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

DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, AUGUST 8, 2016 
ALL TIMES ARE IN EASTERN STANDARD TIME

DRY CONDITIONS CONTINUE UNDER MOSTLY SUNNY SKIES 

Very pleasant weather continued today due to high pressure building over the
area.  Dew points remained in the low 50s, while temperatures rose to a max.
of 85F by the 1:00PM EST observation.  Few altocumulus and fair-weather
cumulus clouds appeared in the sky today leaving us with mostly sunny
conditions.  Visibility was very clear at 80 miles during each observation.


Today's Observations:

7 A.M. 
Weather: Few distant altocumulus in all directions
Temperature: 69F; Dew Point: 56F; Wind: NW at 4 kts,
Wind Speed: Light
Sea-level pressure: 30.05 ins. Hg, rising, then more slowly 
Visibility: 80 miles 
6-hr Max temp: 69F 
6-hr Min temp: 63F
24-hr precip: 0.00 in.
BHO SA 1155 CLR 80 175/69/56/E3104/005/ FEW DSNT AC ALQDS WND LGT/
8/030 53017 10069 20063

10 A.M.
Weather: Few cumulus in all directions, few altocumulus SE-SSW 
Temperature: 78F; Dew Point: 52F; Wind: WNW at 8 kts,
Wind Direction: Variable W-NNW
Sea-level pressure: 30.07 ins. Hg, rising then more slowly 
Visibility: 80 miles  
BHO SA 1455 CLR 80 182/78/52/3008/007/ FEW CU ALQDS FEW AC SE-SSW 
WND 26V33/ 8/130 51007

1 P.M.
Weather: Scattered cumulus, few altocumulus SE-SW
Temperature: 82F; Dew Point: 51F; Wind: W at 8 kts
Sea-level pressure: 30.05 ins. Hg, falling, then more slowly
Visibility: 70 miles   
6-hr Max temp: 85F 
6-hr Min temp: 69F
BHO SA 1755 69 SCT 70 175/82/51/2708/005/ FEW AC SE-SW/ 8/130 56007 
10085 20069

SUMMARY FOR SUNDAY, AUGUST 7, 2016 
 
TEMPERATURE (DEGREES F)
MAX.....89   NORMAL.....81
MIN.....65   NORMAL.....63 
MEAN....77   NORMAL.....72

DEPARTURE FROM 30-YEAR NORMAL.........................+5
TOTAL DEPARTURE FOR THE MONTH.........................+7 [-0.2 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY..............12   DEPARTURE..........+5
TOTAL COOLING UNITS FOR THE MONTH..............56   DEPARTURE..........+6
TOTAL COOLING UNITS FOR THE SEASON............530   DEPARTURE........+129
TOTAL COOLING UNITS LAST SEASON TO DATE.......460   DIFFERENCE........+70   

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY...................26 WNW AT  4:08 P.M.  
                   AEROVANE....................25 WNW AT  4:19 P.M.     
                   ASOS........................27 W   AT  4:08 P.M.  
                   DAVIS.......................24 WNW AT  4:33 P.M. RMY 26
FASTEST MILE FOR YESTERDAY.....................18 WNW AT  4:06 P.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE..................18 NW  AT  5:07 P.M. 
MAXIMUM 2-MINUTE DAVIS AVERAGE.................17 WNW AT  5:07 P.M.  
AVERAGE WIND SPEED AND DIRECTION.............10.0 WNW  
                   ASOS.......................9.9    
                   DAVIS......................8.5 WNW [300 Deg.]
* Last of several occurrences

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE.......-0.14
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........0.14  DEPARTURE......-0.90
                         ASOS..............0.12
TOTAL PRECIPITATION FOR THE YEAR..........23.33  DEPARTURE......-8.70
                         ASOS.............23.63


PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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

8/1  75/65/70/-2/0.02/.../..                 21 NE  AERO 20 ENE RMY 20
8/2  71/63/67/-5/0.12/.../..                 16 ENE AERO 16 ENE RMY 16
8/3  81/60/71/-1/0.00/.../..                 18 S   AERO 16 S   RMY 17
8/4  86/61/74/+2/0.00/.../..                 23 S   AERO 22 S   RMY 17 
8/5  87/61/74/+2/0.00/.../..                 29 S   AERO 29 S   RMY 30 
8/6  88/67/78/+6/T/.../..                    24 SSW AERO 23 SSW RMY 23   
8/7  89/65/77/+5/0.00/.../..

8/8  Low temp since midnight is 63F; normal low is now 63F

    
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated): 

RECORDS FOR AUGUST 8
HIGH 93F IN 1909,1949
LOW 47F IN 1903
PRECIP 3.08 INCHES IN 1976
PEAK GUST 45 MPH WNW IN 1958

RECORDS FOR AUGUST 9
HIGH 100F IN 1949
LOW 49F IN 1899
PRE 2.65 INS IN 1976
PEAK GUST 90 MPH SW IN 1968

TODAY'S REPORT PREPARED BY: Cecilia Borries-Strigle and Lizzy Suzedell