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Sunday, April 24, 2022

April 24, 2022

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, APRIL 24, 2022 ALL TIMES ARE…

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

SUNDAY, APRIL 24, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0449E
SUNSET:  1836E

MAINLY CLOUDY AND COOLER TODAY WITH AN ONSHORE BREEZE….

More clouds than sun has been the theme today with an onshore
breeze keeping temperatures on the cooler side. So far the
high has only been 50F degrees, occurring back at midnight.
This is 10 degrees below the normal high for today’s date.

A trace of rain fell early this morning with some widely
scattered light showers pushing through prior to the 7 A.M.
observation.

An easterly wind was a bit gusty this morning, but has since
slackened a bit into this afternoon. The average speed for
the day thus far is around 12mph with a peak gust of 29mph
occurring just after 3 A.M. this morning.

Visibility has been fair averaging 40-50 miles with some
haziness in the air.

The high so far today is 50F, which is 10 degrees below the
normal maximum of 60F. The low since midnight is 40F, which
is 1 degree below the normal minimum of 41F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Broken altostratus, broken altocumulus/castellanous,
broken cirrocumulus, virga SE-S
Temperature: 41F; Dew Point: 28F; Relative Humidity: 59%
Wind: ENE @ 13G19 kts
Sea-level pressure: 1027.3 mb; 30.34 in. Hg: rising then more slowly
Visibility: 45 miles, hazy
6-hr Max temp: 49F
6-hr Min temp: 40F
24-hr Precip: Trace
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 E50 BKN 85 BKN 180 BKN 45 273/41/28/0613G19/034/
VIRGA SE-S RW-B10E30 HAZY/ 8/079 51015 6000/ 70000 10049 20040

10 A.M.
Weather: Broken altostratus, broken altocumulus, broken cirrostratus
Temperature: 45F; Dew Point: 24F; Relative Humidity: 43%
Wind: NE @ 9G16 kts
Sea-level pressure: 1027.2 mb; 30.33 in Hg: rising then falling
Visibility: 40 miles, hazy
3-hr Precip: 0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 E50 BKN 80 BKN 180 BKN 40 272/45/24/0509G16/033/ HAZY/
8/078 58001

1 P.M.
Weather: Overcast altostratus/altocumulus, few breaks in overcast N-NE
Temperature: 46F, Dew point: 23F; Relative Humidity: 40%
Wind: ENE @ 6 kts, wind light
Sea-level pressure: 1026.5 mb; 30.31 in Hg: rising, then falling
Visibility: 50 miles
6-hr Max temp: 49F
6-hr Min temp: 41F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 E75 OVC 50 265/46/23/0706/031/ FEW BINOVC N-NE WND LGT/
8/07/ 58007 10049 20041

————————————————————–

SUMMARY FOR SATURDAY, APRIL 23, 2022

TEMPERATURE (DEGREES F)
MAX…….66     NORMAL…..60
MIN…….40     NORMAL…..41
MEAN……53     NORMAL…..50

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…….+3
TOTAL DEPARTURE FOR THE MONTH………………+72 [+2.9 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY………….12  DEPARTURE……..-3
TOTAL HEATING UNITS FOR THE MONTH…………372  DEPARTURE…….-75
TOTAL HEATING UNITS FOR THE SEASON……….5235  DEPARTURE……-558
TOTAL HEATING UNITS LAST SEASON TO DATE…..5248  DEPARTURE…….-13

COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………..0  DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH…………..0  DEPARTURE……..-1
TOTAL COOLING UNITS FOR THE SEASON………….0  DEPARTURE……..-1
TOTAL COOLING UNITS LAST SEASON TO DATE……..0  DEPARTURE………0

