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

DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY OCTOBER 13, 2004 

TODAY'S DISCUSSION...2 p.m. 

Completely sunny skies with 80 to 90 miles visibility today.  Early
afternoon temp. heading into the upper 60's with light west to
west-southwest winds making for just a beautiful October day.

TODAY'S OBSERVATIONS...

8 a.m. clear just a few cirrus south thru west with 80 to 90 miles visibility;
temp. 44; dewpoint 35; wind west at 15 mph; six hourly min. temp. 41;
24 hourly precipitation 0.05 inch...

BHO SA 1155 CLR 80 047/44/35/2813/967/ FEW CI DSNT S-W WND GRDLY VEERING/
8/001 53007 ASOS 70005 MANUAL 70005 10044 20041

11 a.m. clear with just a few cirrus sse-w and 80 to 90 miles visibility;
temp. 58; dewpoint 36; wind wnw at 08 mph...

BHO SA 1455 CLR 80 055/58/36/3007/969/ FEW CI DSNT SSE-W WND 27V34/
8/001 50008

2 p.m. clear with few cirrus sse-sw-nnw and 90 miles visibility;
temp. 66; dewpoint 35; wsw at 07 mph; six hourly max. temp. 66 deg.

BHO SA 1755 CLR 90 045/66/35/2506/966/ FEW CI SSE-SW-NNW/
8/001 58008 10066 20044  


ALL TIMES EASTERN DAYLIGHT TIME..

WEATHER SUMMARY FOR TUESDAY OCTOBER 12:

TEMPERATURE (DEGREES F)
MAX.... 59    NORMAL.....62     HAZEN SHELTER 59.4 @ 4:42 p.m.
MIN.....45    NORMAL.....44     HAZEN SHELTER 45.0 @ 3:01 a.m.    
MEAN....52    NORMAL.....53   

DEPARTURE FROM 30-YEAR NORMAL.....- 1
TOTAL DEPARTURE FOR THE MONTH.....+19 (+1.4 DEGREES/DAY)
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)

PEAK WIND GUST FOR YESTERDAY........35 WNW AT 5:20 A.M.
                   AEROVANE.........39 WNW AT 5:20 A.M.
                   ASOS.............33 WNW AT 7:02 A.M. 
                   DAVIS............38 WNW AT 11:01 A.M.  
                                  
FASTEST MILE FOR YESTERDAY..........26 WNW AT  6:28 A.M.                                           
           HIGHEST ASOS  2 MIN AV...26 WNW AT  1:39 P.M.                       
           HIGHEST DAVIS 1 MIN AV...29 NW  AT 11:02 A.M.

AVERAGE WIND SPEED AND DIRECTION..  17.0 WNW 
                   ASOS...........  16.4 WNW  / 290 deg.                  
                   DAVIS..........  16.9 NW  /  320 deg.  

PRECIPITATION (INCHES)
TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.05   DEPARTURE....-0.09
                         ASOS..............0.05
TOTAL PRECIPITATION FOR THE MONTH..........0.07   DEPARTURE....-1.61
                         ASOS..............0.07
TOTAL PRECIPITATION FOR THE YEAR..........42.33   DEPARTURE....+3.05
                         ASOS.............40.67               
                                    
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 2004......CALENDAR DAY DATA
DATA REPORTED: 24 HOUR PERIODS ENDING MIDNIGHT EST
DATE  MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
... SUNSHINE DATA NOT YET AVAILABLE *
*   sunshine data updated thru 10/12....

10/1  68/51/60/+3/0/591/84      16 MPH ESE
10/2  68/52/60/+4/0.01/056/08   22 MPH S
10/3  59/46/53/-3/0/621/89      27 MPH NNW
10/4  68/46/57/+1/0/626/90      23 MPH W
10/5  55/40/48/-7/0/665/96      32 MPH NW   Aero 35 MPH NW
10/6  61/37/49/-6/0/669/97      23 MPH SSW
10/7  71/46/59/+4/0/653/95      17 MPH WSW
10/8  74/54/64/+10/0/650/95     23 MPH S
10/9  71/56/64/+10/0/143/21     28 MPH S
10/10 66/48/57/+3/T/251/37      27 MPH NW                                                
10/11 62/45/54/+1/0/412/61      30 MPH WNW  Aero 35 MPH WNW
10/12 59/45/52/-1/0.06/155/23   35 MPH WNW  Aero 39 MPH WNW                        

10/13 morning low temp. 41 deg; normal now 44 deg.

OUR DAILY EXTREMES....

Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR OCTOBER 13
HIGH 84 IN 1930,1954
LOW 30 IN 1934,1936,1988
PRECIP 5.92 INCHES IN 1895
SNOWFALL 4.2 INCHES IN 1934
PEAK GUST 46e MPH W IN 1950

RECORDS FOR OCTOBER 14
HIGH 79F IN 2000
LOW 28F IN 1958
PRECIP 2.69 INCHES IN 1990
SNOWFALL 2.0 INCHES IN 1913
PEAK GUST 63e W IN 1976

Today's report:  Robert Skilling