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

000
CXUS51 KPHI 090139
CLAABE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
839 PM EST SAT JAN 08 2022

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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2022

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   06/29         MM      MM       96  07/19
                       06/30
LOWEST             8   02/08         MM      MM        5  12/19
AVG. MAXIMUM    63.2               63.3    -0.1     64.6
AVG. MINIMUM    43.5               42.8     0.7     44.4
MEAN            53.3               53.1     0.2     54.5
DAYS MAX >= 90    23               18.2     4.8       24
DAYS MAX <= 32    17               22.0    -5.0        8
DAYS MIN <= 32   117              118.1    -1.1       92
DAYS MIN <= 0      0                1.2    -1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       71.72   2011
 MINIMUM       99.99   MM
TOTALS         44.67              47.36   -2.69    50.13
DAILY AVG.      0.12               0.13   -0.01     0.14
DAYS >= .01      130              129.1     0.9      124
DAYS >= .10       77               81.5    -4.5       73
DAYS >= .50       25               31.3    -6.3       28
DAYS >= 1.00       9               12.3    -3.3        9
GREATEST
 24 HR. TOTAL   4.15    09/01 TO 09/01              4.92
 STORM TOTAL    4.15                                4.92
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          74.4   1994
 24 HR TOTAL      MM
 SNOW DEPTH       28   01/24/2016
TOTALS          45.1               33.1    12.0     16.2
 LIQUID EQUIV   4.50               3.30    1.20     1.60
SINCE 7/1          T                5.7    -5.7       MM
 LIQUID 7/1    -0.10               0.50   -0.60       MM
SNOWDEPTH AVG.     1                                   0
DAYS >= TRACE     31               15.7    15.3       28
DAYS >= 1.0        8                8.1    -0.1        3
GREATEST
 SNOW DEPTH       24   02/02                          11  12/17
                                                          12/18
 24 HR TOTAL    22.4   02/01 TO 02/01                1.9  01/18 TO 01/18
 STORM TOTAL    22.4                                 9.2
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL   5114               5293    -179     4776
 SINCE 7/1      1754               1970    -216       MM
COOLING TOTAL    997                981      16     1043
 SINCE 1/1       997                981      16       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        11/03
LATEST                          04/22
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
RESULTANT WIND SPEED/DIRECTION   2/290
HIGHEST WIND SPEED/DIRECTION    38/240    DATE  03/26
HIGHEST GUST SPEED/DIRECTION    51/230    DATE  03/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.43
NUMBER OF DAYS FAIR          182
NUMBER OF DAYS PC             99
NUMBER OF DAYS CLOUDY         83

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             32     MIXED PRECIP               0
HEAVY RAIN               30     RAIN                      60
LIGHT RAIN              156     FREEZING RAIN              2
LT FREEZING RAIN          5     HAIL                       0
HEAVY SNOW                4     SNOW                       8
LIGHT SNOW               32     SLEET                      3
FOG                      99     FOG W/VIS <= 1/4 MILE     13
HAZE                     32

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

$$