Saturday, October 1, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, OCTOBER 1, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0541E
SUNSET: 1726E
OVERCAST WITH LIGHT RAIN ATOP GREAT BLUE HILL….
Today consisted of very light rain with an easterly breeze
around 5 mph. Conditions were overcast with a thick layer
of nimbostratus clouds.
Visibility was limited at around 40 miles for most of the day.
It feels chilly today with the breeze off the ocean, we have
definitely seen better weather this week!
The rainfall total for last month is 4.41 inches, 0.35 inches
above normal. The area is still in a severe drought with
a yearly deficit of 10.68 inches.
The high so far today is 55F, which is 12 degrees below the
normal maximum of 67F. The low since midnight is 48F, which is
2 degrees below the normal minimum of 50F.
————————————————————–
PRELIMINARY STATS FOR SEPTEMBER 2022
TEMPERATURE, Deg. F
Avg. Max. 71.8 [-0.9]
Avg. Min. 54.4 [-1.2]
Mean 63.1 [-1.1]
24-hour corrected mean: 62.5
Max. for month: 86F on the 4th
Min. for month: 42F on the 24th
HEATING DEGREE DAYS
Total heating units: 99 [-1]
Total for the season: 99 [-19]
Total for last season: 74
COOLING DEGREE DAYS
Total cooling units: 48 [-26]
Total for the season: 884 [+215]
Total for last season: 714
PRECIPITATION, Inches
Total: 4.41 [-0.35]
Greatest in 24 hrs: 1.72 inches on the 5th-6th
WIND, mph
Avg. uncorrected wind speed: 9.6 mph
Avg. corrected wind speed: 10.3 mph
Prevailing wind direction: W [10%]
Peak gust and direction: 48 NW on the 23rd
SUNSHINE:
Campbell-Stokes card minutes: N/A
Astronomical total minutes: N/A
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Today’s Observations:
7 A.M.
Weather: Scattered cumulus fractus, Overcast altocumulus/altostratus
Temperature: 50F; Dew Point: 44F; Relative Humidity: 85%
Wind: NE @ 7 kts
Sea-level pressure: 1021.8 mb; 30.17 in. Hg: rising
unsteadily
Visibility: 50 miles
6-hr Max temp: 50F
6-hr Min temp: 48F
24-hr Precip: 0.00 inches
BHO SA 1155 40 SCT 100 OVC 50 218/50/44/0507/017/ 8/77/
52003 10050 20048
10 A.M.
Weather: Very light rain, overcast nimbostratus
Temperature: 51F; Dew Point: 48F; Relative Humidity: 85%
Wind: NE @ 7 kts
Sea-level pressure: 1021.3 mb; 30.16 in Hg: rising then falling
Visibility: 40 miles
3-hr Precip: 0.01 ins.
BHO SA 1455 100 OVC 40 213/51/48/0707/016/ PCPN VRY LGT/
8/07/ 58005 6001/
1 P.M.
Weather: Overcast altocumulus
Temperature: 55F, Dew point: 50F; Relative Humidity: 83%
Wind: ENE @ 9G16 kts
Sea-level pressure: 1020.5 mb; 30.14 in Hg: falling, then
more slowly
Visibility: 40 miles
6-hr Max temp: 55F
6-hr Min temp: 49F
6-hr Precip: 0.02 ins.
BHO SA 1755 100 OVC 40 205/55/50/0709G16/014/ 8/07/ 56018 6002/
10055 20049
————————————————————–
SUMMARY FOR FRIDAY, SEPTEMBER 30, 2022
TEMPERATURE (DEGREES F)
MAX…….60 NORMAL…..67
MIN…….44 NORMAL…..50
MEAN……52 NORMAL…..59
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……….-7
TOTAL DEPARTURE FOR THE MONTH…………………-27 [-1.1 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY……………13 DEPARTURE……..+6
TOTAL HEATING UNITS FOR THE MONTH……………99 DEPARTURE……..-1
TOTAL HEATING UNITS FOR THE SEASON…………..99 DEPARTURE…….-19
TOTAL HEATING UNITS LAST SEASON TO DATE………74 DEPARTURE…….+25
COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….0 DEPARTURE……..-1
TOTAL COOLING UNITS FOR THE MONTH……………48 DEPARTURE…….-18
TOTAL COOLING UNITS FOR THE SEASON………….884 DEPARTURE……+214
TOTAL COOLING UNITS LAST SEASON TO DATE……..714 DEPARTURE……+170
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….17 ENE @ 10:47 A.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..18 @ 10:47 A.M.
DAVIS #2 ………………17 NE @ 6:03 A.M.
RMY #2 (Instantaneous)…..18 NNE @ 6:03 A.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………………14 NNE @ 7:07 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..15 @ 6:03 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………15 N @ 6:49 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..15 NNW @ 6:03 A.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……..7.6 NNE [182 total miles]
VECTOR #2………………8.7
DAVIS #2……………….8.4 ENE
RMY #2…………………8.6 ENE
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……..0.00 DEPARTURE…..-0.15
TOTAL PRECIPITATION FOR THE MONTH…………..4.41 DEPARTURE…..+0.35
TOTAL PRECIPITATION FOR THE YEAR…………..27.99 DEPARTURE….-10.68
————————————————————–
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/+5/0.28/015/02 22 W AERO N/A RMY 22
9/14 78/56/67/+2/0.00/663/88 29 WNW AERO N/A RMY 29
9/15 70/52/61/-4/0.00/713/95 33 NW AERO N/A RMY 33
9/16 70/47/59/-5/0.00/568/76 24 NNW AERO N/A RMY 24
9/17 70/47/59/-5/0.00/684/92 24 SSW AERO N/A RMY 24
9/18 81/57/69/+6/0.04/542/73 28 WSW AERO N/A RMY 29
9/19 66/56/61/-2/0.22/000/00 22 SW AERO N/A RMY 22 TSTM
9/20 63/56/60/-3/0.05/000/00 19 NW AERO N/A RMY 19
9/21 68/54/61/-1/0.03/190/26 27 SSW AERO N/A RMY 28
9/22 68/50/59/-3/1.07/000/00 36 NW AERO N/A RMY 37 TSTM
9/23 59/45/52/-10/0.00/705/97 48 NNW AERO N/A RMY 48
9/24 68/42/55/-6/0.00/681/94 37 NW AERO N/A RMY 39
9/25 69/50/60/-1/0.01/144/20 28 S AERO N/A RMY 28
9/26 73/56/65/+5/0.20/531/74 35 SSW AERO N/A RMY 37
9/27 73/53/63/+3/…./…/.. 33 SW AERO N/A RMY 33
9/28 70/50/60/+1/0.00/…/.. 22 W AERO N/A RMY 23
9/29 65/47/56/-3/0.00/…/.. 23 NNW AERO N/A RMY 22
9/30 60/44/52/-7/0.00/…/.. 17 ENE AERO N/A RMY 18
10/01 The low since midnight is 48F, the daily normal low is 50F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR OCTOBER 1
HIGH 85F IN 1927
LOW 30F IN 1992
PRECIP 1.63 INCHES IN 2014
PEAK GUST 68e MPH SSE IN 1977
RECORDS FOR OCTOBER 2
HIGH 85F IN 1968
LOW 29F IN 1899
PRECIP 1.75 INCHES IN 1984
PEAK GUST 52e MPH S IN 1952, 52 NNW IN 1984
TODAY’S REPORT PREPARED BY: Benjamin Turner
