BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, OCTOBER 30, 2007 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
WE'VE HAD 100% OF POSSIBLE SUNSHINE PAST TWO DAYS
TODAY MAY MAKE THREE IN A ROW WITH CLEAR SKY 
EARLY MORNING TEMPS. NOT AS COLD HERE THIS MORNING
 
Today will make three straight days with clear sky 
with the exception of a little high thin cloudiness. 
Also, today may make three in a row with 100% of the
possible bright sunshine.
 
The early morning low temperature was 37 degrees this 
as compared to 30 yesterday morning and afternoon high
temperatures have risen at least 10 degrees warmer than 
yesterday reaching 60 degrees by 2 p.m. 
 
Today's observations:
 
7 A.M.   
Weather: Clear, few cirrus 
Temperature: 40F, Dew point: 29F, Wind: WSW at 13 kts 
Sea-level pressure: 30.34 inches Hg, rising
Visibility: 45 miles, light haze  
6-hour min temp: 37F
24-hour precipitation: 0.00 inches 
BHO SA 1155 CLR 45 274/40/29/2513/034/ FEW CI LGT HZ/ 
8/001 53009 10040 20037 
   
10 A.M.   
Weather: Clear, haze increasing  
Temperature: 53F, Dew point: 37F, Wind: WNW at 7 kts
Wind: Variability WSW-NW and gradually veering past hour  
Sea-level pressure: 30.39 inches Hg, steady
Visibility: 35 miles, hazy 
BHO SA 1455 CLR 35 290/53/37/2907/039/ INCRSNG HZ 
WND GRDLY VEERING WND 26V32/ 51016
 
1 P.M.   
Weather: Clear, few cumulus fractus W-NW, high clouds 
(altocumulus/cirrus) distant N-E 
Temperature: 60F, Dew point: 35F, Wind: W at 8 kts
Wind: Variability SSW-NW 
Sea-level pressure: 30.35 inches Hg, falling
Visibility: 50 miles, light haze
6 hour max. temp. 60F 
BHO SA 1755 CLR 50 277/60/35/2708/035/ FEW CUFRA FRMG W-NW 
FEW ACSL/CI DSNT N-E LGT HZ WND 21V30/ 8/141 58012 10060 20040 
 
WEATHER SUMMARY FOR MONDAY, OCTOBER 29
 
TEMPERATURE (DEGREES F)
MAX.....49    NORMAL.....56 
MIN.....30    NORMAL.....39
MEAN....40    NORMAL.....47
DEPARTURE FROM 30-YEAR NORMAL.........-  7 
TOTAL DEPARTURE FOR THE MONTH.........+189 [+6.3 DEGREES/DAY]  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............22 WNW AT 12:07 P.M. *           
                   AEROVANE.............22 WNW AT 11:33 A.M.       
                   ASOS.................21 WNW AT 12:07 P.M.    
                   DAVIS................22 WNW AT 12:30 A.M.     
FASTEST MILE FOR YESTERDAY..............16 SW  AT 11:52 P.M.    
MAXIMUM 2-MINUTE ASOS AVERAGE...........16 SW  AT 11:53 P.M.       
MAXIMUM 2-MINUTE DAVIS AVERAGE..........17 W   AT  9:48 A.M.     
AVERAGE WIND SPEED AND DIRECTION......10.6 W
                   ASOS...............10.1  
                   DAVIS..............10.8 W [280 deg]
* Last of several occurrences.
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE.....-0.15
                         ASOS..............0.00 
TOTAL PRECIPITATION FOR THE MONTH..........2.66  DEPARTURE.....-1.46  
                         ASOS..............2.71    
TOTAL PRECIPITATION FOR THE YEAR..........35.54  DEPARTURE.....-6.18
                         ASOS.............34.83  
 
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 2007...CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
 
AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available
 
10/1  67/49/58/+1/0/592/84     18 S 
10/2  72/50/61/+5/0/323/46     20 SSE
10/3  73/61/67/+11/0/077/11    23 SSE
10/4  84/65/75/+19/0/425/61    21 SSW
10/5  86/61/74/+19/0/618/89    21 SSW 
10/6  83/62/73/+18/0/526/76    23 WSW
10/7  71/52/61/+7/0.01/110/16  29 NNE 
10/8  58/52/55/+1/0.49/000/00  21 S
10/9  59/50/55/+1/0.10/580/85  29 NNW
10/10 57/50/54/0/0.09/000/00   20 ESE
10/11 58/55/57/+4/0.37/000/00  33 ENE TSTM late evening 
10/12 62/42/52/-1/0.18/135/20  42 W   Aero 43 MPH W 
10/13 59/37/48/-4/0/665/99     25 WNW
10/14 59/42/51/-1/0/629/94     32 W 
10/15 62/38/50/-2/0/426/64     29 WNW   
10/16 61/43/52/+1/0/650/98     25 NW 
10/17 68/41/55/+4/0/455/69     20 SW
10/18 75/57/66/+15/0/151/23    21 S
10/19 70/63/67/+16/0.60/000/00 47 SSE Aero 51 MPH SSE
10/20 70/54/62/+12/0.19/229/35 43 W   Aero 44 MPH W
10/21 73/51/62/+12/0/643/99    25 SSW 
10/22 80/58/69/+19/0/595/92    29 S 
10/23 74/58/66/+17/0.02/135/21 52 SSW  Aero 55 MPH SSW 
10/24 63/50/57/+8/0.10/000/00  24 NW
10/25 54/48/51/+2/0.01/211/33  22 NNE #
10/26 58/44/51/+3/0.01/375/59  25 E  
10/27 66/52/59/+11/0.50/000/00 43 S    Aero 44 MPH S 
10/28 55/36/46/-2/0/631/100    39 WNW  Aero 42 MPH WNW 
10/29 49/30/40/-7/0/629/100    22 WNW 
 
10/30 morning low temp. 37F; normal low is now 39F
 
# sunshine mins. and % changed slightly 
      
NEW DAILY RECORDS FOR OCTOBER 2007:
 
10/4 - RECORD HIGH TEMPERATURE 84F; PREVIOUS 83F IN 1898 and 1959.
     - EQUALED RECORD HIGH MINIMUM TEMPERATURE OF 65F; ALSO IN 1927. 
10/5 - RECORD HIGH TEMPERATURE 86F; PREVIOUS 85F IN 1922
10/6 - EQUALED RECORD HIGH TEMPERATURE 83F; ALSO IN 1990. 
10/19- EQUALED RECORD HIGH MINIMUM TEMPERATURE 63F; PREVIOUS IN 1928. 
10/23 -EQUALED RECORD HIGH MINIMUM TEMPERATURE 58F; ALSO IN 1942
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR OCTOBER 30
HIGH 75 IN 1946,1989
LOW 21 IN 1928
PRECIP 1.85 INCHES IN 1917
SNOWFALL 0.6 INCHES IN 2000
PEAK GUST 66 NW IN 1963
 
RECORDS FOR OCTOBER 31
HIGH 79 IN 1946
LOW 22 IN 1904
PRECIP 3.74 INCHES IN 1991
SNOWFALL TRACE IN 1906
PEAK GUST 70e S IN 1945
 
TODAY'S REPORT PREPARED By: Robert Skilling