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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…

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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 2, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

VERY LIGHT SNOW AND FLURRIES UNDER OVERCAST
SKIES BRING THE WEEKEND TO A CLOSE.

Although Saturday represents the fifth day in a row of below
average cold, temperatures refused to give way following
yesterday’s daytime heating and overnight cloudiness with
temperatures within a couple of degrees from the freezing
mark for most of today.

Light snow began at approximately 7:15 AM this morning,
quickly dissipating to flurries by 7:40 AM, with only a trace
of snow and liquid equivalent coating the ground by 10 AM.

By 1:00 PM the sun became visible again with layers of stratus
and nimbostratus on the decrease and revealing breaks in the
overcast overhead. Visibility has remained poor throughout
the day with light haze in most directions reducing visibility
to 30 miles by 1:00 PM. The afternoon observation also revealed
a day time maximum of 36.7F.

THE PRELIMINARY FEBRUARY 2014 STATS

[Departures are relative to the 1981-2010 averages]

TEMPERATURE: Deg. F
Avg. Max. 34.0 [-2.8] Avg. Min. 18.9 [-0.2] Mean      26.5 [-1.4] 24-hr. adjusted mean:  26.4
Max. temp: 53F on 2nd
Min. temp: 2F  on 12th
Total heating degree day units: 1074 [+37] Total seasonal heating units:   4591 [+23]  [Season starts 7/1 ] Seasonal total this date 2013:  4120 [471 more than last season]

PRECIPITATION: Inches
Total: 5.47 [+1.40] Greatest in 24 hours: N/A
Total snowfall: 33.0 [+19.1] Greatest in 24 hours: N/A

WIND
Av. speed (uncorrected): 12.2 mph
Av. speed (corrected):   12.6 mph
Prevailing direction: W 19%
Peak gust: 48 mph W on 14th and WNW on 24th

SUNSHINE
Total astronomical minutes: N/A
Total Campbell Stokes card minutes: N/A

PRELIMINARY WINTER (DEC-FEB) STATS FOR 2013-2014

[Departures are relative to the 1981-2010 averages]

TEMPERATURE: Deg. F
Avg. Max. 35.1 [-1.5] Avg. Min. 19.8 [-0.1] Mean      27.5 [-0.7] 24-hr. adjusted mean:  27.3

PRECIPITATION: Inches
Total: 15.36 [+2.05] Snowfall: 81.6 [+37.2]

BHO Snowiest Dec-Feb, inches (1885-2014)

1) 117.4 in 1947-48
2) 91.2 in 1995-96
3) 89.6 in 2010-11
4) 89.0 in 1922-23
5) 86.4 in 2004-05
6) 85.8 in 2002-03
7) 82.7 in 1903-04
8) 81.9 in 1993-94
9) 81.6 in 2013-14

BHO Snowiest Oct-Feb, inches (1885-2014)

1) 122.2 in 1947-48
2) 97.0 in 1995-96
3) 95.3 in 2002-03
4) 94.2 in 2004-05
5) 90.6 in 1922-23
6) 89.7 in 2010-11
7) 87.8 in 1945-46
8) 86.5 in 1903-04
9) 82.2 in 1993-94
10) 81.8 in 2013-14

Today’s Observations:

7 A.M.
Weather: Broken stratus, overcast stratus/nimbostratus,
snow showers distant SSW-W and N-ENE, virga distant NW
Temperature: 31F; Dew Point: 19F; Wind: W at 8 kts
Sea-level pressure: 30.04 ins. Hg, increasing, then decreasing
Visibility: 40 miles, 30 miles SS-W and 20 miles N-ENE,
reduced by distant snow showers
6-hr min temp: 31F
6-hr max temp: 31F
Snow depth: 7 inches
BHO SA 1155 E40 BKN 70 OVC 40 174/31/19/2608/004/
SNW SHWRS DSNT SSW-W AND N-ENE VIRGA DSNT NW VSBY SSW-W 30 MI
N-ENE 20 MI/ 8/62/ 4/007 50002 10031 20031

10 A.M.
Weather: Very light snow, overcast stratus/nimbostratus
Temperature: 32F Dew Point: 20F; Wind: W at 6 kts,
Sea-level pressure: 30.06 ins. Hg, increasing, then more quickly
Visibility: 30 miles, 20 miles NNE, reduced by light snow
New Snow pst 3-hrs: Trace
Liquid Water Equivalent (LWE): Trace
BHO SA 1455 E55 OVC 30S- 181/32/20/2607/006/ SNW SHWRS DSNT NNE
VSBY NNE 20 MI PRCP VRY LGT NEW SNW PST 3 HRS TRACE/
8/02/ 53007 MANUAL 6000/

1 P.M.
Weather: Scattered stratus, broken stratus/nimbostratus,
broken altocumulus
Temperature: 35F; Dew Point: 19F; Wind: W at 4 kts,
Wind: Wind light
Sea-level pressure: 30.00 Hg, falling, then more quickly
Visibility: 30 miles, 20 miles ESE-SSW, light distant haze
in all directions
6-hr max. temp: 37F
6-hr min. temp: 30F
3-hr new snow: Trace
LWE: Trace
BHO SA 1755 50 SCT E70 BKN 110 OVC- 30 158/35/19/E2804/000/
BINOVC OVHD VSBY ESE-SSW 20 MI LGT HZ ALQDS WND LGT
NEW SNW PST 3 HRS TRACE/ 8/670 58023 MANUAL 6000/ 10037 20030

