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Thursday, February 16, 2017

February 16, 2017

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

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

DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, FEBRUARY 16, 2017
ALL TIMES ARE IN EASTERN STANDARD TIME

AFTERNOON WINDS GUSTING OVER 30 MPH

Windy conditions have returned today as low pressure
moves north.  The system brought 2.8 inches of snowfall
and 0.34 inches of precip., adding to our already above
normal levels.  Winds out of the northwest picked up
this afternoon and are gusting over 30 MPH.

Yesterday’s average temperature was above normal for the
first time in almost a week.  Overnight temps. dropped to
just 28F this morning, 9F above normal, but the max. of
33F by 1:00PM  is still 4F below normal.

Today’s Observations:

7 A.M.
Weather: Light snow, fog, broken stratus
Temperature: 28F; Dew Point: 27F; Wind: NW at 11G20 kts
Sea-level pressure: 29.35 ins. Hg, rising, then more quickly
Visibility: 4 miles
6-hr Max temp: 31F
6-hr Min temp: 28F
24-hr precip: 0.34 in.
24-hr snowfall: 2.8 in.
BHO SA 1155 E39 BKN 4S-F 939/28/27/3111G20/935/ NEW SNW PST 24 HRS 2.8 INS/
8/6// 4/015 53025 MANUAL 70034 ASOS 70035 10031 20028

10 A.M.
Weather: Broken stratocumulus, broken stratus
Temperature: 30F; Dew Point: 27F; Wind: WNW at 13G19 kts
Sea-level pressure: 29.39 ins. Hg, rising, then steady
Visibility: 30 miles, except 40 miles SE-SSW
3-hr precip: Trace
3-hr snowfall: Trace
BHO SA 1455 E12 BKN 26 BKN 30 953/30/27/2913G19/939/ VSBY SE-SSW 40
NEW SNW PST 3 HRS TRACE/ 8/600 51014 MANUAL 600// ASOS 60001

1 P.M.
Weather: Broken stratocumulus, broken stratus
Temperature: 32F; Dew Point: 26F; Wind: NW at 18G26 kts,
Peak Wind: 29 kts (33 MPH) WNW at 12:36PM
Sea-level pressure: 29.40 ins. Hg, rising then falling
Visibility: 30 miles, except 40 miles SSE-SSW
6-hr precip: Trace
6-hr snowfall: Trace
BHO SA 1755 E27 BKN 37 BKN 30 955/32/26/3118G26/940/ VSBY SSE-SSW 40
PK WND 3029/36NEW SNW PST 6 HRS TRACE/ 8/600 4/014 50002 10033 20028

SUMMARY FOR WEDNESDAY, FEBRUARY 15, 2017

TEMPERATURE (DEGREES F)
MAX…..40   NORMAL…..37
MIN…..25   NORMAL…..19
MEAN….33   NORMAL…..28

DEPARTURE FROM 30-YEAR NORMAL…………………….+5
TOTAL DEPARTURE FOR THE MONTH……………………+17 [+0.9 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..32   DEPARTURE……….-5
TOTAL HEATING UNITS FOR THE MONTH………….556   DEPARTURE………-18
TOTAL HEATING UNITS FOR THE SEASON………..3583   DEPARTURE……..-522
TOTAL HEATING UNITS LAST SEASON TO DATE……3318   DIFFERENCE…….+265

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….31 SE  AT 11:24 A.M.
AERO……………………33 NW  AT 11:33 P.M.
ASOS……………………31 NW  AT 11:39 P.M.
DAVIS…………………..29 SSE AT 11:23 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY…………………22 SE  AT 11:21 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………24 NW  AT 11:34 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..21 NW  AT 11:34 P.M.
AVERAGE WIND SPEED AND DIRECTION………….13.3 SSE
ASOS………………….13.1
DAVIS…………………11.1 S [180 deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.34  DEPARTURE……+0.19
ASOS…………..0.35
TOTAL PRECIPITATION FOR THE MONTH……….3.63  DEPARTURE……+1.56
ASOS…………….NA
TOTAL PRECIPITATION FOR THE YEAR………..9.13  DEPARTURE……+2.71
ASOS…………….NA

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….2.8  DEPARTURE…….+2.3
TOTAL SNOWFALL FOR THE MONTH……………31.5  DEPARTURE……+24.1
TOTAL SNOWFALL FOR THE SEASON…………..52.3  DEPARTURE……+11.8

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

2/1   40/25/33/+7/0.03/0.4/…/..           43 W   AERO 44 W   RMY 47
2/2   38/25/32/+6/T/T/…/..                36 WNW AERO 37 WNW RMY 36
2/3   30/19/25/-1/0.00/0.0/…/..           28 WNW AERO 29 WNW RMY 31
2/4   31/15/23/-3/0.00/0.0/…/..           31 WNW AERO 30 WNW RMY N/A
2/5   43/22/33/+7/0.00/0.0/…/..           38 SSW AERO 41 SSW RMY N/A
2/6   37/28/33/+7/0.00/0.0/…/..           41 WNW AERO 41 WNW RMY 43
2/7   37/30/34/+7/0.54/0.7/…/..           32 ENE AERO 31 ENE RMY 32
2/8   49/25/37/+10/T/0.0/…/..             25 W   AERO 25 W   RMY 31
2/9   35/8/22/-5/1.60/16.9/…/..           54 NNE AERO 53 NNE RMY 54
2/10  24/7/16/-11/T/T/…/..                43 WNW AERO 50 WNW RMY 48
2/11  27/15/21/-6/0.14/2.9/…/..           21 SE  AERO 20 SE  RMY 19
2/12  32/17/25/-2/0.71/5.6/…/..           22 ENE AERO 28 ENE RMY N/A
2/13  32/20/26/-2/0.27/2.2/…/..           48 NW  AERO 60 NW  RMY 61
2/14  35/16/26/-2/0.00/0.0/…/..           23 NW  AERO 24 NW  RMY 24
2/15  40/25/33/+5/…./…/…/..           31 SE  AERO 33 NW  RMY N/A

2/16  Low temp since midnight is 28F; normal low is now 19F

DAILY RECORDS FOR FEBRUARY 2017

2/09/17: NEW DAILY RECORD MAXIMUM SNOWFALL OF 16.9 INS.
PREVIOUS RECORD WAS 14.0 INS. SET IN 2015

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

RECORDS FOR FEBRUARY 16
HIGH 62F IN 1954
LOW -16F IN 1943
PRECIP 1.91 INCHES IN 1958
SNOWFALL 18.6 INCHES IN 1958
PEAK GUST 78 MPH W IN 1967

RECORDS FOR FEBRUARY 17
HIGH 61F IN 1981
LOW -16F IN 1896
PRECIP 1.86 INCHES IN 2003
SNOWFALL 20.0 INCHES IN 2003
PEAK GUST 72 MPH NW IN 1968

TODAY’S REPORT PREPARED BY: Cecilia Borries-Strigle

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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
Part I — Data Use Policy
§ 01

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Effective January 1, 2025 · Blue Hill Observatory & Science Center · Milton, Massachusetts
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