Message-Id: <5.1.0.14.0.20010818120522.009ea190@postoffice.harvard.net>
Date: Sat, 18 Aug 2001 14:24:44 -0400
To: (Recipient list suppressed)
From: Mike Iacono <miacono@bluehill.org>
Subject: BLUE HILL MA 181400 -OVC 45 79/63/W14/2994F HI/LO 80/67 
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BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186
ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA
SATURDAY, AUGUST 18, 2001

PLEASE VISIT OUR WEB SITE AT: http:// www.bluehill.org

DAILY DISCUSSION...

THUNDERSTORMS FRIDAY EVENING DROP LOCALLY TORRENTIAL RAIN....
The rainfall total at BHO last night was 0.34", which fell
during a thunderstorm between 9 and 10 PM.  The peak wind gust
for the day was 39 mph W at 9:17 pm during the thunderstorm.
Other rain totals from Friday evening include 1.25" in Milton
(about 3.5 miles from the observatory), 0.89" in Dedham, 0.60"
in Needham, and 1.05" in Hopkinton.  After a sunny day on
Saturday, and a dry start to Sunday, more rain is expected
later Sunday and Monday.

MJI


NEXT MEETING OF THE BLUE HILL OBSERVATORY...

None scheduled.


BLUE HILL OBSERVATIONS
Look for the hourly observations from the Blue Hill ASOS on the Internet.
Our station code is KMQE. One good site is run by the NWS:

http://weather.noaa.gov/weather/current/KMQE.html

The main page for this site is:

http://weather.noaa.gov/index.html


Today's observations:

8 AM
BHO SA 1155 250 -SCT 10 141/67/65/2612/995/ HAZY BND SC DSNT SW-N
THN K LYR ALNG HRZN SW-NE/ 8/501 53007 70034 10070 20066

11 AM
BHO SA 1455 250 -BKN 30 148/75/64/2909/997/ FEW SC DSNT NW-N/
8/501 53007

2 PM
BHO SA 1755 35 SCT 200 SCT 250 -OVC 45 138/79/63/2712/994/ 8/501
57010 10080 20067


WINDS AT BLUE HILL FOR FRIDAY, AUGUST 17:
PEAK WIND GUST FOR FRIDAY...........39 MPH W AT 9:17 PM EDT
                    AEROVANE.........41 MPH W AT 9:20 PM EDT
                    ASOS.............39 MPH W AT 9:16 PM EDT
AVERAGE WIND SPEED AND DIR........16.0 MPH SSW
                    ASOS...........16.6 MPH

WINDS AT BLUE HILL FOR SATURDAY, AUGUST 18:
PEAK WIND GUST THROUGH 2 PM..........23 MPH WSW AT 7:19 AM EDT
                    AEROVANE..........24 MPH WSW AT 7:13 AM EDT
                    ASOS..............22 MPH WSW AT 7:21 AM EDT


TEMPERATURES AT BLUE HILL FOR FRIDAY, AUGUST 17

MAX.....82    NORMAL.....79    ASOS.....82 AT 12:22 PM EDT
MIN.....63    NORMAL.....61    ASOS.....63 AT 4:00 AM EDT
MEAN....73    NORMAL.....70    DEP.....+3    DEP FOR MONTH....+61

August is averaging more than 3.5 degrees above normal per day.

HEATING DEGREE DAYS AT BLUE HILL:
HEATING UNITS FOR FRIDAY................0    DEP........0
HEATING UNITS FOR THE MONTH.............1    DEP.......+1
HEATING UNITS FOR THE SEASON...........17    DEP......+17
HEATING UNITS LAST SEASON.............N/A    DIFF.....N/A


PRECIPITATION DATA AT BLUE HILL.....
TOTAL PRECIPITATION 24 HRS ENDING 8 AM....0.34 IN    DEP....+0.21 IN
                          ASOS.............0.33 IN
TOTAL PRECIPITATION FOR THE MONTH.........3.90 INS   DEP....+1.80 INS
                          ASOS.............3.82 INS
TOTAL PRECIPITATION FOR THE YEAR.........36.43 INS   DEP....+6.80 INS
                          ASOS............33.24 INS


RECORDS FOR AUGUST 18

HIGH   91 IN 1935, 1956
LOW    47 IN 1894
PRE  5.75 INS IN 1955      (HURRICANE DIANE)
WIND   39 MPH SW IN 1991

RECORDS FOR AUGUST 19

HIGH   90 IN 1906, 1966
LOW    48 IN 1958
PRE  7.02 INS IN 1955      (HURRICANE DIANE)
WIND   78 MPH ENE IN 1991  (HURRICANE BOB)

Daily wind records are for the period 1940-2000. Temperature and
precipitation records are for the full period of record 1885-2000.

Mike Iacono