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

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CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
452 AM EDT WED NOV 1 2017

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

...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR THE MONTH OF OCTOBER
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              93   10/02/1927
 LOW               19   10/28/1936
HIGHEST            84   10/09                         84  10/18
                        10/07
LOWEST             33   10/27                         30  10/26
AVG. MAXIMUM     69.6              62.0     7.6     65.4
AVG. MINIMUM     48.5              41.5     7.0     46.0
MEAN             59.0              51.7     7.3     55.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               3.6    -3.6        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.60   1990
 MINIMUM         0.19   1963
TOTALS           6.70              3.42    3.28     3.39
DAILY AVG.       0.22              0.11    0.11     0.11
DAYS >= .01        12              10.3     1.7       12
DAYS >= .10         7               5.7     1.3        6
DAYS >= .50         4               2.1     1.9        2
DAYS >= 1.00        1               0.8     0.2        1
GREATEST
 24 HR. TOTAL    3.33   10/29 TO 10/29

SNOWFALL (INCHES)
RECORDS
 TOTAL            2.0   1925
TOTALS            0.0               0.1    -0.1      0.0
SINCE 7/1         0.0               0.1    -0.1      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL     219               415    -196      293
 SINCE 7/1        286               543    -257      334
COOLING TOTAL      41                 5      36       11
 SINCE 1/1        929               702     227     1148
..................................................

WIND (MPH)
AVERAGE WIND SPEED              5.2
HIGHEST WIND SPEED/DIRECTION    29/270    DATE  10/30
HIGHEST GUST SPEED/DIRECTION    45/100    DATE  10/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       8
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      24     FOG W/VIS <= 1/4 MILE      7
HAZE                      1

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

&&

OCTOBER 2017 WAS THE SECOND WARMEST ON RECORD. THE WARMEST
OCTOBER ON RECORD WAS 2007 WITH A MEAN TEMPERATURE OF 59.4
DEGREES.

THE RAINFALL OF 3.33 INCHES ON 29TH SET A NEW RECORD FOR
RAINFALL FOR THE DATE. THE OLD RECORD FOR THIS DATE WAS
1.54 INCHES SET IN 1973.

OCTOBER 2017 WAS THE 10TH WETTEST. PRIOR TO THIS, 10TH PLACE
WAS OCTOBER 1937 WITH 6.42 INCHES OF RAIN. THE WETTEST OCTOBER
ON RECORD WAS 1990 WITH 9.60 INCHES OF RAIN.

$$

MARTIN



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