Saturday, March 30, 2024
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, MARCH 30, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0529E
SUNSET: 1808E
A BIT WINDY, BUT SUNNY AND DRY…
Skies have been mostly clear throughout the day today, save a few
distant stratocumulus and cirrus. Following the active stretch we have
been in for the past several days, a dry and sunny day like today is
always appreciated.
The abundant sunshine has allowed us to climb nicely in regard to
temperature. Beginning in the mid 30s this morning, we have made
it into the low 50s by early afternoon.
Winds have been quite busy up here today! Our average speed to this point
is 18mph, primarily out of the west-northwest. The peak gust of around
45mph took place a bit before 8am.
As the air is dry, visibility has been great today, rising from 60 to
80 miles. That said, standing on the roof to enjoy the view is a below
average experience due to those gusty winds.
The maximum temperature so far today is 52F degrees, which is 3
degrees above the normal high of 49F. The minimum temperature since
midnight is 34F degrees, which is 3 degrees above the normal low of
31F.
It should come as no surprise that March has been quite wet!
As of 7am this morning, we have received 9.49″ for the month to date.
This places us at the 6th wettest March on record. See below for the
rankings as compiled by our Chief Scientist, Mike Iacono.
BHO Highest March Precipitation, inches (1886-2024):
1) 18.81 in 2010
2) 13.07 in 2001
3) 10.96 in 1968
4) 10.02 in 1983
5) 9.53 in 1953
6) 9.49 in 2024 (through 3/30)
7) 9.00 in 1984
8) 8.72 in 1993
9) 8.68 in 2018
10) 8.09 in 1956
Despite a February that was quite dry, the combination of a wet January
and March have also placed us within the top 10 for wettest Jan-Mar
periods. With a total of 20.05″ since January 1st as of 7am this morning,
this lands us in 6th place for record wettest January-March.
Below are the rankings, again compiled by our Chief Scientist, Mike Iacono.
BHO Highest Jan-Mar Precipitation, inches (1886-2024):
1) 27.91 in 2010
2) 23.18 in 1956
3) 21.70 in 1983
4) 21.21 in 1958
5) 21.03 in 1953
6) 20.05 in 2024 (through 3/30)
7) 20.00 in 1998
8) 19.70 in 1936
9) 19.61 in 1984
10) 19.53 in 1999
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Today’s Observations:
7 A.M.
Weather: Clear, few stratocumulus all quadrants,
few cirrus distant NNW-E
Temperature: 36F; Dew Point: 23F; Relative Humidity: 58%
Wind: NW @ 16G32 kts, peak wind 38mph WNW @ 6:42am
Sea-level pressure: 1002.9 mb; 29.62 in. Hg: rising unsteadily
Visibility: 60 miles
6-hr Max temp: 36F
6-hr Min temp: 34F
24-hr Precip: 0.06 inches
24-hr Snowfall: Trace
Snow Depth: 0 inches
BHO SA 1155 CLR 60 029/36/23/3116G32/962/ FEW SC ALQDS
FEW CI DSNT NNW-E PK WND 3033/42/ TOTAL NEW SNW PAST 24 HRS TRACE/
8/501 52012 70006 10036 20034
10 A.M.
Weather: Clear, few stratocumulus distant all quadrants,
few cirrus distant N-E
Temperature: 44F; Dew Point: 23F; Relative Humidity: 44%
Wind: NW @ 18G24 kts, peak wind 36mph NW @ 9:23am
Sea-level pressure: 1003.8 mb; 29.64 in. Hg: rising unsteadily
Visibility: 70 miles
3-hr Precip: 0.00 inches
3-hr Snowfall: 0.0 inches
BHO SA 1455 CLR 70 038/44/23/3018G24/964/ FEW SC DSNT ALQDS
FEW CI DSNT N-E PK WND 3131/23/ 8/501 52009
1 P.M.
Weather: Clear, few cirrus distant SSE-WSW
Temperature: 52F; Dew Point: 30F; Relative Humidity: 42%
Wind: WNW @ 17G28 kts, peak wind 39mph WNW @ 12:41pm
Sea-level pressure: 1003.5 mb; 29.63 in. Hg: falling, then steady
Visibility: 80 miles
6-hr Max temp: 52F
6-hr Min temp: 36F
6-hr Precip: 0.00 inches
6-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1755 CLR 80 035/52/30/2917G28/963/ FEW CI DSNT SSE-WSW
PK WND 2934/41/ 8/001 56003 10052 20036
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SUMMARY FOR FRIDAY, MARCH 29, 2024
TEMPERATURE (DEGREES F)
MAX…….50 NORMAL…..48
MIN…….34 NORMAL…..31
MEAN……42 NORMAL…..40
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………+2
TOTAL DEPARTURE FOR THE MONTH………………….+146 [+4.8 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY……………23 DEPARTURE……..-2
TOTAL HEATING UNITS FOR THE MONTH…………..717 DEPARTURE……-148
TOTAL HEATING UNITS FOR THE SEASON…………4605 DEPARTURE……-692
TOTAL HEATING UNITS LAST SEASON TO DATE…….4475 DEPARTURE……+130
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)……….E48 NW @ 04:24 P.M.
VECTOR #1 (1-Sec)……….48 NW @ 07:31 P.M.
VECTOR #2 (1-Sec)……….54 WNW @ 07:31 P.M.
DAVIS #1……………….46 NW @ 04:24 P.M.
