Thursday, March 24, 2022

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

THURSDAY, MARCH 24, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0540E
SUNSET:  1801E

FOGGY WITH A STEADY, LIGHT RAIN ON THE SUMMIT….

Today was overcast and foggy with a light rain throughout.
Fog limited visibility to a mile, and the event rain total
is 0.56 inches. Wind is southeasterly with a speed around
10 mph and a max gust of almost 30 mph this morning.

Rain is necessary as our monthly total of 1.88 inches is
2.22 inches below normal.

The high so far today is 40F, which is 7 degrees below the normal
maximum of 47F. The low since midnight is 34F, which is 5 degrees
above the normal minimum of 29F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Light rain, overcast stratus
Temperature: 35F; Dew Point: 35F; Relative Humidity: 100%
Wind: ESE @ 14G21 kts
Sea-level pressure: 1021.2 mb; 30.16 in. Hg: rising, then
falling
Visibility: 1 mile, fog
6-hr Max temp: 36F
6-hr Min temp: 34F
24-hr Precip:  0.38 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 20 OVC 1R-F 212/35/35/1114G21/016/ 8/6//
70038 58006 10036 20034

10 A.M.
Weather: Light rain, overcast stratus
Temperature: 37F; Dew Point: 37F; Relative Humidity: 100%
Wind: SE @ 7 kts
Sea-level pressure: 1020.5 mb; 30.14 in Hg: falling, then
more rapidly
Visibility: 1 mile, fog
3-hr Precip:   0.13 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 20 OVC 1R-F 205/37/37/1307/014/ 8/6// 55007
6013/

1 P.M.
Weather: Light rain, overcast stratus
Temperature: 39F, Dew point: 39F; Relative Humidity: 100%
Wind: ESE @ 8G15 kts
Sea-level pressure: 1017.4 mb; 30.05 in Hg: falling then
more rapidly
Visibility: 1 mile, fog
6-hr Max temp: 40F
6-hr Min temp: 35F
6-hr Precip:  0.18 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 20 OVC 1R-F 174/39/39/1108G15/005/ 8/6// 58031
6018/ 10040 20035

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SUMMARY FOR WEDNESDAY, MARCH 23, 2022

TEMPERATURE (DEGREES F)
MAX…….47     NORMAL…..46
MIN…….26     NORMAL…..29
MEAN……37     NORMAL…..38

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……..-1
TOTAL DEPARTURE FOR THE MONTH……………….+138 [+5.8 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………28  DEPARTURE…….+1
TOTAL HEATING UNITS FOR THE MONTH…………..568  DEPARTURE……-140
TOTAL HEATING UNITS FOR THE SEASON…………4651  DEPARTURE……-489
TOTAL HEATING UNITS LAST SEASON TO DATE…….4712  DEPARTURE…….-61

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….20 NNW @ 12:22 A.M.
AEROVANE……………….16 NNW @ 12:22 A.M.
VECTOR #2 (Instantaneous)..20     @ 12:22 A.M.
DAVIS #2 ………………17 NNW @ 12:22 A.M.
RMY #2 (Instantaneous)…..19 NNW @ 12:22 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………………13 NW @ 4:29 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..14    @ 4:28 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………14 NW @ 4:30 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..14 NW @ 4:29 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……7.3 SE [175 total miles] VECTOR #2…………….7.9
DAVIS #2……………..7.7 ENE
RMY #2……………….7.8 ENE
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…….0.38  DEPARTURE…..+0.19
TOTAL PRECIPITATION FOR THE MONTH………….1.88  DEPARTURE…..-2.22
TOTAL PRECIPITATION FOR THE YEAR………….12.02  DEPARTURE…..-0.58

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0  DEPARTURE……-0.3
TOTAL SNOWFALL FOR THE MONTH……………….3.9  DEPARTURE……-8.6
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..70.5  DEPARTURE……+6.1

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/…./…/…/..         20 NNW AERO 16 NNW RMY 19

3/24  The low since midnight is 34F, 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 24
HIGH 70 IN 1920
LOW 6 IN 1906
PRECIP 1.51 INS. IN 1956
SNOWFALL 12.3 INS. IN 1956
PEAK GUST 71 MPH W IN 1968

RECORDS FOR MARCH 25
HIGH 76 IN 1910
LOW 8 IN 1888, 1956
PRECIP 1.84 INS. IN 1909
SNOWFALL 1.8 INS. IN 2018
PEAK GUST 69 MPH SE IN 1969

TODAY’S REPORT PREPARED BY: Benjamin Turner