Sunday, November 17, 2013
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, NOVEMBER 17, 2013
ALL TIMES ARE IN EASTERN STANDARD TIME
CLOUDY WITH MILD TEMPERATURES TODAY
The sky has been mostly cloudy today, with few breaks observed since
early this morning. Despite the cloudy conditions, the temperature has
warmed nicely to a well above average high of 57F so far through 1:00 P.M.
The morning low of 42F was also well above average. After several days of
very dry air and low dew points, more moisture has been present in the air
today, with dew points over 40F throughout the day. Some much needed
rainfall is expected tonight and tomorrow morning before a cold front
passes by and returns us to dry weather. Winds have been steady but
fairly light from the SE today, with no gusts over 20mph so far.
Today’s Observations:
7 A.M.
Weather: Broken stratocumulus, broken altocumulus, patches of thin ground
fog all quadrants
Temperature: 45F; Dew Point: 42F; Wind: SE at 8 kts
Sea-level pressure: 30.32 ins. Hg, rising then falling
Visibility: 25 miles
6-hr min temp: 42F
BHO SA 1155 E30 BKN 100 BKN 25 267/45/42/1308/032/ PTCHS THN GF ALQDS/
8/570 50000 10048 20042
10 A.M.
Weather: Broken stratocumulus, overcast altocumulus, patches of thin
ground fog W-NNE
Temperature: 49F; Dew Point: 44F; Wind: SE at 9 kts
Sea-level pressure: 30.31 ins. Hg, falling slightly
Visibility: 35 miles
BHO SA 1455 E20 BKN 100 OVC 35 263/49/44/1409/031/ PTCHS THN GF W-NNE/
8/570 56004
1 P.M.
Weather: Broken stratocumulus (2 levels)
Temperature: 57F; Dew Point: 47F; Wind: SSE at 11 kts
Sea-level pressure: 30.24 ins. Hg, falling then falling more slowly
Visibility: 35 miles, distant haze
6-hr max temp: 57F
BHO SA 1755 E20 BKN 25 BKN 35 241/57/47/1511/024/ DSNT HZ/
8/500 56026 10057 20045
WEATHER SUMMARY FOR SATURDAY, NOVEMBER 16, 2013
TEMPERATURE (DEGREES F)
MAX…..59 NORMAL…..50
MIN…..40 NORMAL…..34
MEAN….50 NORMAL…..42
DEPARTURE FROM 30-YEAR NORMAL………………….+8
TOTAL DEPARTURE FOR THE MONTH………………….-2 [-0.3 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..15 DEPARTURE………-8
TOTAL HEATING UNITS FOR THE MONTH………….337 DEPARTURE………+2
TOTAL HEATING UNITS FOR THE SEASON…………814 DEPARTURE……..-84
TOTAL HEATING UNITS LAST SEASON TO DATE…….766 DIFFERENCE…….+48
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………20 WSW AT 5:34 A.M.
AERO…………………..20 WSW AT 5:34 A.M.
ASOS…………………..21 W AT 3:57 A.M.
DAVIS………………….20 WSW AT 3:56 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..17 W AT 3:55 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..17 W AT 4:03 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….17 W AT 3:57 A.M.
AVERAGE WIND SPEED AND DIRECTION…………8.8 W
ASOS…………………9.1
DAVIS………………..8.0 WSW [250 degrees]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE…………-0.15
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….0.66 DEPARTURE…………-1.85
ASOS…………..0.64
TOTAL PRECIPITATION FOR THE YEAR……….43.67 DEPARTURE…………-2.61
ASOS…………..N/A**
**ASOS malfunctioned during storm on 2/8-9, leading to erroneous totals
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…….0.0 DEPARTURE…………..0.0
TOTAL SNOWFALL FOR THE MONTH………….0.2 DEPARTURE………….-0.4
TOTAL SNOWFALL FOR THE SEASON…………0.2 DEPARTURE………….-0.7
PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 2013 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
11/1 68/56/62/+16/0.10/0.0/012/02 60 SSW AERO N/A N/A RMY 66
11/2 65/49/57/+11/0.00/0.0/296/48 22 WSW AERO N/A N/A RMY 23
11/3 49/30/40/-6/0.06/T/135/22 23 N AERO N/A N/A RMY N/A
11/4 42/27/35/-10/0.00/0.0/588/96 24 NNE AERO N/A N/A RMY 25
11/5 50/29/40/-5/0.00/0.0/487/80 16 SSW AERO N/A N/A RMY 17
11/6 59/40/50/+5/0.00/0.0/419/69 30 SSW AERO 31 MPH SSW RMY 33
11/7 65/37/51/+6/0.31/0.0/079/13 33 SW AERO 37 MPH SW RMY 37
11/8 48/31/40/-4/T/T/0.0/421/70 37 WNW AERO 37 MPH WNW RMY 39
11/9 44/29/37/-7/0.00/0.0/366/61 25 WNW AERO 25 MPH WNW RMY 29
11/10 52/40/46/+2/0.08/0.0/108/18 31 WNW AERO 33 MPH WNW RMY N/A
11/11 51/36/44/+1/0.00/0.0/…/.. 36 WNW AERO 37 MPH WNW RMY 37
11/12 48/24/36/-7/0.11/0.2/000/00 42 SW AERO 43 MPH SW RMY 43
11/13 35/21/28/-15/0.00/0.0/…/.. 29 NW AERO 30 MPH NW RMY 30
11/14 49/26/38/-4/0.00/0.0/…/.. 25 SW AERO 25 MPH SW RMY 28
11/15 59/38/49/+7/0.00/0.0/…/.. 24 S AERO 25 MPH S RMY 26
11/16 59/40/50/+8/0.00/0.0/…/.. 20 WSW AERO 20 MPH WSW RMY N/A
11/17 morning low temp: 42F; the normal low is now 33F
DAILY RECORDS FOR NOVEMBER 2013
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR NOVEMBER 17
HIGH 74F IN 1928
LOW 10F IN 1924
PRECIP 1.92 INCHES IN 1920
SNOWFALL 1.0 INS IN 1980
PEAK GUST 61 SSE IN 2006
RECORDS FOR NOVEMBER 18
HIGH 72 IN 1963
LOW 10 IN 1936
PRECIP 1.80 INS IN 1929
SNOWFALL 6.3 INS IN 1980
PEAK GUST 60 SW IN 1987
TODAY’S REPORT PREPARED BY: Jonathan O’Brien
