Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
000 CXUS51 KGYX 060444 CLSMHT PWMCLSMHT 000 TTAA00 GYX 041415 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 1015 AM EDT SUN SEP 04 2022 ................................... ...THE MANCHESTER CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2022 TO 8/31/2022... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1885 TO 2022 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) HIGHEST 99 08/04 97 2 98 06/29 08/08 LOWEST 48 06/20 44 4 44 06/10 AVG. MAXIMUM 84.9 81.7 3.2 82.5 AVG. MINIMUM 62.9 61.1 1.8 63.8 MEAN 73.9 71.4 2.5 73.2 DAYS MAX >= 90 28 13.8 14.2 22 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 6.39 10.69 -4.30 15.12 DAILY AVG. 0.07 0.12 -0.05 0.16 DAYS >= .01 29 34.2 -5.2 41 DAYS >= .10 17 20.8 -3.8 30 DAYS >= .50 3 7.0 -4.0 8 DAYS >= 1.00 1 2.4 -1.4 6 GREATEST 24 HR. TOTAL 1.06 06/09 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 27 57 -30 23 SINCE 7/1 0 5 -5 10 COOLING TOTAL 874 650 224 800 SINCE 1/1 950 689 261 862 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.1 HIGHEST WIND SPEED/DIRECTION 37/220 DATE 07/24 HIGHEST GUST SPEED/DIRECTION 52/220 DATE 07/24 SKY COVER AVERAGE SKY COVER 0.58 AVERAGE RH (PERCENT) 61 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 9 HEAVY RAIN 10 RAIN 16 LIGHT RAIN 30 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 FOG 26 FOG W/VIS <= 1/4 MILE 2 HAZE 18 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THE SUMMER SEASON STARTED OFF COOL AND DAMP IN THE MANCHESTER AREA AS AN UPPER LOW REMAINED NEARLY STATIONARY OVER THE CANADIAN MARITIMES THROUGH THE FIRST SEVERAL DAYS OF JUNE. ONCE THIS UPPER LOW LOOSENED ITS GRIP ON THE REGION, TEMPERATURES REBOUNDED CLOSER TO NORMAL WHILE ADDITIONAL TROUGHS OF LOW PRESSURE CROSSED THE REGION BRINGING A SOAKING RAIN TO BEGIN THE SECOND WEEK OF JUNE. ANOTHER UPPER LOW ROLLED ACROSS SOUTHERN CANADA AND SETTLED OVER NEW ENGLAND AT THE END OF THE THIRD WEEK OF JUNE BRINGING SEVERAL DAYS OF BELOW NORMAL TEMPERATURES. DURING THIS PERIOD, THE UPPER LOW BROUGHT SUB-FREEZING TEMPERATURES AT THE HIGHEST PEAKS IN THE WHITE MOUNTAINS WITH MT WASHINGTON RECORDING 1.7 INCHES OF SNOW FROM THE 18TH INTO THE 19TH. TEMPERATURES THEN REBOUNDED CLOSER TO NORMAL DURING THE FINAL WEEK OF JUNE. THE PERSISTENT TROUGHING AND UPPER LOWS OVER THE NORTHEAST LED TO TEMPERATURES RUNNING CLOSE TO NORMAL FOR THE MONTH OF JUNE, BUT THIS WOULD CHANGE THROUGH THE END OF SUMMER. THE PERSISTENT TROUGHING OVER THE NORTHEAST US CONTINUED INTO JULY, ALTHOUGH THE CORE OF THE TROUGH SHIFTED FARTHER NORTH INTO EASTERN CANADA WITH THE TROUGH AXIS BECOMING ALIGNED ALONG A SIMILAR LONGITUDE TO MANCHESTER. THIS TROUGH POSITION ACTED TO SUPPRESS MOISTURE SOUTH OF NEW ENGLAND AND FAVORED HIGH PRESSURE SYSTEMS TO BUILD INTO NEW ENGLAND FROM THE NORTHWEST BRINGING DRY AND COOL CANADIAN AIRMASSES THROUGH THE MIDDLE OF JULY. DURING THE THIRD WEEK OF JULY THE TROUGH STARTED TO SHIFT TO THE WEST AND ALLOWED FOR WARMER AND MORE HUMID AIRMASSES TO ENTER THE REGION. FROM JULY 19TH TO THE 24TH MANCHESTER EXPERIENCED 6 STRAIGHT DAYS WITH HIGH TEMPERATURES AT OR ABOVE 90 DEGREES. THE HEAT AND HUMIDITY CONTINUED INTO AUGUST WITH THE HOTTEST STRETCH OF THE SUMMER OCCURRING FROM AUGUST 2ND TO THE 9TH WHEN THE HIGH TEMPERATURES CLIMBED TO AT LEAST 90 DEGREES WITH THE HOTTEST DAY REACHING 99 DEGREES ON AUGUST 4TH AND AGAIN ON THE 8TH. A SLOW MOVING COLD FRONT CROSSED THE AREA LATE AUGUST 9TH BRINGING RELIEF FROM THE HEAT WITH TEMPERATURES RUNNING BELOW NORMAL THROUGH THE MIDDLE OF AUGUST. THE SECOND HALF OF AUGUST FEATURED A BUILDING RIDGE IN THE WESTERN ATLANTIC THAT ALLOWED FOR THE HEAT AND HUMIDITY TO RETURN WITH TEMPERATURES RUNNING ABOVE NORMAL THROUGH THE END OF SUMMER. RAINFALL AVERAGED BELOW NORMAL DURING ALL OF THE SUMMER MONTHS WITH THE LAST MONTH THAT MANCHESTER RECEIVED ABOVE NORMAL RAINFALL OCCURRING BACK IN APRIL. THIS LED TO EXPANDING AND INTENSIFYING DROUGHT CONDITIONS ACROSS NEW ENGLAND DURING THE SUMMER WITH THE MANCHESTER AREA STILL EXPERIENCING SEVERE DROUGHT CONDITIONS TO CLOSE OUT THE SUMMER SEASON. THE AVERAGE TEMPERATURE FOR SUMMER WAS 73.9 DEGREES, WHICH WAS 2.5 DEGREES ABOVE NORMAL AND THE SECOND WARMEST SUMMER ON RECORD. THE WARMEST SUMMER WAS IN 2020 WHEN THE AVERAGE TEMPERATURE WAS 74.4 DEGREES. THE COOLEST WAS 64.9 DEGREES IN 1946. A TOTAL OF 6.39 INCHES OF PRECIPITATION FELL, WHICH WAS 4.30 INCHES BELOW NORMAL. THE DRIEST SUMMER WAS IN 2016 WHEN ONLY 5.21 INCHES OF PRECIPITATION FELL. THE WETTEST WAS 20.32 INCHES IN 1938. THE HEAVIEST PRECIPITATION FELL ON JUNE 9TH WHEN 1.06 INCHES WERE RECORDED. 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. $$ DS