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Thursday, February 15, 2018

February 15, 2018

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 15, 2018
ALL TIMES ARE IN EASTERN STANDARD TIME

ABOVE SEASONABLE TEMPERATURES BUT FOGGY,
DRIZZLY, OVERCAST DAY…

With winds from the south temperatures continue
to be above seasonable today with a high of 44F
by 1:00 P.M. This is 7 degrees above the daily
normal of 37F. Since midnight today we have had
a low so far of 35F. This is 16 degrees above
the daily normal of 19F. Yesterday we reached a
maximum of 46F, this is 9 degrees above the daily
normal. Wind today so far has been lighter than
yesterday.
With low pressure today, skies have been overcast.
Conditions have been foggy with intermittent light
drizzle today. The fog limited visibility to 1/2
mile in the morning and 1 1/4 mile at 1:00 P.M.

Today’s Observations:

7 A.M.
Weather: Fog
Temperature: 38F; Dew Point: 38F; Wind: S at 9 kts
Sea-level pressure: 29.91 ins. Hg, falling, then more slowly
Visibility: 1/2 mile
6-hr Max temp: 38F
6-hr Min temp: 36F
24-hr precip: Trace
24-hr snowfall: 0.0 ins.
Snow depth: 0 ins.
BHO SA 1155 W3 X 1/2F 130/38/38/1809/991/ 8//// 56013
10038 20036

10 A.M.
Weather: Fog
Temperature: 42F; Dew Point: 42F; Wind: SSW at 6 kts,
Wind: Light
Sea-level pressure: 29.87 ins. Hg, steady then falling
Visibility: 1/2 mile
3-hr precip: Trace
3-hr snowfall: 0.0 ins.
BHO SA 1455 W3 X 1/2F 116/42/42/2106/987/ WND LGT/ 8////
58014 MANUAL 600//

1 P.M.
Weather: Very light drizzle and fog
Temperature: 44F; Dew Point: 43F; Wind: SSW at 8 kts
Sea-level pressure: 29.79 Hg, falling, then more rapidly
Visibility: 1 1/4 mile
6-hr Max temp: 44F
6-hr Min temp: 38F
6-hr precip: Trace
6-hr snowfall: 0.0 ins.
Snow depth: 0 in.
BHO SA 1755 E6 OVC 1 1/4L-F 088/44/43/2108/979/ PCPN VRY LGT/
8/6// 58028 MANUAL 600// 10044 20038

SUMMARY FOR WEDNESDAY, FEBRUARY 14, 2018

TEMPERATURE (DEGREES F)
MAX…..46   NORMAL…..37
MIN…..25   NORMAL…..19
MEAN….36   NORMAL…..28

DEPARTURE FROM 30-YEAR NORMAL……………………….+8
TOTAL DEPARTURE FOR THE MONTH………………………+52 [+3.5 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY………….29   DEPARTURE……….-8
TOTAL HEATING UNITS FOR THE MONTH…………484   DEPARTURE………-53
TOTAL HEATING UNITS FOR THE SEASON……….3805   DEPARTURE……..-263
TOTAL HEATING UNITS LAST SEASON TO DATE…..3551   DIFFERENCE…….+254

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………..30 S   AT  8:54 A.M.
AERO…………………….29 SSW AT 11:15 A.M.
ASOS…………………….30 SSW AT  8:55 A.M.
DAVIS……………………29 M   AT  8:55 A.M.** RMY 29
FASTEST MILE FOR YESTERDAY………………….21 SSW AT 11:13 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………….21 SW  AT 11:15 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE………………21 M   AT  9:15 A.M.**
AVERAGE WIND SPEED AND DIRECTION…………..13.3 SSW
ASOS…………………..13.1
DAVIS………………….12.2 **
* Last of multiple occurrences
** Davis direction malfunctioning

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……-0.14
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….2.51  DEPARTURE……+0.59
ASOS…………..2.65
TOTAL PRECIPITATION FOR THE YEAR………..8.51  DEPARTURE……+2.24
ASOS…………..9.23

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE……..-0.5
TOTAL SNOWFALL FOR THE MONTH…………….3.6  DEPARTURE……..-3.3
TOTAL SNOWFALL FOR THE SEASON…………..38.1  DEPARTURE……..-2.0

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  45/27/36/+10/…./0.0/…/..      36 SSW AERO 35 SSW RMY N/A
2/2  34/08/21/-5/…./…/…/..       43 WNW AERO 46 WNW RMY 46
2/3  25/04/15/-11/0.00/0.0/…/..      26 S   AERO 24 S   RMY 30
2/4  45/23/34/+8/…/T/…/..          31 SSE AERO 29 S   RMY 30
2/5  46/19/33/+7/0.00/0.0/…/..       47 WNW AERO 47 WNW RMY 44
2/6  31/17/24/+2/T/T/…/..            26 SSW AERO 23 SSW RMY 23
2/7  42/21/32/+5/0.62/1.1/000/00       45 SW  AERO 46 SW  RMY 47
2/8  30/20/25/-2/0.00/0.0/…/..       38 WNW AERO 38 WNW RMY N/A
2/9  30/16/23/-4/0.00/0.0/…/..       28 S   AERO 25 S   RMY N/A
2/10 51/28/40/+13/…./0.0/…/..      31 S   AERO 30 S   RMY 31
2/11 46/36/41/+14/…./0.0/000/00      24 SW  AERO 21 SW  RMY N/A
2/12 53/27/40/+13/…./0.0/…/..      33 WNW AERO 33 WNW RMY N/A
2/13 31/21/26/-2/0.00/0.0/…/..       22 S   AERO 18 WNW RMY 21
2/14 46/25/36/+8/0.00/0.0/…/..       30 S   AERO 26 SSW RMY 29

2/15 Low temp since midnight is 35F; normal low is now 19F

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

RECORDS FOR FEBRUARY 15
HIGH 60F IN 1954
LOW -18F IN 1943
PRECIP 1.28 INCHES IN 1950
SNOWFALL 14.4 INCHES IN 2015
PEAK GUST 94e MPH WNW IN 1946

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

TODAY’S REPORT PREPARED BY: Kaitlin Geagan

 

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