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

DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, NOVEMBER 2, 2018 
ALL TIMES ARE IN EASTERN STANDARD TIME

OVERCAST WITH LIGHT RAIN AND LITTLE TEMPERATURE
VARIATION ATOP GREAT BLUE HILL....

Winds have remained significant throughout the day,
with frequent gusts over 30 mph from the SSW. The
highest gust measured so far today was 37 mph from 
the SSW at 6:20 A.M. Temperatures have fluctuated 
between 63F and 65F since the 7 A.M. observation.
This is most likely due to overcast skies and the 
SSW winds. Precipitation throughout the day has 
remained light, leaving 0.04 inches in the gauge 
between 7 A.M. and 1 P.M. We measured 0.07 inches
this morning from last night's rain. The high so 
far today is 65F, 10 degrees above the daily normal
maximum of 55F. The low since midnight is 52F, 15 
degrees above the normal minimum of 37F. The record
high minimum for this date is 58F, set in 1966 and 
1971, and the record high is 81F set in 1950.   


Today's Observations:

7 A.M.
Weather: Overcast stratus 
Temperature: 64F; Dew Point: 63F; Wind: SSW at 22G28 kts,
Peak wind: 37 MPH (32 kts) SSW at 6:20 A.M.  
Sea-level pressure: 29.74 ins. Hg, rising then falling      
Visibility: 20 miles, distant fog in all directions
6-hr Max temp: 64F
6-hr Min temp: 52F
24-hr Precip: 0.07 ins.   
BHO SA 1155 E35 OVC 20 070/64/63/2022G28/974/ 
DSNT FG ALQDS PK WND 2032/20/ 8/6// 70007 58002 
10064 20052

10 A.M.
Weather: Overcast nimbostratus, few stratus fractus
in all directions 
Temperature: 65F; Dew Point: 63F; Wind: SSW at 21G32 kts,
Peak wind: 37 MPH (32 kts) SSW at 9:57 A.M.  
Sea-level pressure: 29.72 ins. Hg, falling steadily 
Visibility: 10 miles, fog
3-hr Precip: 0.02 ins.
BHO SA 1455 E21 OVC 10R-F 066/65/63/2021G32/972/ 
FEW STFRA ALQDS R-B50 PK WND 2032/57/ 8/72/ 6002/ 
58004   

1 P.M.
Weather: Overcast nimbostratus, few stratus fractus
in all directions  
Temperature: 64F; Dew Point: 64F; Wind: SSW at 20G25
Sea-level pressure: 29.74 ins. Hg, rising steadily     
Visibility: 10 miles, fog
6-hr Max temp: 65F
6-hr Min temp: 63F 
6-hr Precip: 0.04 ins.
BHO SA 1755 E21 OVC 10F 072/64/64/2020G25/974/
FEW STFRA ALQDS/ 8/72/ 6004/ 51006 10065 20063
 
SUMMARY FOR THURSDAY, NOVEMBER 1, 2018 

TEMPERATURE (DEGREES F)
MAX.....65   NORMAL.....55
MIN.....49   NORMAL.....38
MEAN....57   NORMAL.....46

DEPARTURE FROM 30-YEAR NORMAL......................+11
TOTAL DEPARTURE FOR THE MONTH......................+11 [+10.8 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY...............8   DEPARTURE........-11
TOTAL HEATING UNITS FOR THE MONTH...............8   DEPARTURE........-11
TOTAL HEATING UNITS FOR THE SEASON............552   DEPARTURE........-30
TOTAL HEATING UNITS LAST SEASON TO DATE.......287   DIFFERENCE......+265

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY...............0  DEPARTURE...........0
TOTAL COOLING UNITS FOR THE MONTH..............11  DEPARTURE..........+6
TOTAL COOLING UNITS FOR THE SEASON............874  DEPARTURE........+272
TOTAL COOLING UNITS LAST SEASON TO DATE.......731  DIFFERENCE.......+143

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY....................25 SSW AT   12:57 A.M.
                   AERO.........................24 SSW AT   12:56 A.M. 
                   ASOS.........................26 SW  AT   12:58 A.M. 
                   DAVIS........................25 SW  AT   12:56 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY......................20 SSW AT   12:58 A.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE...................20 SW  AT   12:59 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE..................19 SW  AT   12:58 A.M.
AVERAGE WIND SPEED AND DIRECTION..............7.9 SSW
                   ASOS.......................7.8   
                   DAVIS......................8.1 S [182 deg.]  

