Climatological Report (Monthly)
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CLMJST

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CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
744 AM EST SUN JAN 1 2017

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

...THE JOHNSTOWN CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              76   12/08/1951
 LOW              -15   12/26/1983
                        12/25/1983
HIGHEST            61   12/27                         66  12/27
LOWEST              2   12/16                         18  12/20
AVG. MAXIMUM     36.6              35.2     1.4     49.7
AVG. MINIMUM     23.6              22.1     1.5     36.3
MEAN             30.1              28.7     1.4     43.0
DAYS MAX >= 90      0                MM      MM        0
DAYS MAX <= 32      9                MM      MM        2
DAYS MIN <= 32     28                MM      MM       11
DAYS MIN <= 0       0                MM      MM        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.73   1990
 MINIMUM         0.44   1955
TOTALS           4.18              2.57    1.61     3.73
DAILY AVG.       0.13              0.08    0.05     0.12
DAYS >= .01        16                MM      MM       17
DAYS >= .10         9                MM      MM       11
DAYS >= .50         4                MM      MM        1
DAYS >= 1.00        1                MM      MM        0
GREATEST
 24 HR. TOTAL    1.43   12/17 TO 12/18

DEGREE_DAYS
HEATING TOTAL    1073              1127     -54      674
 SINCE 7/1       2142              2584    -442     1792
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        705               382     323      556
.....................................................

WIND (MPH)
AVERAGE WIND SPEED              12.0
HIGHEST WIND SPEED/DIRECTION    31/270    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    43/250    DATE  12/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               13     FREEZING RAIN              6
LT FREEZING RAIN          7     HAIL                       0
HEAVY SNOW                1     SNOW                       5
LIGHT SNOW               16     SLEET                      0
FOG                      24     FOG W/VIS <= 1/4 MILE     10
HAZE                      5

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

$$

CERU



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