BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, JUNE 8, 2009   
ALL TIMES ARE IN EASTERN STANDARD TIME
 
A DRY JUNE TO DATE AND OUR 
PRECIPITATION FOR 2009 FALLS 
FOUR INCHES BELOW THE NORMAL 
 
A very small amount of rain fell here
on Friday and early Saturday morning 
amounting to only 0.06 inch. June rainfall
is approaching one inch below normal and
the year's departure has now dropped to
more than 4 inches below normal. 
 
A half inch or more of rainfall
occurred late last week to our south
over the southern half of Bristol and
Plymouth counties. Rainfall totals of
of 0.53 inch at Taunton, 0.45 inch
at Plymouth, 0.53 at Providence and
and 0.83 inch at New Bedford were
recorded for the 24 hours ending at
8 A.M. EDT Saturday morning.  
 
Today's observations:
 
7 A.M.  
Weather: Overcast altocumulus, breaks in the overcast
to the south thru southwest and northwest to northeast 
Temperature: 59F, Dew point: 47F, Wind: N at 5 kts
Sea-level pressure: 30.01 inches Hg, rising
Visibility: 60 miles, 70 miles northwest
6-hour minimum temp: 57F
BHO SA 1155 80 SCT E95 OVC 60 164/59/47/3505/001/
BINOVC S-SW AND NW-NE VSBY NW 70 WND LGT/ 8/07/ 51008
10060 20057
 
10 A.M.  
Weather: Broken altocumulus, clearing NW-NE, few
small cumulus forming distant north 
Temperature: 63F, Dew point: 46F, Wind: ENE at 3 kts
Sea-level pressure: 30.03 inches Hg, rising
Visibility: 60 miles, 70 miles northwest
BHO SA 1455 E130 BKN 60 169/63/46/0603/003/ FEW SML CU FRMG DSNT N
SKY CLRG NW-NE VSBY NW 70 WND LGT/ 8/030 53005
 
1 P.M.  
Weather: Thin broken cirrus 
Temperature: 70F, Dew point: 49F, Wind: SSW at 6 kts
Sea-level pressure: 29.99 inches Hg, falling
Visibility: 60 miles, 70 miles northwest
BHO SA 1755 250 –SCT 300 –BKN 60 156/70/49/2106/999/
FEW CUFRA/SML CU FEW ACSL ALQDS VSBY NW 70 WND LGT/
8/141 58013 10071 20059
 
WEATHER SUMMARY FOR SUNDAY, JUNE 7
 
TEMPERATURE (DEGREES F)
MAX.....79    NORMAL.....73
MIN.....56    NORMAL.....54
MEAN....68    NORMAL.....64
 
DEPARTURE FROM 30-YEAR NORMAL...........+4
TOTAL DEPARTURE FOR THE MONTH...........-6 [-1.1 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY.............0  DEPARTURE.......-3
TOTAL HEATING UNITS FOR THE MONTH............25  DEPARTURE.......-5
TOTAL HEATING UNITS FOR THE SEASON.........6146  DEPARTURE.....-181
TOTAL HEATING UNITS LAST SEASON TO DATE....5928  DIFFERENCE....+218
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY.............28 W    AT 3:07 P.M. *
                   AEROVANE..............24 W    AT 3:07 P.M. 
                   ASOS..................25 W    AT 3:07 P.M.
                   DAVIS.................29 W    AT 1:44 P.M. 
FASTEST MILE FOR YESTERDAY...............18 WSW  AT 12:23 P.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE............17 WSW  AT  3:14 P.M. 
MAXIMUM 2-MINUTE DAVIS AVERAGE...........19 WSW  AT 12:25 P.M. 
AVERAGE WIND SPEED AND DIRECTION........9.5 W 
                   ASOS.................8.6
                   DAVIS................9.3 W  [260 DEG]
* last of several occurrences
 
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  JUNE..............0.06  DEPARTURE....-0.85
                         ASOS..............0.05 
TOTAL PRECIPITATION FOR THE YEAR..........18.56  DEPARTURE....-4.09
                         ASOS.............19.60 
 
PRELIMINARY CLIMATE SUMMARY FOR JUNE 2009 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/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  69/41/55/-7/0/706/78          29 SSW    AERO 25 MPH SSW
6/2  76/53/65/+3/T/525/58          28 S      AERO 24 MPH S
6/3  69/54/62/0/T/254/28           23 SSW    
6/4  73/53/63/0/0/.../..           22 SSE    
6/5  64/51/58/-5/0.05/.../..*      21 NE
6/6  73/51/62/-1/0.01/.../..*      25 SSE
6/7  79/56/68/+4/0/.../..          28 W      AERO 24 MPH W
 
6/8  our morning low temp: 57F; the normal low is now 54F
 
* corrections have been made to our daily precip. totals
  for 6/5 and 6/6;
  6/5 was 0.06 in., now 0.05 in.; 6/6 was 0.00 is now 0.01 in. 
 
NEW DAILY RECORDS FOR JUNE 2009 TO DATE...
None
 
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