DAVIS #2 ………………49 NW @ 04:24 P.M.
RMY #1 (Instantaneous)…..52 NW @ 04:24 P.M.
RMY #2 (Instantaneous)…..54 NW @ 04:24 P.M.
MERLIN…………………47 NW
RICHARDS (C5C) (Inst)……49 @ 07:31 P.M.
FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………32 NW @ 04:25 P.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..31 @ 04:24 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..34 @ 04:24 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………32 WNW @ 04:24 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………34 NW @ 07:33 P.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..30 NW @ 04:24 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..33 NW @ 04:24 P.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………31 @ 04:24 P.M.
AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……18.7 NNW [449 total miles]
VECTOR #1…………….17.6
VECTOR #2…………….19.0
DAVIS #1……………..18.2 NW
DAVIS #2……………..18.5 NNW
RMY #1……………….17.1 NW
RMY #2……………….18.4 NW
RICHARDS (C5C)………..17.9
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.06 DEPARTURE…..-0.11
TOTAL PRECIPITATION FOR THE MONTH…………..9.49 DEPARTURE…..+4.31
TOTAL PRECIPITATION FOR THE YEAR (2024)…….20.05 DEPARTURE…..+6.37
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………TRACE DEPARTURE……-0.3
TOTAL SNOWFALL FOR THE MONTH………………TRACE DEPARTURE…..-14.5
TOTAL SNOWFALL FOR THE SEASON (2023-2024)……26.1 DEPARTURE…..-40.3
————————————————————–
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/-1/0.00/0.0/649/96 30 NW VEC1 30 WNW RMY 33
3/2 50/32/41/+9/1.16/0.0/000/00 44 SSE VEC1 46 SE RMY 42
3/3 55/42/49/+17/0.24/0.0/130/19 32 SSE VEC1 33 SSE RMY 32
3/4 49/36/43/+11/0.01/0.0/116/17 24 ENE VEC1 22 ENE RMY 23
3/5 42/36/39/+7/0.14/0.0/000/00 21 E VEC1 21 E RMY 21
3/6 51/39/45/+12/0.44/0.0/000/00 28 NE VEC1 28 NE RMY 29
3/7 42/37/40/+7/1.06/0.0/000/00 44 NNE VEC1 44 NNE RMY 42
3/8 45/32/39/+6/0.00/0.0/682/98 35 NNE VEC1 36 NNE RMY 38
3/9 40/32/36/+3/0.21/0.0/000/00 32 E VEC1 32 E RMY 31
3/10 51/36/44/+10/1.07/0.0/245/35 45 WNW VEC1 46 SE RMY 45
3/11 43/30/37/+3/T/T/515/73 53 NW VEC1 54 NW RMY 58
3/12 54/33/44/+10/0.00/0.0/680/96 43 NW VEC1 41 NW RMY 45
3/13 54/33/44/+10/0.00/0.0/667/94 26 SSE VEC1 25 NNW RMY 25
3/14 58/36/47/+12/0.00/0.0/627/88 23 ENE VEC1 22 NE RMY 21
3/15 44/37/41/+6/0.02/0.0/000/00 24 N VEC1 23 NNW RMY 25
3/16 58/36/47/+12/0.00/0.0/510/71 29 S VEC1 26 S RMY 26
3/17 59/40/50/+14/0.04/0.0/390/54 38 NW VEC1 38 NW RMY 40
3/18 49/33/41/+5/0.00/0.0/558/77 38 W VEC1 37 W RMY 38
3/19 46/30/38/+2/0.00/0.0/575/79 44 NW VEC1 43 NW RMY 46
3/20 51/29/40/+3/0.11/T/190/26 50 WNW VEC1 50 WNW RMY 51
3/21 38/24/31/-6/T/T/704/96 53 WNW VEC1 53 WNW RMY 52
3/22 40/21/31/-6/T/T/427/58 29 WNW VEC1 29 WNW RMY 32
3/23 44/30/37/-1/2.49/T/000/00 48 NNW VEC1 47 NNW RMY 51
3/24 41/23/32/-6/0.00/0.0/460/62 38 NNW VEC1 39 NNW RMY 42
3/25 39/31/25/-3/0.00/0.0/343/46 41 ENE VEC1 41 NE RMY 40
3/26 36/32/34/-5/0.15/0.0/000/00 38 NE VEC1 38 NE RMY 39
3/27 53/36/45/+6/0.10/0.0/038/05 23 NE VEC1 24 NE RMY 23
3/28 49/42/46/+7/1.72/0.0/000/00 23 NNW VEC1 23 NNW RMY 22
3/29 50/34/42/+2/0.54/T/…/.. 48 NW VEC1 48 NW RMY 52
3/30 The low since midnight is 34F, the daily normal low is 31F.
————————————————————–
MARCH DAILY RECORDS TO DATE
NONE…
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DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR MARCH 30
HIGH 83 IN 1977
LOW 10 IN 1887
PRECIP 2.92 INS. IN 2010
SNOWFALL 3.9 INS. IN 1957
PEAK GUST 60 MPH NW IN 1999
RECORDS FOR MARCH 31
HIGH 89 IN 1998 [RECORD HIGH FOR MONTH]
LOW 16 IN 1923
PRECIP 2.89 IN 1987
SNOWFALL 15.0 IN 1997
PEAK GUST 81 MPH SSE IN 1987
TODAY’S REPORT PREPARED BY: Joshua Polen
