Monday, August 29, 2022

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

MONDAY, AUGUST 29, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0506E
SUNSET:  1823E

VERY WARM AND HUMID WEATHER TODAY UNDER MOSTLY SUNNY SKIES….

Another day today with a mix of sun and clouds, however the
temperature is considerably warmer than yesterday as the mercury
has reached the upper 80s this afternoon. Unfortunately the
humidity levels have increased also with dew point readings in
the upper 60s flirting with 70F!

The only saving grace, there is at least a breeze blowing here
on the summit. The wind has been gradually increasing into the
afternoon with speeds averaging 10-15mph since early afternoon.
The peak gust so far has been 22mph!

Visibility has been limited due to thin fog this morning and
general haziness this afternoon. Values have ranged from 20-30
miles all day.

The summit continues with a monthly rainfall deficit, now reaching
1.56″ below normal, and an annual deficit of 11.07″! Most of the
Boston area remains under extreme drought conditions.

The high so far today is 87F, which is 9 degrees above the normal
maximum of 78F. The low since midnight is 61F, which is equal to
the normal minimum of 61F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Overcast stratus
Temperature: 65F; Dew Point: 64F; Relative Humidity: 97%
Wind: W @ 8 kts
Sea-level pressure: 1021.6 mb; 30.17 in. Hg: steady then rising
Visibility: 20 miles, thin fog
6-hr Max temp: 65F
6-hr Min temp: 61F
24-hr Precip: 0.00 ins.
BHO SA 1155 E3 OVC 20 216/65/64/2608/017/ THN F ALQDS/ 8/6// 53006
10065 20061

10 A.M.
Weather: Scattered stratocumulus, thin scattered cirrus
Temperature: 78F; Dew Point: 68F; Relative Humidity: 72%
Wind: WSW @ 9 kts
Sea-level pressure: 1021.0 mb; 30.15 in Hg: falling, then more slowly
Visibility: 30 miles, hazy
3-hr Precip: 0.00 ins.
BHO SA 1455 15 SCT 250 -SCT 30 210/78/68/2409/015/ HAZY/ 8/501 56006

1 P.M.
Weather: Scattered cumulus, thin scattered cirrus
Temperature: 87F, Dew point: 69F; Relative Humidity: 56%
Wind: SW @ 8G16 kts
Sea-level pressure: 1018.8 mb; 30.09 in Hg: falling, then more rapidly
Visibility: 30 miles, hazy
6-hr Max temp: 87F
6-hr Min temp: 65F
6-hr Precip: 0.00 ins.
BHO SA 1755 30 SCT 250 -SCT 30 188/87/69/2308G16/009/ HAZY/ 8/201 58022
10087 20065

————————————————————–

SUMMARY FOR SUNDAY, AUGUST 28, 2022

TEMPERATURE (DEGREES F)
MAX…….80   NORMAL…..79
MIN…….63   NORMAL…..61
MEAN……72   NORMAL…..70

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……….+2
TOTAL DEPARTURE FOR THE MONTH………………..+108 [+3.7 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……..-9
TOTAL HEATING UNITS FOR THE SEASON……………0  DEPARTURE…….-16
TOTAL HEATING UNITS LAST SEASON TO DATE………28  DEPARTURE…….-28

COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….7  DEPARTURE……..+1
TOTAL COOLING UNITS FOR THE MONTH…………..296  DEPARTURE……+102
TOTAL COOLING UNITS FOR THE SEASON………….803  DEPARTURE……+222
TOTAL COOLING UNITS LAST SEASON TO DATE……..632  DEPARTURE……+171

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….22 SSE @  5:23 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..23     @  5:23 P.M.
DAVIS #2 ………………24 S   @  5:25 P.M.
RMY #2 (Instantaneous)…..22 SSE @  5:25 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………………16 SSW @   9:16 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..16     @  10:07 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………17 S   @   8:34 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..17 S   @   8:07 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……….7.1 E  [171 total miles] VECTOR #2………………..8.0
DAVIS #2…………………7.4 SSE
RMY #2…………………..7.9 SE
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…..-0.12
TOTAL PRECIPITATION FOR THE MONTH (JULY)…….2.00 DEPARTURE…..-1.56
TOTAL PRECIPITATION FOR THE YEAR…………..23.19 DEPARTURE….-11.07

————————————————————–

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 TSTM
8/24  87/63/75/+4/0.00/…/..             19 WNW AERO N/A    RMY 18
8/25  88/67/78/+8/0.00/…/..             23 S   AERO N/A    RMY 23
8/26  88/65/77/+7/0.71/…/..             40 WNW AERO N/A    RMY 42 TSTM
8/27  78/64/71/+1/0.00/…/..             20 N   AERO N/A    RMY 20
8/28  80/63/72/+2/0.00/…/..             22 SSE AERO N/A    RMY 22

8/29  The low since midnight is 61F, the daily normal low is 61F

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 29
HIGH 95F IN 1953
LOW 41F IN 1982
PRECIP 2.88 INCHES IN 1962
PEAK GUST 70e MPH S IN 1949

RECORDS FOR AUGUST 30
HIGH 94F IN 1953
LOW 39F IN 1965
PRECIP 2.75 INCHES IN 1936
PEAK GUST 43 MPH NW IN 1965

TODAY’S REPORT PREPARED BY: Matt Douglas