BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, OCTOBER 27, 2007 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
WARM AND HUMID AIRMASS ARRIVES WITH WARM FRONT
A LITTLE OVER ONE THIRD OF AN INCH OF RAINFALL 
OCTOBER TEMPERATURES STILL 7 DEGREES ABOVE NORMAL
 
East winds gradually veering to southeast and then south 
were occurring along and ahead of an approaching warm front
during this morning. Temperatures were on the rise from a 
low of 51F last evening to 59F at 8 a.m. Both temperature and 
dew point had risen to the mid-60s with the passage of the 
warm front late this morning.  Drizzle, light showers and 
intermittent light rain ahead of the front brought just over
one third of an inch of rainfall.
 
Today will become the 12th consecutive day with above normal 
temperatures and October continues unseasonably warm averaging 
7 degrees above normal to date. 
 
Today's observations:
 
7 A.M.   
Weather: Obscurement with fog, very light drizzle occurring 
Temperature: 59F, Dew point: 59F, Wind: SSE at 10 kts 
Sea-level pressure: 30.15 inches Hg, falling  
Visibility: 1/16 mile, light drizzle and heavy fog  
6-hour min temp: 53F
24-hour precipitation: 0.22 inch 
BHO SA 1155 W1 X 1/16L-F 211/59/59/1510/015/ PCPN VRY LGT/ 
8//// 56018 ASOS 60018 MANUAL 6018/ 
ASOS 70024 MANUAL 70022 10059 20053
  
10 A.M.   
Weather: Obscurement with fog, light rain shower occurring  
Temperature: 64F, Dew point: 64F, Wind: S at 16G24 kts
Wind: Direction gradually veering 
Sea-level pressure: 30.11 inches Hg, falling
Visibility: 1/16 light rain shower and heavy fog 
3-hourly precip: 0.14 inch  
BHO SA 1455 W1 X 1/16RW-F 195/64/64/1716G24/011/ WND GRDLY VEERING/ 
8//// 56016 ASOS 60015 MANUAL 6014/
 
WEATHER SUMMARY FOR FRIDAY, OCTOBER 26
 
TEMPERATURE (DEGREES F)
MAX.....58    NORMAL.....57 
MIN.....44    NORMAL.....40
MEAN....51    NORMAL.....48
DEPARTURE FROM 30-YEAR NORMAL.........+  3 
TOTAL DEPARTURE FOR THE MONTH....... .+187 [+7.0 DEGREES/DAY]  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............25 E   AT 10:22 A.M. *          
                   AEROVANE.............25 E   AT 10:22 A.M. *    
                   ASOS.................24 ENE AT  9:30 A.M.   
                   DAVIS................25 E   AT 10:21 A.M.   
FASTEST MILE FOR YESTERDAY..............18 ENE AT  9:32 A.M.  
MAXIMUM 2-MINUTE ASOS AVERAGE...........18 ENE AT  9:31 A.M.     
MAXIMUM 2-MINUTE DAVIS AVERAGE..........19 ENE AT  9:31 A.M.   
AVERAGE WIND SPEED AND DIRECTION.......11.5  E 
                   ASOS............. ..10.9  
                   DAVIS.............. 11.4  ENE [060 deg]
* Last of several occurrences. 

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M... 0.22  DEPARTURE.....+0.07
                         ASOS..............0.24 
TOTAL PRECIPITATION FOR THE MONTH..........2.37  DEPARTURE.....-1.30  
                         ASOS..............2.40    
TOTAL PRECIPITATION FOR THE YEAR..........35.25  DEPARTURE.....-6.02
                         ASOS.............34.52  
 
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/+2/0.01/198/31  22 NNE
10/26 58/44/51/+3/0.01/.../..  25 E 
 
10/27 morning low temp. since midnight 52F; normal low is now 40F  
      rainfall midnight through 7 a.m. is 0.21 inch      

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 27
HIGH 83 IN 1963
LOW 21 IN 1936
PRE 1.79 INCHES IN 1886
SNOW 0.1 INCHES IN 1957
WIND 54 MPH WNW IN 1968
 
RECORDS FOR OCTOBER 28
HIGH 81 IN 1919
LOW 23 IN 1914
PRECIP 2.46 INCHES IN 2006
SNOWFALL TRACE IN 1934,1957,1979
PEAK GUST 71 MPH SSW IN 1995
 
TODAY'S REPORT PREPARED By: Robert Skilling