Thursday, June 12, 2014
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, JUNE 12, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
COLD FRONT BRINGS MOSTLY COOL AND DRY AIR FOR WEDNESDAY
AS MOISTURE AND CLOUDS RETURN TO THE REGION TODAY
Aside from a few breaks of sun this morning, low stratus
and stratocumulus have dominated the skies today along with
slowly rising dew points. Winds have also remained relatively
light from the E-ENE.
Some moderate to heavy rain showers fell yesterday afternoon
across western sections of the state, our instruments were
only able to record a trace of precipitation on Great Blue Hill.
Historical radar imagery shows showers weakening drastically
yesterday as they slid into the Boston Metro area.
Today’s Observations:
7 A.M.
Weather: Broken altocumulus, broken altostratus,
few cumulus distant offshore E-SE
Temperature: 59F; Dew Point: 54F; Wind: E at 9 kts,
Sea-level pressure: 30.15 ins. Hg, rising then falling, but higher
Visibility: 35 miles, 25 miles WNW-NE obscured by light distant fog
6-hr max temp: 59F
6-hr min temp: 56F
24-hr precip: TRACE
BHO SA 1155 E80 BKN 110 BKN 35 211/59/54/1009/015/
FEW CU DSNT OFFSHR E-SE VSBY WNW-NE 25 MI LGT DSNT FG WNW-NE/
8/170 50005 10059 20056
10 A.M.
Weather: Broken stratocumulus, overcast altostratus,
few cumulus distant NW-NNE
Temperature: 66F; Dew Point: 57F; Wind: ESE at 8 kts
Sea-level pressure: 30.16 ins. Hg, rising slightly
Visibility: 30 miles, 30 miles SW, obscured by light distant fog
BHO SA 1455 E22 BKN 90 OVC 30 213/66/57/1108/016/
FEW CU DSNT NW-NNE VSBY SW 20 MI LGT FG DSNT SW/ 8/82/ 53002
1 P.M.
Weather: Broken stratocumulus, broken altostratus, thin overcast
of cirrus fibratus
Temperature: 69F; Dew Point: 58F; Wind: ESE at 7 kts,
Sea-level pressure: 30.13 ins. Hg, steady, then falling
Visibility: 25 miles, 15 miles WSW-NW light fog WSW-NE,
light haze in all directions
6-hr max temp: 70F
6-hr min temp: 59F
BHO SA 1755 E38 BKN 90 BKN 200 –OVC 25 202/69/58/1107/013/
VSBY WSW-NW 15 MI LGT FG WSW-NW LGT HZ ALQDS/ 8/511 58011 10070 20059
WEATHER SUMMARY FOR WEDNESDAY, JUNE 11, 2014
TEMPERATURE (DEGREES F)
MAX…..69 NORMAL…..74
MIN…..55 NORMAL…..56
MEAN….62 NORMAL…..65
DEPARTURE FROM 30-YEAR NORMAL……………………..-3
TOTAL DEPARTURE FOR THE MONTH…………………….+21 [+1.7 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………3 DEPARTURE……….+0
TOTAL HEATING UNITS FOR THE MONTH…………..23 DEPARTURE………-20
TOTAL HEATING UNITS FOR THE SEASON………..6417 DEPARTURE………+71
TOTAL HEATING UNITS LAST SEASON TO DATE……5764 DIFFERENCE…. ..+653
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..0 DEPARTURE……….-3
TOTAL COOLING UNITS FOR THE MONTH………….26 DEPARTURE……….+2
TOTAL COOLING UNITS FOR THE SEASON…………39 DEPARTURE………..-9
TOTAL COOLING UNITS LAST SEASON TO DATE…….60 DIFFERENCE……..-21
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………21 ENE AT 8:52 A.M.*
ASOS…………………..21 NE AT 7:36 A.M.
DAVIS………………….19 NE AT 5:06 A.M. RMY 20
FASTEST MILE FOR YESTERDAY………………..14 E AT 7:34 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..15 ESE AT 7:40 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….14 E AT 7:32 P.M.
AVERAGE WIND SPEED AND DIRECTION…………. 9.8 ENE
ASOS…………………..9.8
DAVIS………………….8.8 ENE [70 deg]
*…LAST IN A SERIES
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…TRACE DEPARTURE……….-0.16
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….1.25 DEPARTURE……….-0.56
ASOS…………..1.22
TOTAL PRECIPITATION FOR THE YEAR……….23.59 DEPARTURE……….-0.88
ASOS………….23.74
PRELIMINARY CLIMATE SUMMARY FOR JUNE 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY 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
6/1 72/47/60/-2/0.00/887/98 21 NNW RMY 21
6/2 81/52/67/+5//0.00/879/97 22 SSW RMY 23
6/3 81/57/69/+7/0.00/889/98 25 SSE RMY 28
6/4 64/52/58/-5/0.11/000/00 16 SE RMY N/A
6/5 60/55/58/-5/0.91/000/00 21 NNW RMY 24
6/6 73/54/64/+1/0.00/…/.. 22 WNW RMY 23
6/7 82/56/69/+5/0.00/…/.. 21 W RMY 22
6/8 84/63/74/+10/0.00/…/.. 18 SW RMY N/A
6/9 77/61/69/+5/0.13/…/.. 21 WSW RMY 22
6/10 80/56/68/+3/0.10/…/.. 29 ENE RMY 33
6/11 69/55/62/-3/T/…/.. 21 ENE RMY 20
6/12 morning low temp: 55F; the normal low is now 56F
DAILY RECORDS FOR JUNE 2014
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JUNE 12
HIGH 92F IN 1973
LOW 40F IN 1906
PRECIP 1.79 INS 1955
PEAK GUST 58 MPH NW IN 1991
RECORDS FOR JUNE 13
HIGH 93F IN 1988
LOW 43F IN 1982
PRECIP 6.07 INS 1998 [Record for month]
PEAK GUST 69 MPH N IN 1956
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
