October 2020 Climate Summary for Northern and Eastern Maine
...OCTOBER 2020 NORTHERN AND EASTERN MAINE MONTHLY CLIMATE
NARRATIVE...
OCTOBER 2020 FINISHED WITH NEAR NORMAL TEMPERATURES BUT WITH WELL
ABOVE AVERAGE RAINFALL FOR THE REGION AS A WHOLE.
THE FIRST TWO THIRDS OF THE MONTH HAD MORE ABOVE AVERAGE TEMPERATURE
DAYS THAN BELOW, BUT THE LAST THIRD OF THE MONTH FINISHED DECIDELY
BELOW AVERAGE. THE AFTERNOON OF THE 10TH WAS THE WARMEST, WITH MOST
OF THE AREA, EXCEPT THE SAINT JOHN VALLEY, REACHING INTO THE LOWER
70S. THE COLDEST MORNING WAS THE 31ST WHERE MOST LOCATIONS NORTH OF
THE IMMEDIATE COAST EXPERIENCED LOWS IN THE TEENS, WITH SINGLE DIGIT
ABOVE ZERO LOWS IN THE COLDEST NORTHERN VALLEYS.
THE BIGGEST STORY OF THE MONTH WAS TOTAL PRECIPITATION WHICH SHARPLY
REVERSED A PRIOR FIVE CONSECUTIVE MONTH BELOW AVERAGE TREND AND PUT
A SIGNIFICANT DENT IN THE REGIONAL DROUGHT THAT BEGAN EARLY LAST
SUMMER. RAINFALL TOTALS RANGED UPWARDS FROM 100 TO 130 PERCENT OF
AVERAGE OVER DOWNEAST AREAS TO 130 TO 160 PERCENT OVER CENTRAL AREAS
TO 160 TO 220 PERCENT OF AVERAGE ACROSS THE NORTH AND CENTRAL
HIGHLANDS. THE LARGEST TWO RAINFALL EVENTS FELL BACK TO BACK ON THE
13TH/14TH AND 16TH/17TH WITH MANY LOCATIONS ACROSS THE NORTH AND
CENTRAL MAINE HIGHLANDS RECEIVING UPWARDS TO 2 TO 3 INCHES IN EACH
EVENT. THE DROUGHT PATTERN ACTUALLY BEGAN BREAKING WITH SIGNIFICANT
RAINFALL ON THE 2ND, FOLLOWED BY ADDITIONAL EVENTS EVERY 2 TO 3 DAYS
OR SO. AT CARIBOU, THE TOTAL OF 7.21 INCHES FOR OCTOBER 2020 WAS
THIRD WETTEST OF RECORD, SIGNIFICANTLY BELOW THE WETTEST OCTOBER OF
8.73 INCHES SET IN 1990. THE 6.08 INCH TOTAL AT HOULTON WAS THEIR
9TH WETTEST AND THE 6.48 INCH TOTAL AT MILLINOCKET WAS THEIR 15TH
WETTEST OF RECORD.
TYPICAL OF MOST OCTOBERS, THE SEASONS FIRST SNOWFALL OF THE SEASON
OCCURRED LATE IN THE MONTH ON 26TH ACROSS THE NORTH WITH MOST
LOCATIONS RECEIVING BETWEEN 1 TO 3 INCHES, EXCEPT LOCALLY HEAVY 6 TO
10 INCHES OF SNOWFALL OVER THE HIGHLANDS OF NORTHERN SOMERSET COUNTY
NEAR THE QUEBEC BORDER. NOTEWORTHY WINDY DAYS WITH GUSTS IN THE 30S
AND 40S MPH OCCURRED ON THE 8TH-11TH AND AGAIN ON THE 17TH MOSTLY
ASSOCIATED WITH POST COLD FRONTAL NORTHWEST WINDS.
THE CLIMATE PREDICTION CENTER`S OUTLOOK FOR THE MONTH OF NOVEMBER IS
CALLING FOR INCREASED PROBABILITY OF ABOVE NORMAL TEMPERATURES AND
EQUAL CHANCES OF BELOW, NEAR NORMAL, OR ABOVE NORMAL PRECIPITATION.
AVERAGE TEMPERATURES RANGE FROM LOWS/HIGHS OF MID 20S/UPPER 30S FAR
NORTH TO AROUND 30/MID TO UPPER 40S ALONG THE DOWNEAST COAST.
AVERAGE PRECIPITATION RANGES FROM ABOUT 3.50 INCHES FAR NORTH TO
4.25 INCHES ALONG THE DOWNEAST COAST. AVERAGE SNOWFALL RANGES FROM
ABOUT 2 INCHES ALONG THE DOWNEAST COAST TO NEARLY 12 INCHES ACROSS
THE FAR NORTH.
$$
VJN
posted by Advackia at 1:29 PM
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