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.07  DEPARTURE......-0.09
                         ASOS..............0.09
TOTAL PRECIPITATION FOR THE MONTH..........0.08  DEPARTURE......-0.08
                         ASOS..............0.09 
TOTAL PRECIPITATION FOR THE YEAR..........53.15  DEPARTURE......+9.40
                         ASOS.............54.96 


PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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

10/01 65/53/59/+2/0.22/042/06         21 ENE AERO 18 SSW RMY N/A
10/02 64/53/59/+2/0.77/000/00         33 S   AERO 32 S   RMY 35 TSTM
10/03 60/52/56/0/0.33/000/00          18 NNE AERO 14 NNE RMY 14
10/04 69/57/63/+7/0.00/204/30         29 SSW AERO 29 SSW RMY 32
10/05 64/47/56/0/0.00/618/92          25 NE  AERO 21 NE  RMY 24
10/06 64/45/55/0/0.00/264/40          23 SSW AERO 23 SSW RMY 25
10/07 75/56/66/+11/0.05/072/11        28 NE  AERO 24 ENE RMY 27
10/08 56/53/55/+1/0.03/000/00         22 ENE AERO 20 ENE RMY N/A
10/09 75/56/66/+12/0.00/204/31        26 WSW AERO 28 SW  RMY 29
10/10 82/65/74/+20/0.00/480/73        24 WSW AERO 23 WSW RMY 25
10/11 70/56/63/+10/0.78/000/00        48 NNE AERO 47 NNE RMY 50
10/12 59/44/52/-1/0.31/174/27         32 NW  AERO 32 NW  RMY 33
10/13 49/40/45/-8/0.17/108/17         21 WNW AERO 20 WNW RMY 20
10/14 55/37/46/-6/0.00/120/19         21 W   AERO 18 W   RMY 21
10/15 66/44/55/+3/0.06/030/05         46 W   AERO 46 W   RMY N/A
10/16 56/41/49/-2/0.03/606/94         48 W   AERO 48 W   RMY N/A
10/17 60/39/50/-1/0.01/564/89         48 W   AERO 50 W   RMY 53
10/18 45/33/39/-12/..../.../..        32 WNW AERO 35 WNW RMY 36
10/19 60/31/46/-4/..../.../..         33 SSW AERO 36 SSW RMY 36
10/20 62/46/54/+4/..../.../..         35 SSW AERO 37 SSW RMY 33
10/21 46/31/39/-11/..../.../..        39 NNW AERO 41 NW  RMY 41
10/22 50/27/39/-10/..../.../..        24 W   AERO 22 W   RMY 21
10/23 53/40/47/-2/..../.../..         29 WNW AERO 29 WNW RMY 29  TSTM
10/24 45/35/40/-9/..../.../..         31 NW  AERO 31 NW  RMY 32 
10/25 48/32/40/-9/..../.../..         35 NW  AERO 35 NW  RMY 36
10/26 45/27/36/-12/..../.../..        20 NW  AERO 19 NW  RMY N/A
10/27 48/38/43/-5/..../.../..         54 NE  AERO 55 NE  RMY 55
10/28 51/40/46/-2/..../.../..         23 NNE AERO 23 NNE RMY N/A TSTM
10/29 55/40/48/+1/..../.../..         30 WSW AERO 30 WSW RMY 34
10/30 45/34/40/-7/..../.../..         28 NW  AERO 28 NW  RMY 30
10/31 55/32/44/-3/..../.../..         35 SSW AERO 36 SSW RMY 37

DAILY RECORDS FOR OCTOBER

10/10/18: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 65F,
           BREAKS PREVIOUS RECORD OF 62F SET IN 1949


PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 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

11/01 65/49/57/+11/..../.../..         25 SSW AERO 24 SSW RMY N/A


11/01 Low temp since midnight is 52F; normal low is 37F

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

RECORDS FOR NOVEMBER 2
HIGH 81 IN 1950
LOW 22 IN 1965
PRECIP 1.67 INCHES IN 1970
SNOWFALL 1.8 IN 2014
PEAK GUST 63 WSW IN 1973

RECORDS FOR NOVEMBER 3
HIGH 75 IN 1990
LOW 21 IN 1891
PRECIP 1.92 INCHES IN 1951
SNOWFALL 0.1 IN 1951
PEAK GUST 96e SSE IN 1951

TODAY'S REPORT PREPARED BY: Benjamin Turner