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….24 NW  @  3:42 P.M.
AEROVANE……………….22 W   @  3:26 P.M.
VECTOR #2 (Instantaneous)..26     @  3:26 P.M.
DAVIS #2 ………………23 W   @  3:26 P.M.
RMY #2 (Instantaneous)…..25 W   @  3:26 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 WNW @  2:56 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..16     @  2:55 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………16 NNW @  3:47 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..16 NW  @  2:55 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…….. 7.8 NNW [186 total miles] VECTOR #2……………… 8.3
DAVIS #2………………. 8.0 NNW
RMY #2………………… 8.1 NNW
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……TRACE  DEPARTURE…..-0.15
TOTAL PRECIPITATION FOR THE MONTH………….2.67  DEPARTURE…..-1.09
TOTAL PRECIPITATION FOR THE YEAR………….15.98  DEPARTURE…..-1.80

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0  DEPARTURE…… 0.0
TOTAL SNOWFALL FOR THE MONTH……………..TRACE  DEPARTURE……-2.7
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..70.7  DEPARTURE……+1.1

PRELIMINARY CLIMATE SUMMARY FOR APRIL CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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

4/01  57/35/46/+5/0.41/0.0/183/24         56 WNW AERO 55 WNW RMY 58
4/02  52/34/43/+2/0.00/0.0/697/91         45 WNW AERO 43 WNW RMY 47
4/03  51/36/44/+2/0.03/0.0/215/28         23 NE  AERO 18 NE  RMY 23
4/04  56/35/46/+4/0.02/0.0/610/79         35 NW  AERO 30 NW  RMY 34
4/05  62/37/50/+7/0.00/0.0/698/90         25 SSW AERO 24 S   RMY 25
4/06  44/39/42/-1/0.22/0.0/000/00         33 ENE AERO 32 E   RMY 34
4/07  52/38/45/+1/0.06/0.0/000/00         50 ESE AERO 50 ESE RMY 53
4/08  61/42/52/+8/0.24/0.0/470/60         45 ESE AERO 45 SE  RMY 47 TSTM
4/09  59/39/49/+5/0.10/0.0/291/37         40 S   AERO 40 S   RMY 43
4/10  55/35/45/0/T/0.0/560/71             35 NW  AERO 32 NW  RMY 34
4/11  62/35/49/+4/T/0.0/728/92            31 NNW AERO 30 NNW RMY 31
4/12  68/46/57/+11/0.06/0.0/349/44        32 W   AERO 30 W   RMY 31
4/13  71/47/59/+13/0.00/0.0/670/84        33 S   AERO 31 S   RMY 35
4/14  50/43/47/0/0.16/0.0/000/00          19 N   AERO 18 N   RMY 18
4/15  66/43/55/+8/T/0.0/691/86            37 S   AERO 37 S   RMY 39
4/16  70/40/55/+8/0.40/0.0/314/39         42 S   AERO 53 SSW RMY 45
4/17  48/36/42/-6/0.01/T/461/57           38 N   AERO 36 N   RMY 39
4/18  55/32/44/-4/0.00/0.0/616/76         35 E   AERO 30 E   RMY 34
4/19  55/39/47/-2/0.96/0.0/…/..         55 S   AERO 53 S   RMY 58
4/20  56/37/47/-2/0.00/0.0/…/..         40 WNW AERO 37 WNW RMY 41
4/21  60/40/50/0/T/0.0/…/..             45 SSW AERO 41 SSW RMY 47
4/22  65/46/56/+6/0.00/0.0/…/..         39 WNW AERO 35 WNW RMY 39
4/23  66/40/53/+3/0.00.0.0/…/..         24 NW  AERO 22 W   RMY 25

4/24  The low since midnight is 40F, the daily normal low is 41F

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

RECORDS FOR APRIL 24
HIGH 82 IN 2001
LOW 22 IN 1930
PRECIP 2.51 INS IN 1898
SNOWFALL 1.2 INS IN 1967
PEAK GUST 59 MPH NW IN 1962

RECORDS FOR APRIL 25
HIGH 83 IN 2009
LOW 24 IN 1892
PRECIP 1.38 IN. IN 1901
SNOWFALL 0.7 IN. IN 2002
PEAK GUST 66 MPH SE IN 1968

TODAY’S REPORT PREPARED BY: Matt Douglas

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Blue Hill Observatory & Science Center · Legal

Data Use & Privacy Policy

Please read the full Policy before accessing Observatory data · Effective January 1, 2025

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Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
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