Saturday, October 15, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, OCTOBER 15, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0557E
SUNSET: 1702E
STILL MILD, YET DRIER THAN YESTERDAY ATOP GREAT BLUE HILL….
Today featured a great visibility of 80 miles, dropping to
65 miles at the 1 P.M. observation. Wind has been a non-factor
today, which is quite the contrast from the days prior. It is
light and variable, yet cool as dew points drop into the low
40’s.
The sky was clear for the most part, save some mid and upper-
level clouds.
The high so far today is 68F, which is 7 degrees above
the normal maximum of 61F. The low since midnight is 47F,
3 degrees above the normal low of 44F.
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Today’s Observations:
7 A.M.
Weather: Few stratocumulus NE-E-S, few thin cirrus
Temperature: 49F; Dew Point: 46F; Relative Humidity: 90%
Wind: NW @ 7 kts
Sea-level pressure: 1017.2 mb; 30.04 in. Hg: rising, then
more slowly
Visibility: 80 miles
6-hr Max temp: 52F
6-hr Min temp: 47F
24-hr Precip: 0.66 inches
BHO SA 1155 CLR 80 172/49/46/3207/004/ FEW SC NE-E-S FEW THN
CI ALQDS/ 8/701 51016 70066 10052 20047
10 A.M.
Weather: Few altocumulus NE-E-S, few thin cirrus
Temperature: 60F; Dew Point: 47F; Relative Humidity: 61%
Wind: WNW @ 2 kts, light and variable
Sea-level pressure: 1010.1 mb; 29.83 in Hg: rising unsteadily
Visibility: 80 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 CLR 80 175/60/47/3002/005/ FEW AC NE-E-S FEW THN
CI ALQDS WND L/V/ 8/071 52003
1 P.M.
Weather: Few altocumulus NE-E-S, few thin cirrus
Temperature: 68F, Dew point: 44F; Relative Humidity: 42%
Wind: W @ 5 kts, wind light
Sea-level pressure: 1015.8 mb; 30.00 in Hg: falling, then
more rapidly
Visibility: 65 miles
6-hr Max temp: 68F
6-hr Min temp: 49F
6-hr Precip: 0.00 ins.
BHO SA 1755 CLR 65 158/68/44/2705/000/ FEW AC NE-E-S FEW THN
CI ALQDS WND LGT/ 8/071 58017 10068 20049
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SUMMARY FOR FRIDAY, OCTOBER 14, 2022
TEMPERATURE (DEGREES F)
MAX…….66 NORMAL…..62
MIN…….54 NORMAL…..45
MEAN……60 NORMAL…..53
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………..+7
TOTAL DEPARTURE FOR THE MONTH…………………..+4 [-0.1 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY…………….5 DEPARTURE……..-7
TOTAL HEATING UNITS FOR THE MONTH…………..127 DEPARTURE…….-10
TOTAL HEATING UNITS FOR THE SEASON………….226 DEPARTURE…….-28
TOTAL HEATING UNITS LAST SEASON TO DATE……..144 DEPARTURE…….+82
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)…….41 SE @ 8:09 A.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..45 @ 8:09 A.M.
DAVIS #2 ………………40 SE @ 8:09 A.M.
RMY #2 (Instantaneous)…..46 SE @ 8:04 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………………33 SE @ 8:03 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..30 @ 8:03 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………30 SE @ 8:17 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..30 SE @ 8:04 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…….11.3 NW [270 total miles]
VECTOR #2……………..11.7
DAVIS #2………………10.8 S
RMY #2………………..11.6 WNW
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……..0.33 DEPARTURE…..+0.49
TOTAL PRECIPITATION FOR THE MONTH…………..3.97 DEPARTURE…..+1.60
TOTAL PRECIPITATION FOR THE YEAR…………..31.96 DEPARTURE…..-9.08
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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 59/40/50/-5/0.02/…/.. 23 NW AERO N/A RMY 23
10/9 61/36/49/-6/0.00/…/.. 30 W AERO N/A RMY 30
10/10 65/45/55/0/0.00/…/.. 24 SW AERO N/A RMY 24
10/11 65/45/55/1/0.00/…/.. 22 WSW AERO N/A RMY 22
10/12 74/51/63/+9/0.00/…/.. 29 SW AERO N/A RMY 29
10/13 66/54/60/+6/…./…/.. 39 SSE AERO N/A RMY 39
10/14 66/54/60/+7/…./…/.. 41 SE AERO N/A RMY 42
10/15 The low since midnight is 47F, the daily normal low is 44F
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 15
HIGH 83F IN 1897
LOW 29F IN 1887,1937
PRECIP 4.58 INCHES IN 2005
SNOWFALL TRACE IN 1961,1972
PEAK GUST 69 MPH W IN 2003
RECORDS FOR OCTOBER 16
HIGH 86F IN 1897
LOW 28F IN 1886
PRECIP 2.82 INCHES IN 1974
SNOWFALL TRACE IN 2009
PEAK GUST 68e MPH SSE IN 1954 (HURRICANE HAZEL)
TODAY’S REPORT PREPARED BY: Benjamin Turner
