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Sunday, March 3, 2019

March 3, 2019

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, MARCH…

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, MARCH 3, 2019
ALL TIMES ARE IN EASTERN STANDARD TIME

SKY CLEARS AND ALLOWS FOR SOME SUN THROUGH THE
MORNING; CLOUD COVER INCREASES IN THE AFTERNOON….

Clouds broke up early this morning allowing for a mostly
clear sky until the afternoon. Humidity has been decreasing
throughout the day, leaving for decently good visibility,
besides some haze at each observation. Yesterday’s storm
totaled 4.2″ of snow, and with temperatures above freezing,
an inch has already melted by the 1 o’clock observation
today, leaving about 3.2″ behind. Pressure increased
overnight and through the morning until just after 10 A.M.
when it started to decrease, and it has been decreasing
since then. Wind speeds have decreased since yesterday,
only reaching a maximum speed so far today of 13 knots.
Our high temperature so far today is 40F, and our low
temperature since midnight is 25F. With another snow
storm in the forecast for tonight, cloud cover has been
increasing since the 7 o’clock observation this morning.

PRELIMINARY STATS FOR FEBRUARY 2019

TEMPERATURE, Deg. F
Avg. Max. 37.3 [+0.5] Avg. Min. 21.6 [-2.5] Mean      29.5 [+1.6] 24-hour corrected mean: 29.2
Max. for month: 62F on the 5th
Min. for month: 5F  on the 1st

HEATING DEGREE DAYS
Total heating units:    990 [-47] Total for the season:  4486 [-82] Total for last season: 4122

PRECIPITATION, Inches
Total: 3.61 [-0.46] Greatest in 24 hrs: N/A

SNOWFALL, Inches
Total: 12.1 [-1.8] Greatest in 24 hrs: N/A

WIND, mph
Avg. uncorrected wind speed: 12.9
Avg. corrected wind speed: 13.3
Prevailing wind direction: WNW at 22%
Peak gust and direction: 66 W on 25th

SUNSHINE:
Campbell-Stokes card minutes: N/A
Astronomical total minutes:   N/A

Today’s Observations:

7 A.M.
Weather: Scattered altocumulus, scattered cirrus
Temperature: 27F; Dew Point: 25F; Wind: WNW at 8 kts
Sea-level pressure: 30.10 ins. Hg, rising, then more quickly
Visibility: 70 miles, distant fog in all directions
6-hr Max temp: 28F
6-hr Min temp: 25F
24-hr Precip:  0.44 ins.
24-hr snowfall: 3.7
Snow depth: 4 in.
BHO SA 1155 80 SCT 220 SCT 70 192/27/25/2908/010/ DSNT HZ ALQDS/
8/052 4/004 53018 70044 10028 20025

10 A.M.
Weather: Scattered cumulus, scattered cirrus
Temperature: 36F; Dew Point: 25F; Wind: NW at 7 kts
Sea-level pressure: 30.13 ins. Hg, increasing then steady
Visibility: 70 miles, distant haze in all directions
3-hr Precip: 0.00 ins.
BHO SA 1455 40 SCT 210 SCT 70 204/36/25/3107/013/ DSNT HZ ALQDS/
8/102 51012

1 P.M.
Weather: Broken stratocumulus
Temperature: 38F; Dew Point: 23F; Wind: light and variable
Sea-level pressure: 30.09 ins. Hg, falling, then more quickly
Visibility: 70 miles, distant haze in all directions
6-hr Max temp: 40F
6-hr Min temp: 27F
6-hr Precip:  0.00 ins.
6-hr snowfall: 0.0 ins.
Snow depth: 3 ins.
BHO SA 1755 E40 BKN 70 190/38/23/0000/009/ DSNT HZ ALQDS WND L/V/
8/400 4/003 58014 10040 20027

SUMMARY FOR SATURDAY, MARCH 2, 2019

TEMPERATURE (DEGREES F)
MAX…..31   NORMAL…..41
MIN…..27   NORMAL…..23
MEAN….29   NORMAL…..32

DEPARTURE FROM 30-YEAR NORMAL……………………-3
TOTAL DEPARTURE FOR THE MONTH……………………-2 [-2.3 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..36   DEPARTURE………+3
TOTAL HEATING UNITS FOR THE MONTH…………..73   DEPARTURE………+6
TOTAL HEATING UNITS FOR THE SEASON………..4559   DEPARTURE……..-76
TOTAL HEATING UNITS LAST SEASON TO DATE……4167   DIFFERENCE……+392

