Thursday, August 25, 2022

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

THURSDAY, AUGUST 25, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0502E
SUNSET:  1830E

LOWER VISIBILITY WITH ALMOST NO WIND IN THE AFTERNOON….

Today started off clear with a good amount of cumulus clouds
moving in around noontime. Visibility was 45 miles on average,
and wind was roughly 2 mph since the 10 A.M. observation.

Today was still on the humid side with dew points in the upper
60’s.

Most of the Boston area is still in an extreme drought, while
the south shore and Cape are in a severe drought given the
rainfall that occurred a couple days ago.

The summit is at a monthly rain deficit of 1.79 inches, and
an annual deficit of 11.30 inches!

The high so far today is 88F, which is 9 degrees above the normal
maximum of 79F. The low since midnight is 67F, which is 5 degrees
above the normal minimum of 62F.

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Today’s Observations:

7 A.M.
Weather: Clear, few altocumulus castellanus SE-S-SSW, few cirrus
Temperature: 72F; Dew Point: 64F; Relative Humidity: 76%
Wind: N @ 7 kts
Sea-level pressure: 1016.5 mb; 30.02 in. Hg: rising steadily
Visibility: 45 miles
6-hr Max temp: 72F
6-hr Min temp: 67F
24-hr Precip: 0.00 ins.
BHO SA 1155 CLR 45 165/72/64/3607/002/ FEW ACC SE-S-SSW FEW
CI ALQDS/ 8/082 52011 10072 20067

10 A.M.
Weather: Clear, few small cumulus
Temperature: 83F; Dew Point: 63F; Relative Humidity: 52%
Wind: N @ 2 kts, wind light and variable
Sea-level pressure: 1016.8 mb; 30.03 in Hg: falling then
rising
Visibility: 45 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 CLR 45 168/83/63/3602/003/ FEW SML CU ALQDS WND
L/V/ 8/100 50003

1 P.M.
Weather: Broken cumulus
Temperature: 84F, Dew point: 61F; Relative Humidity: 46%
Wind: NW @ 3 kts, light and variable
Sea-level pressure: 1016.2 mb; 30.01 in Hg: falling, then
more slowly
Visibility: 45 miles
6-hr Max temp: 88F
6-hr Min temp: 72F
6-hr Precip: 0.00 ins.
BHO SA 1755 50 BKN 45 162/84/61/3103/001/ WND L/V/ 8/200 56006
10088 20072
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SUMMARY FOR WEDNESDAY, AUGUST 24, 2022

TEMPERATURE (DEGREES F)
MAX…….87   NORMAL…..79
MIN…….63   NORMAL…..62
MEAN……75   NORMAL…..71

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………+4
TOTAL DEPARTURE FOR THE MONTH………………..+90 [+3.6 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……..-7
TOTAL HEATING UNITS FOR THE SEASON……………0  DEPARTURE…….-14
TOTAL HEATING UNITS LAST SEASON TO DATE………28  DEPARTURE…….-28

COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY……………10  DEPARTURE……..+4
TOTAL COOLING UNITS FOR THE MONTH…………..258  DEPARTURE…….+86
TOTAL COOLING UNITS FOR THE SEASON………….765  DEPARTURE……+207
TOTAL COOLING UNITS LAST SEASON TO DATE……..585  DEPARTURE……+180

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….19 WNW @  3:23 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..20     @  3:23 P.M.
DAVIS #2 ………………17 NW  @ 11:53 A.M.
RMY #2 (Instantaneous)…..18 WNW @  3:23 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………………11 NW  @   3:23 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..15     @  11:54 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………14 WNW @  11:54 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..14 NW  @  11:54 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………5.3 WNW [127 total miles] VECTOR #2……………….6.6
DAVIS #2………………..6.1 NW
RMY #2………………….6.5 NW
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)…….1.29 DEPARTURE…..-1.79
TOTAL PRECIPITATION FOR THE YEAR…………..22.51 DEPARTURE….-11.30

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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  87/63/75/+4/…./…/..             19 WNW AERO N/A    RMY 18

8/25  The low since midnight is 67F, 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 25
HIGH 93F IN 1947, 1948, 2007
LOW 41F IN 1940
PRECIP 2.69 INCHES IN 2010
PEAK GUST 60e MPH SSW IN 1941

RECORDS FOR AUGUST 26
HIGH 96F IN 1900, 1948
LOW 46F IN 1885
PRECIP 5.85 INCHES IN 1924
PEAK GUST 55e MPH NNW IN 1947

TODAY’S REPORT PREPARED BY: Benjamin Turner