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

DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, NOVEMBER 01, 2018 
ALL TIMES ARE IN EASTERN STANDARD TIME

WARM START TO NOVEMBER AS TEMPERATURES RISE
THROUGH THE NIGHT...

Yesterday's noteworthy shift from northwesterly winds
to southwesterly winds has ushered in warm air that 
has produced rising temperatures through the night.  This  
hs produced an unseasonably warm start to the month of 
November.  As of the 1 P.M. observation, the temperature 
was 65 F, and still rising.  Wind speeds have calmed significantly 
since the aforementioned shift, with significant gusts of 
up to 35 mph during the evening hours yesterday. Pressure 
has remained fairly steady throughout the day, only just 
beginning to decrease steadily heading into the afternoon
hours. The sky has stayed near overcast with visibility not 
exceeding 30 miles at any point today.

Today's Observations:

7 A.M.
Weather: Broken altocumulus 
Temperature: 55F; Dew Point: 51F; Wind: SSW at 7 kts 
Sea-level pressure: 29.90 ins. Hg, rising slightly      
Visibility: 30 miles
6-hr Max temp: 55F
6-hr Min temp: 54F
24-hr Precip: 0.01 ins.   
BHO SA 1155 E80 BKN 30 125/55/51/2107/990/ WND LGT/ 
8/070/ 70001 53006 10055 20054

10 A.M.
Weather: Broken altocumulus, distant fog N-SW 
Temperature: 60F; Dew Point: 52F; Wind: SSW at 6 kts 
Sea-level pressure: 29.90 ins. Hg, steady 
Visibility: 25 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 E75 BKN 25 125/60/52/2306/990/ 
DSNT FG N-SW WND LGT/ 8/070/ 50000   

1 P.M.
Weather: Few cumulus, broken altocumulus, broken 
cirrocumulus, distant fog NE-SW  
Temperature: 65F; Dew Point: 52F; Wind: Calm,
Sea-level pressure: 29.84 ins. Hg, falling rapidly     
Visibility: 25 miles
6-hr Max temp: 65F
6-hr Min temp: 54F 
6-hr Precip: 0.00 ins.
BHO SA 1755 E85 BKN 130 BKN 25 105/65/52/0000/984/ 
FEW CU DSNT FG NE-SW WND CALM/ 8/179/ 56020 10065 20054
 
SUMMARY FOR WEDNESDAY, OCTOBER 31, 2018 

TEMPERATURE (DEGREES F)
MAX.....55   NORMAL.....55
MIN.....32   NORMAL.....38
MEAN....44   NORMAL.....47

DEPARTURE FROM 30-YEAR NORMAL.......................-3
TOTAL DEPARTURE FOR THE MONTH......................-31 [-1.2 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY..............21   DEPARTURE.........+3
TOTAL HEATING UNITS FOR THE MONTH.............457   DEPARTURE........+36
TOTAL HEATING UNITS FOR THE SEASON............544   DEPARTURE........-19
TOTAL HEATING UNITS LAST SEASON TO DATE.......268   DIFFERENCE......+276

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....................35 SSW AT   7:00 P.M.
                   AERO.........................36 SSW AT   6:28 P.M. 
                   ASOS.........................36 S   AT   7:00 P.M. 
                   DAVIS........................35 SSW AT   6:25 P.M. RMY 37
FASTEST MILE FOR YESTERDAY......................26 SSW AT   6:23 P.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE...................26 S   AT   7:01 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE..................25 SSW AT   6:27 P.M.
AVERAGE WIND SPEED AND DIRECTION..............11.9 SSW
                   ASOS.......................11.8   
                   DAVIS......................11.5 SW [223 deg.]  

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.01  DEPARTURE......-0.15
                         ASOS..............0.01
TOTAL PRECIPITATION FOR THE MONTH..........5.88  DEPARTURE......+1.19
                         ASOS..............5.95 
TOTAL PRECIPITATION FOR THE YEAR..........53.08  DEPARTURE......+9.49
                         ASOS.............54.87 


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

11/01 Low temp since midnight is 54F; normal low is 38F

DAILY RECORDS FOR OCTOBER

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

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

RECORDS FOR NOVEMBER 1
HIGH 75 IN 2003
LOW 22 IN 1913,1923
PRECIP 2.93 INCHES IN 1985
SNOWFALL TRACE IN 1906,1951
PEAK GUST 78 ESE IN 1997

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

TODAY'S REPORT PREPARED BY: Nate Iannuccillo