BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, JUNE 11, 2008    
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
A new record high temperature of 98 degrees occurred
yesterday early afternoon (98.0) at 1:49 P.M. The
previous record high for the date was 92 degrees in 
1984 and earlier years.  The record high for yesterday
was also a tie for the second hottest temperature 
on our entire record for the month of June--98 on June 
3, 1919. 
 
A peak wind gust to 58 MPH W occurred shortly after midnight
early this morning with the passage of a squall line.  Not 
a drop of rain was recorded.  Thunder may have been heard. 
 
THE HIGHEST JUNE TEMPERATURES ON RECORD.... 
Deg. F
1. 99 ON 6/4/1919
2. 98 ON 6/3/1919
3. 98 ON 6/10/2008 
4. 96 ON 6/26/1952
5. 95 ON 6/28/1991 *
  *also in earlier years
 
Here's a look at early season heat waves at Blue Hill:
 
1) May 2-4, 2001 (3-day)
2) May 28-31, 1929 (4-day)
3) Jun 3-5, 1919 (3-day)
4) Jun 3-6, 1925 (4-day)
5) Jun 7-10, 2008 (4-day)
6) Jun 8-11, 1984 (4-day)
7) Jun 13-15, 1956 (3-day)
8) Jun 13-15, 1988 (3-day)
 
Today's observations:
 
8 A.M. EDT
Weather: Thin scattered cirrus, few cumulus forming distant 
NW-NNW, altocumulus distant E-SSW, few lower dense cirrus 
Temperature: 71F, Dew point: 59F,  Wind: WNW at 11G19 kts 
Sea-level pressure: 29.98 inches Hg, rising  
Visibility: 55 miles 
6-hourly minimum temperature: 68F
24-hourly precip. 0.00 
BHO SA 1155 250 –SCT 300 –SCT 55 152/71/59/2911G19/998/
FEW CU FRMG DSNT NW-NNW AC/FEW ACC DSNT E-SSW PTCHS 
LWR DENS CI/ 8/182 51020 10071 20068
 
11 A.M. EDT
Weather: Clear, few cumulus distant NW-NNW, few cirrus  
Temperature: 77F, Dew point: 56F,  Wind: W at 10 kts,
Wind: direction variability SW-NW
Sea-level pressure: 30.00 inches Hg, steady
Visibility: 65 miles 
BHO SA 1455 CLR 65 160/77/56/2810/000/ FEW CU DSNT 
NW-NNW FEW CI WND 23V32/ 8/101 51008  
 
2 P.M. EDT
Weather: Thin scattered cirrus, few cumulus
Temperature: 83F, Dew point: 51F,  Wind: WSW at 8 kts 
Wind: direction variability SSW-N
Sea-level pressure: 29.98 inches Hg, falling
Visibility: 55 miles
6-hourly max. temperature: 83F
BHO SA 1755 250 –SCT 55 153/83/51/2508/998/ FEW CU 
WND 21V35/ 8/101 58007 10083 20071   
 
WEATHER SUMMARY FOR TUESDAY, JUNE 10
 
TEMPERATURE (DEGREES F)
MAX.....98    NORMAL.....74
MIN.....72    NORMAL.....54
MEAN....85    NORMAL.....64
 
DEPARTURE FROM 30-YEAR NORMAL............+21  
TOTAL DEPARTURE FOR THE MONTH............+65 [+6.3 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY.............0  DEPARTURE........-3
TOTAL HEATING UNITS FOR THE MONTH............27  DEPARTURE.......-12 
TOTAL HEATING UNITS FOR THE SEASON.........5928  DEPARTURE......-408
TOTAL HEATING UNITS LAST SEASON TO DATE....5869  DIFFERENCE......+59
  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............58 W   AT 11:11 P.M.  
                   AEROVANE.............58 W   AT 11:11 P.M.  
                   ASOS.................55 W   AT 11:11 P.M.   
                   DAVIS................52 W   AT 11:10 P.M.   
FASTEST MILE FOR YESTERDAY..............39 W   AT 11:11 P.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE...........38 W   AT 11:12 P.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE..........39 W   AT 11:12 P.M.   
                   AVERAGE.............10.4 S
                   ASOS................10.3        
                   DAVIS................9.1 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..........0.84   DEPARTURE......-0.46
                         ASOS..............0.85   
TOTAL PRECIPITATION FOR THE YEAR..........23.50   DEPARTURE......+0.46
                         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/.../000/00      25 SSW   Aero 23 MPH SSW
6/5  55/51/53/-10/.../000/00     31 N     Aero 28 MPH N
6/6  59/51/55/-8/.../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 morning low temp. of 68F; 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 - MAXIMIM 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
        
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/Stephanie Radner