BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, JUNE 1, 2008    
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 

Today's observations:
 
8 A.M. EDT
Weather: Clear, few cirrus
Temperature: 64F, Dew point: 60F,  Wind: SW at 10 kt
Sea-level pressure: 29.71 inches Hg, rising
Visibility: 20 miles 
6-hourly minimum temperature: 59F
BHO SA 1155 CLR 20 060/64/60/2310/971/ 
FEW CI N AND S HAZY/ 8/001 53020 70008 10064 20059
 
11 A.M. EDT
Weather: Broken stratocumulus
Temperature: 75F, Dew point: 60F,  Wind: WSW at 15 kt 
Sea-level pressure: 29.69 inches Hg, falling
Visibility: 20 miles
BHO SA 1455 35 BKN 20 055/75/60/2415/969/ 
TCU FRMG NW/ 8/200 58005
 
WEATHER SUMMARY FOR SATURDAY, MAY 31
 
TEMPERATURE (DEGREES F)
MAX.....73    NORMAL.....72
MIN.....59    NORMAL.....52
MEAN....66    NORMAL.....62
 
DEPARTURE FROM 30-YEAR NORMAL............+4  
TOTAL DEPARTURE FOR THE MONTH...........-39 [-1.1 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY.............0  DEPARTURE........-5
TOTAL HEATING UNITS FOR THE MONTH...........290  DEPARTURE.......+19 
TOTAL HEATING UNITS FOR THE SEASON.........5901  DEPARTURE......-396
TOTAL HEATING UNITS LAST SEASON TO DATE....5831  DIFFERENCE......+70  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............35 SW  AT  7:14 P.M.        
                   AEROVANE.............33 SW  AT  7:12 P.M.  
                   ASOS.................36 S   AT 12:14 P.M.      
                   DAVIS................40 SW  AT  7:14 P.M.         
FASTEST MILE FOR YESTERDAY..............28 S   AT 12:13 P.M.  
MAXIMUM 2-MINUTE ASOS AVERAGE...........28 S   AT 12:05 P.M.     
MAXIMUM 2-MINUTE DAVIS AVERAGE..........25 SSW AT  7:14 P.M.          
                   AVERAGE............18.2 S 
                   ASOS...............17.6     
                   DAVIS..............15.3 S [178 deg]        
* last of several occurrences.
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.08   DEPARTURE......-0.05  
                         ASOS..............0.08
TOTAL PRECIPITATION FOR THE MONTH..........1.90   DEPARTURE......-1.89
                         ASOS..............1.81  
TOTAL PRECIPITATION FOR THE YEAR..........22.66   DEPARTURE......+0.92
                         ASOS.............25.04 #
# Includes erroneous ASOS precipitation data on 2/13/08.
 
PRELIMINARY CLIMATE SUMMARY FOR MAY 2008 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, records not finalized
 
5/1  60/35/48/-4/0/786/93        30 W    Aero 28 MPH W
5/2  48/42/45/-7/0.07/000/00     21 ENE
5/3  43/41/42/-11/0.09/000/00    25 E    
5/4  50/42/46/-7/0.17/000/00     27 E
5/5  69/40/55/+2/0/752/88        24 ESE  
5/6  74/46/60/+6/0/686/80        25 W
5/7  75/48/62/+8/0/722/84        29 S
5/8  75/54/65/+11/0.08/172/20    42 W    Aero 42 MPH W 
5/9  56/43/50/-5/0.26/000/00     30 NE
5/10 57/44/51/-4/T/407/47        35 NNE  
5/11 58/41/50/-5/0/747/86        24 ENE  
5/12 47/42/45/-11/0/017/02       43 NNE  Aero 43 MPH NNE
5/13 63/43/53/-3/0/812/93        47 NNE  Aero 50 MPH NNE
5/14 64/47/56/-1/0/788/90        23 ENE
5/15 67/47/57/0/T/009/01         22 S  
5/16 59/45/52/-5/0.49/009/01     21 ENE
5/17 72/46/59/+2/0.47/449/51     33 W
5/18 71/50/61/+3/0.02/494/56     30 S
5/19 59/44/52/-6/0/566/64        46 W    Aero 44 MPH W   
5/20 64/42/53/-5/0.01/461/52     29 S 
5/21 69/46/58/-1/T/524/59        35 WSW  Aero 32 MPH WSW 
5/22 58/45/52/-7/0.01/089/10     26 WSW
5/23 70/43/57/-2/T/749/84        41 W    Aero 40 MPH W
5/24 69/47/58/-2/T/456/51        32 WNW
5/25 75/50/63/+3/0/.../..        29 SE   
5/26 78/52/65/+5/T/.../..        42 S
5/27 80/53/67/+6/0.15/.../..     35 NNW 
5/28 66/47/57/-4/0/.../..        35 NW   Aero 32 MPH NW
5/29 76/45/61/0/0/.../..         33 W
5/30 69/55/62/+1/0/.../..        29 SSE
5/31 73/59/66/+4/.../.../..      35 SW   Aero 33 SW
      
NEW DAILY RECORDS FOR MAY 2008
None to date.
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR JUNE 1
HIGH 90F IN 1937
LOW 36F IN 1945 (RECORD FOR JUNE)
PRECIP 2.28 INCHES IN 1992
PEAK GUST 51e MPH SE IN 1952
 
RECORDS FOR JUNE 2
HIGH 91F IN 1895
LOW 41F IN 1907, 1929
PRECIP 2.36 INCHES IN 1982
PEAK GUST 63 MPH NW IN 2000
 
TODAY'S REPORT PREPARED By: Andrew Hoell