Climatological Report (Monthly)
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779
CXUS51 KCTP 011459
CLMAOO

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
959 AM EST WED JAN 01 2025

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

...THE ALTOONA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             74   12/06/1998
 LOW             -11   12/25/1983
HIGHEST           61   12/29                          60  12/02
LOWEST             8   12/23                          18  12/20
AVG. MAXIMUM    40.4               39.9     0.5     45.8
AVG. MINIMUM    27.2               26.2     1.0     33.0
MEAN            33.8               33.1     0.7     39.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     7                8.2    -1.2        1
DAYS MIN <= 32    22               24.4    -2.4       13
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.75   1990
 MINIMUM        0.19   1955
TOTALS          2.67               2.57    0.10     3.00
DAILY AVG.      0.09               0.08    0.01     0.10
DAYS >= .01       12               10.3     1.7       11
DAYS >= .10        7                5.7     1.3        7
DAYS >= .50        2                1.7     0.3        1
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.71   12/09 TO 12/09               0.85  12/10 TO 12/10


DEGREE DAYS
HEATING TOTAL    960                990     -30      787
 SINCE 7/1      1947               2179    -232       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       837                692     145       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    38/290    DATE  12/05
                                38/260          12/12
HIGHEST GUST SPEED/DIRECTION    54/280    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.65
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         14

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      5
HAZE                      5

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

$$