Saturday, June 16, 2018
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, JUNE 16, 2018
ALL TIMES ARE IN EASTERN STANDARD TIME
ABOVE SEASONABLE TEMPERATURES, AND PARTLY CLOUDY SKIES ON GREAT BLUE HILL…
Today was warmer than average on great Blue hill. At the 7:00 AM observation there were scattered cirrus clouds with temperatures in the mid 60’s and dew points in the low 50’s resulting in dry, comfortable conditions. As the day went on temperatures began to climb, with the temperature at 77F along with increasing winds.The observed high temperature so far today was 83F, 8F degrees above the normal of 75F degrees.
Today’s Observations:
7 A.M.
Weather: Scattered cirrus
Temperature: 65F; Dew Point: 52F; Wind: WNW at 8 kts,
Sea-level pressure: 29.99 ins. Hg, rising, then steady
Visibility: 75 miles
6-hr Max temp: 68F
6-hr Min temp: 53F
24-hr Precip: 0.00 ins.
BHO SA 1155 250 -SCT 75 157/65/52/3008/999/ 8/002 51013 10068 20053
10 A.M.
Weather: Thin broken cirrus
Temperature: 77F; Dew Point: 53F; Wind: NNW at 11G17 kts,
Sea-level pressure: 30.01 ins. Hg, falling, then more slowly
Visibility: 75 miles
3-hr Precip: 0.00 ins
BHO SA 1455 E250 -BKN 75 159/77/53/3311G17/001/ 8/004 58005
1 P.M.
Weather: Thin overcast cirrus, few cumulus in all directions
Temperature: 81F; Dew Point: 51F; Wind: NW at 8G16 kts,
Sea-level pressure: 29.97 ins. Hg, falling, then more slowly
Visibility: 75 miles
6-hr Max temp: 83F
6-hr Min temp: 65F
6-hr precip: 0.00 ins.
BHO SA 1755 E250 -OVC 75 150/81/51/3208G16/997/ FEW
CU ALQDS 8/104 56009 10083 20065
SUMMARY FOR FRIDAY, JUNE 15, 2018
TEMPERATURE (DEGREES F)
MAX…..68 NORMAL…..75
MIN…..53 NORMAL…..57
MEAN….61 NORMAL…..66
DEPARTURE FROM 30-YEAR NORMAL…………………….-5
TOTAL DEPARTURE FOR THE MONTH……………………-30 [-2.2 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..4 DEPARTURE………..+2
TOTAL HEATING UNITS FOR THE MONTH………….62 DEPARTURE………..+8
TOTAL HEATING UNITS FOR THE SEASON……….5909 DEPARTURE………-447
TOTAL HEATING UNITS LAST SEASON TO DATE…..5721 DIFFERENCE……..+188
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY……………0 DEPARTURE……….-3
TOTAL COOLING UNITS FOR THE MONTH…………..16 DEPARTURE………-21
TOTAL COOLING UNITS FOR THE SEASON………….78 DEPARTURE………+17
TOTAL COOLING UNITS LAST SEASON TO DATE…….111 DEPARTURE………-33
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………..17 NNW AT 4:24 P.M.*
AERO…………………….16 WNW AT 4:05 P.M.*
ASOS…………………….17 ENE AT 12:12 A.M.
DAVIS……………………18 M AT 4:23 P.M.** RMY 19
FASTEST MILE FOR YESTERDAY………………….12 SW AT 9:39 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………….13 WSW AT 11:52 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE………………13 M AT 9:42 P.M.**
AVERAGE WIND SPEED AND DIRECTION……………7.8 W
ASOS……………………6.9
DAVIS…………………..6.5
* Last of several occurrences
**Davis direction malfunctioning
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……….1.02 DEPARTURE……-1.41
ASOS…………..1.04
TOTAL PRECIPITATION FOR THE YEAR……….28.34 DEPARTURE……+3.43
ASOS………….29.91
PRELIMINARY CLIMATE SUMMARY FOR JUNE 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
6/01 78/62/70/+8/T/…/.. 21 S AERO 21 S RMY N/A
6/02 79/54/67/+5/T/…/.. 26 ENE AERO 25 ENE RMY 27
6/03 59/45/52/-10/0.00/…/.. 28 ENE AERO 25 ENE RMY N/A
6/04 52/45/49/-14/…/…/.. 29 ENE AERO 26 ENE RMY 29
6/05 64/47/56/-7/…./…/.. 24 N AERO 21 N RMY 23 TSTM
6/06 66/50/58/-5/0.00/…/.. 23 S AERO 21 S RMY 22
6/07 69/50/60/-4/0.00/…/.. 25 S AERO 25 S RMY 27
6/08 79/52/66/+2/0.00/…/.. 20 SW AERO 17 SW RMY 18
6/09 79/58/69/+5/0.00/…/.. 22 W AERO 21 W RMY 22
6/10 72/56/64/-1/0.00/…/.. 20 S AERO 18 S RMY 17
6/11 68/51/60/-5/0.00/…/.. 21 ENE AERO 20 SSW RMY N/A
6/12 77/49/63/-2/0.00/…/.. 37 SW AERO 37 SW RMY 39
6/13 74/56/65/0/T/…/.. 35 SW AERO 36 SW RMY 36
6/14 77/61/69/+3/…./…/.. 35 W AERO 36 WNW RMY 37
6/15 68/53/61/-5/…/…/.. 17 NNW AERO 16 WNW RMY 19
6/16 Low temp since midnight is 53F; normal low is now 57F
DAILY RECORDS FOR JUNE 2018
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JUNE 16
HIGH 92F IN 1891, 1967
LOW 44F IN 1926
PRECIP 2.17 INS IN 1931
PEAK GUST 55 MPH W IN 1958
RECORDS FOR JUNE 17
HIGH 93F IN 1894
LOW 44F IN 1920
PRECIP 2.79 INS 2001 (Sub-Tropical storm ALLISON)
PEAK GUST 55e MPH S IN 1977
TODAY’S REPORT PREPARED BY: Devin Richardt/Michael Iacono
