Sunday, March 27, 2022

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

SUNDAY, MARCH 27, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0535E
SUNSET:  1804E

MOSTLY CLOUDY AFTER A CLEAR MORNING WITH A CHILLY
WESTERLY BREEZE….

While visibility remains around 80 miles, the sky has become
mostly cloudy. Wind has strengthened over the course of the
day, increasing to almost 20 mph for an average speed. The
highest wind gust observed so far is 29 mph. It’s quite a
cool breeze from the west as temperatures try to make their
way into the 50’s.

Some passing showers yesterday afternoon and early this morning
left 0.11 inches in the gauge. The rain deficit is still almost
2 inches.

The high so far today is 49F, which is a degree above the normal
maximum of 48F. The low since midnight is 34F, which is 4 degrees
above the normal minimum of 30F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Few cumulus and cirrostratus
Temperature: 37F; Dew Point: 32F; Relative Humidity: 82%
Wind: WNW @ 8G15 kts
Sea-level pressure: 998.5 mb; 29.49 in. Hg: rising, then more
rapidly
Visibility: 65 miles
6-hr Max temp: 37F
6-hr Min temp: 34F
24-hr Precip:  0.11 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 CLR 65 985/37/32/2908G15/949/ FEW CU/CS ALQDS/
8/105 53020 70011 10037 20034

10 A.M.
Weather: Broken cumulus and cirrus
Temperature: 43F; Dew Point: 28F; Relative Humidity: 54%
Wind: WNW @ 16G24 kts
Sea-level pressure: 998.9 mb; 29.50 in Hg: rising, then
steady
Visibility: 80 miles
3-hr Precip:   0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 45 BKN 250 BKN 80 989/43/28/3016G24/950/
8/101 51004

1 P.M.
Weather: Broken stratocumulus
Temperature: 46F, Dew point: 25F; Relative Humidity: 43%
Wind: W @ 12G25 kts
Sea-level pressure: 998.1 mb; 29.48 in Hg: falling, then more
rapidly
Visibility: 80 miles
6-hr Max temp: 49F
6-hr Min temp: 37F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 50 BKN 80 981/46/25/2712G25/948/ 8/500
58008 10049 20037

————————————————————–

SUMMARY FOR SATURDAY, MARCH 26, 2022

TEMPERATURE (DEGREES F)
MAX…….55     NORMAL…..47
MIN…….38     NORMAL…..30
MEAN……47     NORMAL…..39

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…….+8
TOTAL DEPARTURE FOR THE MONTH……………..+155 [+5.7 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………18  DEPARTURE……..-8
TOTAL HEATING UNITS FOR THE MONTH…………..631  DEPARTURE……-157
TOTAL HEATING UNITS FOR THE SEASON…………4714  DEPARTURE……-506
TOTAL HEATING UNITS LAST SEASON TO DATE…….4739  DEPARTURE…….-25

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….22 NW  @  6:12 P.M.
AEROVANE……………….18 SW  @ 10:16 P.M.
VECTOR #2 (Instantaneous)..23     @  6:12 P.M.
DAVIS #2 ………………23 S   @  1:15 P.M.
RMY #2 (Instantaneous)…..22 SW  @ 10:14 A.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………………14 SSW @ 12:56 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..15     @  3:16 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………16 S   @ 12:58 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..15 S   @  3:16 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…….8.9 WSW [213 total miles] VECTOR #2……………..9.6
DAVIS #2………………9.5 W
RMY #2………………..9.5 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…….0.11  DEPARTURE…..-0.07
TOTAL PRECIPITATION FOR THE MONTH………….2.75  DEPARTURE…..-1.88
TOTAL PRECIPITATION FOR THE YEAR………….12.89  DEPARTURE…..-0.25

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0  DEPARTURE……-0.4
TOTAL SNOWFALL FOR THE MONTH……………….3.9  DEPARTURE……-9.7
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..70.5  DEPARTURE……+5.0

