BLUE HILL METEOROLOGICAL OBSERVATORY 
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, JUNE 8, 2011
ALL TIMES ARE IN EASTERN STANDARD TIME
 
TEMPERATURES CONTINUE TO RISE TODAY 
AS WE REACH FOR THE 90'S BY TOMORROW
WINDS CONTINUE LIGHT FOR 4TH DAY IN A ROW
 
Beginning this morning with a low temperature
of 64 degrees, a full 10 degrees warmer than
normal, things are heating up today. The high
by early this afternoon had reached 88 degrees
so the day will average close to 12 degrees
warmer than normal.  The June average is now
rising past normal after cool conditions during
last weekend. 
Wind continue light for a 4th consecutive day
today and the direction is mostly from the west
to northwest.
The first ripe blueberry of the season was observed
on the summit yesterday close to two weeks ahead
of the average date of June 19 and quite a bit earlier
than a recent early date of June 11.
 
Current Record High Maximum Temperatures
June 8 (Wed)   94F in 1984
June 9 (Thur)  94F in 2008
June 10 (Fri)  98F in 2008
 
Current Record High Minimum Temperatures
June 8 (Wed)   72F in 1999, 2008
June 9 (Thur)  72F in 1984
June 10 (Fri)  72F in 2008
 
Today's observations:
 
7 A.M.  
Weather: Scattered dense cirrus, thin broken cirrus,
few cirrocumulus overhead 
Temperature: 73F, Dew point: 64F; Wind: WNW at 6 kts
Sea-level pressure: 29.90 inches Hg, rising
Visibility: 10 miles, hazy,
6-hour min. temp: 64F
BHO SA 1155 220 SCT 250 BKN 10 124/73/64/3006/990/ PTCHS DNS CI
FEW CC OVHD MSTLY CLR SKY N-E HAZY/ 8/002 53013 10073 20064
 
10 A.M.
Weather: Scattered dense cirrus, thin overcast with breaks in
cirrostratus layer, few altocumulus W-NW
Temperature: 82F, Dew point: 61F; Wind: W at 4 kts,
Wind: Light 
Sea-level pressure: 29.88 inches Hg, falling
Visibility: 20 miles, hazy
BHO SA 1455 220 SCT 300 –OVC 20 120/82/61/2804/988/
FEW AC W-NW PTCH DNS CI SSW-W WND LGT HAZY/ 8/042 58004
 
1 P.M.
Weather: Scattered cirrus and cirrocumulus, thin broken
cirrus
Temperature: 88F, Dew point: 62F; Wind: W at 5 kts,
Wind: Light 
Sea-level pressure: 29.87 inches Hg, falling
Visibility: 20 miles, hazy 
6-hour max. temp: 88F  
BHO SA 1755 220 SCT 250 –BKN 300 –BKN 20 114/88/62/2805/987/
CC OVHD PTCHS DNS CI HAZY WND LGT/ 8/009 58006 10088 20073 
 
WEATHER SUMMARY FOR TUESDAY, JUNE 7
 
TEMPERATURE (DEGREES F)
MAX.....85     NORMAL.....73  
MIN.....59     NORMAL.....54
MEAN....72     NORMAL.....64
 
DEPARTURE FROM 30-YEAR NORMAL...................+8
TOTAL DEPARTURE FOR THE MONTH...................+2 [+0.1 DEGREES/DAY]
 
HEATING DEGREE DAYS    
TOTAL HEATING UNITS FOR YESTERDAY.............0    DEPARTURE.........-4
TOTAL HEATING UNITS FOR THE MONTH............26    DEPARTURE.........-4
TOTAL HEATING UNITS FOR THE SEASON.........6179    DEPARTURE.......-148
TOTAL HEATING UNITS LAST SEASON TO DATE....5644    DIFFERENCE......+535
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..............22 NW  AT 12:10 P.M.
                   AEROVANE...............23 SE  AT  6:13 P.M. 
                   ASOS...................18 NW  AT 12:10 P.M.
                   DAVIS..................21 WNW AT 12:10 P.M.  
THE FASTEST MILE FOR YESTERDAY............14 ESE AT  5:33 P.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE.............14 SE  AT  6:40 P.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE............16 ESE AT  5:34 P.M.  
AVERAGE WIND SPEED AND DIRECTION.........7.8 S 
                   ASOS..................7.4    
                   DAVIS.................7.5 S [180 deg]
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE........-0.13
                         ASOS..............0.00  
TOTAL PRECIPITATION FOR THE MONTH..........0.64  DEPARTURE........-0.27 
                         ASOS..............0.65
TOTAL PRECIPITATION FOR THE YEAR..........22.83  DEPARTURE........+0.18
                        ASOS..............23.47**
**ASOS data is in error due to system failure on 1/12-13   
 
PRELIMINARY CLIMATE SUMMARY FOR JUNE 2011 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 when significant
TSTM: Thunderstorm day (thunder heard some time during day)
....: Data not yet available, records not finalized
 
6/1  80/60/70/+8/0.64/425/47         39 S    AERO 44 MPH S   TSTM
6/2  72/52/62/0/0.00/697/77          50 WSW  AERO 54 MPH WSW
6/3  69/48/59/-3/0.00/870/96         36 W    AERO 39 MPH WNW
6/4  64/46/55/-8/0.00/881/97         27 NE  
6/5  70/46/58/-5/0.00/854/94         20 N
6/6  75/54/65/+2/0.00/.../..         17 SSE
6/7  85/59/72/+8/0.00/.../..         22 NW
 
6/8  our morning low temp: 64F; the normal low temp: 54F  
 
DAILY RECORDS FOR JUNE 2011
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: Robert Skilling/Erin Abbott