BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, JUNE 17, 2014 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
HAZE, HEAT AND HUMIDITY FOLLOWING EARLY MORNING T-STORM
 
Isolated thunderstorms moved through the region this morning,
dropping 0.28 inches of new rain within the span of two hours
with rumbles of thunder.
 
Dew points have crept up throughout this morning reaching 67F
by the 1:00 PM EST observation. Visibility has been rather poor
today thanks in large part to very hazy conditions, which have
reduced visibility as low as 20 miles in all directions.
 
Today's Observations:
 
7 A.M.
Weather: Broken altocumulus, broken altocumulus,
broken cirrus/cirrocumulus
Temperature: 65F; Dew Point: 59F; Wind: S at 12G17 kts
Sea-level pressure: 30.07 ins. Hg, rising then rising more slowly    
Visibility: 30 miles, fog and haze in all directions
6-hr max temp: 65F
6-hr min temp: 58F
24-hr precip: 0.28 
BHO SA 1155 70 SCT E90 BKN 250 BKN 30 182/65/59/1912G17/007/
FG AND HZ ALQDS/ 8/069 51001 ASOS 60028 70028 MANUAL 70028 10065 20058
 
10 A.M.
Weather: Thin overcast of cirrostratus, few cumulus distant SE-W
Temperature: 76F; Dew Point: 64F; Wind: SSW at 10 kts
Sea-level pressure: 30.06 ins. Hg, falling slightly 
Visibility: 25 miles, haze in all directions
BHO SA 1455 E300 –OVC 25 181/76/64/2110/006/ FEW CU DSNT SE-W 
HZ ALQDS/ 8/107 58001
 
1 P.M. 
Weather: Broken cirrus fibratus, thin overcast cirrostratus,
few cumulus in all directions
Temperature: 80F; Dew Point: 67F; Wind: SSW at 10 kts,
Sea-level pressure: 30.01 ins. Hg, falling, then steady
Visibility: 20 miles, haze in all directions
6-hr max temp: 81F 
6-hr min temp: 64F  
BHO SA 1755 E250 BKN 300 –OVC 20 164/80/67/2010/001/
FEW CU ALQDS HZ ALQDS/ 8/107 56017 10081 20064
 
WEATHER SUMMARY FOR MONDAY, JUNE 16, 2014
 
TEMPERATURE (DEGREES F)
MAX.....79    NORMAL.....75
MIN.....56    NORMAL.....57
MEAN....68    NORMAL.....66
 
DEPARTURE FROM 30-YEAR NORMAL.........................+2
TOTAL DEPARTURE FOR THE MONTH.........................+19 [+1.0 DEGREE/DAY]
 
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY...............0  DEPARTURE..........-2
TOTAL HEATING UNITS FOR THE MONTH..............27  DEPARTURE.........-29     
TOTAL HEATING UNITS FOR THE SEASON...........6421  DEPARTURE.........+62     
TOTAL HEATING UNITS LAST SEASON TO DATE......5778  DIFFERENCE.... ..+643
 
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY..............3   DEPARTURE..........+0
TOTAL COOLING UNITS FOR THE MONTH.............31   DEPARTURE..........-9
TOTAL COOLING UNITS FOR THE SEASON............44   DEPARTURE.........-20
TOTAL COOLING UNITS LAST SEASON TO DATE.......63   DIFFERENCE........-19
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..................23  S    AT   6:50 P.M.         
                   ASOS.......................24  S    AT   6:50 P.M.          
                   DAVIS......................22  S    AT   6:49 P.M. RMY N/A
FASTEST MILE FOR YESTERDAY....................14  S    AT   6:57 P.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE.................16  S    AT   6:51 P.M.       
MAXIMUM 2-MINUTE DAVIS AVERAGE................16  S    AT   6:50 P.M.       
AVERAGE WIND SPEED AND DIRECTION............. 9.1 S              
                   ASOS.......................9.0    
                   DAVIS......................8.1 W [266 deg]
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.28  DEPARTURE..........+0.13
                         ASOS..............0.28
TOTAL PRECIPITATION FOR THE MONTH..........1.92  DEPARTURE..........-0.66         
                         ASOS..............1.87 
TOTAL PRECIPITATION FOR THE YEAR..........24.26  DEPARTURE..........-0.98
                         ASOS.............24.39
 
PRELIMINARY CLIMATE SUMMARY FOR JUNE 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY GUST
RMY:  R.M. Young wind gust recording system
TSTM: Thunderstorm day (thunder heard some time during day)
....: Data not yet available, records not finalized
 
6/1  72/47/60/-2/0.00/887/98              21 NNW RMY 21
6/2  81/52/67/+5//0.00/879/97             22 SSW RMY 23
6/3  81/57/69/+7/0.00/889/98              25 SSE RMY 28
6/4  64/52/58/-5/0.11/000/00              16 SE  RMY N/A
6/5  60/55/58/-5/0.91/000/00              21 NNW RMY 24
6/6  73/54/64/+1/0.00/655/72              22 WNW RMY 23
6/7  82/56/69/+5/0.00/893/98              21 W   RMY 22
6/8  84/63/74/+10/0.00/702/77             18 SW  RMY N/A
6/9  77/61/69/+5/0.13/046/05              21 WSW RMY 22
6/10 80/56/68/+3/0.10/183/20              29 ENE RMY 33 
6/11 69/55/62/-3/T/439/48                 21 ENE RMY 20
6/12 70/56/63/-2/0.00/101/11              21 ESE RMY N/A
6/13 67/58/63/-2/..../000/00              25 E   RMY N/A 
6/14 73/58/66/0/..../.../..               23 WNW RMY 24
6/15 78/53/66/0/0.00/.../..               25 NNW RMY 27
6/16 79/56/68/+2/0.00/.../..              23 S   RMY N/A
 
6/17 morning low temp: 58F; the normal low is now 58F
 
DAILY RECORDS FOR JUNE 2014
None so far.
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):    
 
RECORDS FOR JUNE 17
HIGH 93F IN 1894
LOW 44F IN 1920
PRECIP 2.79 INS 2001 (Sub-Tropical storm ALLISON)
PEAK GUST 55e MPH S IN 1977
 
RECORDS FOR JUNE 18
HIGH 93F IN 1929,1994
LOW 39F IN 1920
PRECIP 3.36 INS 1998
PEAK GUST 48e MPH W IN 1943
 
TODAY'S REPORT PREPARED BY: Brian Fitzgerald