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

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CXUS51 KCTP 010812
CLMMDT

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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1888 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              75   12/07/1998
                        12/29/1984
 LOW               -8   12/23/1960
HIGHEST            58   12/05                         59  12/27
LOWEST              1   12/31                         14  12/20
                                                          12/16
AVG. MAXIMUM     40.2              41.3    -1.1     43.1
AVG. MINIMUM     25.0              26.6    -1.6     28.6
MEAN             32.6              33.9    -1.3     35.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      8               4.7     3.3        2
DAYS MIN <= 32     26              24.0     2.0       21
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.57   1983
 MINIMUM         0.23   1955
TOTALS           1.18              3.23   -2.05     2.36
DAILY AVG.       0.04              0.10   -0.06     0.08
DAYS >= .01         8               9.7    -1.7       10
DAYS >= .10         3               6.0    -3.0        7
DAYS >= .50         1               2.6    -1.6        1
DAYS >= 1.00        0               0.9    -0.9        0
GREATEST
 24 HR. TOTAL    0.52   12/23 TO 12/23

SNOWFALL (INCHES)
RECORDS
 TOTAL           28.3   1969
TOTALS            5.6               5.1     0.5      0.8
SINCE 7/1         5.6               5.7    -0.1      0.8
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         2               1.2     0.8        0
GREATEST
 SNOW DEPTH         3   12/31                          1  12/17
 24 HR TOTAL      3.2   12/30 TO 12/30           12/17 TO 12/17

DEGREE_DAYS
HEATING TOTAL     996               962      34      897
 SINCE 7/1       1851              2001    -150     1683
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1214              1002     212     1515
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
HIGHEST WIND SPEED/DIRECTION    35/300    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    46/290    DATE  12/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                7     SLEET                      1
FOG                      16     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

&&

A RECORD DAILY SNOWFALL OF 3.2 INCHES WAS SET ON 12/30.
THE PREVIOUS RECORD DAILY SNOWFALL WAS 2.4 INCHES SET IN 1997.

$$
MS


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