Thursday, June 23, 2022

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

THURSDAY, JUNE 23, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0408E
SUNSET:  1925E

INCREASING CLOUDS WITH A LIGHT SOUTHEASTERLY BREEZE ATOP
GREAT BLUE HILL….

Today was cool and partly cloudy with hazy conditions,
but visibility was a decent 60 miles at the 1 P.M.
observation. A passing shower was observed shortly before
10 A.M., but only left a trace; if anything in the gauge.

Wind was easterly and lighter in comparison to yesterday.
Speeds were 10 mph at most with a gust of 22 mph earlier
on this morning. Dew points remain in the upper 50’s while
temperatures have climbed into the mid 70’s.

Rainfall totals continue to disappoint, as we are -1.57
inches from normal on the month and -6.59 inches from
normal on the year. We are currently in a moderate drought!
The high so far today is 76F, which is 2 degrees below the normal
maximum of 78F. The low since midnight is 58F, which is 2
degrees below the normal minimum of 60F.

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Today’s Observations:

7 A.M.
Weather: Scattered stratocumulus
Temperature: 62F; Dew Point: 60F; Relative Humidity: 93%
Wind: SSE @ 7 kts
Sea-level pressure: 1017.3 mb; 30.04 in. Hg: rising then falling
Visibility: 25 miles, thin fog
6-hr Max temp: 62F
6-hr Min temp: 58F
24-hr Precip: 0.00 ins.
BHO SA 1155 20 SCT 25 173/62/60/1607/004/ THN F ALQDS/ 8/800
51003 10062 20058

10 A.M.
Weather: Broken cumulus, quick light rain shower
9:40 to 9:50 A.M. EST.
Temperature: 69F; Dew Point: 59F; Relative Humidity: 69%
Wind: SSE @ 7 kts
Sea-level pressure: 1017.4 mb; 30.04 in Hg: rising then falling
Visibility: 40 miles
3-hr Precip: Trace
BHO SA 1455 30 BKN 40 174/69/59/1607/004/ RW-B40E50/ 8/200 55001
6000/

1 P.M.
Weather: Scattered cumulus, broken altocumulus and cirrostratus
Temperature: 70F, Dew point: 59F; Relative Humidity: 67%
Wind: SE @ 7 kts
Sea-level pressure: 1016.8 mb; 30.02 in Hg: falling, then
more rapidly
Visibility: 60 miles
6-hr Max temp: 76F
6-hr Min temp: 62F
6-hr Precip: Trace
BHO SA 1755 30 SCT 80 BKN 250 BKN 60 168/70/59/1407/002/ 8/275
58006 6000/ 10076 20062

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SUMMARY FOR WEDNESDAY, JUNE 22, 2022

TEMPERATURE (DEGREES F)
MAX…….73   NORMAL…..78
MIN…….56   NORMAL…..60
MEAN……65   NORMAL…..69

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……..-4
TOTAL DEPARTURE FOR THE MONTH………………..+2 [-0.1 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY…………….0  DEPARTURE……..-1
TOTAL HEATING UNITS FOR THE MONTH……………41  DEPARTURE…….-20
TOTAL HEATING UNITS FOR THE SEASON…………5607  DEPARTURE……-598
TOTAL HEATING UNITS LAST SEASON TO DATE…….5594  DEPARTURE…….+13

COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….0  DEPARTURE……..-5
TOTAL COOLING UNITS FOR THE MONTH……………47  DEPARTURE…….-19
TOTAL COOLING UNITS FOR THE SEASON………….107  DEPARTURE…….+13
TOTAL COOLING UNITS LAST SEASON TO DATE……..152  DEPARTURE…….-45

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….26 ESE @  1:34 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..28     @  1:34 P.M.
DAVIS #2 ………………27 ESE @  1:37 P.M.
RMY #2 (Instantaneous)…..28 ESE @  1:37 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………………18 ESE @  1:34 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..19     @ 11:58 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………19 ESE @  1:31 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..19 ESE @ 11:58 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……..9.0 ESE [217 total miles] VECTOR #2………………9.6
DAVIS #2……………….9.5 SE
RMY #2…………………9.6 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…..-0.15
TOTAL PRECIPITATION FOR THE MONTH…………..1.97  DEPARTURE…..-1.57
TOTAL PRECIPITATION FOR THE YEAR…………..19.55  DEPARTURE…..-6.59

PRELIMINARY CLIMATE SUMMARY FOR JUNE 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

6/01  62/52/57/-5/0.08/009/01             21 SSW AERO N/A    RMY 22
6/02  67/53/60/-2/T/308/34                20 S   AERO N/A    RMY 21
6/03  64/52/58/-7/0.05/000/00             22 ENE AERO N/A    RMY 22
6/04  75/52/64/+1/0.01/554/61             28 SSW AERO N/A    RMY 29
6/05  76/50/63/0/0.00/882/97              28 WNW AERO N/A    RMY 28
6/06  80/56/68/+5/0.00/783/86             22 S   AERO N/A    RMY 23
6/07  80/60/70/+6/0.02/619/68             36 SSW AERO N/A    RMY 38
6/08  79/60/70/+6/0.42/537/59             36 S   AREO N/A    RMY 39
6/09  80/59/70/+6/0.71/466/51             43 WNW AERO N/A    RMY 45
6/10  75/55/65/0/0.00/803/88              34 WNW AERO N/A    RMY 33
6/11  78/58/68/+3/0.00/494/54             27 W   AERO N/A    RMY 27
6/12  77/59/68/+3/0.00/484/53             31 SSW AERO N/A    RMY 32
6/13  82/64/73/+7/0.17/650/71             26 NW  AERO N/A    RMY 25
6/14  81/58/70/+4/0.00/869/95             23 NW  AERO N/A    RMY 24
6/15  73/59/66/0/0.00/632/69              22 ENE AERO N/A    RMY 23
6/16  71/58/65/-2/0.00/421/46             34 SSW AERO N/A    RMY 37
6/17  82/64/73/+6/0.20/559/61             35 NW  AERO N/A    RMY 35
6/18  68/51/60/-7/T/440/48                36 NW  AERO N/A    RMY 37
6/19  60/48/54/-14/0.31/028/03            28 NNW AERO N/A    RMY 27
6/20  77/48/63/-5/0.00/834/91             31 NNW AERO N/A    RMY 30
6/21  77/54/66/-2/0.00/…/..             24 S   AERO N/A    RMY 25
6/22  73/56/65/-4/0.00/…/..             26 ESE AERO N/A    RMY 28

6/23  The low since midnight is 58F, 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 JUNE 23
HIGH 93F IN 1888
LOW 45F IN 1885
PRECIP 0.76 INS IN 1893
PEAK GUST 63 MPH SE IN 1972 (AGNES)

RECORDS FOR JUNE 24
HIGH 91F IN 1914, 1976, 2013
LOW 40F IN 1932
PRECIP 2.80 INS IN 1929
PEAK GUST 54 MPH WNW IN 2010

TODAY’S REPORT PREPARED BY: Benjamin Turner