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

DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, NOVEMBER 3, 2016  
ALL TIMES ARE IN EASTERN STANDARD TIME

ABOVE NORMAL TEMPERATURES CONTINUE, BUT
SOUTHERLY WINDS BRING INCREASED HUMIDITY AND FOG

Temperatures have remained above normal today but not as high as 
yesterday's temps.  Yesterday's max. finally reached 69F just after
1:00PM EST.  Today's max. temp. at 1:00PM was only 61F.

A brief period of rain this morning left Blue Hill with 0.01 in. 
at 7:00AM.  Increased moisture has allowed fog to remain in place
all day limiting visibility to 10-20 miles.

PRELIMINARY STATS FOR OCTOBER 2016
 
TEMPERATURE, Deg. F
Avg. Max. 62.3 [+2.0]
Avg. Min. 45.3 [+2.4]
Mean      53.8 [+2.2]
24-hour corrected mean: 53.2
Max. for month: 79F on 19th
Min. for month: 28F on 27th
 
HEATING DEGREE DAYS
Total heating units: 346 [-75] 
Total for the season: 421 [-142]
Total for last season: 454
 
COOLING DEGREE DAYS
Total cooling units: 7 [+2] 
Total for the season: 901 [+299]
Total for last season: 810
 
PRECIPITATION, Inches
Total: 7.04 [+2.35]
Greatest in 24 hrs: 1.89 in. on 9th 
 
WIND, mph
Avg. uncorrected wind speed: 11.3
Avg. corrected wind speed: 11.8
Prevailing wind direction: W at 11%
Peak gust and direction: 47 W on 23rd
 
SUNSHINE:
Campbell-Stokes card minutes: N/A
Astronomical total minutes: N/A


7 A.M. 
Weather: Broken altocumulus, broken cirrus
Temperature: 54F; Dew Point: 52F; Wind: E at 9 kts
Sea-level pressure: 29.98 ins. Hg, falling, then more quickly
Visibility: 10 miles, except 20 miles E-SSW, fog
6-hr Max temp: 57F
6-hr Min temp: 43F
24-hr precip: 0.01 in.
BHO SA 1155 E79 BKN 250 BKN 10 152/54/52/0909/998/ VSBY E-SSW 20 FOG/
8/031 58012 6/001 MANUAL 70001 ASOS 70002 10057 20053

10 A.M.
Weather: Few cumulus NW-N, broken altocumulus, broken altostratus
Temperature: 58F; Dew Point: 54F; Wind: SSE at 7 kts
Sea-level pressure: 29.89 ins. Hg, falling, then more quickly
Visibility: 20 miles, except 10 miles NW-NE, fog
BHO SA 1455 E100 BKN 110 OVC 20 121/58/54/1507/989/ FEW CU NW-N
VSBY NW-NE 10 FOG/ 8/170 58031

1 P.M.
Weather: Broken altocumulus, overcast altostratus
Temperature: 61F; Dew Point: 56F; Wind: SSW at 10 kts
Sea-level pressure: 29.77 ins. Hg, falling, then more slowly
Visibility: 10 miles, fog
6-hr Max. temp: 61F
6-hr Min. temp: 53F
BHO SA 1755 E69 BKN 100 OVC 10 080/61/56/2010/977/ FOG/
8/07/ 56041 10061 20053

SUMMARY FOR WEDNESDAY, NOVEMBER 2, 2016
 
TEMPERATURE (DEGREES F)
MAX.....69   NORMAL.....55
MIN.....45   NORMAL.....37
MEAN....57   NORMAL.....46

DEPARTURE FROM 30-YEAR NORMAL.......................+11
TOTAL DEPARTURE FOR THE MONTH........................+7 [+3.3 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY...............0   DEPARTURE...........0
TOTAL COOLING UNITS FOR THE MONTH...............0   DEPARTURE...........0
TOTAL COOLING UNITS FOR THE SEASON............901   DEPARTURE........+299
TOTAL COOLING UNITS LAST SEASON TO DATE.......810   DIFFERENCE........+91 

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY...............8   DEPARTURE.........-11
TOTAL HEATING UNITS FOR THE MONTH..............31   DEPARTURE..........-7
TOTAL HEATING UNITS FOR THE SEASON............452   DEPARTURE........-149
TOTAL HEATING UNITS LAST SEASON TO DATE.......477   DIFFERENCE........-25