PRELIMINARY CLIMATE SUMMARY FOR MARCH 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

3/01  37/15/26/-5/0.08/T/128/19           36 S   AERO 36 S   RMY 37
3/02  43/31/37/+5/0.01/0.0/609/90         29 W   AERO 25 SW  RMY 29
3/03  38/17/28/-4/0.16/T/518/76           40 NNW AERO 35 NW  RMY 40
3/04  34/10/22/-10/0.00/0.0/669/98        31 NW  AERO 28 NW  RMY 31
3/05  39/18/29/-3/0.00/0.0/508/74         24 S   AERO 21 S   RMY 25
3/06  63/35/49/+16/0.01/0.0/186/27        53 SW  AERO 53 WSW RMY 56
3/07  62/47/55/+22/0.08/0.0/035/05        59 WNW AERO 58 WNW RMY 59
3/08  47/30/39/+6/0.00/0.0/673/97         55 WNW AERO 53 WNW RMY 56
3/09  38/29/34/+1/0.36/3.3/000/00         19 NNW AERO 17 NNW RMY 20
3/10  49/26/38/+4/0.00/0.0/504/72         18 NW  AERO 16 SSW RMY 18
3/11  55/32/44/+10/0.00/0.0/640/91        27 S   AERO 25 S   RMY 27
3/12  46/20/33/-1/0.49/0.6/000/00         59 NW  AERO 60 NW  RMY 50
3/13  34/17/26/-8/0.00/0.0/666/94         54 WNW AERO 51 WNW RMY 55
3/14  52/25/39/+4/0.00/0.0/584/82         32 WNW AERO 28 W   RMY 33
3/15  62/39/51/+16/0.03/0.0/386/54        27 SW  AERO 23 SW  RMY 27
3/16  56/36/46/+11/0.00/0.0/395/55        25 S   AERO 22 S   RMY 25
3/17  55/37/46/+10/0.06/0.0/000/00        23 SSW AERO 20 SSE RMY 23
3/18  73/46/60/+24/T/0.0/542/75           20 W   AERO 16 WNW RMY 21
3/19  53/42/48/+12/0.21/0.0/000/00        25 NW  AERO 20 NW  RMY 25
3/20  62/42/52/+15/0.01/0.0/190/26        35 NW  AERO 35 NW  RMY 36
3/21  57/37/47/+10/T/0.0/…/..           51 WNW AERO 48 WNW RMY 50
3/22  50/31/41/+4/0.00/0.0/…/..         51 NW  AERO 47 NW  RMY 53
3/23  47/26/37/-1/…./0.0/…/..         20 NNW AERO 16 NNW RMY 19
3/24  42/34/38/0/…./0.0/…/..          32 ESE AERO 29 ESE RMY 34
3/25  59/35/47/+9/…./…/…/..         34 NNE AERO 32 NNE RMY 33
3/26  55/38/47/+8/…./…/…/..         22 NW  AERO 18 SW  RMY 22

3/27 The low since midnight is 34F, the daily normal low is 30F

DAILY RECORDS FOR MARCH 2022

3/07/22: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 47F,
SURPASSES PREVIOUS RECORD OF 43F SET IN 1894

3/18/22: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 73F,
SURPASSES PREVIOUS RECORD OF 72F SET IN 2012

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

RECORDS FOR MARCH 27
HIGH 78 IN 1998
LOW 12 IN 1975
PRECIP 1.05 INS. IN 1913
SNOWFALL 6.6 INS. IN 1959
PEAK GUST 62 MPH NW IN 1965, SE IN 1992

RECORDS FOR MARCH 28
HIGH 86 IN 1998
LOW 7 IN 1923
PRECIP 2.31 INS. IN 1932
SNOWFALL 5.0 INS. IN 2015
PEAK GUST 60e MPH NW IN 1944, 60 WSW IN 1991

TODAY’S REPORT PREPARED BY: Benjamin Turner