BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, JUNE 4, 2008    
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
HALF INCH OF RAINFALL AND VERY COOL TEMPERATURES
 
After a very warm 84-degree high temperature yesterday, 
today was a very different day with rain and fog and 
cool daytime temperatures held to the upper 50's after
and early morning high of 66 degrees.  Rainfall had 
totaled one half inch by early afternoon.
 
Today's observations:
 
8 A.M. EDT
Weather: Overcast with nimbostratus, light rain  
Temperature: 58F, Dew point: 55F,  Wind: S at 8 kts
Sea-level pressure: 29.95 inches Hg, rising
Visibility: 12 miles, light rain, thin fog  
6-hourly minimum temperature: 58F
24-hour rainfall: 0.03 in. 
BHO SA 1155 E85 OVC 12R- 141/58/55/1708/995/
FEW SC SW-WSW THN FG PCPN VRY LGT/ 8/52/ 
51010 ASOS 60003 MANUAL 6003/ ASOS 70003
MANUAL 70003 10065 20058 
  
11 A.M. EDT
Weather: Obscurement with fog, light rain  
Temperature: 57F, Dew point: 57F,  Wind: E at 8 kts
Wind: direction gradually backing  
Sea-level pressure: 29.92 inches Hg, falling 
Visibility: 1/8 mile
3-hourly rainfall: 0.18 inch  
BHO SA 1455 W3 X 1/8R-F 131/57/57/1008/992/ 
WND GRDLY BACKING/ 8//// 58010 ASOS 60018 
MANUAL 6018/
 
2 P.M. EDT
Weather: Obscurement with fog, light drizzle 
Temperature: 57F, Dew point: 57F,  Wind: E at 10 kts
Sea-level pressure: 29.88 inches Hg, falling
Visibility: 1/16 variable to 1/8 mile   
6-hourly max. temp. 58F  
6-hourly rainfall: 0.46 in. 
BHO SA 1755 W3 X 1/16VL-F 118/57/57/0810/988/ 
VSBY 1/16V1/8/ 8//// ASOS 60047
MANUAL 6046/ 10058 20057 
  
WEATHER SUMMARY FOR TUESDAY, JUNE 3
 
TEMPERATURE (DEGREES F)
MAX.....84    NORMAL.....72
MIN.....58    NORMAL.....53
MEAN....71    NORMAL.....62
 
DEPARTURE FROM 30-YEAR NORMAL............+9  
TOTAL DEPARTURE FOR THE MONTH............+19 [+6.1 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY.............0  DEPARTURE........-4
TOTAL HEATING UNITS FOR THE MONTH.............0  DEPARTURE.......-14 
TOTAL HEATING UNITS FOR THE SEASON.........5901  DEPARTURE......-410
TOTAL HEATING UNITS LAST SEASON TO DATE....5837  DIFFERENCE......+64  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............28 S   AT  10:10 P.M. *         
                   AEROVANE.............28 S   AT   5:01 P.M.    
                   ASOS.................29 SSW AT   3:01 P.M.         
                   DAVIS................32 SSW AT  10:08 P.M.            
FASTEST MILE FOR YESTERDAY..............22 S   AT   4:19 P.M. *      
MAXIMUM 2-MINUTE ASOS AVERAGE...........22 S   AT   5:20 P.M.       
MAXIMUM 2-MINUTE DAVIS AVERAGE..........25 SSW AT   2:40 P.M.            
                   AVERAGE............13.4 SSW
                   ASOS...............13.5       
                   DAVIS..............12.8 SSW [210 deg]       
* last of several occurrences...
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.03   DEPARTURE......-0.10  
                         ASOS..............0.03
TOTAL PRECIPITATION FOR THE MONTH..........0.03   DEPARTURE......-0.36
                         ASOS..............0.03  
TOTAL PRECIPITATION FOR THE YEAR..........22.69   DEPARTURE......+0.56
                         ASOS.............25.07 #
# Includes erroneous ASOS precipitation data on 2/13/08.
 
PRELIMINARY CLIMATE SUMMARY FOR JUNE 2008 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane recording wind system gust when significant
TSTM: Thunderstorm day
....: Data not yet available, records not finalized
  
6/1  79/58/69/+7/0/.../..        32 W  
6/2  76/53/65/+3/0/.../..        28 WNW
6/3  84/58/71/+9/0/.../..        28 S
 
6/4  morning low temp. thru 7 a.m. 58F; normal low is 53F 
 
NO NEW DAILY RECORDS FOR JUNE TO DATE..
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR JUNE 4
HIGH 99F IN 1919 [Record for month]
LOW 41F IN 1915,1926
PRECIP 1.52 INS IN 2007 
PEAK GUST 48 MPH SSE IN 1983
 
RECORDS FOR JUNE 5
HIGH 95F IN 1930
LOW 41F IN 1891
PRECIP 2.83 INS IN 1982
PEAK GUST 57 MPH NNW IN 1988
 
TODAY'S REPORT PREPARED By: Robert Skilling