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

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000
CXUS51 KPHI 011509
CLMABE


CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
943 AM EST MON JAN 1 2018

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

...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1922 TO 2017

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            95   06/13        MM      MM       96  08/13
                                                          07/23
                                                          07/22
LOWEST              6   12/31        MM      MM        2  02/14
                        01/09
AVG. MAXIMUM     64.1              61.5     2.6     65.3
AVG. MINIMUM     43.9              40.9     3.0     43.1
MEAN             54.0              51.2     2.8     54.2
DAYS MAX >= 90     19              11.9     7.1       39
DAYS MAX <= 32     19              23.3    -4.3       15
DAYS MIN <= 32    106             123.2   -17.2      113
DAYS MIN <= 0       0               1.4    -1.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS          50.18            45.35    4.83    36.82
DAILY AVG.       0.14              0.12    0.02     0.10
DAYS >= .01       141             126.8    14.2      127
DAYS >= .10        88              78.0    10.0       75
DAYS >= .50        34              29.5     4.5       19
DAYS >= 1.00       15              11.6     3.4        8
GREATEST
 24 HR. TOTAL    2.90   08/18 TO 08/18           02/23 TO 02/24
                                                          01/23 TO 01/23
                                                          01/23 TO 01/23
 STORM TOTAL     2.90                                 MM
 (MM/DD(HH))            MM                    02/24(00) TO 02/24(00)
                                                 01/23(00) TO 01/23(00)3
                                                 01/23(00) TO 01/23(00)3

SNOWFALL (INCHES)
RECORDS
 TOTAL           43.8   2015
 24 HR TOTAL     30.2   MM
 SNOW DEPTH        28   01/24/2016
TOTALS           37.2              32.9     4.3     36.9
 LIQUID EQUIV    3.72              3.30    0.42     3.69
SINCE 7/1         9.6               5.9     3.7      0.7
 LIQUID 7/1      0.96              0.60    0.36     0.07
SNOWDEPTH AVG.      0                MM      MM        1
DAYS >= TRACE      29              17.3    11.7       30
DAYS >= 1.0         8               8.5    -0.5        4
GREATEST
 SNOW DEPTH        12   03/15                         28  01/24
 24 HR TOTAL     12.4   03/14 TO 03/14           01/23 TO 01/23
                                                          01/23 TO 01/23
                                                          01/23 TO 01/23
 STORM TOTAL     13.7                                 MM
 (MM/DD(HH))            MM                    01/23(00) TO 01/23(00)
                                                 01/23(00) TO 01/23(00)3
                                                 01/23(00) TO 01/23(00)3

DEGREE_DAYS
HEATING TOTAL    4903              5801    -898     5052
 SINCE 7/1         MM              2195      MM       MM
COOLING TOTAL    1004               757     247     1223
 SINCE 1/1       1004               757     247     1223

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
....................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
RESULTANT WIND SPEED/DIRECTION   2/279
HIGHEST WIND SPEED/DIRECTION    46/300    DATE  07/01
HIGHEST GUST SPEED/DIRECTION    65/290    DATE  07/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)    0
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR          166
NUMBER OF DAYS PC            119
NUMBER OF DAYS CLOUDY         80

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN               45     RAIN                      74
LIGHT RAIN              170     FREEZING RAIN              2
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                2     SNOW                       6
LIGHT SNOW               27     SLEET                      4
FOG                     174     FOG W/VIS <= 1/4 MILE     20
HAZE                     74

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

$$




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