May 2021 Climate Summary for Northern and Eastern Maine

...MAY 2021 CLIMATE NARRATIVE FOR NORTHERN AND EASTERN MAINE...

MAY 2021 FINISHED WITH NEAR NORMAL TEMPERATURES AND BELOW TO NEAR

NORMAL RAINFALL.

THE MONTH BEGAN COOL THROUGH THE FIRST COUPLE OF WEEKS THEN

TRANSITIONED TO ABOVE NORMAL TEMPERATURES MID TO LATE MONTH WITH

THE LAST 5 DAYS FINISHING ON THE DECIDELY COOL SIDE. THE WARMEST

DAYS WERE EXPERIENCED FROM THE 20TH THOUGH 22ND AND THE 26TH WITH

MOST LOW TERRAIN LOCATIONS INLAND FROM THE IMMEDIATE COAST

EXPERIENCING 80+ DEGREE HIGH TEMPS AND EVEN A FEW LOCATIONS

ACROSS CENTRAL AREAS IN THE LOWER 90S ON THE 26TH. SUB-FREEZING

MORNINGS OCCURRED INTERMITTENTLY DURING THE FIRST TWO WEEKS AND

AGAIN NOTABLY AT THE END OF THE MONTH WHEN SEVERAL GROWING SEASON

FROST/FREEZE HEADLINES WERE ISSUED TO PROTECT NEWLY PLANTED

OUTDOOR GARDENS.

RAINFALL VARIED SIGNIFICANTLY FROM AS LOW AS 60 PERCENT OF AVERAGE

OVER DOWNEAST AND LOWER PENOBSCOT VALLEY LOCATIONS UPWARDS TO 110

PERCENT OF AVERAGE ACROSS THE NORTH AND ALONG THE NEW BRUNSWICK

BORDER AS FAR SOUTH AS DANFORTH. AT BANGOR, THE MONTHLY TOTAL OF

1.82 INCHES WAS TIED AS 13TH LOWEST WITH 1993. SIGNIFICANT

RAINFALL EVENTS OCCURRED ACROSS AT LEAST PORTIONS OF THE REGION

ON THE 5TH-6TH, 11TH-12TH, 22ND-23RD, THE 30-31ST WITH THE LAST

EVENT BEING THE HEAVIEST AND MOST WIDESPREAD EVENT WITH UPWARDS

OF ONE INCH OR SLIGHTLY GREATER RAINFALL. THE ONLY SNOW OF NOTE

AT ANY OF THE CLIMATE SITES FELL AT FRENCHVILLE, CARIBOU, AND

HOULTON ON THE 5TH WHEN RAIN ENDED AS WET SNOW OR A MIX OF WET

SNOW AND RAIN WITH NO ACCUMULATION.

THE OUTLOOK FOR THE MONTH OF JUNE FROM THE CLIMATE PREDICTION

CENTER IS CALLING FOR GREATER PROBABILITIES OF ABOVE AVERAGE

TEMPERATURES AND EQUAL PROBABILITIES OF BELOW AVERAGE, NEAR

AVERAGE, OR ABOVE AVERAGE RAINFALL FOR OUR REGION. AVERAGE

TEMPERATURES FOR JUNE RANGE FROM LOWS OF AROUND 50 AND HIGHS OF

LOWER 70S ACROSS THE NORTH TO LOWS OF LOWER 50S AND HIGHS OF MID

70S FOR CENTRAL AND INTERIOR DOWNEAST AREAS. AVERAGE RAINFALL FOR

THE REGION AS A WHOLE IS AROUND 3.50 INCHES.

$$

VJN