Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
000 CXUS51 KGYX 051125 CLSMHT PWMCLSMHT 000 TTAA00 GYX 020934 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 725 AM EDT SUN SEP 05 2021 ................................... ...THE MANCHESTER CLIMATE SUMMARY FOR THE SUMMER SEASON, FROM 6/1/2021 TO 8/31/2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1885 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) HIGHEST 98 06/29 97 1 98 07/19 LOWEST 44 06/10 44 0 42 06/01 AVG. MAXIMUM 82.5 81.7 0.8 84.9 AVG. MINIMUM 63.8 61.1 2.7 63.8 MEAN 73.2 71.4 1.8 74.4 DAYS MAX >= 90 22 13.8 8.2 32 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) TOTALS 15.12 10.69 4.43 5.26 DAILY AVG. 0.16 0.12 0.04 0.06 DAYS >= .01 41 34.2 6.8 29 DAYS >= .10 30 20.8 9.2 15 DAYS >= .50 8 7.0 1.0 2 DAYS >= 1.00 6 2.4 3.6 1 GREATEST 24 HR. TOTAL 1.77 07/08 TO 07/09 SNOWFALL (INCHES) TOTALS 0.0 0.0 SINCE 7/1 0.0 0.0 DAYS >= TRACE 0 0 DAYS >= 1.0 0 0 GREATEST SNOW DEPTH 0 0 DEGREE DAYS HEATING TOTAL 23 57 -34 30 SINCE 7/1 10 5 5 7 COOLING TOTAL 800 650 150 919 SINCE 1/1 862 689 173 983 ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.9 HIGHEST WIND SPEED/DIRECTION 31/330 DATE 07/20 HIGHEST GUST SPEED/DIRECTION 45/320 DATE 07/20 SKY COVER AVERAGE SKY COVER 0.68 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 14 HEAVY RAIN 15 RAIN 22 LIGHT RAIN 51 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 FOG 42 FOG W/VIS <= 1/4 MILE 5 HAZE 20 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && AFTER A COLD AND WET MEMORIAL DAY WEEKEND, A WARMING TREND BEGAN TO START THE SUMMER. ONLY A WEEK INTO JUNE AND THE FIRST HEAT WAVE OF SUMMER WAS HERE. THE TEMPERATURE TOPPED 90 DEGREES FOR 5 STRAIGHT DAYS, PEAKING AT 95 ON JUNE 7 AND 8. ALTHOUGH A FEW COLD FRONTS BROUGHT SOME RELIEF FROM THE HEAT, THE WARM AND HUMID AIR KEPT RETURNING. ANOTHER HEAT WAVE CAME AT THE END OF JUNE WITH 4 MORE 90 DEGREE DAYS, PEAKING AT 98 ON JUNE 29. JUST AS THE SUMMER`S NEXT HOLIDAY WEEKEND ARRIVED, THE WEATHER TURNED COOL AND RAINY AGAIN. MORE THAN 3 INCHES OF RAIN FELL OVER THE INDEPENDENCE DAY WEEKEND WITH THE TEMPERATURE MOSTLY IN THE 50S AND 60S. AFTER A BRIEF WARM UP, THE REMNANTS OF TROPICAL STORM ELSA MOVED THROUGH, DROPPING MORE THAN 2 INCHES OF RAIN ON JULY 8 AND 9. A SERIES OF COLD FRONTS BROUGHT COOL CANADIAN AIR MASSES INTO THE REGION FOR MOST OF JULY. FREQUENT ROUNDS OF SHOWERS AND THUNDERSTORMS ACCOMPANIED THE FRONTAL PASSAGES AS WELL, LEADING TO THE WETTEST JULY ON RECORD. THIS ALL BEGAN TO CHANGE AGAIN IN AUGUST AS THE JET STREAM SHIFTED NORTHWARD ALLOWING THE HEAT AND HUMIDITY TO RETURN. THE FIRST HEAT WAVE CAME IN THE SECOND WEEK OF AUGUST WITH 4 DAYS ABOVE 90 DEGREES. A PAIR OF REMNANT TROPICAL SYSTEMS BROUGHT RAIN IN MID AUGUST. THE FIRST WAS THE REMNANTS OF TROPICAL STORM FRED, AND IT BROUGHT MORE THAN AN INCH OF RAIN ON AUGUST 19. A FEW DAYS LATER, TROPICAL STORM HENRI MADE LANDFALL IN SOUTHERN NEW ENGLAND ON AUGUST 22. THIS SYSTEM BROUGHT ON AND OFF RAIN FOR 3 DAYS. ONCE IT PASSED, THE HEAT RETURNED ONE MORE TIME WITH ANOTHER 4 STRAIGHT DAYS ABOVE 90 DEGREES, PEAKING AT 96 DEGREES ON AUGUST 26. THE AVERAGE TEMPERATURE WAS 73.2 DEGREES WHICH WAS 1.8 DEGREES ABOVE NORMAL. THE WARMEST SUMMER WAS LAST YEAR WHEN THE AVERAGE TEMPERATURE WAS 74.4 DEGREES IN 2020. THE COOLEST WAS 64.9 DEGREES IN 1946. A TOTAL OF 15.12 INCHES OF PRECIPITATION FELL WHICH WAS 4.43 INCHES ABOVE NORMAL. THE HEAVIEST RAIN FELL ON JULY 8 AND 9 WHEN 2.15 INCHES WAS MEASURED. THE WETTEST SUMMER WAS IN 1938 WHEN 20.32 INCHES FELL. THE DRIEST WAS IN 2016 WITH ONLY 5.21 INCHES. HISTORICAL RECORDS AT MANCHESTER BEGAN IN 1885, BUT WITHIN THIS RECORD THERE REMAIN NUMEROUS YEARS OF UNAVAILABLE DATA. DUE TO THIS, HISTORICAL RECORDS SHOULD BE CONSIDERED INCOMPLETE AS SOME SIGNIFICANT EXTREMES MAY BE MISSING FROM THE DATA. MORE CONSISTENT MODERN RECORDS BEGAN IN 1998 AND CONTINUE TO THE PRESENT. $$ KIMBLE