Climatological Report (Monthly)
Issued by NWS Portland, ME

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000 CXUS51 KGYX 031044 CLMPWM PWMCLMPWM 000 TTAA00 KGYX 030949 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 544 AM EST FRI FEB 3 2017 ................................... ...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1941 TO 2017 /FOR TEMPERATURES/ CLIMATE RECORD PERIOD 1871 TO 2017 /FOR PRECIPITATION/ CLIMATE RECORD PERIOD 1882 TO 2017 /FOR SNOWFALL/ WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 67 01/06/2007 LOW -26 01/19/1971 HIGHEST 54 01/11 50 4 52 01/10 LOWEST 1 01/09 -7 8 1 01/22 AVG. MAXIMUM 37.4 31.2 6.2 35.1 AVG. MINIMUM 22.3 13.4 8.9 18.8 MEAN 29.8 22.3 7.5 27.0 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 6 16.3 -10.3 13 DAYS MIN <= 32 26 29.6 -3.6 29 DAYS MIN <= 0 0 3.9 -3.9 0 PRECIPITATION (INCHES) RECORD MAXIMUM 12.29 1935 MINIMUM 0.28 2004 TOTALS 3.65 3.38 0.27 3.37 DAILY AVG. 0.12 0.11 0.01 0.11 DAYS >= .01 13 11.1 1.9 8 DAYS >= .10 7 6.6 0.4 4 DAYS >= .50 2 2.4 -0.4 3 DAYS >= 1.00 2 0.8 1.2 1 GREATEST 24 HR. TOTAL 1.36 01/24 SNOWFALL (INCHES) RECORDS TOTAL 62.4 1979 TOTALS 7.1 19.2 -12.1 13.2 SINCE 7/1 26.5 34.3 -7.8 20.5 SNOWDEPTH AVG. 1 DAYS >= TRACE 10 7.9 2.1 DAYS >= 1.0 2 4.8 -2.8 GREATEST SNOW DEPTH 5 01/19 24 HR TOTAL 4.6 01/17 TO 01/18 DEGREE_DAYS HEATING TOTAL 1083 1324 -241 1170 SINCE 7/1 3470 3936 -466 3247 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 ................................................................. WIND (MPH) AVERAGE WIND SPEED 7.8 HIGHEST WIND SPEED/DIRECTION 28/290 DATE 01/28 HIGHEST GUST SPEED/DIRECTION 40/200 DATE 01/11 SKY COVER AVERAGE SKY COVER 0.60 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 9 FREEZING RAIN 1 LT FREEZING RAIN 2 HEAVY SNOW 0 SNOW 4 LIGHT SNOW 7 FOG 14 FOG W/VIS <= 1/4 MILE 1 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THE YEAR BEGAN WITH A PERIOD OF WARM, WET WEATHER INCLUDING MORE THAN AN INCH OF RAINFALL ON JANUARY 3. COLDER AIR SOON FOLLOWED ALONG WITH SOME LIGHT SNOW ON THE 7TH. THIS ENDED UP BEING THE ONLY PERIOD OF CONSISTENT COLD WEATHER OF THE MONTH. WARMER AIR MOVED IN AGAIN ON THE 10TH AND THE JANUARY THAW BEGAN. THE NEXT THREE DAYS SAW THE TEMPERATURE TOP 50 DEGREES EACH DAY AND THE LAST OF THE EARLY WINTER SNOW PACK MELTED AWAY. SOME BRIEFLY COOLER AIR ARRIVED AGAIN IN THE MIDDLE OF THE MONTH AND A SNOWSTORM ON THE 17TH AND 18TH BROUGHT MORE THAN 5 INCHES OF SNOWFALL. SEVERAL DAYS OF MILD TEMPERATURES FOLLOWED ALLOWING THIS SNOW TO GRADUALLY MELT DOWN TO JUST A TRACE. ANOTHER LOW PRESSURE SYSTEM BROUGHT SLEET AND FREEZING RAIN ON THE 24TH WITH MILD TEMPERATURES REMAINING THROUGH MOST OF THE REST OF THE MONTH. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 29.8 DEGREES WHICH WAS 7.5 DEGREES ABOVE NORMAL AND THE 4TH WARMEST JANUARY ON RECORD. THE WARMEST JANUARY WAS IN 2002 WHEN THE AVERAGE TEMPERATURE WAS 30.4 DEGREES. THE COLDEST WAS 1971 AT ONLY 12.1 DEGREES. THE FOLLOWING TABLE LISTS THE WARMEST JANUARYS ON RECORD AT PORTLAND WARMEST JANUARY AVERAGE TEMPERATURE AT PORTLAND (SINCE 1941)... RANK TEMP YEAR 1 30.4 2002 2 30.2 2006 3 30.1 1990 4 29.8 2017 <=== 5 28.5 1953 6 27.3 1956 7 27.1 1998 27.1 1995 9 27.0 2016 10 26.9 2012 26.9 1950 A TOTAL OF 3.65 INCHES OF PRECIPITATION FELL WHICH WAS 0.27 INCHES ABOVE NORMAL. THREE OF THE LAST FOUR MONTHS HAVE SEEN ABOVE NORMAL PRECIPITATION, HELPING TO ALLEVIATE THE DROUGHT WHICH DEVELOPED OVER THE SUMMER. THE HEAVIEST PRECIPITATION FELL ON JANUARY 24 WHEN 1.36 INCHES OF SLEET AND FREEZING RAIN WAS OBSERVED. THE WETTEST JANUARY ON RECORD WAS IN 1935 WHEN 12.29 INCHES WAS MEASURED. THE DRIEST WAS IN 2004 WHEN ONLY 0.28 INCHES FELL. THERE WAS 7.1 INCHES OF SNOW THAT FELL WHICH WAS 12.1 INCHES BELOW NORMAL AND THE LEAST SNOWY JANUARY SINCE 2007. THE HEAVIEST SNOW FELL ON THE 17TH THRU 19TH WHEN 5.1 INCHES WAS MEASURED. THE SNOWIEST JANUARY WAS IN 1979 WHEN 62.4 INCHES OF SNOW WAS OBSERVED. THE LEAST SNOWY WAS IN 1908 WHEN ONLY 1.6 INCHES WAS OBSERVED. THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN JANUARY 2017... DATE RECORD PREVIOUS 11 54 - WARMEST HIGH TEMPERATURE 54 IN 1983 /TIED/ 12 39 - WARMEST LOW TEMPERATURE 35 IN 2014 AND 1956 12 45 - WARMEST AVERAGE TEMPERATURE 43 IN 2014 13 52 - WARMEST HIGH TEMPERATURE 48 IN 1995 AND 1972 21 36 - WARMEST LOW TEMPERATURE 36 IN 1995 /TIED/ 22 5 - SMALLEST TEMPERATURE RANGE 5 IN 1960 /TIED/ 23 3 - SMALLEST TEMPERATURE RANGE 5 IN 1999 $$ KIMBLE

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