Tuesday, March 22, 2022

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

TUESDAY, MARCH 22, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0544E
SUNSET:  1759E

WALL TO WALL SUNSHINE WITH SEASONABLE TEMPERATURES, BUT A CHILLY BREEZE…

Another day with plenty of sunshine under clear skies. The only clouds
visible today are some cirrus that have been hanging around to the
distant southern semi-circle of the horizon.

Temperatures are cooler than yesterday, but generally seasonable for
this time of year with readings in the upper 40s to near 50. The dew
point however is super low for this time of year, coming in at only 9F
early this afternoon. This is giving us relative humidity values just
under 20%. As such there is a higher than normal risk for brush fires
this afternoon.

Winds have been busy once again today with an average speed around 18mph.
The peak gust through 1 P.M. is 51mph!

Visibility has been excellent all day holding at 80 miles!

The high so far today is 50F, which is 4 degrees above the normal
maximum of 46F. The low since midnight is 31F, which is 2 degrees
above the normal minimum of 29F.

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Today’s Observations:

7 A.M.
Weather: Clear, few stratocumulus distant E-SE, few cirrus distant SW-WSW
Temperature: 33F; Dew Point: 21F; Relative Humidity: 61%
Wind: WNW @ 10G22 kts
Sea-level pressure: 1017.4 mb; 30.04 in. Hg: rising, then more slowly
Visibility: 80 miles
6-hr Max temp: 40F
6-hr Min temp: 31F
24-hr Precip:  0.00 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 CLR 80 174/33/21/2910G22/004/ FEW SC DSNT E-SE
FEW CI DSNT SW-WSW/ 8/501 51017 10040 20031

10 A.M.
Weather: Clear, few cirrus distant SE-SW-WSW
Temperature: 41F; Dew Point: 9F; Relative Humidity: 26%
Wind: WNW @ 16G26 kts, peak wind WNW 31 mph at 9:04 A.M.
Sea-level pressure: 1016.8mb; 30.03 in Hg: falling, then more rapidly
Visibility: 80 miles
3-hr Precip:   0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 CLR 80 168/41/9/2916G26/003/ FEW CI DSNT SE-SW-WSW
PK WND 2927/04/ 8/001 58006

1 P.M.
Weather: Clear, few cirrus distant S-SW
Temperature: 49F, Dew point: 9F; Relative Humidity: 19%
Wind: NW @ 19G42 kts, peak wind WNW 51 mph at 12:24 P.M.
Sea-level pressure: 1015.8 mb; 30.00 in Hg: falling unsteadily
Visibility: 80 miles
6-hr Max temp: 50F
6-hr Min temp: 33F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 CLR 80 158/49/9/3119G42/000/ FEW CI DSNT S-SW
PK WND 3044/24/ 8/001 57010 10050 20033

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SUMMARY FOR MONDAY, MARCH 21, 2022

TEMPERATURE (DEGREES F)
MAX…….57     NORMAL…..45
MIN…….37     NORMAL…..28
MEAN……47     NORMAL…..37

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……..+10
TOTAL DEPARTURE FOR THE MONTH……………….+135 [+6.2 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………18  DEPARTURE…….-10
TOTAL HEATING UNITS FOR THE MONTH…………..516  DEPARTURE……-137
TOTAL HEATING UNITS FOR THE SEASON…………4599  DEPARTURE……-486
TOTAL HEATING UNITS LAST SEASON TO DATE…….4683  DEPARTURE…….-84

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….51 WNW @  1:44 P.M.
AEROVANE……………….48 WNW @  4:40 P.M.
VECTOR #2 (Instantaneous)..54     @  1:44 P.M.
DAVIS #2 ………………46 NW  @  1:44 P.M.
RMY #2 (Instantaneous)…..50 WNW @  1:44 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………………37 WNW @  4:38 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..36     @  4:42 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………36 WNW @  4:42 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..35 WNW @  4:42 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……18.0 WNW [432 total miles] VECTOR #2…………….18.2
DAVIS #2……………..18.1 NW
RMY #2……………….17.9 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…..-0.19
TOTAL PRECIPITATION FOR THE MONTH………….1.50  DEPARTURE…..-2.22
TOTAL PRECIPITATION FOR THE YEAR………….11.64  DEPARTURE…..-0.58

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……-7.8
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..70.5  DEPARTURE……+6.9

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  The low since midnight is 31F, the daily normal low is 29F

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 22
HIGH 81 IN 2012
LOW 3 IN 1885
PRE 3.48 INS. IN 2001
SNOW 8.7 INS. 1967
WIND 84e MPH E IN 1977

RECORDS FOR MARCH 23
HIGH 78 IN 1938
LOW 3 IN 1934
PRE 2.52 INS. IN 2010
SNOW 3.0 INS. IN 1977
WIND 78e MPH W IN 1940

TODAY’S REPORT PREPARED BY: Matt Douglas