Friday, September 2, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
FRIDAY, SEPTEMBER 2, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0510E
SUNSET: 1816E
COOLER WITH A LIGHT EASTERLY BREEZE AND EXCELLENT VISIBILITY….
Today featured incredibly pleasant weather with dew points
dropping into the mid 40’s and a cool easterly breeze. Wind
is light at 5 mph on average with the highest gust around 15 mph
so far.
Skies are almost clear with an excellent visibility of 85 miles
all day long. This is quite the difference from weather seen
last month!
The summit continues to have a rainfall deficit, with
1.41″ below normal for August, and an annual deficit of 11.14″!
Most of the Boston area remains under extreme drought conditions.
But the drought has eased up a bit to our south and east.
August 2022 will go down as the 2nd warmest on record here at Blue
Hill. Here is the rankings list going back to 1885!
BHO Highest August 24-Hour Adjusted Mean Temperature, deg F (1885-2022):
1) 74.1 in 2016
2) 73.9 in 2022
3) 73.4 in 2018
4) 72.6 in 2012
72.6 in 2021
6) 72.5 in 1988
7) 72.4 in 2015
The summer season (Jun-Aug) will go down as the 8th driest on record
with only 6.00 inches measured for the 3 month period.
BHO Lowest Summer (Jun-Aug) Precipitation, inches (1885-2022):
1) 3.48 in 1949
2) 3.54 in 1957
3) 4.90 in 2016
4) 5.24 in 1965
5) 5.43 in 1964
6) 5.45 in 1997
7) 5.56 in 1993
8) 6.00 in 2022
9) 6.11 in 1894
10) 6.25 in 1907
Above stats provided by our Chief Scientist Mike Iacono.
Records section below prepared by Matt Douglas!
The high so far today is 72F, which is 5 degrees below the
normal maximum of 77F. The low since midnight is 53F, which is
7 degrees below the normal minimum of 60F.
————————————————————–
PRELIMINARY STATS FOR AUGUST 2022
TEMPERATURE, Deg. F
Avg. Max. 85.8 [+5.6]
Avg. Min. 65.0 [+2.4]
Mean 75.4 [+4.0]
24-hour corrected mean: 73.9
Max. for month: 97F on the 8th and 9th
Min. for month: 58F on the 13th and 14th
HEATING DEGREE DAYS
Total heating units: 0 [-011]
Total for the season: 0 [-018]
Total for last season: 28
COOLING DEGREE DAYS
Total cooling units: 329 [+120]
Total for the season: 836 [+240]
Total for last season: 652
PRECIPITATION, Inches
Total: 2.39 [-1.52]
Greatest in 24 hrs: 0.83 on the 22nd-23rd
WIND, mph
Avg. uncorrected wind speed: 9.3 mph
Avg. corrected wind speed: 10.0 mph
Prevailing wind direction: SW [15%]
Peak gust and direction: 44 NW on the 18th
SUNSHINE:
Campbell-Stokes card minutes: N/a
Astronomical total minutes: N/a
MFD
————————————————————–
Today’s Observations:
7 A.M.
Weather: Clear, few small cumulus offshore
Temperature: 57F; Dew Point: 47F; Relative Humidity: 69%
Wind: NNE @ 5 kts, wind light
Sea-level pressure: 1024.7 mb; 30.26 in. Hg: rising, then more
slowly
Visibility: 85 miles
6-hr Max temp: 57F
6-hr Min temp: 53F
24-hr Precip: 0.00 ins.
BHO SA 1155 CLR 85 247/57/47/0205/026/ FEW SML CU OFFSHR NE-SE WND
LGT/ 8/100 51024 10057 20053
10 A.M.
Weather: Clear, few small cumulus offshore
Temperature: 66F; Dew Point: 47F; Relative Humidity: 49%
Wind: ENE @ 7G12 kts
Sea-level pressure: 1025.9 mb; 30.30 in Hg: rising, then more
slowly
Visibility: 85 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 CLR 85 259/66/47/0707G12/030/ FEW SML CU OFFSHR NE-SE/
8/100 51012
1 P.M.
Weather: Clear, few thin cirrus E-SE
Temperature: 70F, Dew point: 47F; Relative Humidity: 43%
Wind: NE @ 7 kts
Sea-level pressure: 1025.1 mb; 30.28 in Hg: falling then more
slowly
Visibility: 85 miles
6-hr Max temp: 72F
6-hr Min temp: 57F
6-hr Precip: 0.00 ins.
