BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, JUNE 5, 2008   
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
Today's observations:
 
8 A.M. EDT
Weather: Obscurement with fog, light drizzle
Temperature: 54F, Dew point: 54F,  Wind: N at 14G22 kts
Sea-level pressure: 29.99 inches Hg, rising
Visibility: 1/16 mile, dense fog
6-hourly minimum temperature: 52F
24-hour rainfall: 0.53 in.
BHO SA 1155 W1 X 1/16L-F 155/54/54/3514G22/999/ LBEUKN/
8//// 53019 MANUAL 600X/ ASOS 60004 MANUAL 70053 ASOS 70054
10054 20052
 
11 A.M. EDT
Weather: Obscurement with fog, light drizzle
Temperature: 55F, Dew point: 55F,  Wind: N at 16G22 kts
Wind: direction variable NW-ENE
Sea-level pressure: 30.03 inches Hg, rising
Visibility: 1/16 mile, dense fog
3-hourly rainfall: Trace
BHO SA 1455 W1 X 1/16L-F 168/55/55/3616G22/003/ LBUKN
WND 31V06/ 8//// 51013 MANUAL 6000/
 
2 P.M. EDT
Weather: Obscurement with fog, light drizzle
Temperature: 55F, Dew point: 55F,  Wind: N at 09G21 kts
Wind: direction variable NW-ENE
Sea-level pressure: 30.08 inches Hg, rising
Visibility: 1/16 mile, dense fog
6-hourly max. temp. 55F 
6-hourly rainfall: 0.01 in.
BHO SA 1755 W1 X 1/16L-F 185/55/55/0109G21/008/ WND 32V07/
8//// 51017 MANUAL 6001/ 10055 20054
 
WEATHER SUMMARY FOR WEDNESDAY, JUNE 4
 
TEMPERATURE (DEGREES F)
MAX.....66    NORMAL.....73
MIN.....54    NORMAL.....53
MEAN....60    NORMAL.....63
 
DEPARTURE FROM 30-YEAR NORMAL.............-3 
TOTAL DEPARTURE FOR THE MONTH............+16 [+3.8 per day]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY.............5  DEPARTURE........+1
TOTAL HEATING UNITS FOR THE MONTH.............5  DEPARTURE.......-13
TOTAL HEATING UNITS FOR THE SEASON.........5906  DEPARTURE......-409
TOTAL HEATING UNITS LAST SEASON TO DATE....5845  DIFFERENCE......+61 
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............25 SSW AT  12:12 A.M.         
                   AEROVANE.............23 SSW AT  12:12 A.M.   
                   ASOS.................24 SW  AT  12:12 A.M.        
                   DAVIS................30 SSW AT  12:11 A.M.           
FASTEST MILE FOR YESTERDAY..............18 S   AT  12:12 A.M.      
MAXIMUM 2-MINUTE ASOS AVERAGE...........20 SSW AT  12:13 A.M.      
MAXIMUM 2-MINUTE DAVIS AVERAGE..........21 S   AT  12:13 A.M.           
                   AVERAGE............10.4 S
                   ASOS................9.7      
                   DAVIS..............10.1 E  [111 deg]       
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.53   DEPARTURE......+0.40 
                         ASOS..............0.54
TOTAL PRECIPITATION FOR THE MONTH..........0.56   DEPARTURE......+0.04
                         ASOS..............0.57 
TOTAL PRECIPITATION FOR THE YEAR..........23.22   DEPARTURE......+0.96
                         ASOS.............25.61 #
# 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  66/54/60/-3/.../000/00      25 SSW   Aero 23 MPH SSW
 
6/5  morning low temp. thru 7 a.m. 52F; 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 5
HIGH 95F IN 1930
LOW 41F IN 1891
PRECIP 2.83 INS IN 1982
PEAK GUST 57 MPH NNW IN 1988
 
RECORDS FOR JUNE 6
HIGH 95F IN 1925
LOW 42F IN 1885, 1894, 1920, 1945
PRECIP 3.61 INS IN 2000
PEAK GUST 58 MPH NE IN 2000
 
TODAY'S REPORT PREPARED By: Stephanie Radner