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Thursday, January 12, 2017

January 13, 2017

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

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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, JANUARY 12, 2017
ALL TIMES ARE IN EASTERN STANDARD TIME

RAIN AND GUSTY WINDS EARLY THIS MORNING,
NEW DAILY RECORD MAXIMUM TEMPERATURE OF 58F

This morning saw another round of rain and gusting
winds as low pressure swept through the area.
Although not as strong as the previous morning, winds
were gusting near 40 MPH.  Rainfall totaled 0.14 in.

Skies were not as quick to clear today with mostly
cloudy skies remaining in place through the early
afternoon. Distant fog persisted through the day
and prevented visibility from being greater than
30 miles during observations.

Temperatures continue to be quite mild for the time
of year.  The max. by 1:00PM of 58F is 24F above normal
and a new daily high temperature record for this day.
It surpasses the previous record of 57F set in 1913 and
tied 1975.

Today’s Observations:

7 A.M.
Weather: Broken stratocumulus, overcast altostratus
Temperature: 49F; Dew Point: 47F; Wind: SSW at 22G28 kts,
Peak Wind: 30 kts (35 MPH) SSW at 6:33AM
Sea-level pressure: 30.05 ins. Hg falling, then more slowly
Visibility: 20 miles, distant fog in all directions
6-hr Max temp: 49F
6-hr Min temp: 45F
24-hr precip: 0.14 in.
24-hr snowfall: 0.0 in.
BHO SA 1155 E15 BKN 69 OVC 20 176/49/47/2022G28/005/ DSNT FG ALQDS
PK WND 2030/33/ 8/52/ 56016 MANUAL 70014 ASOS 70018 10049 20045

10 A.M.
Weather: Broken stratocumulus
Temperature: 53F; Dew Point: 49F; Wind: SSW at 20G24 kts,
Peak Wind: 28 kts (32 MPH) SSW at 9:01AM
Sea-level pressure: 30.04 ins. Hg, falling, then more slowly
Visibility: 20 miles, distant fog in all directions
BHO SA 1455 E14 BKN 20 174/53/49/2020G24/004/ DSNT FG ALQDS
PK WND 2128/01/ 8/500 55002

1 P.M.
Weather: Broken stratocumulus, broken altocumulus
Temperature: 58F; Dew Point: 51F; Wind: SSW at 18G23 kts
Sea-level pressure: 29.97 ins. Hg, falling, then more slowly
Visibility: 30 miles, distant fog in all directions
6-hr Max temp: 58F
6-hr Min temp: 49F
BHO SA 1755 E100 BKN 200 BKN 30 148/58/51/2018G23/997/ DSNT FG ALQDS/
8/410 56026 10058 20049

SUMMARY FOR WEDNESDAY, JANUARY 11, 2017

TEMPERATURE (DEGREES F)
MAX…..53   NORMAL…..34
MIN…..40   NORMAL…..17
MEAN….47   NORMAL…..25

DEPARTURE FROM 30-YEAR NORMAL…………………..+22
TOTAL DEPARTURE FOR THE MONTH…………………..+29 [+2.4 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..18   DEPARTURE………-22
TOTAL HEATING UNITS FOR THE MONTH………….400   DEPARTURE………-28
TOTAL HEATING UNITS FOR THE SEASON………..2432   DEPARTURE……..-301
TOTAL HEATING UNITS LAST SEASON TO DATE……2019   DIFFERENCE…….+413

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….51 SSW AT 5:34 A.M.
ASOS……………………57 SSW AT 5:35 A.M.
DAVIS…………………..56 SW  AT 5:34 A.M. RMY 57
FASTEST MILE FOR YESTERDAY…………………40 SSW AT 5:35 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………39 SSW AT 5:36 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..41 SW  AT 5:36 A.M.
AVERAGE WIND SPEED AND DIRECTION………….19.4 S
ASOS………………….19.2
DAVIS…………………17.1 SW [220 deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.14  DEPARTURE……+0.00
ASOS…………..0.18
TOTAL PRECIPITATION FOR THE MONTH……….2.59  DEPARTURE……+1.03
ASOS…………..2.81
TOTAL PRECIPITATION FOR THE YEAR………..2.59  DEPARTURE……+1.03
ASOS…………..2.81

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…….-0.6
TOTAL SNOWFALL FOR THE MONTH……………11.2  DEPARTURE…….+5.0
TOTAL SNOWFALL FOR THE SEASON…………..19.0  DEPARTURE…….-3.2

PRELIMINARY CLIMATE SUMMARY FOR JANUARY 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

1/1   41/29/35/+8/0.09/0.0/…/..           35 W   AERO 36 W   RMY 34
1/2   38/29/34/+7/0.00/0.0/…/..           21 E   AERO 20 E   RMY N/A
1/3   42/37/40/+14/1.14/0.0/000/00          39 ENE AERO 41 ENE RMY 34
1/4   44/30/37/+11/0.11/T/…/..            41 WNW AERO 46 WNW RMY 45
1/5   30/23/27/+1/0.00/0.0/…/..           37 W   AERO 39 W   RMY 38
1/6   30/20/25/-1/0.05/1.7/…/..           20 W   AERO 20 W   RMY N/A
1/7   22/14/18/-8/0.74/9.5/…/..           32 NNW AERO 39 NNW RMY 38
1/8   20/06/13/-13/0.01/T/…/..            26 NNW AERO 29 NNW RMY N/A
1/9   17/4/11/-15/0.00/0.0/…/..           23 SSW AERO 23 SSW RMY 25
1/10  41/14/28/+3/0.18/0.0/…/..           35 SE  AERO 37 SE  RMY N/A
1/11  53/40/47/+22/0.13/0.0/…/..          51 SSW AERO 48 SSW RMY 57

1/12 Low temp since midnight is 42F; normal low is now 17F

DAILY RECORDS FOR JANUARY 2017

1/12/17: NEW DAILY RECORD MAXIMUM TEMP. OF 58F
PREVIOUS RECORD OF 57F SET 1913 AND TIED IN 1975

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

RECORDS FOR JANUARY 12
HIGH 57F IN 1913, 1975
LOW -15F IN 1886
PRECIP 2.04 INS. IN 2011
SNOW 18.2 INS. IN 2011
WIND 84e MPH S IN 1980

RECORDS FOR JANUARY 13
HIGH 57F IN 1890,1932
LOW -10F IN 1912,1914
PRECIP 1.54 INS. IN 1979
SNOWFALL 12.6 INS. IN 1964
PEAK GUST 74 MPH NE IN 1964

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
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