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………..29 NNE AT  12:14 P.M.
AERO…………………….22 NNE AT  11:57 A.M.
ASOS…………………….29 N   AT  11:59 A.M.
DAVIS……………………28 NNE AT  11:58 A.M. RMY 30
FASTEST MILE FOR YESTERDAY………………….19 NNE AT  11:51 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………….18 N   AT  11:53 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE………………19 NNE AT  11:13 A.M.
AVERAGE WIND SPEED AND DIRECTION……………9.3 NNW
ASOS……………………9.6
DAVIS…………………..9.1 NNE [18 deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.44  DEPARTURE…….+0.27
ASOS…………..0.44
TOTAL PRECIPITATION FOR THE MONTH……….0.50  DEPARTURE…….+0.15
ASOS…………..0.50
TOTAL PRECIPITATION FOR THE YEAR………..9.44  DEPARTURE…….+0.67
ASOS…………..9.55

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….3.7  DEPARTURE……..+3.2
TOTAL SNOWFALL FOR THE MONTH…………….4.2  DEPARTURE……..+3.2
TOTAL SNOWFALL FOR THE SEASON…………..28.7  DEPARTURE…….-19.3

PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 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

02/01 19/5/12/-14/0.00/0.0/552/95          29 W   AERO 28 W   RMY N/A
02/02 30/7/19/-7/0.00/0.0/318/55           32 WSW AERO 32 WSW RMY 31
02/03 38/27/33/+7/0.00/0.0/126/22          26 S   AERO 25 S   RMY N/A
02/04 59/33/46/+20/0.00/0.0/540/93         25 SSW AERO 28 SSW RMY N/A
02/05 62/39/51/+25/0.00/0.0/354/60         30 WNW AERO 29 WNW RMY 32
02/06 39/28/34/+8/…./…/396/67          24 NNW AERO 23 NNW RMY N/A
02/07 37/31/34/+7/…./…/000/00          28 ENE AERO 24 ENE RMY 28
02/08 51/27/39/+12/…./…/204/34         46 W   AERO 46 WNW RMY 51
02/09 32/20/26/-1/0.00/0.0/594/100         50 WNW AERO 52 WNW RMY 52
02/10 33/18/26/-1/0.00/0.0/510/85          24 WNW AERO 23 WNW RMY 25
02/11 34/21/28/+1/0.00/0.0/318/53          24 NNW AERO 23 NNW RMY 25
02/12 33/13/23/-4/…./2.8/000/00          32 E   AERO 30 E   RMY 26
02/13 39/29/34/+6/…./0.1/018/03          36 W   AERO 32 W   RMY 36
02/14 37/26/32/+4/0.00/0.0/594/97          44 WNW AERO 42 WNW RMY 45
02/15 49/29/39/+11/0.11/0.0/060/10         40 S   AERO 40 S   RMY 44
02/16 44/26/35/+7/0.00/0.0/504/82          25 NW  AERO 25 NW  RMY N/A
02/17 37/19/28/0/…./…/618/100          30 NNW AERO 25 NNW RMY N/A
02/18 30/16/23/-6/…./…/000/00          35 NW  AERO 36 NW  RMY 41
02/19 30/10/20/-9/0.00/0.0/618/99          35 NW  AERO 33 NW  RMY N/A
02/20 26/12/19/-10/…./…/000/00         16 WNW AERO 14 SSW RMY N/A
02/21 43/21/32/+3/…./…/294/47          36 W   AERO 33 W   RMY 38
02/22 43/30/37/+8/…./0.0/504/80          22 NW  AERO 21 NW  RMY 23
02/23 38/24/31/+1/0.00/0.0/336/53          18 NNW AERO 16 NNW RMY N/A
02/24 45/30/38/+8/…./…/000/00          41 W   AERO 37 W   RMY 47
02/25 37/25/31/+1/…./…/…/..          66 W   AERO 59 W   RMY M
02/26 29/14/22/-8/0.00/0.0/…/..          46 WNW AERO 39 WNW RMY 47
02/27 22/9/16/-15/…./…/…/..          35 WNW AERO 26 WNW RMY N/A
02/28 28/15/22/-9/…./…/…/..          22 NW  AERO 18 NW  RMY 22

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

03/01 38/17/28/-3/…./…/..              16 NNW AERO 13 NNW RMY 22
03/02 31/27/29/-2/…./…/..    29 NNE AERO 22 NNE RMY 30

03/03 Low temp since midnight is 25F; normal low is 23F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR MARCH 3
HIGH 64 IN 1991
LOW -1 IN 1950
PRECIP 2.36 INS. IN 1972
SNOWFALL 12.8 INS. IN 1960
PEAK GUST 78e MPH E IN 1942

RECORDS FOR MARCH 4
HIGH 69 IN 1974
LOW -5 IN 1950
PRECIP 1.80 IN 1960
SNOWFALL 17.3 IN 1960
PEAK GUST 81e MPH SSW IN 1971

TODAY’S REPORT PREPARED BY: Samantha Richard

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Blue Hill Observatory & Science Center · Legal

Data Use & Privacy Policy

Please read the full Policy before accessing Observatory data · Effective January 1, 2025

Notice: By accessing, downloading, or using any Blue Hill Observatory data or services, you unconditionally accept and agree to be bound by this Policy in its entirety. If you do not agree, you may not access or use Observatory data.
Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
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