Saturday, October 8, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, OCTOBER 8, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0549E
SUNSET: 1714E
EARLY MORNING RAIN GIVES WAY TO SUNSHINE; MUCH COOLER TODAY….
A band of light rain moved across the area early this morning
leaving 0.02″ in the rain gauge. Clearing occurred quickly this
morning leaving us with a splendid day with plenty of sunshine
and cooler temperatures. Readings this afternoon have only
reached the upper 50s (compared to upper 70s yesterday).
The dew point has dropped into the mid/upper 30s, adding a
slight chill to the air when the wind blows.
Speaking of wind, it’s generally been on the light side today
with an average speed for the day so far around 10mph.
Visibility has been excellent all day holding around 80 miles!
The high so far today is 58F, which is 6 degrees below the
normal maximum of 64. The low since midnight is 44F, which is
3 degrees below the normal minimum of 47F.
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Today’s Observations:
7 A.M.
Weather: Scattered stratocumulus, broken altocumulus castellanus,
virga NE-SE-SSW
Temperature: 45F; Dew Point: 43F; Relative Humidity: 93%
Wind: NW @ 8 kts
Sea-level pressure: 1018.6 mb; 30.08 in. Hg: rising, then more slowly
Visibility: 80 miles
6-hr Max temp: 50F
6-hr Min temp: 44F
24-hr Precip: 0.02 inches
BHO SA 1155 30 SCT 100 BKN 80 186/45/43/3208/008/ VIRGA NE-SE-SSW/
8/580 51020 6002/ 70002 10050 20044
10 A.M.
Weather: Clear, few stratocumlus all quadrants, few altocumulus
distant NE-SE
Temperature: 52F; Dew Point: 37F; Relative Humidity: 55%
Wind: NW @ 8 kts
Sea-level pressure: 1019.3 mb; 30.10 in Hg: rising, then steady
Visibility: 80 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 CLR 80 193/52/37/3208/010/ FEW SC ALQDS FEW AC DSNT
NE-SE/ 8/570 51007
1 P.M.
Weather: Clear, few small cumulus all quadrants
Temperature: 58F, Dew point: 37F; Relative Humidity: 45%
Wind: WNW @ 7 kts
Sea-level pressure: 1017.7 mb; 30.05 in Hg: falling, then more rapidly
Visibility: 80 miles
6-hr Max temp: 58F
6-hr Min temp: 45F
6-hr Precip: 0.00 ins.
BHO SA 1755 CLR 80 177/58/37/3007/005/ FEW SML CU ALQDS/ 8/100
58016 10058 20045
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SUMMARY FOR FRIDAY, OCTOBER 7, 2022
TEMPERATURE (DEGREES F)
MAX…….77 NORMAL…..64
MIN…….52 NORMAL…..47
MEAN……65 NORMAL…..56
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……….+9
TOTAL DEPARTURE FOR THE MONTH………………….-8 [-1.3 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY…………….0 DEPARTURE…….-10
TOTAL HEATING UNITS FOR THE MONTH……………64 DEPARTURE……..+4
TOTAL HEATING UNITS FOR THE SEASON………….163 DEPARTURE…….-14
TOTAL HEATING UNITS LAST SEASON TO DATE……..122 DEPARTURE…….+41
COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….0 DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH…………….0 DEPARTURE……..-4
TOTAL COOLING UNITS FOR THE SEASON………….884 DEPARTURE……+210
TOTAL COOLING UNITS LAST SEASON TO DATE……..714 DEPARTURE……+170
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….31 NW @ 10:12 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..33 @ 10:12 P.M.
DAVIS #2 ………………30 NW @ 10:12 P.M.
RMY #2 (Instantaneous)…..31 NW @ 10:12 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………………23 NW @ 11:05 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..22 @ 11:15 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………21 NW @ 11:15 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..21 NW @ 11:15 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…….10.5 SW [251 total miles]
VECTOR #2……………..11.3
DAVIS #2………………11.2 W
RMY #2………………..11.2 WSW
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……..0.02 DEPARTURE…..-0.15
TOTAL PRECIPITATION FOR THE MONTH…………..1.80 DEPARTURE…..+0.64
TOTAL PRECIPITATION FOR THE YEAR…………..29.79 DEPARTURE….-10.04
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PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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
10/1 56/48/52/-6/0.02/000/00 26 NE AERO N/A RMY 27
10/2 55/48/52/-6/0.00/077/11 53 ENE AERO N/A RMY 55
10/3 54/48/51/-6/0.00/014/02 41 ENE AERO N/A RMY 41
10/4 56/49/53/-4/0.62/000/00 39 ENE AERO N/A RMY 38
10/5 56/52/54/-3/1.09/000/00 32 NNE AERO N/A RMY 32
10/6 72/56/64/+8/0.05/…/.. 23 N AERO N/A RMY 23
10/7 77/52/65/+9/0.00/…/.. 31 NW AERO N/A RMY 31
10/8 The low since midnight is 44F, the daily normal low is 47F
DAILY RECORDS
10/02/2022: NEW PEAK WIND GUST RECORD OF 53 MPH ENE,
PREVIOUS RECORD WAS 52e MPH S IN 1952 AND
52 MPH NNW IN 1984.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR OCTOBER 8
HIGH 81F IN 1916,1990
LOW 28F IN 1919
PRECIP 2.22 INCHES IN 1891
SNOWFALL TRACE IN 1988, 2001 (EARLIEST DATE)
PEAK GUST 60 MPH NE IN 1996
RECORDS FOR OCTOBER 9
HIGH 82F IN 2011
LOW 29F IN 1907,1937
PRECIP 2.54 INCHES IN 1976
SNOWFALL TRACE IN 1988, 2001
PEAK GUST 81e MPH S IN 1976 (RECORD FOR MONTH)
TODAY’S REPORT PREPARED BY: Matt Douglas
