Climatological Report (Monthly) Issued by NWS Anchorage, AK
000
CXAK58 PAFC 021330
CLMANC
CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
427 AM AKST WED JAN 2 2013
...................................
...THE ANCHORAGE AK CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1915 TO 2013
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 53 12/10/1940
12/07/1934
LOW -36 12/25/1917
12/24/1917
HIGHEST 47 MM MM 45
LOWEST -9 MM MM -2
AVG. MAXIMUM 20.1 24.8 -4.7 28.6
AVG. MINIMUM 9.1 13.2 -4.1 17.3
MEAN 14.6 19.0 -4.4 23.0
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 27 23.4 3.6 17
DAYS MIN <= 32 31 30.1 0.9 30
DAYS MIN <= 0 10 4.6 5.4 1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.67 1955
MINIMUM 0.09 1995
TOTALS 1.83 1.11 0.72 2.66
DAILY AVG. 0.06 0.04 0.02 0.09
DAYS >= .01 6 10.5 -4.5 21
DAYS >= .10 4 3.7 0.3 10
DAYS >= .50 1 0.3 0.7 1
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.95 12/12 TO 12/12 12/12 TO 12/12
12/12 TO 12/12
12/12 TO 12/12
STORM TOTAL
(MM/DD(HH)) 12/12(00) TO 12/12(00)
12/12(00) TO 12/12(00)2
12/12(00) TO 12/12(00)2
SNOWFALL (INCHES)
RECORDS
TOTAL 41.6 5
0
-26215
24 HR TOTAL 17.7 12/28/1955 TO 12/29/1955
SNOW DEPTH 47 12/31/1955
TOTALS 18.2 16.7 1.5 31.1
SINCE 7/1 24.9 38.1 -13.2 66.9
SNOWDEPTH AVG. 10 8 2 15
DAYS >= TRACE 9 10.8 -1.8 25
DAYS >= 1.0 5 4.6 0.4 9
GREATEST
SNOW DEPTH 15 12/12 23 12/27
24 HR TOTAL 8.6 MM 12/12 TO 12/12
12/12 TO 12/12
12/12 TO 12/12
STORM TOTAL
(MM/DD(HH)) 12/12(00) TO 12/12(00)
12/12(00) TO 12/12(00)2
12/12(00) TO 12/12(00)2
DEGREE_DAYS
HEATING TOTAL 1556 1426 130 1295
SINCE 7/1 5011 4590 421 4678
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 2 -2 0
FREEZE DATES
RECORD
EARLIEST 08/14/1946
LATEST 06/08/1919
EARLIEST 12/01 09/23
LATEST 05/08
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WIND (MPH)
AVERAGE WIND SPEED 6.6
RESULTANT WIND SPEED/DIRECTION 4/001
HIGHEST WIND SPEED/DIRECTION 24/MM DATE MM
HIGHEST GUST SPEED/DIRECTION 43/MM DATE MM
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 13
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 3 HAIL 0
HEAVY SNOW 0 SNOW 2
LIGHT SNOW 10 SLEET 0
FOG 10 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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/C CXAK58 PAFC 021330