Saturday, July 23, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, JULY 23, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0428E
SUNSET: 1913E
DAY 5 OF THE HEAT WAVE IT HOT AND DRY, WITH HAZY
CONDITIONS….
We observed limited visibility on this hot summer’s day,
with only 40 miles being seen due to hazy conditions. Weather
conditions are hot yet somehow comfortable with dew points
being in the mid 60’s as temperatures climb into the mid 90’s.
We have a light westerly breeze all day today, with wind being
calm at times.
The yearly rain deficit is now -8.55 inches! Most
communities adjacent and north of Boston are under severe
drought status!
There is a heat advisory out for most of the Boston area,
as this heat still does not provide the safest conditions
for many outdoor activities.
The high so far today is 95F, which is 13 degrees above the
normal maximum of 82F. The record for this calendar date is
99F, set in 1952. The low since midnight is 72F, which
is 8 degrees above the normal minimum of 64F.
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Today’s Observations:
7 A.M.
Weather: Scattered cirrus
Temperature: 77F; Dew Point: 67F; Relative Humidity: 71%
Wind: WNW @ 6 kts, wind light
Sea-level pressure: 1015.1 mb; 29.89 in. Hg: rising, then
more slowly
Visibility: 25 miles, hazy
6-hr Max temp: 77F
6-hr Min temp: 72F
24-hr Precip: 0.00 ins.
BHO SA 1155 250 SCT 25 151/77/67/3006/998/ HAZY WND
LGT/ 8/002 51013 10077 20072
10 A.M.
Weather: Broken cirrus
Temperature: 89F; Dew Point: 64F; Relative Humidity: 45%
Wind: NW @ 2 kts, wind light and variable
Sea-level pressure: 1015.1 mb; 29.98 in Hg: steady
Visibility: 30 miles, hazy
3-hr Precip: 0.00 ins.
BHO SA 1455 250 BKN 30 151/89/64/3102/998/ HAZY WND L/V/
8/002 50000
1 P.M.
Weather: Scattered cumulus, broken cirrus
Temperature: 94F, Dew point: 67F; Relative Humidity: 42%
Wind: SSW @ 7 kts
Sea-level pressure: 1015.2 mb; 29.98 in Hg: falling then
rising
Visibility: 40 miles
6-hr Max temp: 95F
6-hr Min temp: 77F
6-hr Precip: 0.00 ins.
BHO SA 1755 50 SCT 250 BKN 40 152/94/67/2007/998/ 8/202
53001 10095 20077
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SUMMARY FOR FRIDAY, JULY 22, 2022
TEMPERATURE (DEGREES F)
MAX…….94 NORMAL…..82
MIN…….72 NORMAL…..64
MEAN……83 NORMAL…..73
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…….+10
TOTAL DEPARTURE FOR THE MONTH……………….+58 [+2.4 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……..-5
TOTAL HEATING UNITS FOR THE SEASON……………0 DEPARTURE……..-5
TOTAL HEATING UNITS LAST SEASON TO DATE………26 DEPARTURE…….-26
COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY……………18 DEPARTURE…….+10
TOTAL COOLING UNITS FOR THE MONTH…………..224 DEPARTURE…….+51
TOTAL COOLING UNITS FOR THE SEASON………….379 DEPARTURE…….+67
TOTAL COOLING UNITS LAST SEASON TO DATE……..334 DEPARTURE…….+45
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….25 SW @ 7:26 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..26 @ 7:26 P.M.
DAVIS #2 ………………25 SW @ 7:16 P.M.
RMY #2 (Instantaneous)…..25 SW @ 7:16 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 SW @ 7:26 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..17 @ 7:26 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………17 SW @ 7:26 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..17 SW @ 7:26 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………8.6 WSW [206 total miles]
VECTOR #2……………….9.5
DAVIS #2………………..9.4 W
RMY #2………………….9.4 W
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…………..0.73 DEPARTURE…..-1.71
TOTAL PRECIPITATION FOR THE YEAR…………..21.12 DEPARTURE…..-8.55
PRELIMINARY CLIMATE SUMMARY FOR JULY 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
7/1 90/63/77/+6/0.00/704/77 33 S AERO N/A RMY 34
7/2 83/67/75/+4/0.25/228/25 25 WSW AERO N/A RMY 26 TSTM
7/3 84/65/75/+3/0.00/547/60 25 WNW AERO N/A RMY 26
7/4 83/60/72/0/0.00/838/92 25 WNW AERO N/A RMY 26
7/5 73/63/68/-4/0.12/027/03 37 SSW AERO N/A RMY 39
7/6 83/64/74/+2/T/701/77 37 SSW AERO N/A RMY 38
7/7 79/62/71/-1/0.00/645/71 27 SSW AERO N/A RMY 29
7/8 85/60/73/+1/0.00/472/52 24 WSW AERO N/A RMY 24
7/9 79/63/71/-2/0.00/843/93 21 N AERO N/A RMY 22
7/10 81/57/69/-4/0.00/851/94 22 SSE AERO N/A RMY 24
7/11 86/60/73/0/0.00/849/94 31 SSW AERO N/A RMY 33
7/12 86/63/75/+2/T/713/79 38 SSW AERO N/A RMY 39
7/13 89/67/78/+5/0.00/820/91 22 WNW AERO N/A RMY 22
7/14 86/64/75/+2/0.14/675/75 26 WNW AERO N/A RMY 27
7/15 85/61/73/0/0.00/862/96 21 S AERO N/A RMY 22
7/16 84/63/74/+1/0.00/…/.. 25 SSW AERO N/A RMY 26
7/17 89/65/77/+4/0.00/…/.. 31 SSW AERO N/A RMY 33
7/18 80/68/74/+1/0.22/…/.. 35 SSW AERO N/A RMY 36
7/19 91/70/81/+8/0.00/…/.. 37 WNW AERO N/A RMY 38
7/20 96/72/84/+11/0.00/…/.. 23 WNW AERO N/A RMY 23
7/21 92/71/82/+9/0.00/…/.. 39 SSW AERO N/A RMY 41
7/22 94/72/83/+10/0.00/…/.. 25 W AERO N/A RMY 25
7/23 The low since midnight is 72F, the daily normal low is 64F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR JULY 23
HIGH 99F IN 1952
LOW 51F IN 1923,1977
PRECIP 1.82 INS IN 1953
PEAK GUST 54e MPH S IN 1946
RECORDS FOR JULY 24
HIGH 96F IN 1987
LOW 49F IN 1893,1912
PRECIP 2.27 INS IN 2008
PEAK GUST 46 MPH NE IN 2009
TODAY’S REPORT PREPARED BY: Benjamin Turner
