Monday, June 29, 2015
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, JUNE 29, 2015
ALL TIMES ARE IN EASTERN STANDARD TIME
SLOW DRY OUT MONDAY, 1.51 INCHES OF RAIN FALL
OVER THE WEEKEND
Rain and drizzle came to an end early this morning, with
a storm total of 1.51 inches of precipitation falling since
Saturday evening. As mentioned yesterday, this rainfall will
officially place June as a wetter than normal month for
the first time since February with 4.90 inches falling
so far this month with one more day to go. The departure
for the month sits at 0.82 inches as of today.
Fog has been slow to clear and lift today, with mostly
cloudy conditions of two layers of cumulus and stratocumulus
by the 1:00 PM EST observation. A maximum temperature of
70F had been recorded by this time as well.
Today’s Observations:
7 A.M.
Weather: Fog
Temperature: 54F; Dew Point: 53F; Wind: estimated SW at 3 kts,
Wind Speed: Light
Sea-level pressure: 29.85 ins. Hg, rising, then more slowly
Visibility: 3 miles, fog
6-hr Max temp: 54F
6-hr Min temp: 50F
24-hr precip: 0.45 ins.
BHO SA 1155 E3 OVC 3F 109/54/53/E2303/985/ WND LGT/ 8//// 51010
ASOS 70047 MANUAL 70045 10054 20050
10 A.M.
Weather: Broken stratocumulus
Temperature: 62F; Dew Point: 58F; Wind: estimated WSW at 4 kts,
Wind Speed: Light
Sea-level pressure: 29.86 ins. Hg, rising slightly
Visibility: 35 miles, thin fog in all directions
BHO SA 1455 E6 BKN 35 111/62/58/E2504/986/ THN FG ALQDS WND LGT/
8/500 50002
1 P.M.
Weather: Broken cumulus, broken stratocumulus
Temperature: 70F; Dew Point: 60F; Wind: SW at 7 kts,
Sea-level pressure: 29.86 ins. Hg, rising slightly
Visibility: 70 miles
6-hr Max temp: 70F
6-hr Min temp: 53F
BHO SA 1755 E21 BKN 30 BKN 70 113/70/60/2207/986/ 8/800 50002
10070 20053
SUMMARY FOR SUNDAY, JUNE 28, 2015
TEMPERATURE (DEGREES F)
MAX…..59 NORMAL…..79
MIN…..50 NORMAL…..61
MEAN….55 NORMAL…..70
DEPARTURE FROM 30-YEAR NORMAL…………………..-15
TOTAL DEPARTURE FOR THE MONTH…………………..-38 [-1.6 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..10 DEPARTURE………..+9
TOTAL HEATING UNITS FOR THE MONTH…………..97 DEPARTURE……….+25
TOTAL HEATING UNITS FOR THE SEASON………..6501 DEPARTURE………+126
TOTAL HEATING UNITS LAST SEASON TO DATE……6422 DIFFERENCE………+79
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY……………0 DEPARTURE……….-5
TOTAL COOLING UNITS FOR THE MONTH…………..83 DEPARTURE………-10
TOTAL COOLING UNITS FOR THE SEASON…………132 DEPARTURE………+15
TOTAL COOLING UNITS LAST SEASON TO DATE……..92 DIFFERENCE……..+40
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….39 ENE AT 5:46 A.M.
ASOS……………………43 ENE AT 5:47 A.M.
DAVIS…………………..41 ENE AT 5:46 A.M. RMY 38
FASTEST MILE FOR YESTERDAY…………………32 E AT 5:47 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………32 E AT 5:47 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..30 E AT 5:47 A.M.
AVERAGE WIND SPEED AND DIRECTION…………. 17.7 E
ASOS…………………..16.5
DAVIS………………….15.8 ENE [057 deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…..0.45 DEPARTURE…..+0.35
ASOS……………0.47
TOTAL PRECIPITATION FOR THE MONTH………..4.90 DEPARTURE…..+0.82
ASOS……………4.92
TOTAL PRECIPITATION FOR THE YEAR………..24.27 DEPARTURE….-2.34
ASOS……………N/A ***
*** ASOS annual totals not available due to erroneous readings
PRELIMINARY CLIMATE SUMMARY FOR JUNE 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 48/46/47/-15/0.69/000/00 32 NE RMY 34
6/2 47/44/46/-16/…./000/00 28 NNE RMY 28
6/3 59/44/52/-10/0.00/172/19 16 ESE RMY 16
6/4 63/46/55/-8/0.00/445/49 17 E RMY 16
6/5 70/49/60/-3/T/500/55 17 NNE RMY 17
6/6 65/52/59/-4/0.06/382/42 26 ENE RMY 27
6/7 73/49/61/-3/0.00/884/97 28 S RMY 29
6/8 73/50/62/-2/T/310/34 41 SSW RMY 48
6/9 76/61/69/+4/0.03/228/25 29 SSW RMY 32
6/10 82/57/70/+5/0.00/840/92 24 WSW RMY N/A
6/11 85/61/73/+8/0.00/594/65 29 SSW RMY 32
6/12 86/65/76/+11/…./522/57 26 S RMY 29
6/13 83/67/75/+10/T/586/64 24 N RMY 27
6/14 75/61/68/+2/0.00/641/70 21 SSE RMY 21
6/15 61/52/57/-9/…./000/00 25 SE RMY 26
6/16 73/56/65/-1/…./009/01 18 NW RMY N/A
6/17 70/57/64/-3/0.00/605/66 28 NE RMY 28
6/18 76/54/65/-2/0.00/669/73 22 S RMY 26
6/19 84/60/72/+5/T/642/70 24 SSW RMY 22
6/20 75/56/66/-2/…./559/61 23 SSE RMY N/A
6/21 76/60/68/0/…./202/22 26 S RMY 29
6/22 83/63/73/+5/0.00/770/84 20 WNW RMY 19
6/23 85/67/76/+8/0.01/284/31 36 S RMY 38
6/24 82/62/72/+3/0.00/899/98 25 WNW RMY 27
6/25 80/60/70/+1/0.00/605/66 21 W RMY N/A
6/26 72/58/65/-4/0.01/…/.. 23 NNE RMY 21
6/27 73/56/65/-4/…./…/.. 32 ESE RMY N/A
6/28 59/50/55/-15/…./000/00 39 ENE RMY 38
6/29 low since midnight is 50F; normal low is now 61F
DAILY RECORDS FOR JUNE 2015
6/1- NEW RECORD LOW MAXIMUM TEMPERATURE OF 48F
surpasses previous record of 51F in 2004
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JUNE 29
HIGH 93F IN 1933
LOW 42F IN 1919
PRECIP 1.60 INS IN 1889
PEAK GUST 49 MPH S IN 1957
RECORDS FOR JUNE 30
HIGH 94F IN 1964
LOW 47F IN 1919
PRECIP 3.04 INS IN 1921
PEAK GUST 51 MPH WNW IN 1957
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
