BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, JUNE 11, 2007   
ALL TIMES ARE IN EASTERN STANDARD TIME
 
SUNSHINE WITH SCATTERED TO BROKEN HIGH CLOUDINESS TODAY
TEMPERATURES REACHING MIDDLE AND UPPER 70'S DESPITE NE WINDS
 
The cloudiness backing in from the northeast appears to be 
diminishing as it moves westward today leaving us with lots
of sunshine and pleasantly mild above normal temperatures 
with the normal maximum still at 74 degrees for this date.  
 
Today's observations:
 
7 A.M.   
Weather: High thin broken clouds
Temperature: 66F, Dew point: 60F, Wind: NNE at 08 kts 
Sea-level pressure: 30.01 inches Hg, rising 
Visibility: 25 miles, thin fog     
6-hour min temp. 62F   
BHO SA 1155 E85 OVC 25 164/66/60/0208/001/ FEW LWR AC 
BINOVC ALQDS/ 8/070 51008 10066 20062  
    
10 A.M. 
Weather: Thin broken middle and high clouds, few cumulus 
Temperature: 74F, Dew point: 61F, Wind: NE at 02 kts (estimated)
Wind: Light and variable 
Sea-level pressure: 30.01 inches Hg, falling
Visibility: 30 miles, light haze  
BHO SA 1455 80 SCT 140 –BKN 250 –BKN 30 161/74/61/E0402/001/ 
CUFRA FRMG FEW CU ALQDS WND L/V/ 8/171 58003
    
1 P.M. 
Weather: Thin broken middle and high clouds, cumulus SE-SW-N
Moderate Cu  
Temperature: 74F, Dew point: 61F, Wind: NE at 12G20 kts 
Wind: Variability N-E 
Sea-level pressure: 29.96 inches Hg, falling
Visibility: 30 miles, light haze  
6-hour max. temp. 77 deg. 
 
WEATHER SUMMARY FOR SUNDAY, JUNE 10 
 
TEMPERATURE (DEGREES F)
MAX.....70    NORMAL.....74 
MIN.....50    NORMAL.....54
MEAN....60    NORMAL.....64
DEPARTURE FROM 30-YEAR NORMAL...........-4
TOTAL DEPARTURE FOR THE MONTH...........+5 (+0.3 DEGREES/DAY)
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............5  DEPARTURE.........+2
TOTAL HEATING UNITS FOR THE MONTH...........38  DEPARTURE.........-1  
TOTAL HEATING UNITS FOR THE SEASON........5869  DEPARTURE.......-467
TOTAL HEATING UNITS LAST SEASON TO DATE...5785  DIFFERENCE.......+84 
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............22 ENE AT 10:52 A.M. * 
                   AEROVANE.............20 ENE AT 10:52 A.M.   
                   ASOS.................N/A  #
                   DAVIS................20  NE AT  9:55 A.M.    
FASTEST MILE FOR YESTERDAY..............15  N  AT  3:42 A.M.   
MAXIMUM 2-MINUTE ASOS AVERAGE...........N/A  # 
MAXIMUM 2-MINUTE DAVIS AVERAGE..........15 ENE AT  9:56 A.M.   
AVERAGE WIND SPEED AND DIRECTION....... 9.9 NE
                   ASOS.................N/A  #
                   DAVIS................9.7 NNE [020 deg]  
* last of several occurrences
# ASOS WINDS SWITCHED OFF BY NWS 6/6, IT IS NOT KNOWN WHEN 
THAT DATA WILL RESUME
 
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..........1.83  DEPARTURE.....+0.53 
                         ASOS..............1.85    
TOTAL PRECIPITATION FOR THE YEAR..........25.99  DEPARTURE.....+3.08
                         ASOS.............25.49   
 
PRELIMINARY CLIMATE SUMMARY FOR JUNE 2007......CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
 
AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available
 
6/1  87/56/72/+10/0.12/.../..       45 NNW  Aero 44 MPH TSTM AM/PM
6/2  87/64/76/+14/0.01/.../..       23 SSE  TSTM PM    
6/3  68/50/59/-3/0.14/000/000       24 NNE  TSTM AM (no rain)
6/4  63/50/57/-6/1.52/000/00        35 NE   TSTM 10:15-10:50 A.M. 
6/5  78/57/68/+5/0.01/.../..        38 S   
6/6  70/49/60/-3/0/.../..           35 W   
6/7  69/44/57/-7/0/.../..           23 W
6/8  78/58/68/+4/0/.../..           20 WSW
6/9  63/54/59/-5/0.02/000/00        18 ENE
6/10 70/50/60/-4/0/.../..           22 ENE 
 
6/11 morning low temp. 62 deg; normal now 55 deg.  
 
      NEW DAILY RECORDS FOR JUNE: 
 
6/4 - NEW RECORD DAILY RAINFALL OF 1.52 INS; THE PREVIOUS 
      RECORD WAS 1.29 INS. IN 1898.
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR JUNE 11
HIGH 92F IN 1973,1984,1997
LOW 40F IN 1972
PRECIP 2.66 INS 1922
PEAK GUST 43e MPH S IN 1945
 
RECORDS FOR JUNE 12
HIGH 92F IN 1973
LOW 40F IN 1906
PRECIP 1.79 INS 1955
PEAK GUST 58 MPH NW IN 1991
 
TODAY'S REPORT PREPARED By: Robert Skilling/Eli Melaas