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY...................24 SSW AT 5:18 A.M.
                   ASOS........................26 SSW AT 5:18 A.M.
                   DAVIS.......................25 SSW AT 5:17 A.M. RMY 26
FASTEST MILE FOR YESTERDAY.....................19 S   AT 5:40 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE..................21 SSW AT 5:40 A.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE.................19 S   AT 5:40 A.M.   
AVERAGE WIND SPEED AND DIRECTION.............10.2 SSW
                   ASOS......................10.7
                   DAVIS......................9.5 SW [215 Deg.]
*last of several occurrences

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.01  DEPARTURE......-0.14
                         ASOS..............0.02
TOTAL PRECIPITATION FOR THE MONTH..........0.01  DEPARTURE......-0.30
                         ASOS..............0.02
TOTAL PRECIPITATION FOR THE YEAR..........34.37  DEPARTURE......-9.71
                         ASOS.............34.72

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

10/1  57/52/55/-2/1.22/000/00                 33 NNE AERO  M  RMY 34
10/2  55/52/54/-3/0.19/000/00                 23 N   AERO  M  RMY N/A
10/3  69/53/61/+5/0.00/404/58                 21 ENE AERO  M  RMY 20
10/4  61/47/54/-2/T/493/71                    26 NE  AERO  M  RMY 27
10/5  61/44/53/-3/0.00/630/91                 22 NE  AERO  M  RMY 21
10/6  71/46/59/+4/0.00/682/99                 16 SW* AERO  M  RMY 15
10/7  75/54/65/+10/0.00/679/99                16 S   AERO  M  RMY 16
10/8  69/53/61/+7/0.00/130/19                 23 SSW AERO  M  RMY 23
10/9  63/44/54/0/1.89/000/00                  28 N   AERO  M  RMY 34
10/10 57/40/49/-5/0.00/658/97                 32 NW  AERO  M  RMY 32
10/11 62/39/51/-2/0.00/655/97                 17 N   AERO  M  RMY N/A
10/12 68/49/59/+6/0.00/645/96                 17 S   AERO  M  RMY 17
10/13 71/52/62/+9/T/348/52                    24 SSW AERO  M  RMY 28
10/14 58/41/50/-2/0.00/667/100                26 NNW AERO  M  RMY 25
10/15 58/38/48/-4/0.00/578/87                 23 S   AERO  M  RMY 26
10/16 68/46/57/+6/0.00/562/85                 28 SSW AERO  M  RMY 30
10/17 76/58/67/+16/0.00/494/75                23 WSW AERO  M  RMY N/A
10/18 74/56/65/+14/0.54/210/32                35 SSW AERO  M  RMY 37
10/19 79/58/69/+19/0.00/549/84                29 SSW AERO  M  RMY N/A
10/20 64/54/59/+9/0.05/429/66                 23 ENE AERO  M  RMY 22
10/21 75/57/66/+16/1.60/142/22                30 ESE AERO  M  RMY 31 TSTM
10/22 65/40/53/+4/0.23/000/00                 37 WSW AERO  M  RMY N/A
10/23 56/41/49/0/0.00/578/90                  47 W   AERO  M  RMY 50
10/24 59/41/50/+1/T/607/95                    38 W   AERO  M  RMY 40
10/25 48/33/41/-8/0.00/586/92                 33 WNW AERO  M  RMY 35
10/26 47/32/40/-8/0.00/495/78                 29 WNW AERO  M  RMY 31
10/27 46/28/37/-11/0.67/013/02                28 ESE AERO 28 ESE RMY N/A
10/28 51/41/46/-2/0.38/000/00                 40 WNW AERO 41 WNW RMY 43
10/29 55/37/46/-1/T/000/00                    24 SSW AERO 24 SSW RMY N/A
10/30 63/43/53/+6/0.27/.../..                 25 W   AERO 25 WSW RMY N/A
10/31 51/34/43/-4/0.00/.../..                 31 NW  AERO 29 NW  RMY 33

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

11/1  55/29/42/-4/0.00/.../..                 22 SSE AERO 22 S   RMY N/A
11/2  69/45/57/+11/0.00/.../..                24 SSW AERO 24 S   RMY 26

11/3 Low temp since midnight is 53F; normal low is now 37F

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

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

RECORDS FOR NOVEMBER 4
HIGH 77 IN 1987
LOW 22 IN 1891
PRECIP 3.27 INCHES IN 1910
SNOWFALL 6.4 IN 1945
PEAK GUST 73 WNW IN 1965

TODAY'S REPORT PREPARED BY: Cecilia Borries-Strigle