Monday, March 21, 2022

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

MONDAY, MARCH 21, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0546E
SUNSET:  1758E

WINDY AND MILD WITH A MIX OF SUN AND CLOUDS…

Plenty of sunshine today with clear skies early this morning becoming
dotted with diurnal cumulus clouds as we push through the afternoon.
Temperatures remain on the mild side with readings reaching the mid
to upper 50s, however with the gusty winds and low dewpoints in the
low to mid 20s, there is a bit of a chill in the air.

Winds have been busy today with an average speed around 16mph. The
peak gust through 1 P.M. is 43mph!

Visibility has been excellent all day holding at 80 miles!

The high so far today is 57F, which is 12 degrees above the normal
maximum of 45F. The low since midnight is 37F, which is 9 degrees
above the normal minimum of 28F.

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Today’s Observations:

7 A.M.
Weather: Clear, few cirrus NE-SE
Temperature: 39F; Dew Point: 29F; Relative Humidity: 67%
Wind: NW @ 9 kts
Sea-level pressure: 1013.7 mb; 29.94 in. Hg: rising, then more slowly
Visibility: 80 miles
6-hr Max temp: 41F
6-hr Min temp: 37F
24-hr Precip: Trace
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 CLR 80 137/39/29/3109/994/ FEW CI NE-SE/ 8/001 51028 6000/
70000 10041 20037

10 A.M.
Weather: Scattered stratocumulus
Temperature: 50F; Dew Point: 26F; Relative Humidity: 38%
Wind: WNW @ 13G22 kts
Sea-level pressure: 1013.2mb; 29.92 in Hg: rising, then falling
Visibility: 80 miles
3-hr Precip:   0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 25 SCT 80 132/50/26/3013G22/992/ 8/500 58005

1 P.M.
Weather: Broken cumulus
Temperature: 53F, Dew point: 23F; Relative Humidity: 30%
Wind: WNW @ 19G33 kts, peak wind W 43 mph at 12:00 P.M.
Sea-level pressure: 1011.4 mb; 29.87 in Hg: falling, then more rapidly
Visibility: 80 miles
6-hr Max temp: 57F
6-hr Min temp: 39F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 75 BKN 80 114/53/23/2919G33/987/ PK WND 2837/00/ 8/200
58018 10057 20039

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SUMMARY FOR SUNDAY, MARCH 20, 2022

TEMPERATURE (DEGREES F)
MAX…….62     NORMAL…..45
MIN…….42     NORMAL…..28
MEAN……52     NORMAL…..37

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……..+15
TOTAL DEPARTURE FOR THE MONTH……………….+125 [+6.1 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………13  DEPARTURE…….-16
TOTAL HEATING UNITS FOR THE MONTH…………..498  DEPARTURE……-126
TOTAL HEATING UNITS FOR THE SEASON…………4581  DEPARTURE……-475
TOTAL HEATING UNITS LAST SEASON TO DATE…….4669  DEPARTURE…….-88

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….35 NW  @ 11:14 P.M.
AEROVANE……………….35 NW  @ 11:12 P.M.
VECTOR #2 (Instantaneous)..37     @ 11:12 P.M.
DAVIS #2 ………………32 NNW @ 11:12 P.M.
RMY #2 (Instantaneous)…..36 NW  @ 11:11 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………………25 NW  @ 11:13 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..24     @  5:07 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………24 WNW @  5:07 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..24 WNW @  5:07 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……11.0 WNW [264 total miles] VECTOR #2…………….11.6
DAVIS #2……………..11.5 NW
RMY #2……………….11.5 WNW
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…..-0.19
TOTAL PRECIPITATION FOR THE MONTH………….1.50  DEPARTURE…..-2.03
TOTAL PRECIPITATION FOR THE YEAR………….11.64  DEPARTURE…..-0.39

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0  DEPARTURE……-0.5
TOTAL SNOWFALL FOR THE MONTH……………….3.9  DEPARTURE……-7.4
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..70.5  DEPARTURE……+7.3

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/…/..        27 SW  AERO 23 SW  RMY 27
3/16  56/36/46/+11/0.00/0.0/…/..        25 S   AERO 22 S   RMY 25
3/17  55/37/46/+10/0.06/0.0/…/..        23 SSW AERO 20 SSE RMY 23
3/18  73/46/60/+24/T/0.0/…/..           20 W   AERO 16 WNW RMY 21
3/19  53/42/48/+12/0.21/0.0/…/..        25 NW  AERO 20 NW  RMY 25
3/20  62/42/52/+15/0.01/0.0/…/..        35 NW  AERO 35 NW  RMY 36

3/21  The low since midnight is 37F, the daily normal low is 28F

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 21
HIGH 81 IN 1921
LOW 2 IN 1885
PRECIP 2.67 INS. IN 1974
SNOWFALL 10.6 INS. IN 1958
PEAK GUST 72 MPH NE IN 1958

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

TODAY’S REPORT PREPARED BY: Matt Douglas