Tuesday, August 9, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
TUESDAY, AUGUST 9, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0445E
SUNSET: 1854E
SIX-DAY HEAT WAVE ENDING WITH THUNDERSTORMS, STILL VERY HUMID….
The hot and humid weather has entered the 6th day today with the
mercury reaching a maximum of 97F degrees. But thankfully a
thunderstorm moved through this afternoon dropping the
temperature back to the upper 70s for a time, but it has now
recovered to the low 80s.
What the thunderstorm also did was increase the dew point. I
took a special reading at 2pm EST (3pm EDT) and the dew point
was 78F! This is one of the highest dew points I’ve seen around
this area. Definitely oppressive.
The dew point has been in the 70s all day, earlier creating heat
index values between 100F and 105F for a time! The number of days
of this high heat is starting to get to most people at this point.
This is the second week-long heat-wave in just a 3 week period of
time.
As mentioned yesterday, we’ve been setting or tying some records
during this stretch. Here they are…
8/4: High max of 96F, this beat the old record of 95F set in 1928
8/6: High max of 95F, this tied the record with 1931
High min of 72F, this tied the record with 1918 and 1924
8/7: High max of 96F, this beat the old record of 95F set in 1924
High min of 73F, this tied the record with 2018
8/8: High max of 97F, this beat the old record of 93F set in 1909
and 1949
High min of 75F, this beat the old record of 74F set in 2001
8/9: High min of 77F (so far), should this hold, it will beat
the old record of 75F set in 2001
The high so far today is 97F, which is 16 degrees above the normal
maximum of 81F. The low since midnight is 77F, which is 13 degrees
above the normal minimum of 64F.
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Today’s Observations:
7 A.M.
Weather: Broken altocumulus
Temperature: 80F; Dew Point: 73F; Relative Humidity: 80%
Wind: WSW @ 12G21 kts
Sea-level pressure: 1011.4 mb; 29.87 in. Hg: steady then rising
Visibility: 35 miles, hazy
6-hr Max temp: 80F
6-hr Min temp: 77F
24-hr Precip: Trace
BHO SA 1155 E150 BKN 35 114/80/73/2512G21/987/ HAZY/ 8/080 53005
70000 10080 20077
10 A.M.
Weather: Scattered cumulus, scattered altocumulus
Temperature: 90F; Dew Point: 72F; Relative Humidity: 56%
Heat Index: 97F
Wind: W @ 13G23 kts
Sea-level pressure: 1011.4 mb; 29.87 in Hg: rising then falling
Visibility: 35 miles, hazy
3-hr Precip: 0.00 ins.
BHO SA 1455 35 SCT E150 SCT 35 114/90/72/2713G23/987/ HAZY HX 97/
8/270 50000
1 P.M.
Weather: Broken cumulus, broken altocumulus, cumulonimbus distant
NW-N, towering cumulus all quadrants, virga distant S
Temperature: 95F, Dew point: 71F; Relative Humidity: 46%
Heat Index: 103F
Wind: WNW @ 8G16 kts
Sea-level pressure: 1010.3 mb; 29.83 in Hg: falling, then more rapidly
Visibility: 30 miles, hazy
6-hr Max temp: 96F
6-hr Min temp: 80F
6-hr Precip: 0.00 ins.
BHO SA 1755 E50 BKN 150 BKN 30 103/95/71/2908G16/983/ CB DSNT NW-N
TCU ALQDS VIRGA DSNT S HAZY HX 103/ 8/360 58011 10096 20080
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SUMMARY FOR MONDAY, AUGUST 8, 2022
TEMPERATURE (DEGREES F)
MAX…….97R NORMAL…..81
MIN…….75R NORMAL…..64
MEAN……86 NORMAL…..72
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……..+14
TOTAL DEPARTURE FOR THE MONTH………………..+72 [+8.8 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY…………….0 DEPARTURE………0
TOTAL HEATING UNITS FOR THE MONTH…………….0 DEPARTURE……..-2
TOTAL HEATING UNITS FOR THE SEASON……………0 DEPARTURE……..-9
TOTAL HEATING UNITS LAST SEASON TO DATE………28 DEPARTURE…….-28
COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY……………21 DEPARTURE…….+13
TOTAL COOLING UNITS FOR THE MONTH…………..135 DEPARTURE…….+72
TOTAL COOLING UNITS FOR THE SEASON………….642 DEPARTURE……+193
TOTAL COOLING UNITS LAST SEASON TO DATE……..423 DEPARTURE……+219
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….37 WSW @ 4:08 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..39 @ 4:08 P.M.
DAVIS #2 ………………36 WSW @ 4:08 P.M.
RMY #2 (Instantaneous)…..39 WSW @ 4:08 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………………27 SW @ 4:47 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..25 @ 5:06 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………25 WSW @ 4:09 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..25 SW @ 5:06 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………14.0 SW [337 total miles]
VECTOR #2……………….14.7
DAVIS #2………………..14.7 SW
RMY #2………………….14.7 SW
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…….TRACE DEPARTURE…..-0.13
TOTAL PRECIPITATION FOR THE MONTH (JULY)…….0.14 DEPARTURE…..-0.92
TOTAL PRECIPITATION FOR THE YEAR…………..21.33 DEPARTURE….-10.43
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PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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
8/1 85/66/76/+3/0.05/494/57 24 S AERO N/A RMY 26
8/2 93/66/80/+7/0.00/588/68 27 WSW AERO N/A RMY 29
8/3 88/68/78/+5/0.00/836/97 22 NNW AERO N/A RMY 23
8/4 96/68/82/+9/0.00/808/94 29 SSW AERO N/A RMY 31
8/5 96/72/84/+11/0.01/438/51 42 NW AERO N/A RMY 42 TSTM
8/6 95/72/84/+11/0.00/822/96 30 SSW AERO N/A RMY 31
8/7 96/73/85/+12/0.08/589/69 36 SW AERO N/A RMY 38 TSTM
8/8 97/75/86/+14/T/740/87 37 WSW AERO N/A RMY 39
8/9 The low since midnight is 77F, the daily normal low is 64F
DAILY RECORDS
08/04/2022: NEW HIGH MAXIMUM TEMPERATURE RECORD OF 96F,
PREVIOUS RECORD WAS 95F SET IN 1928.
08/06/2022: TIED RECORD HIGH MAXIMUM OF 95F, ALSO SET IN 1931
TIED RECORD HIGH MINIMUM OF 72F, ALSO SET IN 1918 AND 1924
08/07/2022: NEW HIGH MAXIMUM TEMPERATURE RECORD OF 96F,
PREVIOUS RECORD WAS 95F SET IN 1924
TIED RECORD HIGH MINIMUM OF 73F, ALSO SET IN 2018
08/08/2022: NEW HIGH MAXIMUM TEMPERATURE RECORD OF 97F,
PREVIOUS RECORD WAS 93F SET IN 1909 AND 1949
NEW HIGH MINIMUM TEMPERATURE RECORD OF 75F,
PREVIOUS RECORD WAS 74F SET IN 2001
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR AUGUST 9
HIGH 100F IN 1949
LOW 49F IN 1899
PRE 2.65 INS IN 1976
PEAK GUST 90 MPH SW IN 1968
RECORDS FOR AUGUST 10
HIGH 101F IN 1949 [STATION RECORD MAXIMUM – Tied with 8/2/1975]
LOW 49F IN 1964
PRE 2.27 INS IN 1952
PEAK GUST 88e MPH S IN 1976
TODAY’S REPORT PREPARED BY: Matt Douglas
