Friday, October 28, 2016
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, OCTOBER 28, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
PRECIP. TOTALS 0.99 IN. MAKING MONTHLY TOTAL 2.65 IN. ABOVE NORMAL
Yesterday’s light rain turned to periods of moderate rain through
this morning and left us with 0.99 in. at the 7:00AM EST observation.
Light drizzle began again in the early afternoon, but only a trace
of precip. was measured at 1:00PM EST.
Winds shifted westerly and were gusting up to 38 MPH. Visibility had
improved to 40 miles in the late morning as thick fog cleared away but
fell to below 10 miles by 1:00PM. Temperatures rose to a max. of 51F
just before 7:00AM today and fell from there to today’s min. of 43F so
far.
7 A.M.
Weather: Thick fog, light drizzle
Temperature: 49F; Dew Point: 49F; Wind: WSW at 6 kts,
Wind Speed: Light
Sea-level pressure: 29.85 ins. Hg, falling, then more slowly
Visibility: 1/8 mile
6-hr Max temp: 32F
6-hr Min temp: 28F
24-hr precip: 0.00 in.
BHO SA 1155 W2 X 1/8L-F 107/49/49/2406/985/ PCPN VRY LGT WND LGT/
8//// 56016 MANUAL 70099 ASOS 70100 10051 20045
10 A.M.
Weather: Overcast stratus
Temperature: 45F; Dew Point: 43F; Wind: W at 15G21 kts,
Peak Wind: 26 kts (30 MPH) W at 9:27 AM EST
Sea-level pressure: 29.84 ins. Hg, rising then falling
Visibility: 40 miles
BHO SA 1455 E5 OVC 40 105/45/43/2615G21/984/ PK WND 2726/27/
8/6// 58002 MANUAL 600//
1 P.M.
Weather: Light drizzle, overcast stratus
Temperature: 43F; Dew Point: 40F; Wind: W at 18G30 kts,
Peak Wind: 33 kts (38 MPH) W at 12:27 PM EST
Sea-level pressure: 29.82 ins. Hg, falling then steady
Visibility: 9 miles, distant fog
6-hr Max. temp: 50F
6-hr Min. temp: 43F
6-hr precip: Trace
BHO SA 1755 E10 OVC 9L- 098/43/40/2818G30/982/ DSNT FG PK WND 2833/27/
8/6// 56007 MANUAL 600// 10050 20043
SUMMARY FOR THURSDAY, OCTOBER 27, 2016
TEMPERATURE (DEGREES F)
MAX…..46 NORMAL…..57
MIN…..28 NORMAL…..39
MEAN….37 NORMAL…..48
DEPARTURE FROM 30-YEAR NORMAL…………………..-11
TOTAL DEPARTURE FOR THE MONTH…………………..+76 [+2.6 DEGREES/DAY]
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY……………0 DEPARTURE………..0
TOTAL COOLING UNITS FOR THE MONTH……………7 DEPARTURE……….+2
TOTAL COOLING UNITS FOR THE SEASON…………901 DEPARTURE……..+299
TOTAL COOLING UNITS LAST SEASON TO DATE…….810 DIFFERENCE……..+91
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..28 DEPARTURE………+11
TOTAL HEATING UNITS FOR THE MONTH………….274 DEPARTURE………-76
TOTAL HEATING UNITS FOR THE SEASON…………349 DEPARTURE……..-143
TOTAL HEATING UNITS LAST SEASON TO DATE…….402 DIFFERENCE……..-53
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….28 ESE AT 11:02 P.M.
ASOS……………………29 ESE AT 11:39 P.M.
DAVIS…………………..27 ESE AT 11:07 P.M. RMY N/A
FASTEST MILE FOR YESTERDAY…………………21 ESE AT 11:55 P.M.*
MAXIMUM 2-MINUTE ASOS AVERAGE………………21 ESE AT 11:02 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..21 E AT 11:01 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..9.5 NNW
ASOS………………….10.2
DAVIS………………….8.8 ESE [070 Deg.]
*last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.99 DEPARTURE……+0.84
ASOS…………..1.00
TOTAL PRECIPITATION FOR THE MONTH……….6.71 DEPARTURE……+2.65
ASOS…………..6.75
TOTAL PRECIPITATION FOR THE YEAR……….34.03 DEPARTURE……-9.11
ASOS………….34.39
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER CALENDAR DAY DATA
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
M: Missing data
10/1 57/52/55/-2/1.22/000/00 33 NNE AERO M RMY 34
10/2 55/52/54/-3/0.19/000/00 23 N AERO M RMY N/A
10/3 69/53/61/+5/0.00/404/58 21 ENE AERO M RMY 20
10/4 61/47/54/-2/T/493/71 26 NE AERO M RMY 27
10/5 61/44/53/-3/0.00/630/91 22 NE AERO M RMY 21
10/6 71/46/59/+4/0.00/682/99 16 SW* AERO M RMY 15
10/7 75/54/65/+10/0.00/679/99 16 S AERO M RMY 16
10/8 69/53/61/+7/0.00/130/19 23 SSW AERO M RMY 23
10/9 63/44/54/0/1.89/000/00 28 N AERO M RMY 34
10/10 57/40/49/-5/0.00/658/97 32 NW AERO M RMY 32
10/11 62/39/51/-2/0.00/655/97 17 N AERO M RMY N/A
10/12 68/49/59/+6/0.00/645/96 17 S AERO M RMY 17
10/13 71/52/62/+9/T/348/52 24 SSW AERO M RMY 28
10/14 58/41/50/-2/0.00/667/100 26 NNW AERO M RMY 25
10/15 58/38/48/-4/0.00/578/87 23 S AERO M RMY 26
10/16 68/46/57/+6/0.00/562/85 28 SSW AERO M RMY 30
10/17 76/58/67/+16/0.00/494/75 23 WSW AERO M RMY N/A
10/18 74/56/65/+14/0.54/210/32 35 SSW AERO M RMY 37
10/19 79/58/69/+19/0.00/549/84 29 SSW AERO M RMY N/A
10/20 64/54/59/+9/0.05/429/66 23 ENE AERO M RMY 22
10/21 75/57/66/+16/1.60/142/22 30 ESE AERO M RMY 31
10/22 65/40/53/+4/0.23/…/.. 37 WSW AERO M RMY N/A
10/23 56/41/49/0/0.00/…/.. 47 W AERO M RMY 50
10/24 59/41/50/+1/T/…/.. 38 W AERO M RMY 40
10/25 48/33/41/-8/0.00/…/.. 33 WNW AERO M RMY 35
10/26 47/32/40/-8/0.00/…/.. 29 WNW AERO M RMY 31
10/27 46/28/37/-11/…./…/.. 28 ESE AERO 28 ESE RMY N/A
10/28 Low temp since midnight is 41F; normal low is now 39F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR OCTOBER 28
HIGH 81F IN 1919
LOW 23F IN 1914
PRECIP 2.46 INCHES IN 2006
SNOWFALL TRACE IN 1934,1957,1979
PEAK GUST 71 MPH SSW IN 1995
RECORDS FOR OCTOBER 29
HIGH 74F IN 1989
LOW 23F IN 1891
PRECIP 2.42 INCHES IN 2012
SNOWFALL 4.0 INCHES IN 2011
PEAK GUST 76 E IN 2012
TODAY’S REPORT PREPARED BY: Cecilia Borries-Strigle
