Sunday, January 26, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, JANUARY 26, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
CLIPPER SYSTEM AND STRONG COLD FRONT TEAM UP BRINGING BRIEF
SNOW AND VERY STRONG SOUTHERLY WINDS REACHING 60 MPH.
It was a sunny and clear start to the day this Sunday, after a
day of overcast skies, light snow and strong southerly winds with
temperatures topping out above the freezing mark for the first
time in several days.
A strong cold front approached from the west yesterday, sparking
some snow showers late yesterday. The total was barely significant
at 0.2 inches with a liquid content of 0.01 inches.
From 1200E until 1500E Saturday, winds averaged 33 mph, with
22.5 mph for a daily average, mainly from the SSW.
Five inches of snow remain on the ground early this morning.
Today’s Observations:
7 A.M.
Weather: Clear, few stratocumulus offshore and distant NE-SW
Temperature: 13F; Dew Point: -6F; Wind: W at 20G32 kts
Wind: Peak gust 39 kts W at 6:16 AM
Sea-level pressure: 29.61 ins. Hg, rising, then more slowly
Visibility: 65 miles
6-hr. min temp: 12F
Total snow depth on ground: 5 inches
BHO SA 1155 CLR 65 026/13/-6/2820G32/961/ FEW SC OFFSHR AND DSNT
NE-SW NEW SNW PST 24 HRS 0.2 IN PK WND 2839/16/ 8/500 4/005 51047
ASOS 70002 MANUAL 70001 10023 20012
10 A.M.
Weather: Clear, few cumulus fractus in all directions
Temperature: 15F Dew Point: -6F; Wind: W at 9G21 kts,
Wind: Peak gust 32 kts W at 9:21 AM
Sea-level pressure: 29.78 ins. Hg, increasing, then steady
Visibility: 55 miles
BHO SA 1455 CLR 55 083/15/-6/269G21/978/ FEW CUFRA ALQDS
PK WND 2832/21/ 8/500 51058
1 P.M.
Weather: Clear, few cumulus fractus NE-ESE, few cirrostratus SSE-SW,
few cirrus fibratus SW-ENE
Temperature: 18F; Dew Point: -3F; Wind: WSW at 13G24 kts,
Wind: Peak gust 35 kts W at 12:16 PM
Sea-level pressure: 29.77 ins. Hg, steady then decreasing slightly
Visibility: 55 miles
6-hr max. temp: 18F
6-hr min. temp: 12F
BHO SA 1755 CLR 55 082/18/-3/2513G24/977/ FEW CUFRA NE-ESE FEW CS SSE-SW
FEW CI SW-ENE PK WND 2635/16 8/501 58001 10018 20012
WEATHER SUMMARY FOR SATURDAY, JANUARY 25, 2014
TEMPERATURE (DEGREES F)
MAX…..36 NORMAL…..34
MIN…..12 NORMAL…..17
MEAN….24 NORMAL…..25
DEPARTURE FROM 30-YEAR NORMAL……………………-1
TOTAL DEPARTURE FOR THE MONTH…………………..+10 [+0.2 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..41 DEPARTURE……….+1
TOTAL HEATING UNITS FOR THE MONTH………….979 DEPARTURE………-10
TOTAL HEATING UNITS FOR THE SEASON………..3256 DEPARTURE………-37
TOTAL HEATING UNITS LAST SEASON TO DATE……2913 DIFFERENCE…….+343
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………60 SSW AT 11:16 A.M.
AERO…………………..66 SSW AT 11:12 A.M.
ASOS…………………..61 SSW AT 11:16 A.M.
DAVIS………………….61 SSW AT 11:15 A.M. RMY 64
FASTEST MILE FOR YESTERDAY………………..42 SSW AT 2:04 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..41 S AT 2:06 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….40 S AT 2:06 P.M.
