276 CXUS51 KGYX 021455 CLMPWM CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 1055 AM EDT THU MAY 2 2013 ................................... ...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1941 TO 2013 /FOR TEMPERATURES/ CLIMATE RECORD PERIOD 1871 TO 2013 /FOR PRECIPITATION/ CLIMATE RECORD PERIOD 1882 TO 2013 /FOR SNOWFALL/ WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 92 04/28/2009 LOW 8 04/04/1954 HIGHEST 65 04/19 75 -10 83 04/17 LOWEST 25 04/07 24 1 23 04/01 AVG. MAXIMUM 53.3 53.3 0.0 57.9 AVG. MINIMUM 35.0 34.7 0.3 36.0 MEAN 44.2 44.0 0.2 47.0 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.2 -0.2 0 DAYS MIN <= 32 11 10.4 0.6 10 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.90 1973 MINIMUM 0.28 1999 TOTALS 2.11 4.32 -2.21 4.84 DAILY AVG. 0.07 0.14 -0.07 0.16 DAYS >= .01 11 11.2 -0.2 8 DAYS >= .10 5 7.0 -2.0 3 DAYS >= .50 1 2.9 -1.9 2 DAYS >= 1.00 0 1.0 -1.0 2 GREATEST 24 HR. TOTAL 0.63 04/01 TO 04/01 03/31 TO 04/01 04/01 TO 04/01 SNOWFALL (INCHES) RECORDS TOTAL 20.5 1906 TOTALS 0.2 2.8 -2.6 T SINCE 7/1 98.0 61.9 36.1 SNOWDEPTH AVG. 0 DAYS >= TRACE 3 1.0 2.0 DAYS >= 1.0 0 0.6 -0.6 GREATEST SNOW DEPTH T 04/13 24 HR TOTAL 0.2 04/12 TO 04/12 DEGREE_DAYS HEATING TOTAL 618 630 -12 536 SINCE 7/1 6145 6648 -503 5530 COOLING TOTAL 0 0 0 1 SINCE 1/1 0 0 0 1 ................................................................. WIND (MPH) AVERAGE WIND SPEED 9.2 HIGHEST WIND SPEED/DIRECTION 30/300 DATE 04/03 HIGHEST GUST SPEED/DIRECTION 39/280 DATE 04/03 SKY COVER AVERAGE SKY COVER 0.40 AVERAGE RH (PERCENT) 63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 HEAVY RAIN 0 RAIN 4 LIGHT RAIN 11 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 2 FOG 10 FOG W/VIS <= 1/4 MILE 0 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && AFTER A VERY SNOWY WINTER PORTLAND ENJOYED A MUCH DRIER THAN NORMAL APRIL WITH MILD TYPICAL SPRING TEMPERATURES. THE AVERAGE TEMPERATURE WAS JUST 0.2 DEGREES ABOVE NORMAL. THE AVERAGE OF 44.2 WAS THE 30TH WARMEST APRIL IN THE PAST 73 YEARS. THE WARMEST APRIL ON RECORD IS 48.8 DEGREES SET IN 2010 AND THE COLDEST IS 38.4 DEGREES SET IN 1943. THE AVERAGE HIGH FOR THE MONTH WAS 53.3 DEGREES WHICH IS NORMAL FOR APRIL AND TIED THREE OTHER YEARS AS THE 32ND WARMEST ON RECORD. THE AVERAGE LOW FOR THE MONTH WAS 35.0 DEGREES WHICH WAS 0.3 DEGREES ABOVE NORMAL AND TIED THREE OTHER YEARS AS THE 21ST WARMEST. THERE WERE NO EXTREME TEMPERATURES IN APRIL WITH THE HIGH FOR THE MONTH JUST 65 DEGREES (ON THE 19TH) AND THE LOW 25 DEGREES (ON THE 7TH). THE COLDEST HIGH WAS 39 DEGREES ON THE 2ND. ALL OTHER DAYS REACHED 40 OR HIGHER...WITH EIGHT DAYS REACHING 60 OR WARMER AND ANOTHER 13 DAYS CLIMBING INTO THE 50S. THERE WERE FIVE DAYS WITH LOWS IN THE 20S AND A TOTAL OF 11 DAYS WITH LOWS OF 32 OR COLDER. THERE WERE EIGHT DAYS WITH LOWS IN THE 40S INCLUDING THE WARMEST LOW OF 46 ON THE 19TH. PORTLAND HAD JUST OVER TWO INCHES OF PRECIPITATION (RAINFALL PLUS MELTED SNOWFALL) IN APRIL WHICH WAS LESS THAN HALF THE NORMAL PRECIPITATION FOR THE MONTH. THE 2.11 INCHES WAS 2.21 INCHES BELOW THE NORMAL OF 4.32 INCHES PRECIPITATION FOR THE MONTH OF APRIL. THIS WAS THE 24TH DRIEST APRIL IN 143 YEARS. THE DRIEST APRIL WAS 0.28 INCHES IN 1999 AND THE WETTEST WAS 9.90 INCHES IN 1973. THE MOST PRECIPITATION IN ANY ONE DAY WAS 0.63 INCHES ON THE FIRST DAY OF THE MONTH. THIS WAS FOLLOWED BY A SEVEN DAY STRETCH WITH SIX DRY DAYS OUT OF SEVEN WITH THE OTHER DAY RECEIVING JUST A TRACE. FROM THE 9TH THROUGH THE 14TH PORTLAND SAW PRECIPITATION ON EACH OF THESE SIX DAYS WITH A TOTAL OF 1.22 INCHES. THIS WET PERIOD WAS FOLLOWED BY A PROLONGED DRY PERIOD WITH A TRACE OR MORE OF PRECIPITATION ON JUST FIVE OF THE LAST 16 DAYS OF THE MONTH. THESE 16 DAYS RECORDED A TOTAL OF JUST 0.26 INCHES OF RAIN. PORTLAND HAD JUST 0.2 INCHES OF SNOW IN APRIL. THIS WAS 2.6 INCHES BELOW NORMAL AND IS THE 91ST SNOWIEST APRIL IN THE PAST 132 YEARS. THE SNOWIEST APRIL WAS 20.5 INCHES IN 1906 AND THE LEAST SNOWIEST WAS ZERO INCHES OF SNOW IN TEN DIFFERENT YEARS...THE MOST RECENT IN 2009. PORTLAND HAD JUST THREE DAYS WITH SNOW... 0.2 INCHES ON THE 12TH AND A TRACE ON THE 6TH AND 13TH. PORTLAND DID NOT SET OR TIE ANY DAILY RECORDS DURING APRIL OF 2013. $$ SJC