BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, JUNE 23, 2016 
ALL TIMES ARE IN EASTERN STANDARD TIME

MOSTLY SUNNY SKIES AND SEASONABLE TEMPERATURES

Yesterday's afternoon rain showers brought 0.01 in. of precipitation 
and a peak gust of 31 MPH (27 kts) at 1:07PM EST.

Today's weather has been seasonable with mostly cloudy skies and 
temperatures in the 70's.  By 1:00PM, the maximum temp. was 81F.
Winds remained light and out of the S-W.  


Today's Observations:

7 A.M. 
Weather: Few altocumulus WNW-NE, broken cirrostratus
Temperature: 63F; Dew Point: 47F; Wind: WSW at 7 kts
Sea-level pressure: 29.93 in. Hg, rising, then more quickly
Visibility: 70 miles
6-hr Max temp: 63F 
6-hr Min temp: 56F
24-hr precip: 0.01 in.
BHO SA 1155 E250 BKN 70 136/63/47/2507/993/ FEW AC WNW-NE/
8/067 53008 MANUAL 70001 10063 20056

10 A.M.
Weather: Scattered altocumulus, scattered cirrus
Temperature: 74F; Dew Point: 47F; Wind: estimated WNW at 3 kts,
Wind: Light and variable
Sea-level pressure: 29.91 in. Hg, falling, then less quickly
Visibility: 70 miles
BHO SA 1455 160 SCT 250 SCT 70 127/74/47/E2903/991/ WND L/V/ 
8/081 56009

1 P.M.
Weather: Scattered altocumulus, scattered cirrus
Temperature: 80F; Dew Point: 51F; Wind: ESE at 7 kts
Sea-level pressure: 29.86 in. Hg, falling, then more quickly
Visibility: 70 miles
6-hr Max temp: 81F
6-hr Min temp: 62F
BHO SA 1755 160 SCT 250 SCT 70 111/80/51/1107/986/ 8/081 58016 
10081 20062


SUMMARY FOR WEDNESDAY, JUNE 22, 2016 
 
TEMPERATURE (DEGREES F)
MAX.....79   NORMAL.....77
MIN.....59   NORMAL.....59 
MEAN....69   NORMAL.....68

DEPARTURE FROM 30-YEAR NORMAL.........................+1
TOTAL DEPARTURE FOR THE MONTH........................+19 [+0.7 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY...............0   DEPARTURE..........-1
TOTAL HEATING UNITS FOR THE MONTH..............34   DEPARTURE.........-32
TOTAL HEATING UNITS FOR THE SEASON...........5282   DEPARTURE.......-1087
TOTAL HEATING UNITS LAST SEASON TO DATE......6491   DIFFERENCE......-1209

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY...............4   DEPARTURE...........0
TOTAL COOLING UNITS FOR THE MONTH..............53   DEPARTURE.........-11
TOTAL COOLING UNITS FOR THE SEASON............101   DEPARTURE.........+13
TOTAL COOLING UNITS LAST SEASON TO DATE.......109   DIFFERENCE.........-8   

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY...................31 NW  AT  1:07 P.M. 
                   ASOS........................33 NNW AT  1:00 P.M.   
                   DAVIS.......................30 NW  AT  1:07 P.M. RMY 31
FASTEST MILE FOR YESTERDAY.....................25 NW  AT  1:07 P.M.   
MAXIMUM 2-MINUTE ASOS AVERAGE..................23 NW  AT  1:09 P.M.    
MAXIMUM 2-MINUTE DAVIS AVERAGE.................22 WNW AT  1:08 P.M.  
AVERAGE WIND SPEED AND DIRECTION..............10.1 W
                   ASOS........................9.7
                   DAVIS.......................8.7 W [270 Deg.]
* Last of several occurrences

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.01  DEPARTURE......-0.11
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........1.46  DEPARTURE......-1.93
                         ASOS..............1.51
TOTAL PRECIPITATION FOR THE YEAR..........21.53  DEPARTURE......-4.52
                         ASOS.............21.95
 
PRELIMINARY CLIMATE SUMMARY FOR JUNE CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO/RMY GUST
AERO: Aerovane wind recording system 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  71/54/63/+1/0.00/860/95                 26 NE  AERO 30 NE  RMY N/A
6/2  68/54/61/-1/0.00/444/49                 21 NE  AERO 22 NE  RMY 21
6/3  70/57/64/+2/T/173/19                    16 SSW AERO 17 SSW RMY 16
6/4  81/61/71/+8/0.00/491/54                 18 S   AERO 21 S   RMY 20
6/5  67/60/64/+1/0.76/000/00                 32 SSE AERO 36 SSE RMY 34  
6/6  80/63/72/+9/0.00/747/82                 26 W   AERO 28 W   RMY 27 
6/7  83/58/71/+7/0.18/602/66                 32 WNW AERO 36 WNW RMY 33 TSTM 
6/8  72/52/62/-2/0.05/684/75                 37 WNW AERO 41 WNW RMY 38 TSTM
6/9  67/48/58/-6/0.00/466/51                 41 WNW AERO 45 WNW RMY 40
6/10 71/50/61/-4/0.00/841/92                 25 W   AERO 28 W   RMY 26
6/11 68/52/60/-5/0.06/.../..                 30 SSW AERO 35 SSW RMY 31
6/12 76/51/64/-1/T/.../..                    41 W   AERO 48 W   RMY 42
6/13 70/49/60/-5/0.00/.../..                 36 NW  AERO 46 NW  RMY 38
6/14 77/50/64/-2/0.00/.../..                 32 NNW AERO 38 NNW RMY 33
6/15 83/60/72/+6/0.00/.../..                 22 NW  AERO 26 NW  RMY 25
6/16 82/62/72/+6/0.00/.../..                 26 E   AERO 28 E   RMY 27
6/17 77/59/68/+1/T/.../..                    25 E   AERO 28 E   RMY 23 TSTM
6/18 75/55/65/-2/0.00/.../..                 22 SSW AERO 24 SSE RMY N/A
6/19 79/55/67/+0/0.00/.../..                 32 S   AERO 35 S   RMY 36
6/20 81/57/69/+1/0.00/.../..                 25 S   AERO 28 S   RMY 27
6/21 82/61/72/+1/0.40/.../..                 30 WSW AERO 31 W*  RMY 33 
6/22 79/59/69/+1/0.01/.../..                 31 NW  AERO 35 NW  RMY 31

6/23 low temp since midnight is 56F; normal low now 59F

DAILY RECORDS FOR JUNE 2016
None so far
     
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated): 

RECORDS FOR JUNE 23
HIGH 93F IN 1888
LOW 45F IN 1885
PRECIP 0.70 INS IN 2006
PEAK GUST 63 MPH SE IN 1972 (AGNES)

RECORDS FOR JUNE 24
HIGH 91F IN 1914,1976,2013
LOW 40F IN 1932
PRECIP 2.80 INS IN 1929
PEAK GUST 54 MPH WNW IN 2010

TODAY'S REPORT PREPARED BY: Cecilia Borries-Strigle