WEATHER SUMMARY FOR SATURDAY, MARCH 1, 2014

TEMPERATURE (DEGREES F)
MAX…..34    NORMAL…..40
MIN…..12    NORMAL…..22
MEAN….23    NORMAL…..31

DEPARTURE FROM 30-YEAR NORMAL…………………….-8
TOTAL DEPARTURE FOR THE MONTH…………………….-8 [-8.0 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..42  DEPARTURE……….+8
TOTAL HEATING UNITS FOR THE MONTH…………..42  DEPARTURE……….+8
TOTAL HEATING UNITS FOR THE SEASON………..4633  DEPARTURE………+31
TOTAL HEATING UNITS LAST SEASON TO DATE……4149  DIFFERENCE…….+484

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………28 SSW AT   7:17 P.M.
AERO…………………..29 SSW AT   7:17 P.M.
ASOS…………………..31 S   AT   7:17 P.M.
DAVIS………………….29 S   AT   7:17 P.M.  RMY 30
FASTEST MILE FOR YESTERDAY………………..22 SSW AT   7:58 P.M. *
MAXIMUM 2-MINUTE ASOS AVERAGE……………..23 SSW AT   7:58 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….22 S   AT   7:18 P.M.
AVERAGE WIND SPEED AND DIRECTION…………10.6 S
ASOS…………………11.2
DAVIS………………..9.9 SSW [199 deg.] * LAST OF SEVERAL OCCURRENCES

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE………….-0.18
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….0.00  DEPARTURE………….-0.18
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE YEAR……….10.09  DEPARTURE………….+1.49
ASOS………….10.52

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…………..-0.5
TOTAL SNOWFALL FOR THE MONTH…………….0.0  DEPARTURE…………..-0.5
TOTAL SNOWFALL FOR THE SEASON…………..81.8  DEPARTURE………….+34.3

PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane wind recording system gust
RMY:  RMY = R.M. Young wind gust recording system added 8/9/2011
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized

2/1  45/30/38/+12/0.00/0.0/402/67         24 S   AERO 23 MPH S   RMY 25
2/2  53/33/43/+17/T/0.0/181/30            22 S   AERO 21 MPH WNW RMY 21
2/3  36/22/29/+3/0.32/2.8/000/00          22 NNE AERO 18 MPH NNE RMY 21
2/4  33/18/26/0/0.00/0.0/377/62           20 NW  AERO 16 MPH NW  RMY 17
2/5  31/21/26/0/1.32/10.7/000/00          32 ENE AERO 30 MPH ENE RMY 30
2/6  26/15/21/-5/0.02/0.4/398/65          22 WNW AERO 21 MPH WNW RMY 22
2/7  29/13/21/-6/0.00/0.0/615/100         25 W   AERO 23 MPH W   RMY 27
2/8  28/12/20/-7/0.00/0.0/612/99          24 W   AERO 23 MPH W   RMY 23
2/9  28/19/24/-3/0.05/1.0/112/18          21 N   AERO 17 MPH N   RMY 19
2/10 27/14/21/-6/T/T/617/99               28 NW  AERO 28 MPH NW  RMY 30
2/11 24/8/16/-11/0.00/0.0/625/100         22 WNW AERO 20 MPH WNW RMY 25
2/12 25/2/14/-13/0.00/0.0/509/81          25 NNW AERO 23 MPH NW  RMY 21
2/13 33/19/26/-2/1.67/5.0/000/00          46 NE  AERO 51 MPH NE  RMY 51
2/14 34/27/31/+3/0.39/0.4/348/55          48 W   AERO 51 MPH WNW RMY 49
2/15 34/27/31/+3/0.68/7.2/025/04          35 NW  AERO 35 MPH NW  RMY 48
2/16 30/18/24/-4/0.03/0.4/549/86          45 NW  AERO 46 MPH NW  RMY N/A
2/17 27/9/18/-10/0.00/0.0/635/99          38 NW  AERO 38 MPH NW  RMY 41
2/18 32/12/22/-7/0.32/4.0/000/00          27 ESE AERO 25 MPH WNW RMY 28
2/19 35/20/28/-1/0.25/0.1/168/26          21 W   AERO 20 MPH ESE RMY 26
2/20 48/30/39/+10/0.13/T/487/75           26 WNW AERO 28 MPH W   RMY 26
2/21 49/33/41/+12/0.22/0.0/000/00         32 S   AERO 35 MPH S   RMY 35  TSTM
2/22 50/33/42/+13/0.00/0.0/655/100        38 SSW AERO 39 MPH SSW RMY 42
2/23 50/36/43/+13/0.00/0.0/290/44         25 SW  AERO 27 MPH SW  RMY 29
2/24 40/20/30/0/0.00/0.0/495/75           48 WNW AERO 50 MPH WNW RMY 49
2/25 27/16/22/-8/0.00/0.0/431/65          37 W   AERO 38 MPH W   RMY 35
2/26 29/9/19/-11/T/T/180/27               30 WSW AERO 30 MPH WSW RMY 31
2/27 27/7/17/-14/0.07/1.0/…/..          44 WNW AERO 44 MPH WNW RMY 45
2/28 23/5/14/-17/0.00/0.0/…/..          36 W   AERO 37 MPH W   RMY N/A

3/1  34/12/23/-8/0.00/0.0/…/..          28 SSW AERO 29 MPH SSW RMY 30

3/2 morning low temp: 29F; the normal low is now 22F

DAILY RECORDS FOR FEBRUARY 2014
None so far.

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

RECORDS FOR MARCH 2
HIGH 63 IN 2004
LOW -3 IN 1886
PRE 2.15 INS. IN 1983
SNOW 8.2 INS. IN 2009
WIND 75 MPH NW IN 1966

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

TODAY’S REPORT PREPARED BY: Brian Fitzgerald

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Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
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