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

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135
CXUS51 KCTP 012009
CLAIPT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
309 PM EST FRI JAN 01 2021

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

...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            106   07/09/1936
 LOW             -20   01/21/1994
HIGHEST          100   07/27         MM      MM
LOWEST             4   12/19         MM      MM
AVG. MAXIMUM    63.6               60.2     3.4
AVG. MINIMUM    42.9               40.8     2.1
MEAN            53.2               50.5     2.7
DAYS MAX >= 90    33               15.3    17.7
DAYS MAX <= 32    12               29.3   -17.3
DAYS MIN <= 32   114              121.2    -7.2
DAYS MIN <= 0      0                2.3    -2.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       70.26   2011
 MINIMUM       27.68   1930
TOTALS         37.26              41.28   -4.02
DAILY AVG.      0.10               0.11   -0.01
DAYS >= .01      137              132.8     4.2
DAYS >= .10       72               78.0    -6.0
DAYS >= .50       21               26.8    -5.8
DAYS >= 1.00       7                8.8    -1.8
GREATEST
 24 HR. TOTAL   2.86   04/29 TO 04/30
 STORM TOTAL    2.81
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL          85.9   1995
 24 HR TOTAL    24.1   01/12/1964 TO 01/13/1964
TOTALS          34.6               36.0    -1.4
SINCE 7/1       24.9                8.7    16.2
DAYS >= TRACE     53               23.9    29.1
DAYS >= 1.0        8               10.0    -2.0
GREATEST
 SNOW DEPTH       23   12/17
 24 HR TOTAL    13.7   12/16 TO 12/16
 STORM TOTAL    24.7
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL   5285               5994    -709
 SINCE 7/1      1993               2292    -299
COOLING TOTAL   1077                702     375
 SINCE 1/1      1077                702     375

FREEZE DATES
RECORD
 EARLIEST     09/22/1904
 LATEST       05/25/1956
EARLIEST                        03/01
LATEST                          05/14
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
HIGHEST WIND SPEED/DIRECTION    37/280    DATE  04/21
HIGHEST GUST SPEED/DIRECTION    53/290    DATE  04/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR          134
NUMBER OF DAYS PC            133
NUMBER OF DAYS CLOUDY         99

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             19     MIXED PRECIP               0
HEAVY RAIN               28     RAIN                      54
LIGHT RAIN              160     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW               MM     SNOW                      MM
LIGHT SNOW               49     SLEET                      0
FOG                     156     FOG W/VIS <= 1/4 MILE     29
HAZE                     42

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

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