Wednesday, August 24, 2022

BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

WEDNESDAY, AUGUST 24, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0501E
SUNSET:  1831E

MOSTLY CLOUDY WITH GOOD VISIBILITY FOLLOWING SOME
OVERNIGHT RAINFALL….

We have received 0.03 inches since 7 A.M. yesterday, very little
in comparison to areas in southeastern Massachusetts. Today
began foggy with only a 1/2 mile of visibility. That changed
in rapid fashion as the fog broke up and left us with 75 miles
of visibility on average.

Today was still on the humid side with dew points in the upper
60’s and very little wind to speak of!

The high so far today is 84F, which is 5 degrees above the normal
maximum of 79F. The low since midnight is 63F, which is a degree
above the normal minimum of 62F.

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Today’s Observations:

7 A.M.
Weather: Fog
Temperature: 66F; Dew Point: 66F; Relative Humidity: 100%
Wind: NW @ 7 kts
Sea-level pressure: 1012.8 mb; 29.91 in. Hg: rising, then
more rapidly
Visibility: 1/2 miles, fog
6-hr Max temp: 66F
6-hr Min temp: 63F
24-hr Precip: 0.03 ins.
BHO SA 1155 X W3 1/2F 128/66/66/3107/991/ 8//// 53011 70003
10066 20063

10 A.M.
Weather: Overcast cumulus, few breaks in overcast NW-N
Temperature: 74F; Dew Point: 67F; Relative Humidity: 79%
Wind: W @ 5 kts, wind light
Sea-level pressure: 1013.9 mb; 29.94 in Hg: rising, then
more slowly
Visibility: 70 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 30 OVC 70 139/74/67/2705/994/ FEW BINOVC NW-N WND
LGT/ 8/200 51011

1 P.M.
Weather: Broken cumulus and cirrus
Temperature: 83F, Dew point: 67F; Relative Humidity: 59%
Wind: W @ 7 kts
Sea-level pressure: 1013.5 mb; 29.93 in Hg: falling unsteadily
Visibility: 75 miles
6-hr Max temp: 84F
6-hr Min temp: 66F
6-hr Precip: 0.00 ins.
BHO SA 1755 30 BKN 250 BKN 75 135/83/67/2707/993/ 8/202 57004
10084 20066
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SUMMARY FOR TUESDAY, AUGUST 23, 2022

TEMPERATURE (DEGREES F)
MAX…….74   NORMAL…..79
MIN…….65   NORMAL…..62
MEAN……70   NORMAL…..71

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………-1
TOTAL DEPARTURE FOR THE MONTH………………..+86 [+3.5 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……..-6
TOTAL HEATING UNITS FOR THE SEASON……………0  DEPARTURE…….-13
TOTAL HEATING UNITS LAST SEASON TO DATE………28  DEPARTURE…….-28

COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….5  DEPARTURE……..-1
TOTAL COOLING UNITS FOR THE MONTH…………..248  DEPARTURE…….+82
TOTAL COOLING UNITS FOR THE SEASON………….755  DEPARTURE……+202
TOTAL COOLING UNITS LAST SEASON TO DATE……..573  DEPARTURE……+182

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….21 ESE @   6:23 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..21     @   6:23 P.M.
DAVIS #2 ………………19 ESE @   6:24 P.M.
RMY #2 (Instantaneous)…..21 ESE @   6:23 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………………15 ESE @   6:23 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..16     @   6:23 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………16 ESE @   6:23 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..16 ESE @   6:23 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………4.2 NE [101 total miles] VECTOR #2……………….5.1
DAVIS #2………………..4.9 ESE
RMY #2………………….5.4 ENE
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……..0.03 DEPARTURE…..-0.09
TOTAL PRECIPITATION FOR THE MONTH (JULY)…….1.29 DEPARTURE…..-1.67
TOTAL PRECIPITATION FOR THE YEAR…………..22.51 DEPARTURE….-11.18

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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   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/…/..             21 ESE AERO N/A    RMY 21

8/24  The low since midnight is 63F, the daily normal low is 62F

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

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)

RECORDS FOR AUGUST 24
HIGH 92F IN 1947
LOW 43F IN 1971
PRECIP 2.40 INCHES IN 2010
PEAK GUST 54 MPH W IN 1986

RECORDS FOR AUGUST 25
HIGH 93F IN 1947, 1948, 2007
LOW 41F IN 1940
PRECIP 2.69 INCHES IN 2010
PEAK GUST 60e MPH SSW IN 1941

TODAY’S REPORT PREPARED BY: Benjamin Turner