Sunday, January 12, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, JANUARY 12, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
WINDY CONDITIONS PREVAIL FOLLOWING YESTERDAY’S
UN-JANUARY-LIKE DAY OF HEAVY RAIN, THUNDERSTORMS
AND NEARLY RECORD-BREAKING HIGH TEMPERATURES.
Yesterday’s weather was dominated by very warm, moist air
which produced wind gusts in the upper 50mph range on several instruments
along with heavy rain and cloud-to-ground lightning during the
mid afternoon. As of 0700 this morning Blue Hill collected 0.68 inches of new
rain over the past 24 hours that fell during a couple very heavy downpours.
Winds have only backed down slightly from yesterday as well, with gusts in
the 40mph range by mid day today.
Today’s Observations:
7 A.M.
Weather: Scattered altocumulus, scattered altostratus
Temperature: 39F; Dew Point: 33F; Wind: W at 18G22 kts
Sea-level pressure: 29.44 ins. Hg, increasing, then more rapidly
Visibility: 50 miles
6-hr. min temp: 39F
6-hr precip (ASOS): 0.04 ins.
24-hr precip: 0.68 ins.
BHO SA 1155 45 SCT 60 SCT 50 969/39/33/2818G22/944/ 8/070 53018 ASOS 60004
MANUAL 70068 ASOS 70075 10051 20039
10 A.M.
Weather: Broken stratocumulus, broken altostratus
Temperature: 41F; Dew Point: 26F; Wind: W at 20G31 kts,
Sea-level pressure: 29.56 ins. Hg, increasing, then more slowly
Visibility: 60 miles
BHO SA 1455 E35 BKN 60 BKN 011/41/26/2720G31/956/
SC OVRSPRDING W-E/ 8/470 51042
1 P.M.
Weather: Broken stratocumulus
Temperature: 42F; Dew Point: 26F; Wind: W at 18G32 kts,
Wind: Peak wind of 36 kts W at 12:05 P.M.
Sea-level pressure: 29.69 ins. Hg, increasing, then steady
Visibility: 70 miles
6-hr max. temp: 44F
BHO SA 1755 E50 BKN 70 053/42/26/2818G32/969/ PK WND 2836/05 8/400
51042 10044 20037
WEATHER SUMMARY FOR SATURDAY, JANUARY 11, 2014
TEMPERATURE (DEGREES F)
MAX…..57 NORMAL…..34
MIN…..37 NORMAL…..17
MEAN….47 NORMAL…..25
DEPARTURE FROM 30-YEAR NORMAL…………………..+22
TOTAL DEPARTURE FOR THE MONTH…………………..-46 [-4.4 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..18 DEPARTURE………+22
TOTAL HEATING UNITS FOR THE MONTH………….475 DEPARTURE………+47
TOTAL HEATING UNITS FOR THE SEASON………..2752 DEPARTURE………+19
TOTAL HEATING UNITS LAST SEASON TO DATE……2406 DIFFERENCE…….+346
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………50 S AT 12:57 P.M.
AERO…………………..59 S AT 12:57 P.M.
ASOS…………………..56 S AT 1:01 P.M.
DAVIS………………….64 SSE AT 2:47 P.M. RMY 59
FASTEST MILE FOR YESTERDAY………………..38 S AT 4:58 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..40 S AT 4:58 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….40 S AT 4:58 P.M.
AVERAGE WIND SPEED AND DIRECTION………….24.0 S
ASOS………………….24.1
DAVIS…………………21.7 S [183 deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.68 DEPARTURE………….+0.54
ASOS…………..0.75
TOTAL PRECIPITATION FOR THE MONTH……….2.48 DEPARTURE………….+0.92
ASOS…………..2.86
TOTAL PRECIPITATION FOR THE YEAR………..2.48 DEPARTURE………….+0.54
ASOS…………..2.86
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……..0.0 DEPARTURE…………..-0.6
TOTAL SNOWFALL FOR THE MONTH………….15.9 DEPARTURE…………..+9.7
TOTAL SNOWFALL FOR THE SEASON…………31.6 DEPARTURE…………..+9.4
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/…./../000/00 39 NNE AERO 39 MPH NNE RMY 39
1/3 12/-3/05/-21/…/../270/49 36 N AERO 39 MPH N RMY 34
1/4 25/-4/11/-15/…./../545/99 35 SSW AERO 37 MPH SSW RMY 38
1/5 42/23/33/+07/…./../259 47 30 SE AERO 32 MPH SE RMY 42
1/6 57/25/41/+15/…./../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/…/.. 23 WNW AERO 24 MPH WNW RMY 27
1/10 37/17/27/+2/…./0.3/000/00 17 SSW AERO 18 MPH SW RMY N/A
1/11 57/37/47/+22/…./0.0/000/00 50 S AERO 59 MPH S RMY 59
1/12 morning low temp: 39F; 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 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: Brian Fitzgerald