AVERAGE WIND SPEED AND DIRECTION…………22.5 SSW
ASOS…………………21.7
DAVIS………………..20.6 SSW [207 deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.01 DEPARTURE………….-0.13
ASOS…………..0.02
TOTAL PRECIPITATION FOR THE MONTH……….4.59 DEPARTURE………….+1.05
ASOS…………..4.89
TOTAL PRECIPITATION FOR THE YEAR………..4.59 DEPARTURE………….+1.05
ASOS…………..4.89
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……..0.2 DEPARTURE…………..-0.4
TOTAL SNOWFALL FOR THE MONTH………….32.9 DEPARTURE………….+19.0
TOTAL SNOWFALL FOR THE SEASON…………48.6 DEPARTURE………….+18.7
PRELIMINARY CLIMATE SUMMARY FOR JANUARY 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
1/1 26/16/21/-6/0.00/0.0/505/92 25 W AERO 25 MPH W RMY 27
1/2 24/00/12/-15/0.97/10.9/000/00 39 NNE AERO 39 MPH NNE RMY 39
1/3 12/-3/05/-21/0.38/4.7/270/49 36 N AERO 39 MPH N RMY 34
1/4 25/-4/11/-15/0.00/0.0/545/99 35 SSW AERO 37 MPH SSW RMY 38
1/5 42/23/33/+07/0.08/0.0/259 47 30 SE AERO 32 MPH SE RMY 42
1/6 57/25/41/+15/0.29/0.0/006/01 41 S AERO 46 MPH S RMY 48
1/7 25/06/16/-10/0.00/0.0/555/100 44 WNW AERO 46 MPH WNW RMY 42
1/8 21/3/12/-14/0.00/0.0/550/99 28 WSW AERO 29 MPH WSW RMY N/A
1/9 28/13/21/-5/0.00/0.0/540/97 23 WNW AERO 24 MPH WNW RMY 27
1/10 37/17/27/+2/0.05/0.3/000/00 17 SSW AERO 18 MPH SW RMY N/A
1/11 57/37/47/+22/0.67/0.0/000/00 50 S AERO 59 MPH S RMY 59
1/12 51/32/42/+17/0.04/0.0/292/52 41 W AERO 44 MPH W RMY 42
1/13 50/30/40/+15/0.00/0.0/473/84 33 S AERO 36 MPH S RMY 37
1/14 49/41/45/+20/0.83/0.0/000/00 35 S AERO 37 MPH S RMY 32
1/15 46/33/40/+15/0.00/0.0/374/66 24 W AERO 23 MPH W RMY N/A
1/16 40/34/37/+12/0.00/0.0/000/00 14 ENE AERO 13 MPH ENE RMY 14
1/17 44/33/39/+14/0.00/0.0/541/95 21 SW AERO 21 MPH SW RMY 22
1/18 37/30/34/+9/0.82/4.2/000/00 18 E AERO 17 MPH E RMY 18
1/19 32/27/30/+5/0.03/0.5/…/.. 28 SW AERO 35 MPH SW RMY 34
1/20 39/23/31/+6/0.00/0.0/…/.. 38 W AERO 41 MPH W RMY 42
1/21 23/8/16/-9/…./…/…/.. 29 WNW AERO 30 MPH WNW RMY 32
1/22 15/3/9/-16/…./…/…/.. 36 N AERO 35 MPH N RMY 34
1/23 20/-1/10/-15/0.00/0.0/…/.. 30 W AERO 29 MPH W RMY 30
1/24 16/2/9/-16/0.00/0.0/…/.. 28 WNW AERO 25 MPH WNW RMY N/A
1/25 36/12/24/-1/…./…/…/.. 60 SSW AERO 66 MPH SSW RMY 64
1/26 morning low temp: 12F; the normal low is now 17F
DAILY RECORDS FOR JANUARY 2014
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JANUARY 26
HIGH 68F IN 1950 [RECORD FOR MONTH]
LOW -5F IN 1920
PRECIP 1.60 INS. IN 1958
SNOW 9.0 INS. IN 1898
WIND 90e MPH SE IN 1978
RECORDS FOR JANUARY 27
HIGH 63F IN 1974
LOW -12F IN 1924
PRECIP 1.59 INS. IN 1996
SNOWFALL 11.7 INS. IN 2011
PEAK GUST 91 MPH SSE IN 1996
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
