Climatological Report (Monthly)
Issued by NWS State College, PA

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CXUS51 KCTP 010801
CLMIPT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
300 AM EST MON JAN 1 2018

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

...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   12/01/2006
 LOW              -15   12/28/1950
HIGHEST            59   12/19                         58  12/01
LOWEST              4   12/31                          8  12/20
AVG. MAXIMUM     38.7              38.1     0.6     40.0
AVG. MINIMUM     24.3              24.3     0.0     26.7
MEAN             31.5              31.2     0.3     33.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      9               7.6     1.4        6
DAYS MIN <= 32     23              24.8    -1.8       23
DAYS MIN <= 0       0               0.3    -0.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.36   1973
 MINIMUM         0.63   1928
TOTALS           1.19              2.93   -1.74     2.96
DAILY AVG.       0.04              0.09   -0.05     0.10
DAYS >= .01        10              10.8    -0.8       16
DAYS >= .10         2               5.7    -3.7        9
DAYS >= .50         1               2.0    -1.0        1
DAYS >= 1.00        0               0.6    -0.6        1
GREATEST
 24 HR. TOTAL    0.55   12/05 TO 12/05

SNOWFALL (INCHES)
RECORDS
 TOTAL           35.5   1969
TOTALS            4.0               6.9    -2.9      8.9
SINCE 7/1         4.1               8.7    -4.6      9.0
SNOWDEPTH AVG.      0                MM      MM        1
DAYS >= 1.0         2               1.8     0.2        4
GREATEST
 SNOW DEPTH         2   12/14                          4  12/14
 24 HR TOTAL      1.4   12/14 TO 12/14

DEGREE_DAYS
HEATING TOTAL    1030              1048     -18      975
 SINCE 7/1       2014              2293    -279     1909
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        929               702     227     1148
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
HIGHEST WIND SPEED/DIRECTION    33/260    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    44/270    DATE  12/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                8     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      0
HAZE                     12

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

&&

A RECORD HIGH TEMPERATURE OF 59 DEGREES WAS SET ON 12/19.
THE PREVIOUS RECORD HIGH WAS 57 DEGREES SET IN 1957.

$$
MS


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