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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, JANUARY 27, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
COOLER TEMPERATURES RETURNING AFTER A MILD 49 DEGREES YESTERDAY
TUESDAY WAS A WINDY DAY AVERAGING 21.6 mph FROM THE S-SSW
SSW WINDS GUSTED TO 44 MPH IN THE EARLY AFTERNOON
Cooler temperatures followed a mild day yesterday with highs
close to 50 degrees; readings were in the low 40’s this afternoon
after high clouds moved away and bright sunshine took over.
Winds today were much diminished from yesterday when gusts were
frequently exceeding 35 MPH; today’s winds have veered to the
west-northwest and were a bit gusty this morning but were decreasing
by early this afternoon.
Today’s Observations:
7 A.M.
Weather: Overcast altostratus, break in overcast, line of
clearing distant WNW-NNW
Temperature: 37F; Dew Point: 27F; Wind: WNW at 11G19 kts,
Wind: Direction variable W-NNW
Sea-level pressure: 29.90 ins. Hg, rising slightly
Visibility: 30 miles, distant haze
6-hr Max temp: 42F
6-hr Min temp: 37F
24-hr precip: none
24-hr snowfall: none
Snow depth: 2 ins.
BHO SA 1155 E95 OVC 30 120/37/27/3011G19/990/ BINOVC/LINE CLRG
DSNT WNW-NNW DSNT HZ WND 26V33/ 8/02/ 51005 10042 20037
10 A.M.
Weather: Broken altocumulus, broken dense cirrus, overcast cirrus,
break in overcast, line of clearing advancing from west, stratocumulus
distant W-NW, dense cirrus vicinity W-N
Temperature: 37F; Dew Point: 27F; Wind: W at 12 kts,
Sea-level pressure: 29.93 ins. Hg, rising then more slowly
Visibility: 40 miles, light distant haze
BHO SA 1455 E130 BKN 200 BKN 220 OVC 40 136/37/27/2812/993/
BINOVC/LINE CLRG ADVCNG FRM W-N SC DSNT W-NW DNS CI VC W-N
LGT DSNT HZ/ 8/572 51016
1 P.M.
Weather: Scattered cumulus and stratocumulus, scattered altocumulus,
scattered dense cirrus layer mostly distant E-S receding E-SE
Temperature: 41F; Dew Point: 25F; Wind: WNW at 9 kts,
Wind: Direction variable SW-NW
Sea-level pressure: 29.92 ins. Hg, falling slightly
Visibility: 60 miles, light distant haze
6-hr Max temp: 42F
6-hr Min temp: 37F
BHO SA 1755 36 SCT 180 SCT 220 SCT 60 132/41/25/2909/992/
CU/SC ALQDS AC/CI LYR MSTLY DSNT E-S RCDG E-SE WND 23V33
LGT DSNT HZ/ 8/842 58004 10042 20037
SUMMARY FOR TUESDAY, JANUARY 26, 2016
TEMPERATURE (DEGREES F)
MAX…..49 NORMAL…..34
MIN…..27 NORMAL…..17
MEAN….38 NORMAL…..25
DEPARTURE FROM 30-YEAR NORMAL…………………..+13
TOTAL DEPARTURE FOR THE MONTH…………………..+85 [+3.1 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..27 DEPARTURE………-13
TOTAL HEATING UNITS FOR THE MONTH………….944 DEPARTURE………-84
TOTAL HEATING UNITS FOR THE SEASON………..2600 DEPARTURE……..-773
TOTAL HEATING UNITS LAST SEASON TO DATE……3112 DIFFERENCE…….-512
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….44 SSW AT 1:21 P.M.
ASOS……………………43 SSW AT 1:21 P.M.
DAVIS…………………..43 SW AT 1:20 P.M. RMY 43
FASTEST MILE FOR YESTERDAY…………………32 SSW AT 12:53 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………32 SSW AT 12:53 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..32 SW AT 12:53 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..21.6 S
ASOS…………………..21.8
DAVIS………………….19.9 SSW [210 Deg.]
