Wednesday, June 8, 2016

BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, JUNE 8, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME

COOLER TEMPERATURES AND LOW HUMIDITIES AFTER LAST NIGHT’S RAIN

Cooler temps remained in place after last night’s rain which
totaled 0.18 inches.  The morning low was 54F, 1F below normal
and the first below average minimum temp. for the month.  The
maximum temp. for the day was 70F by the 1:00PM EST observation.

Today’s Observations:

7 A.M.
Weather: Few altocumulus in all directions, scattered cirrus
Temperature: 60F; Dew Point: 50F; Wind: W at 10G16 kts
Sea-level pressure: 29.51 ins. Hg, rising unsteadily
Visibility: 40 miles
6-hr Max temp: 60F
6-hr Min temp: 54F
24-hr precip: 0.18
BHO SA 1155 250 SCT 40 992/60/50/2810G16/951/ FEW AC ALQDS/ 8/082 52018
ASOS 70018 MANUAL 70018 10060 20054

10 A.M.
Weather: Scattered cumulus, scattered cirrostratus
Temperature: 66F; Dew Point: 50F; Wind: W at 14G19 kts
Sea-level pressure: 29.49 ins. Hg, falling, then more slowly
Visibility: 40 miles
BHO SA 1455 44 SCT 250 SCT 40 988/66/50/2814G19/949/ 8/108 56004

1 P.M.
Weather: Scattered cumulus, broken cirrostratus
Temperature: 69F; Dew Point: 48F; Wind: W at 13G18 kts,
Wind Direction: variable SW-WNW
Sea-level pressure: 29.48 ins. Hg, falling, then more quickly
Visibility: 40 miles
6-hr Max temp: 70F
6-hr Min temp: 60F
BHO SA 1755 54 SCT E250 BKN 40 984/69/48/2713G18/948/ WND 23V30/
8/108 58004 10070 20060

SUMMARY FOR TUESDAY, JUNE 7, 2016

TEMPERATURE (DEGREES F)
MAX…..83   NORMAL…..73
MIN…..25   NORMAL…..55
MEAN….71   NORMAL…..64

DEPARTURE FROM 30-YEAR NORMAL…………………….+7
TOTAL DEPARTURE FOR THE MONTH……………………+27 [+3.7 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………0   DEPARTURE……….-4
TOTAL HEATING UNITS FOR THE MONTH……………8   DEPARTURE………-22
TOTAL HEATING UNITS FOR THE SEASON………..5256   DEPARTURE…….-1077
TOTAL HEATING UNITS LAST SEASON TO DATE……6479   DIFFERENCE……-1223

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY……………6   DEPARTURE……….+4
TOTAL COOLING UNITS FOR THE MONTH…………..19   DEPARTURE……….+5
TOTAL COOLING UNITS FOR THE SEASON………….67   DEPARTURE………+29
TOTAL COOLING UNITS LAST SEASON TO DATE……..49   DIFFERENCE……..+18

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….32 WNW AT  7:36 P.M.
ASOS……………………32 WNW AT  7:37 P.M.
DAVIS…………………..29 SSW AT 11:53 P.M. RMY 33
FASTEST MILE FOR YESTERDAY…………………22 NNW AT  7:39 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………22 NW  AT  7:39 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..21 WNW AT  7:38 P.M.
AVERAGE WIND SPEED AND DIRECTION………….10.8 S
ASOS………………….11.5
DAVIS…………………9.8 SW [220 Deg.] * Last of several occurrences

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.18  DEPARTURE……+0.02
ASOS…………..0.18
TOTAL PRECIPITATION FOR THE MONTH……….0.94  DEPARTURE……-0.22
ASOS…………..0.96
TOTAL PRECIPITATION FOR THE YEAR……….21.01  DEPARTURE……-2.81
ASOS………….21.40

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

6/1 71/54/63/+1/0.00/…/..                 26 NE  AERO 30 NE  RMY N/A
6/2 68/54/61/-1/0.00/…/..                 21 NE  AERO 22 NE  RMY 21
6/3 70/57/64/+2/T/…/..                    16 SSW AERO 17 SSW RMY 16
6/4 81/61/71/+8/0.00/…/..                 18 S   AERO 21 S   RMY 20
6/5 67/60/64/+1/0.76/000/00                 32 SSE AERO 36 SSE RMY 34
6/6 80/63/72/+9/0.00/…/..                 26 W   AERO 28 W   RMY 27
6/7 83/58/71/+7/0.18/…/…                32 WNW AERO 36 WNW RMY 33

6/8 low temp since midnight is 54F; normal low now 55F

* Last of several occurrences

DAILY RECORDS FOR JUNE 2016
None so far

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR JUNE 8
HIGH 94F IN 1984
LOW 37F IN 1932
PRECIP 1.53 INS IN 1947
PEAK GUST 86e MPH WNW IN 1946 [Record for month]

RECORDS FOR JUNE 9
HIGH 94F IN 2008
LOW 40F IN 1980
PRECIP 2.08 INCHES IN 1931
PEAK GUST 67 MPH NW IN 1973

TODAY’S REPORT PREPARED BY: Cecilia Borries-Strigle