319 CDAK48 PAFC 211251 CLIANC CLIMATE REPORT NATIONAL WEATHER SERVICE ANCHORAGE, AK 347 AM AKST THU DEC 21 2017 ................................... ...THE ANCHORAGE AK CLIMATE SUMMARY FOR DECEMBER 20 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1952 TO 2017 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 35 253 PM 47 1969 25 10 21 MINIMUM 20 1159 PM -20 1957 13 7 12 AVERAGE 28 19 9 17 PRECIPITATION (IN) YESTERDAY 0.00 0.52 1999 0.04 -0.04 MONTH TO DATE 0.43 0.75 -0.32 SINCE SEP 1 6.70 6.93 -0.23 SINCE JAN 1 18.64 16.22 2.42 SNOWFALL (IN) YESTERDAY 0.0 12.2 1999 0.5 -0.5 T MONTH TO DATE 1.0 11.1 -10.1 12.4 SINCE SEP 1 9.3 32.5 -23.2 16.3 SINCE JUL 1 9.3 32.5 -23.2 16.3 SNOW DEPTH 3 DEGREE DAYS HEATING YESTERDAY 37 -9 MONTH TO DATE 661 -252 SINCE DEC 1 661 -252 SINCE JUL 1 3535 -542 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 3 1 .................................................................. WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 7.4 RELATIVE HUMIDITY (PERCENT) HIGHEST 96 LOWEST 64 AVERAGE 80 .......................................................... THE ANCHORAGE AK CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 25 43 1999 MINIMUM TEMPERATURE (F) 13 -17 1956 SUNRISE AND SUNSET DECEMBER 21 2017......SUNRISE 1014 AM AKST SUNSET 343 PM AKST DECEMBER 22 2017......SUNRISE 1015 AM AKST SUNSET 343 PM AKST CIVIL TWILIGHT DECEMBER 21 2017 START 913 AM GMT END 445 PM GMT DECEMBER 22 2017 START 913 AM GMT END 446 PM GMT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ && ------------------------------------------------------ AMOUNT OF DAYLIGHT TODAY (HOUR:MIN)........ 5:28 GAIN/LOSS SINCE YESTERDAY (HOUR:MIN:SEC)....-0:00:03