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

WEDNESDAY, AUGUST 5, 2020
ALL TIMES ARE IN EASTERN STANDARD TIME

A HOT, YET DRY DAY WITH INCREASING CLOUDS....

Yesterday, the wind continued to ramp up, especially 
mid to late afternoon. A peak gust of 67 mph was 
measured at 4:06 P.M., being the highest gust
measured. Frequent gusts over 50 mph continued
into the early evening hours.  

This wind is the strongest gust at Blue Hill from a 
tropical system since 76 mph E on 29 October 2012 due 
to Hurricane Sandy. 

-Yesterday's wind section below written by Matt Douglas

Today we observed hazy and hot conditions 
following last night's rain, which totaled
0.21 inches. Conditions were hazy, but the 
visibility reached a max of 50 miles at the
10 P.M. observation. Wind was much lower than
yesterday, with a max gust of 25 mph, and 
an average speed of 15 mph. The weather was 
hot yet enjoyable, with dew points remaining 
in the low 60's, even with a high temperature 
of 90F reached this afternoon. This is 9 degrees 
above the daily normal high of 81F. The low since
midnight is 68F, which is 5 degrees above the
daily normal low of 63F.




Today's Observations:

7 A.M.
Weather: Scattered cumulus and altocumulus, broken
cirrostratus
Temperature: 73F; Dew Point: 69F; Relative Humidity: 87%
Wind: SSW at 10 kts 
Sea-level pressure: 29.99 ins. Hg: Rising steadily
Visibility: 30 miles, hazy
6-hr Max temp: 73F
6-hr Min temp: 68F
24-hr Precip: 0.21 ins.
BHO SA 1155 20 SCT 140 SCT E250 BKN 30 155/73/69/2110/999/ 
HAZY/ 8/158 53014 10073 20068

10 A.M.
Weather: Scattered cumulus, broken cirrostratus
Temperature: 84F; Dew Point: 66F; Relative Humidity: 55%
Wind: SSW at 8 kts  
Sea-level pressure: 30.01 ins. Hg: falling then rising
Visibility: 50 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 40 SCT E250 BKN 50 161/84/66/2108/001/ 8/108 51006

1 P.M.
Weather: Broken Cumulus
Temperature: 88F; Dew Point: 62F; Relative Humidity: 43%
Wind: SW at 10G20 kts
Sea-level pressure: 29.99 ins. Hg: falling steadily
Visibility: 40 miles
6-hr Max temp: 90F
6-hr Min temp: 73F
6-hr Precip: 0.00 ins.
BHO SA 1755 E50 BKN 40 154/88/62/2310G20/999/ 8/200 58007 10090 
20073


SUMMARY FOR TUESDAY, AUGUST 4, 2020 

TEMPERATURE (DEGREES F)
MAX.....83   NORMAL.....81
MIN.....71   NORMAL.....63
MEAN....77   NORMAL.....72

DEPARTURE FROM 30-YEAR NORMAL.................+5
TOTAL DEPARTURE FOR THE MONTH.................+26 [+6.3 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY.................12  DEPARTURE......+5
TOTAL COOLING UNITS FOR THE MONTH.................54  DEPARTURE......+25
TOTAL COOLING UNITS FOR THE SEASON...............541  DEPARTURE.....+161
TOTAL COOLING UNITS LAST SEASON TO DATE..........448  DEPARTURE......+93

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY....................67 SSE AT  4:06 P.M.  
                   AERO.........................71 S   AT  4:06 P.M. 
                   ASOS.........................59 S   AT  5:31 P.M.
                   DAVIS........................66 SSE AT  4:07 P.M
                   RMY 70  MERLIN 67
FASTEST MILE FOR YESTERDAY......................45 S   AT  5:41 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE...................44 S   AT  5:41 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE..................44 S   AT  4:50 P.M.
AVERAGE WIND SPEED AND DIRECTION..............17.5 SSE            
                   ASOS.......................17.0
                   DAVIS......................16.7 S [178 deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.21  DEPARTURE......+0.06
                         ASOS..............0.21
TOTAL PRECIPITATION FOR THE MONTH..........0.23  DEPARTURE......-0.37
                         ASOS..............0.23
TOTAL PRECIPITATION FOR THE YEAR..........29.30  DEPARTURE......-2.29
                         ASOS.............30.04