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……….3.77 DEPARTURE…….+0.09
ASOS…………..3.94
TOTAL PRECIPITATION FOR THE YEAR………..3.77 DEPARTURE…….+0.09
ASOS…………..3.94
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…….-0.5
TOTAL SNOWFALL FOR THE MONTH……………14.3 DEPARTURE…….-0.1
TOTAL SNOWFALL FOR THE SEASON…………..15.6 DEPARTURE……-14.8
PRELIMINARY CLIMATE SUMMARY FOR JANUARY CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/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
1/1 37/29/33/+6/0.00/0.0/005/01 29 W RMY 29
1/2 37/27/32/+5/0.00/0.0/461/84 31 W RMY N/A
1/3 41/27/34/+8/0.00/0.0/501/91 28 W RMY 29
1/4 30/10/20/-6/T/T/000/00 29 NNW RMY 29
1/5 23/4/14/-12/0.00/0.0/552/100 28 NNW RMY N/A
1/6 43/17/30/+4/0.00/0.0/553/100 24 SW RMY 24
1/7 43/25/34/+8/0.00/0.0/521/94 21 SW RMY N/A
1/8 40/28/34/+8/T/0.0/000/00 28 E AERO 25 ENE RMY 25
1/9 39/36/38/+12/T/0.0/000/00 21 ENE AERO 20 ENE RMY N/A
1/10 58/38/48/+23/1.55/0.0/000/00 53 SSE AERO 55 SSE RMY 53
1/11 48/21/35/+10/0.00/0.0/559/100 43 W AERO 45 WSW RMY N/A
1/12 35/19/27/+2/…./…/359/64 30 SE AERO N/A RMY N/A
1/13 30/17/24/-1/…./…/551/98 50 W AERO 58 W RMY 54
1/14 28/17/23/-2/T/T/…/.. 26 W AERO N/A RMY 25
1/15 40/23/32/+7/0.00/0.0/…/.. 26 ESE AERO 25 ESE RMY 23
1/16 41/32/37/+12/1.03/T/…/.. 32 NNW AERO 32 NNW RMY 28
1/17 33/26/30/+5/…./…/…/.. 29 WNW AERO 28 WNW RMY N/A
1/18 26/15/21/-4/…./…/…/.. 50 W AERO 50 W RMY 47
1/19 22/13/18/-7/0.00/0.0/…/.. 55 WNW AERO 59 W RMY 55
1/20 30/15/23/-2/0.00/0.0/…/.. 46 WNW AERO 47 WNW RMY 45
1/21 30/15/23/-2/0.00/0.0/…/.. 38 WNW AERO 38 NW RMY 35
1/22 28/14/21/-4/0.00/0.0/…/.. 32 NW AERO 32 NW RMY N/A
1/23 30/18/24/-1/0.74/7.1/000/00 54 NE AERO 56 NE RMY 50
1/24 33/14/24/-1/T/T/…/.. 34 N AERO 37 N RMY 29
1/25 37/20/29/+4/0/0/…/.. 22 NW AERO 22 NW RMY N/A
1/26 49/27/38/+13/0/0/…/.. 44 SSW AERO 47 SSW RMY 43
1/27 morning low since midnight 37F; normal low is 17F
DAILY RECORDS FOR JANUARY 2016
**1/10/16: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 58F, BREAKS
PREVIOUS RECORD OF 54F SET BACK IN 2000**
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JANUARY 27
HIGH 63F IN 1974
LOW -12F IN 1924
PRECIP 1.59 INS. IN 1996
SNOWFALL 25.2 INS. IN 2015 [RECORD FOR MONTH]
PEAK GUST 91 MPH SSE IN 1996
RECORDS FOR JANUARY 28
HIGH 59F IN 1916
LOW -9F IN 1888, 1924
PRECIP 2.18 INS. IN 1897
SNOWFALL 15.0 INS. IN 1897
PEAK GUST 78e MPH SSE IN 1977
TODAY’S REPORT PREPARED BY: Robert Skilling
