Wednesday, March 6, 2024

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

WEDNESDAY, MARCH 6, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0610E
SUNSET: 1741E

EARLY MORNING DENSE FOG BURNED OFF, BUT CLOUDY SKIES REMAIN…

Dense fog early this morning once again limited visibility to no
more than 1/16th of a mile before finally lifting during the mid
morning hours. Clouds have remained with only a little bit of very
filtered sunshine being observed at times. It was not enough to
burning the sun card however.

Temperatures are at least on the mild side with readings around 50
degrees as we move through the early afternoon hours.

Winds have been light once again today averaging only around 7mph.
The peak gust for the day so far is 18mph, occurring just after 6am
this morning.

The maximum temperature so far today is 50F degrees, which is
9 degrees above the normal high of 41F. The minimum temperature
since midnight is 39F degrees, which is 15 degrees above the normal
low of 24F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Sky obscured, vertical visibility 200ft
Temperature: 41F; Dew Point: 41F; Relative Humidity: 100%
Wind: WSW @ 7 kts
Sea-level pressure: 1018.1 mb; 30.06 in. Hg: rising, then more slowly
Visibility: 1/16 mile, fog
6-hr Max temp: 41F
6-hr Min temp: 39F
24-hr Precip: 0.11 inches
24-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1155 X W2 1/16F 181/41/41/2507/006/ 8//// 51011 6000/ 70011
10041 20039

10 A.M.
Weather: Sky obscured, vertical visibility 200ft
Temperature: 45F; Dew Point: 45F; Relative Humidity: 100%
Wind: SSW @ 4 kts, wind light
Sea-level pressure: 1018.9 mb; 30.09 in. Hg: rising, then falling
Visibility: 1/4 mile, fog
3-hr Precip: 0.00 inches
3-hr Snowfall: 0.0 inches
BHO SA 1455 X W2 1/4F 189/45/45/2104/009/ SUN DMLY VSBL WND LGT/
8//// 50008

1 P.M.
Weather: Scattered stratocumulus, overcast altostratus, fog bank
distant NNE-ENE
Temperature: 49F; Dew Point: 46F; Relative Humidity: 90%
Wind: S @ 2 kts, wind light
Sea-level pressure: 1017.6 mb; 30.05 in. Hg: falling, then more rapidly
Visibility: 20 miles, 8 miles NNE-ENE
6-hr Max temp: 50F
6-hr Min temp: 41F
6-hr Precip: 0.00 inches
6-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1755 10 SCT E160 OVC 20 176/49/46/1902/005/ F BNK DSNT NNE-ENE
VSBY 8 NNE-ENE SUN DMLY VSBL WND LGT/ 8/52/ 58013 10050 20041

————————————————————–

SUMMARY FOR TUESDAY, MARCH 5, 2024

TEMPERATURE (DEGREES F)
MAX…….42 NORMAL…..41
MIN…….36 NORMAL…..24
MEAN……39 NORMAL…..32

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………+7
TOTAL DEPARTURE FOR THE MONTH…………………..+43 [+8.4 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY……………26 DEPARTURE……..-7
TOTAL HEATING UNITS FOR THE MONTH…………..123 DEPARTURE…….-43
TOTAL HEATING UNITS FOR THE SEASON…………4011 DEPARTURE……-587
TOTAL HEATING UNITS LAST SEASON TO DATE…….3872 DEPARTURE……+139

PEAK WIND GUST (MPH):
Note: Instruments designated #1 = Main Tower, #2 = South Tower,
F420C, Contacting, Merlin, and Richards are all Main Tower.
E=Estimated

F420C (Official)……….E21 E @ 08:53 P.M.
VECTOR #1 (1-Sec)……….21 E @ 08:53 P.M.
VECTOR #2 (1-Sec)……….20 SSE @ 09:29 P.M.
DAVIS #1……………….21 S @ 09:30 P.M.
DAVIS #2 ………………25 S @ 09:30 P.M.
RMY #1 (Instantaneous)…..21 E @ 08:49 P.M.
RMY #2 (Instantaneous)…..21 SSE @ 09:29 P.M.
MERLIN…………………18 ESE
RICHARDS (C5C) (Inst)……19 @ 08:49 P.M.

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………18 E @ 08:54 P.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..18 @ 08:54 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..17 @ 08:50 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………18 E @ 08:54 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………17 E @ 08:50 P.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..17 E @ 08:49 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..17 E @ 08:50 P.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………17 @ 08:54 P.M.

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL…….7.5 ENE [179 total miles] VECTOR #1……………..7.5
VECTOR #2……………..8.1
DAVIS #1………………7.9 E
DAVIS #2………………7.7 E
RMY #1………………..7.6 ENE
RMY #2………………..8.0 ENE
RICHARDS (C5C)…………8.2

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.11 DEPARTURE…..-0.06
TOTAL PRECIPITATION FOR THE MONTH…………..1.55 DEPARTURE…..+0.69
TOTAL PRECIPITATION FOR THE YEAR (2024)…….12.11 DEPARTURE…..+2.75

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.6
TOTAL SNOWFALL FOR THE MONTH………………..0.0 DEPARTURE……-3.2
TOTAL SNOWFALL FOR THE SEASON (2023-2024)……26.1 DEPARTURE…..-29.0

————————————————————–

PRELIMINARY CLIMATE SUMMARY FOR MARCH CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN)/SUN(%)/PEAK GUST/VEC1/RMY GUST
PEAK GUST: F420C (Official)
VEC1: Vector #1 1-second gust
RMY: R.M. Young #1 wind gust recording system (Instantaneous)
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M: Missing data
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)

3/1 41/18/30/-1/0.00/0.0/…/.. 30 NW VEC1 30 WNW RMY 33
3/2 50/32/41/+9/1.16/0.0/…/.. 44 SSE VEC1 46 SE RMY 42
3/3 55/42/49/+17/0.24/0.0/…/.. 32 SSE VEC1 33 SSE RMY 32
3/4 49/36/43/+11/0.01/0.0/…/.. 24 ENE VEC1 22 ENE RMY 23
3/5 42/36/39/+7/0.14/0.0/…/.. 21 E VEC1 21 E RMY 21

3/6 The low since midnight is 39F, the daily normal low is 24F.

————————————————————–

MARCH DAILY RECORDS TO DATE

NONE…

————————————————————–

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

RECORDS FOR MARCH 6
HIGH 66 IN 1894
LOW 3 IN 1948, 2007
PRECIP 1.85 INS. IN 2001
SNOWFALL 15.5 INS. IN 2001
PEAK GUST 82 MPH S IN 1959

RECORDS FOR MARCH 7
HIGH 66 IN 1946
LOW -1 IN 1890
PRECIP 2.05 INS. IN 1967
SNOWFALL 11.5 INS. IN 2013
PEAK GUST 66 MPH NE IN 1962

TODAY’S REPORT PREPARED BY: Matt Douglas