BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, SEPTEMBER 9, 2005
ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted]


Today's observations:

7 A.M. EST
Weather: Overcast cirrus with breaks
Temperature: 64F, Dew point: 60F, Wind: NW at 11 kt
Sea-level pressure: 30.01 inches Hg, rising
Visibility: 12 miles with haze
BHO SA 1155 200 OVC 12 164/64/60/3111/001/ FEW BINOVC ALQDS HAZY/ 8/001 53013 
10064 20062

10 A.M. EST
Weather: Broken stratocumulus, overcast cirrus
Temperature: 68F, Dew point: 59F, Wind: NNE at 10 kt
Sea-level pressure: 30.06 inches Hg, rising
Visibility: 40 miles
BHO SA 1455 25 BKN 200 OVC 40 181/68/59/0210/006/ FEW BINOVC E HAZY NW-N/ 8/401 
51017


WEATHER SUMMARY FOR THURSDAY, SEPTEMBER 8

TEMPERATURE (DEGREES F)
MAX.....83   NORMAL.....73    ASOS.....83 AT N/A
MIN.....59   NORMAL.....56    ASOS.....59 AT N/A
MEAN....71   NORMAL.....65
DEPARTURE FROM 30-YEAR NORMAL......+6
TOTAL DEPARTURE FOR THE MONTH.....+29 (+3.6 DEGREES/DAY)


PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY.........23 SSW AT 2:45 P.M.
                   AEROVANE..........25 SSW AT 2:43 P.M.
                   ASOS..............21 SSW AT N/A
FASTEST MILE FOR YESTERDAY...........16 SSW AT 2:44 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE........N/A
AVERAGE WIND SPEED AND DIRECTION....9.8 SSW
                   ASOS.............N/A


PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00   DEPARTURE....-0.14
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........0.41   DEPARTURE....-0.64
                         ASOS..............N/A
TOTAL PRECIPITATION FOR THE YEAR..........39.50   DEPARTURE....+5.13
                         ASOS..............N/A*
*EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28.


PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 2005......CALENDAR DAY DATA
DATA REPORTED:
DATE  MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST

AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available

9/1   81/73/73/+6/0.41/773/98     28 WNW
9/2   83/62/73/+7/0/786/100       23 WSW
9/3   78/61/70/+4/0/782/100       25 WNW
9/4   78/60/69/+3/0/725/93        21 NE
9/5   70/57/64/-1/0/770/99        24 NNE
9/6   74/56/65/0/775/100          16 S
9/7   81/57/69/+4/0/742/96        21 S
9/8   83/59/71/+6/0/.../..        23 SSW
9/9   MORNING LOW 62 DEGREES


DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR SEPTEMBER 9
HIGH      91F IN 2002
LOW       41F IN 1938
PRECIP    1.97 INCHES IN 1969
PEAK GUST 52 MPH WNW IN 1969, NW IN 1978

RECORDS FOR SEPTEMBER 10
HIGH      90F IN 1931,1989
LOW       41F IN 1956
PRECIP    5.60 INCHES IN 1999 (DAILY RECORD FOR SEPTEMBER)
PEAK GUST 48 MPH NW IN 1972

TODAY'S REPORT BY: Andrew Hoell