BHO SA 1755 CLR 85 251/70/47/0407/028/ FEW THN CI E-SE/ 8/001
56008 10072 20057
————————————————————–
SUMMARY FOR THURSDAY, SEPTEMBER 1, 2022
TEMPERATURE (DEGREES F)
MAX…….78 NORMAL…..78
MIN…….59 NORMAL…..60
MEAN……69 NORMAL…..69
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……….0
TOTAL DEPARTURE FOR THE MONTH………………….0 [+0.2 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY…………….0 DEPARTURE……..-1
TOTAL HEATING UNITS FOR THE MONTH…………….0 DEPARTURE……..-1
TOTAL HEATING UNITS FOR THE SEASON……………0 DEPARTURE…….-20
TOTAL HEATING UNITS LAST SEASON TO DATE………28 DEPARTURE…….-33
COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….4 DEPARTURE……..+4
TOTAL COOLING UNITS FOR THE MONTH…………….4 DEPARTURE……..-1
TOTAL COOLING UNITS FOR THE SEASON………….840 DEPARTURE……+239
TOTAL COOLING UNITS LAST SEASON TO DATE……..652 DEPARTURE……+188
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….36 WNW @ 11:11 A.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..39 @ 9:18 A.M.
DAVIS #2 ………………34 WNW @ 11:14 A.M.
RMY #2 (Instantaneous)…..37 WNW @ 9:18 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………………25 WNW @ 11:11 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..25 @ 10:57 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………25 W @ 11:03 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..24 WNW @ 11:03 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………12.1 WNW [291 total miles]
VECTOR #2……………….13.0
DAVIS #2………………..12.9 WNW
RMY #2………………….12.8 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……..0.00 DEPARTURE…..-0.11
TOTAL PRECIPITATION FOR THE MONTH (JULY)…….2.39 DEPARTURE…..-0.11
TOTAL PRECIPITATION FOR THE YEAR…………..23.58 DEPARTURE….-11.14
————————————————————–
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 97/63/80/+8/0.23/365/43 33 NW AERO N/A RMY 34 TSTM
8/10 76/62/69/-3/0.03/347/41 22 NE AERO N/A RMY 22
8/11 79/65/72/0/T/160/19 18 SSW AERO N/A RMY 18
8/12 83/63/73/+1/0.00/698/83 21 NW AERO N/A RMY 22
8/13 77/58/68/-4/0.00/512/61 20 NE AERO N/A RMY 19
8/14 84/58/71/-1/0.00/661/79 24 SSE AERO N/A RMY 24
8/15 83/61/72/0/0.00/726/87 21 ENE AERO N/A RMY 21
8/16 77/61/69/-3/T/566/68 28 ENE AERO N/A RMY 30
8/17 77/61/69/-3/0.03/182/22 30 ENE AERO N/A RMY 30
8/18 83/61/72/+1/0.00/661/80 44 NW AERO N/A RMY 46
8/19 91/62/77/+6/0.00/807/98 25 WNW AERO N/A RMY 25
8/20 94/69/82/+11/0.00/411/50 30 SSW AERO N/A RMY 32
8/21 87/65/76/+5/0.00/589/72 26 SSW AERO N/A RMY 28
8/22 72/64/68/-3/0.80/000/00 17 E AERO N/A RMY 17
8/23 74/65/70/-1/0.06/024/03 21 ESE AERO N/A RMY 21 TSTM
8/24 87/63/75/+4/0.00/583/72 19 WNW AERO N/A RMY 18
8/25 88/67/78/+8/0.00/590/73 23 S AERO N/A RMY 23
8/26 88/65/77/+7/0.71/483/60 40 WNW AERO N/A RMY 42 TSTM
8/27 78/64/71/+1/0.00/569/71 20 N AERO N/A RMY 20
8/28 80/63/72/+2/0.00/583/73 22 SSE AERO N/A RMY 22
8/29 88/61/75/+5/0.00/662/83 30 SSW AERO N/A RMY 31
8/30 89/69/79/+10/0.00/…/.. 34 S AERO N/A RMY 35
8/31 83/65/74/+5/0.39/…/.. 33 WNW AERO N/A RMY 33 TSTM
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
08/20/2022: NEW HIGH MAXIMUM TEMPERATURE RECORD OF 94F,
PREVIOUS RECORD WAS 93F SET IN 1937
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/…/.. 36 WNW AERO N/A RMY 37
9/2 The low since midnight is 53F, the daily normal low is 60F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR SEPTEMBER 2
HIGH 99F IN 1953 (SEPTEMBER MAXIMUM RECORD)
LOW 44F IN 1909
PRECIP 2.73 INCHES IN 1947
PEAK GUST 55e MPH WNW IN 1944
RECORDS FOR SEPTEMBER 3
HIGH 95F IN 1929
LOW 43F IN 1893
PRECIP 3.82 INCHES IN 1972 (TROPICAL STORM CARRIE)
PEAK GUST 58 MPH NNE IN 1972 (TROPICAL STORM CARRIE)
TODAY’S REPORT PREPARED BY: Benjamin Turner