PRELIMINARY CLIMATE SUMMARY FOR JULY 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
M:    Missing data

07/01  76/63/70/0/0.00/228/25              16 E    AERO 14 E    RMY 14  TSTM
07/02  86/61/74/+4/0.00/803/88             30 WSW  AERO 25 WSW  RMY 33
07/03  73/60/67/-4/0.00/091/10             30 NE   AERO 28 NE   RMY 30
07/04  79/60/70/-1/0.00/565/62             16 S    AERO 16 S    RMY 16
07/05  83/63/73/+2/0.54/373/41             24 NW   AERO 30 NW   RMY 26  TSTM
07/06  73/60/67/-4/0.00/482/53             20 ENE  AERO 16 NNE  RMY 18
07/07  78/60/69/-2/0.00/454/50             25 S    AERO 25 S    RMY 26
07/08  83/64/74/+2/0.00/227/25             32 SSW  AERO 32 SSW  RMY 32
07/09  89/70/80/+8/0.00/834/92             24 S    AERO 23 S    RMY 22 
07/10  83/70/77/+5/0.05/109/12             30 SSE  AERO 32 SSE  RMY N/A
07/11  85/70/78/+6/0.00/614/68             39 S    AERO 39 S    RMY 38
07/12  86/70/78/+6/0.00/830/92             28 WSW  AERO 28 WSW  RMY 29
07/13  82/69/76/+4/0.23/306/34             30 SSE  AERO 31 SSE  RMY 30  TSTM
07/14  78/63/71/-1/0.00/369/41             26 ENE  AERO 25 ENE  RMY 26  
07/15  72/59/66/-6/0.00/539/60             21 NE   AERO 21 NE   RMY N/A
07/16  73/57/65/-7/0.00/815/91             21 E    AERO 21 E    RMY 19
07/17  71/57/64/-8/0.19/027/03             24 SSW  AERO 24 SSW  RMY 25 
07/18  89/66/78/+6/0.00/822/92             18 W    AERO 17 W    RMY 19
07/19  92/69/81/+9/0.00/722/81             28 S    AERO 28 S    RMY 26
07/20  91/72/82/+10/T/481/54               25 SSW  AERO 25 SSW  RMY N/A
07/21  88/68/78/+6/0.00/799/90             25 W    AERO 25 W    RMY 24
07/22  80/67/74/+2/..../275/31             16 ENE  AERO M  M    RMY 16
07/23  88/68/78/+6/0.48/203/23             31 N    AERO 32 N    RMY 31  TSTM 
07/24  81/68/75/+3/0.00/476/54             15 ENE  AERO 15 ENE  RMY 16
07/25  88/67/78/+6/0.00/845/96             18 W    AERO 18 WNW  RMY N/A
07/26  89/70/80/+8/0.00/632/72             27 W    AERO 28 W    RMY 27
07/27  94/72/83/+11/0.00/823/94            23 SW   AERO 25 SW   RMY N/A
07/28  95/74/85/+13/0.01/.../..            28 WSW  AERO 25 WSW  RMY 25
07/29  90/68/79/+7/0.00/.../..             23 SSW  AERO 25 SSW  RMY 24
07/30  88/71/80/+8/0.00/.../..             29 W    AERO 28 W    RMY 29   
07/31  84/69/77/+5/0.00/.../..             14 ENE  AERO 14 ENE  RMY 15 

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
M:    Missing data

08/01  87/66/77/+5/0.00/.../..             18 S    AERO 21 S    RMY 19
08/02  85/69/77/+5/0.02/.../..             36 S    AERO 37 S    RMY 38
08/03  91/75/83/+11/0.00/.../..            36 WSW  AERO 38 SW   RMY 36
08/04  83/71/77/+5/0.21/.../..             67 SSE  AERO 71 S    RMY 70

08/05  The low since midnight is 68F, the daily normal low is 63F

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

RECORDS FOR AUGUST 5
HIGH 98F IN 1955
LOW 48F IN 1929,1972
PRECIP 3.03 INCHES IN 1893
PEAK GUST 60e MPH SW 1977

RECORDS FOR AUGUST 6
HIGH 95F IN 1931
LOW 48F IN 1934
PRECIP 1.47 INCHES IN 1995
PEAK GUST 44e MPH SSW IN 1940

TODAY'S REPORT PREPARED BY: Benjamin Turner