Thursday, December 8, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
THURSDAY, DECEMBER 8, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0701E
SUNSET: 1611E
COOLER TODAY WITH A BRISK NORTHWESTERLY BREEZE….
Today we measured another 0.42 inches, bringing
the rain event total to 0.94 inches. Skies are partly
cloudy with conditions drying out a bit since this
morning. The dew point went from the 40’s this
morning to freezing around 1 P.M. Visibility started
off limited this morning due to fog, but did reach
75 miles by noontime.
The wind has been on the breezy side out of the north-
westerly direction. The average speed so far for
today is around 27 mph.
While rainfall is back up to normal for the month, we
are still missing almost 11.5 inches on the year.
The high so far today is 50F, which is 8 degrees above
the normal maximum of 42F. The low since midnight is 44F,
which is 17 degrees above the normal low of 27F.
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Today’s Observations:
7 A.M.
Weather: Clear, few stratocumulus S-W-NW
Temperature: 44F; Dew Point: 41F; Relative Humidity: 90%
Wind: NNW @ 9G16 kts
Sea-level pressure: 1019.7 mb; 30.11 in. Hg: rising unsteadily
Visibility: 20 miles, thin fog
6-hr Max temp: 52F
6-hr Min temp: 44F
24-hr Precip: 0.42 ins.
24-hr Snowfall: 0.0 ins.
BHO SA 1155 CLR 20 197/44/41/3409G16/011/ FEW SC S-W-NW THN F ALQDS/
8/500 52014 70042 10052 20044
10 A.M.
Weather: Scattered stratocumulus and cirrostratus
Temperature: 47F; Dew Point: 38F; Relative Humidity: 71%
Wind: NW @ 14G24 kts
Sea-level pressure: 1020.8 mb; 30.14 in. Hg: rising, then more
slowly
Visibility: 60 miles
3-hr Precip: 0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 60 SCT 250 SCT 60 208/47/38/3114G24/014/ 8/505 51011
1 P.M.
Weather: Scattered cirrus, few stratocumulus
Temperature: 49F, Dew point: 33F; Relative Humidity: 54%
Wind: NNW @ 14G22 kts
Sea-level pressure: 1019.0 mb; 30.08 in Hg: falling, then more rapidly
Visibility: 75 miles
6-hr Max temp: 50F
6-hr Min temp: 44F
6-hr Precip: 0.00 ins.
6-hr Snowfall: 0.0 ins.
BHO SA 1755 250 SCT 75 190/49/33/3314G22/008/ FEW SC ALQDS/ 8/502
58018 10050 20044
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SUMMARY FOR WEDNESDAY, DECEMBER 7, 2022
TEMPERATURE (DEGREES F)
MAX…….56 NORMAL…..43
MIN…….46 NORMAL…..27
MEAN……51 NORMAL…..35
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……..+16
TOTAL DEPARTURE FOR THE MONTH………………..+38 [+5.2 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY……………14 DEPARTURE…….-16
TOTAL HEATING UNITS FOR THE MONTH…………..165 DEPARTURE…….-39
TOTAL HEATING UNITS FOR THE SEASON…………1134 DEPARTURE……-273
TOTAL HEATING UNITS LAST SEASON TO DATE…….1189 DEPARTURE…….-55
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….39 SSE @ 6:46 A.M.
VECTOR #2 (Instantaneous)..41 @ 6:46 A.M.
DAVIS #2 ………………42 S @ 11:32 A.M.
RMY #2 (Instantaneous)…..39 SSE @ 6:46 A.M.
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………………27 SSE @ 6:46 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..27 @ 6:48 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………27 S @ 11:19 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..28 SSE @ 6:47 A.M.
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…….17.2 S [413 total miles]
VECTOR #2……………..17.3
DAVIS #2………………17.3 S
RMY #2………………..17.5 S
RMY #1……….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……..0.42 DEPARTURE…..+0.24
TOTAL PRECIPITATION FOR THE MONTH…………..1.25 DEPARTURE……0.00
TOTAL PRECIPITATION FOR THE YEAR…………..38.32 DEPARTURE….-11.40
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.3
TOTAL SNOWFALL FOR THE MONTH………………..0.0 DEPARTURE……-1.8
TOTAL SNOWFALL FOR THE SEASON (2022-2023)…..TRACE DEPARTURE……-4.3
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PRELIMINARY CLIMATE SUMMARY FOR DECEMBER CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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
12/1 40/30/35/-2/0.00/0.0/520/93 54 NW AERO N/A RMY 60
12/2 44/27/36/-1/0.00/0.0/535/96 24 SSW AERO N/A RMY 25
12/3 57/36/47/+11/0.31/0.0/000/00 54 SSW AERO N/A RMY 57
12/4 41/30/36/0/0.00/0.0/355/64 39 WNW AERO N/A RMY 41
12/5 48/29/39/+3/0.00/0.0/454/82 32 SSW AERO N/A RMY 32
12/6 54/38/46/+11/0.09/0.0/000/00 30 SSE AERO N/A RMY 31
12/7 56/46/51/+16/…./0.0/…/.. 39 SSE AERO N/A RMY 39
12/8 The low since midnight is 44F, the daily normal low is 27F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR DECEMBER 8
HIGH 62 IN 1966
LOW -4 IN 1906
PRECIP 1.54 INS. IN 1969
SNOWFALL 2.5 INS. IN 2001
PEAK GUST 78e W IN 1979
RECORDS FOR DECEMBER 9
HIGH 68 IN 1966
LOW -14 IN 1902
PRECIP 3.23 INS. IN 2014
SNOWFALL 10.8 INS. IN 2005
PEAK GUST 66 SE IN 1973
TODAY’S REPORT PREPARED BY: Benjamin Turner
