Climatological Report (Monthly)
Issued by NWS Portland, ME

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000 CXUX51 KGYX 062002 CCA CLMGYX PWMCLMGYX 000 TTAA00 KGYX 021927 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 354 PM EDT WED OCT 4 2017 ................................... ...THE GRAY ME CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1995 TO 2017 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH 96 09/09/2002 LOW 31 09/29/2000 HIGHEST 89 09/24 87 2 92 LOWEST 44 09/30 39 5 42 AVG. MAXIMUM 75.3 70.0 5.3 73.8 AVG. MINIMUM 55.2 50.7 4.5 54.8 MEAN 65.3 60.4 4.9 64.3 DAYS MAX >= 90 0 0.3 -0.3 1 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.1 -0.1 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 12.55 2008 MINIMUM 1.06 2016 2014 TOTALS 2.57 4.19 -1.62 1.06 DAILY AVG. 0.09 0.14 -0.05 0.04 DAYS >= .01 8 10.1 -2.1 9 DAYS >= .10 5 6.4 -1.4 4 DAYS >= .50 3 2.8 0.2 0 DAYS >= 1.00 0 1.3 -1.3 0 GREATEST 24 HR. TOTAL 1.45 09/06 TO 09/07 SNOWFALL (INCHES) RECORDS TOTAL 0.0 TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 T SNOWDEPTH AVG. 0 DAYS >= TRACE 0 0.0 0.0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 24 HR TOTAL 0.0 DEGREE_DAYS HEATING TOTAL 66 168 -102 95 SINCE 7/1 97 204 -107 114 COOLING TOTAL 83 28 55 80 SINCE 1/1 521 387 134 607 .............................................................. - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && SEPTEMBER BEGAN THE SAME WAY AUGUST ENDED, WITH COOL, FALL-LIKE WEATHER. AFTER A FEW DAYS OF RAIN, A NEW WEATHER PATTERN BEGAN TO EMERGE. A RIDGE OF HIGH PRESSURE BUILT OVER THE WESTERN ATLANTIC AND THE EAST COAST, PUMPING WARM, HUMID AIR UP INTO NEW ENGLAND. ALTHOUGH AN OCCASIONAL COLD FRONT BROUGHT TEMPERATURES BACK DOWN CLOSER TO NORMAL LEVELS, THE WARMTH AND HUMIDITY KEPT RETURNING. THE HEAT PEAKED IN LATE SEPTEMBER WHEN THERE WERE 5 CONSECUTIVE DAYS ABOVE 80 DEGREES FROM THE 23RD THROUGH 27TH, INCLUDING A HIGH OF 89 ON THE 24TH. A STRONG COLD FRONT BROUGHT COOLER WEATHER FOR THE LAST TWO DAYS OF THE MONTH, MORE TYPICAL OF WHAT WOULD BE EXPECTED IN FALL. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 65.3 DEGREES WHICH WAS 4.9 DEGREES ABOVE NORMAL. THE WARMEST SEPTEMBER ON RECORD WAS IN 2015 WHEN THE AVERAGE TEMPERATURE WAS 65.4 DEGREES. THE COOLEST WAS 58.8 DEGREES IN 2000. A TOTAL OF 2.57 INCHES OF RAIN FELL WHICH WAS 1.62 INCHES BELOW NORMAL MARKING THE 4TH STRAIGHT MONTH OF BELOW NORMAL PRECIPITATION AT THE NATIONAL WEATHER SERVICE OFFICE IN GRAY. NEARLY ALL OF THIS RAIN FELL IN THE FIRST WEEK OF THE MONTH, WITH THE HEAVIEST ON THE 6TH WHEN 0.86 INCHES FELL. THE DRIEST SEPTEMBER HAD ONLY 1.06 INCHES FALL IN 2016 AND 2014. THE WETTEST WAS IN 2008 WHEN 12.55 INCHES FELL. $$ KIMBLE

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