980
TOTALS         46.38              47.36   -0.98    46.47
DAILY AVG.      0.13               0.13    0.00     0.13
DAYS >= .01      116              129.1   -13.1      118
DAYS >= .10       78               81.5    -3.5       83
DAYS >= .50       30               31.3    -1.3       28
DAYS >= 1.00      15               12.3     2.7       14
GREATEST
 24 HR. TOTAL   3.27   12/17 TO 12/18               2.57  08/21 TO 08/22
 STORM TOTAL    3.27                                2.56
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          74.4   1994
 24 HR TOTAL    31.9   01/22/2016 TO 01/23/2016
 SNOW DEPTH       28   01/24/2016
TOTALS           4.9               33.1   -28.2     20.9
 LIQUID EQUIV   0.50               3.30   -2.80     2.10
SINCE 7/1          T                5.7    -5.7       MM
 LIQUID 7/1    -0.10               0.50   -0.60       MM
SNOWDEPTH AVG.     0                                  -1
DAYS >= TRACE     25               15.7     9.3       27
DAYS >= 1.0        3                8.1    -5.1        7
GREATEST
 SNOW DEPTH        2   02/28                           5  02/13
                                                          02/14
 24 HR TOTAL     2.2                                 5.1  02/13 TO 02/13
 STORM TOTAL     2.2                                 5.1
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL   4812               5293    -481     5545
 SINCE 7/1      1877               1970     -93       MM
COOLING TOTAL    790                981    -191      986
 SINCE 1/1       790                981    -191       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        11/01
LATEST                          05/18
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
RESULTANT WIND SPEED/DIRECTION   2/300
HIGHEST WIND SPEED/DIRECTION    40/220    DATE  08/07
HIGHEST GUST SPEED/DIRECTION    54/230    DATE  08/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.42
NUMBER OF DAYS FAIR          167
NUMBER OF DAYS PC            124
NUMBER OF DAYS CLOUDY         74

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             34     MIXED PRECIP               0
HEAVY RAIN               50     RAIN                      71
LIGHT RAIN              155     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               21     SLEET                     10
FOG                     155     FOG W/VIS <= 1/4 MILE     19
HAZE                     32

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

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.