Wednesday, September 14, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
WEDNESDAY, SEPTEMBER 14, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0523E
SUNSET: 1756E
PARTLY CLOUDY WITH INCREASING VISIBILITY AND A COOL WESTERLY
BREEZE….
Today we received 0.27 inches since 7 A.M. yesterday. Skies started
off clear, as visibility was limited to 40 miles. The visibility
increased to a maximum of 75 miles by the 1 P.M. observation.
Cloud cover increased following noontime, with cumulus clouds
popping up and covering around half the sky.
The wind is cool and westerly, with an average speed of 10 mph
and frequent gusts above 20 mph. The highest gust so far is
28 mph later on this morning.
The high so far today is 75F, which is a degree above the
normal maximum of 74F. The low since midnight is 56F, which is
the same as the normal minimum.
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Today’s Observations:
7 A.M.
Weather: Clear, few thin cirrus
Temperature: 60F; Dew Point: 55F; Relative Humidity: 83%
Wind: W @ 11G17 kts
Sea-level pressure: 1000.0 mb; 29.83 in. Hg: rising unsteadily
Visibility: 40 miles
6-hr Max temp: 64F
6-hr Min temp: 56F
24-hr Precip: 0.27 ins.
BHO SA 1155 CLR 40 100/60/55/2711G17/983/ FEW THN CI ALQDS/
8/001 52017 70027 10064 20056
10 A.M.
Weather: Clear, few thin cirrus
Temperature: 69F; Dew Point: 57F; Relative Humidity: 65%
Wind: WNW @ 10G23 kts
Sea-level pressure: 1010.8 mb; 29.85 in Hg: rising, then more
slowly
Visibility: 60 miles, fog
3-hr Precip: 0.00 ins.
BHO SA 1455 CLR 60 108/69/57/3010G23/985/ FEW THN CI ALQDS/
8/001 51008
1 P.M.
Weather: Scattered cumulus, broken cirrus
Temperature: 74F, Dew point: 60F; Relative Humidity: 61%
Wind: WNW @ 11G21 kts
Sea-level pressure: 1011.1 mb; 29.86 in Hg: falling then rising
Visibility: 75 miles
6-hr Max temp: 75F
6-hr Min temp: 60F
6-hr Precip: 0.00 ins.
BHO SA 1755 40 SCT 250 BKN 75 111/74/60/3011G21/986/ 8/202
50003 10075 20060
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SUMMARY FOR TUESDAY, SEPTEMBER 13, 2022
TEMPERATURE (DEGREES F)
MAX…….74 NORMAL…..74
MIN…….66 NORMAL…..57
MEAN……70 NORMAL…..65
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……….+5
TOTAL DEPARTURE FOR THE MONTH………………….+6 [+0.3 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY…………….0 DEPARTURE……..-2
TOTAL HEATING UNITS FOR THE MONTH…………….7 DEPARTURE…….-13
TOTAL HEATING UNITS FOR THE SEASON……………7 DEPARTURE…….-31
TOTAL HEATING UNITS LAST SEASON TO DATE………38 DEPARTURE…….-31
COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….5 DEPARTURE……..+2
TOTAL COOLING UNITS FOR THE MONTH……………42 DEPARTURE……..-6
TOTAL COOLING UNITS FOR THE SEASON………….878 DEPARTURE……+234
TOTAL COOLING UNITS LAST SEASON TO DATE……..682 DEPARTURE……+196
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….22 W @ 9:17 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..23 @ 9:17 P.M.
DAVIS #2 ………………26 S @ 6:47 P.M.
RMY #2 (Instantaneous)…..22 W @ 9:17 P.M.
ASOS………..OUT OF SERVICE D/T RENOVATIONS
VECTOR #1……OUT OF SERVICE D/T RENOVATIONS
DAVIS #1…….OUT OF SERVICE D/T RENOVATIONS
RMY #1………OUT OF SERVICE D/T RENOVATIONS
MERLIN………OUT OF SERVICE D/T RENOVATIONS
FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………15 S @ 7:05 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..17 @ 6:48 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………18 S @ 6:56 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..17 S @ 6:48 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……..OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE….OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE RMY #1 AVERAGE……OUT OF SERVICE D/T RENOVATIONS
AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……..7.0 S [168 total miles]
VECTOR #2………………7.6
DAVIS #2……………….7.3 S
RMY #2…………………7.8 S
RMY #1……….OUT OF SERVICE D/T RENOVATIONS
ASOS…………OUT OF SERVICE D/T RENOVATIONS
VECTOR #1…….OUT OF SERVICE D/T RENOVATIONS
DAVIS #1……..OUT OF SERVICE D/T RENOVATIONS
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.26 DEPARTURE…..+0.14
TOTAL PRECIPITATION FOR THE MONTH…………..2.79 DEPARTURE…..+1.22
TOTAL PRECIPITATION FOR THE YEAR…………..26.37 DEPARTURE…..-9.81
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PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/PEAK GUST/AERO/RMY GUST
AERO: Aerovane wind recording system gust
RMY: R.M. Young wind gust recording system
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M: Missing data
9/1 78/59/69/0/0.00/757/96 36 WNW AERO N/A RMY 37
9/2 73/53/63/-6/0.00/762/97 19 N AERO N/A RMY 19
9/3 80/59/70/+2/0.00/673/86 23 S AERO N/A RMY 24
9/4 86/61/74/+6/0.00/554/71 20 SSW AERO N/A RMY 20
9/5 75/60/68/0/0.83/000/00 20 E AERO N/A RMY 19
9/6 63/60/62/-6/1.57/000/00 27 NE AERO N/A RMY 26
9/7 70/57/64/-3/T/309/40 22 NE AERO N/A RMY 21
9/8 71/56/64/-3/0.01/684/89 20 ENE AERO N/A RMY 20
9/9 77/55/66/-1/0.00/513/67 19 WNW AERO N/A RMY 19
9/10 85/61/73/+7/0.00/657/86 22 NW AERO N/A RMY 21
9/11 76/62/69/+3/0.06/015/02 22 WSW AERO N/A RMY 23
9/12 74/62/68/+2/0.04/121/16 14 WSW AERO N/A RMY 15
9/13 74/66/70/+5/…./…/.. 22 W AERO N/A RMY 22
9/14 The low since midnight is 56F, the daily normal low is 56F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR SEPTEMBER 14
HIGH 90F IN 1931
LOW 34F IN 1911
PRECIP 2.90 INCHES IN 1944 (Great Atlantic Hurricane in 1944)
PEAK GUST 96e MPH E IN 1944 (Great Atlantic Hurricane in 1944)
RECORDS FOR SEPTEMBER 15
HIGH 89F IN 1931
LOW 35F IN 1913
PRECIP 3.93 INCHES IN 1904 (Extra-tropical storm making landfall in New England on 9/15/1904 passing east of BHO and bringing a storm total of 4.11 inches 9/14-15/1904)
PEAK GUST 65e MPH NW IN 1944 (In the wake of Great Atlantic Hurricane)
TODAY’S REPORT PREPARED BY: Benjamin Turner
