BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, JUNE 13, 2008    
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
Today's observations:
 
8 A.M. EDT
Weather: Clear, few altocumulus/ACSL NE-SE
Temperature: 66F, Dew point: 41F,  Wind: NE at 6 kts 
Wind: light and variabile, veering past hour N to ENE
Sea-level pressure: 30.28 inches Hg, rising  
Visibility: 75 miles
6-hourly minimum temperature: 55F
BHO SA 1155 CLR 75 255/66/41/0506/028/ FEW AC/ACSL NE-SE 
THN K LYR SW-NW WND LGT AND VRB WND GRDLY VEERING PST HR/ 
8/040 50003 10066 20055
 
11 A.M. EDT
Weather: Clear, few cirrus S-W
Temperature: 72F, Dew point: 33F,  Wind: E at 5 kts,
Wind: light and variable
Sea-level pressure: 30.29 inches Hg, rising
Visibility: 70 miles
BHO SA 1455 CLR 70 256/72/33/0905/029/ FEW CI S-W 
WND LGT AND VRB/ 8/001 50001
 
2 P.M. EDT
Weather: Clear, few distant cirrus all quadrants except N
Temperature: 78F, Dew point: 39F,  Wind: SW at 4 kts,
Wind: light and variable
Sea-level pressure: 30.22 inches Hg, falling
Visibility: 70 miles
6-hourly max. temperature: 78F
BHO SA 1755 CLR 70 235/78/39/2304/022/ FEW DSNT CI 
ALQDS XCPT N WND LGT AND VRB/ 8/001 58021 10078 20066
 
WEATHER SUMMARY FOR THURSDAY, JUNE 12
 
TEMPERATURE (DEGREES F)
MAX.....78    NORMAL.....75
MIN.....60    NORMAL.....55
MEAN....69    NORMAL.....65
 
DEPARTURE FROM 30-YEAR NORMAL.............+4  
TOTAL DEPARTURE FOR THE MONTH............+81 [+6.6 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY.............0  DEPARTURE........-3
TOTAL HEATING UNITS FOR THE MONTH............27  DEPARTURE.......-18 
TOTAL HEATING UNITS FOR THE SEASON.........5928  DEPARTURE......-414
TOTAL HEATING UNITS LAST SEASON TO DATE....5871  DIFFERENCE......+57
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............28 NW  AT 12:59 P.M.  
                   AEROVANE.............26 NW  AT 12:59 P.M.  
                   ASOS.................26 NNW AT 12:59 P.M.   
                   DAVIS................28 NW  AT 12:59 P.M.
FASTEST MILE FOR YESTERDAY..............19 WNW AT  9:47 A.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE...........18 NW  AT  9:48 P.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE..........21 WNW AT  9:48 A.M.
                   AVERAGE.............11.5 WNW
                   ASOS................10.8 
                   DAVIS...............12.1 WNW [299 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..........0.84   DEPARTURE......-0.72
                         ASOS..............0.85   
TOTAL PRECIPITATION FOR THE YEAR..........23.50   DEPARTURE......+0.20
                         ASOS.............25.89 #
# Includes erroneous ASOS precipitation data on 2/13/08.
 
PRELIMINARY CLIMATE SUMMARY FOR JUNE 2008 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane recording wind system gust when significant
TSTM: Thunderstorm day
....: Data not yet available, records not finalized
  
6/1  79/58/69/+7/0/805/89        32 W  
6/2  76/53/65/+3/0/834/92        28 WNW
6/3  84/58/71/+9/0/707/78        28 S 
6/4  66/54/60/-3/0.53/000/00     25 SSW   Aero 23 MPH SSW
6/5  55/51/53/-10/0.11/000/00    31 N     Aero 28 MPH N
6/6  59/51/55/-8/0.13/000/00     21 SSE
6/7  91/55/73/+9/0.07/575/63     45 SW    Aero 46 MPH SW TSTM  
6/8  91/72/82/+18/0/703/77       31 WSW 
6/9  94/71/83/+19/0/794/87       29 W 
6/10 98/72/85/+21/0/.../..       58 W     Aero 58 MPH W
6/11 85/68/77/+12/0/.../..       28 W     Aero 26 MPH W
6/12 78/60/69/+4/0/.../..        28 NW    Aero 26 MPH NW
 
6/13 morning low temp. of 55F; normal low is now 55F 
 
NEW DAILY RECORDS FOR JUNE TO DATE..
 
6/8 -  MINIMUM TEMPERATURE OF 72F EQUALED 
       RECORD HIGH MINIMUM SET IN 1999.  
6/9 -  MAXIMUM TEMPERATURE OF 94F IS NEW RECORD FOR
       THE DATE, PREVIOUS RECORD 92F IN 1984
6/10 - MAXIMUM TEMPERATURE OF 98F IS NEW RECORD FOR
       THE DATE, PREVIOUS RECORD 92F IN 1967,1974,1984
       MINIMUM TEMPERATURE OF 72F IS NEW RECORD HIGH 
       MINIMUM FOR DATE, PREVIOUS RECORD WAS 71F IN 1984
6/11 - MINIMUM TEMPERATURE OF 68F EQUALED
       RECORD HIGH MINIMUM SET IN 1973, 1984.
        
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR JUNE 13
HIGH 93F IN 1988
LOW 43F IN 1982
PRECIP 6.07 INS 1998 [Record for month]
PEAK GUST 69 MPH N IN 1956
 
RECORDS FOR JUNE 14
HIGH 93F IN 1956
LOW 41F IN 1912
PRECIP 1.49 INS 1896
PEAK GUST 55 MPH WNW IN 1958
 
TODAY'S REPORT PREPARED By: Stephanie Radner