Sunday, November 3, 2019

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, NOVEMBER 3, 2019
ALL TIMES ARE IN EASTERN STANDARD TIME

ANOTHER GOOD WEATHER DAY WITH SOME AFTERNOON
CLOUDS….

Today we observed very few clouds, and a visibility at or
below 70 miles. Wind was light in the morning, but reached a
peak gust exceeding 20 mph in the afternoon. Weather conditions
remain dry, with dew points in the upper 20’s. The high so far
today is 52F, 3 degrees below the daily normal maximum of 55F.
The low since midnight is 35F, 3 degrees below the normal minimum
of 38F.

Today’s Observations:

7 A.M.
Weather: Clear
Temperature: 36F; Dew Point: 30F; Wind: W at 11 kts
Sea-level pressure: 30.00 ins. Hg, rising steadily
Visibility: 70 miles
6-hr Max temp: 38F
6-hr Min temp: 35F
24-hr Precip: 0.00 ins.
BHO SA 1155 CLR 70 160/36/30/2711/000/ 53012 10038 20035

10 A.M.
Weather: Clear, few distant cumulus S-NW
Temperature: 48F; Dew Point: 30F; Wind: W at 6 kts,
Wind: Light
Sea-level pressure: 30.05 ins. Hg, rising steadily
Visibility: 70 miles
BHO SA 1455 CLR 70 176/48/30/2706/005/ FEW DSNT CU S-NW WND
LGT/ 8/100 51016

1 P.M.
Weather: Scattered cumulus
Temperature: 52F; Dew Point: 26F; Wind: WSW at 12G19 kts
Sea-level pressure: 30.02 ins. Hg, falling steadily
Visibility: 70 miles
6-hr Max temp: 52F
6-hr Min temp: 36F
BHO SA 1755 40 SCT 70 167/52/26/2512G19/002/ 8/100 56009 10052
20036

SUMMARY FOR SATURDAY, NOVEMBER 2, 2019

TEMPERATURE (DEGREES F)
MAX…..50   NORMAL…..55
MIN…..31   NORMAL…..37
MEAN….41   NORMAL…..46

DEPARTURE FROM 30-YEAR NORMAL…………………0
TOTAL DEPARTURE FOR THE MONTH…………………0 [-0.2 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………24  DEPARTURE………+5
TOTAL HEATING UNITS FOR THE MONTH……………38  DEPARTURE……….0
TOTAL HEATING UNITS FOR THE SEASON………….478  DEPARTURE…….-123
TOTAL HEATING UNITS LAST SEASON TO DATE……..557  DEPARTURE……..-79

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………….0  DEPARTURE……….0
TOTAL COOLING UNITS FOR THE MONTH…………….2  DEPARTURE………-3
TOTAL COOLING UNITS FOR THE SEASON………….682  DEPARTURE……..+80
TOTAL COOLING UNITS LAST SEASON TO DATE……..874  DEPARTURE…….-192

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………..17 WNW AT 12:45 A.M.
AERO…………………….14 W   AT 11:44 P.M
ASOS…………………….17 W   AT 12:06 A.M.
DAVIS……………………17 W   AT 12:04 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………….13 W   AT 11:50 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………….14 W   AT 11:50 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE………………14 W   AT 11:49 P.M.
AVERAGE WIND SPEED AND DIRECTION……………..7.4 NW
ASOS……………………..8.0
DAVIS…………………….7.6 W [268 deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……-0.16
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….0.12  DEPARTURE……-0.19
ASOS…………..0.12
TOTAL PRECIPITATION FOR THE YEAR……….45.46  DEPARTURE……+1.37
ASOS………….45.81

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  67/52/60/+3/0.06/028/04               28 SW  AERO 25 SSW RMY 29
10/02  74/49/62/+5/0.42/021/03               30 ENE AERO 25 ENE RMY 28
10/03  51/46/49/-7/…./000/00               28 ENE AERO 26 ENE RMY N/A
10/04  59/40/50/-6/…./397/57               38 NNW AERO 38 NNW RMY 38
10/05  58/35/47/-9/0.00/687/99               21 N   AERO 18 SSW RMY N/A
10/06  65/44/55/0/0.00/263/38                36 SSW AERO 35 SSW RMY N/A
10/07  77/57/67/+12/0.12/316/46              47 SSW AERO 46 SSW RMY 49
10/08  60/52/56/+2/T/000/00                  22 NE  AERO 18 NW  RMY N/A
10/09  55/49/52/-2/…./000/00               43 NE  AERO 37 NE  RMY 44
10/10  54/47/51/-3/…./000/00               41 NE  AERO 37 NE  RMY 42
10/11  52/48/50/-3/…./000/00               41 NE  AERO 39 NE  RMY 41
10/12  52/49/51/-2/…./000/00               39 NE  AERO 37 NE  RMY N/A
10/13  66/48/57/+4/…./570/85               18 WNW AERO 17 WNW RMY 18
10/14  67/51/59/+7/…./335/50               18 WSW AERO 17 WSW RMY N/A
10/15  61/43/52/0/…./653/98                18 NNW AERO 17 NNW RMY N/A
10/16  61/45/53/+2/…./305/46               58 ESE AERO 58 ESE RMY N/A
10/17  60/46/53/+2/…./086/13               61 E   AERO 63 E   RMY N/A
10/18  57/41/49/-2/…./099/15               29 WNW AERO 32 W   RMY 32
10/19  58/36/47/-3/…./648/99               18 NW  AERO 18 NW  RMY 19
10/20  60/43/52/+2/T/280/43                  14 NE  AERO 16 NE  RMY N/A
10/21  59/49/54/+4/0.01/591/91               25 E   AERO 21 NE  RMY 23
10/22  58/47/53/+4/…./078/12               29 E   AERO 28 E   RMY 23
10/23  65/48/57/+8/…./431/67               35 W   AERO 35 W   RMY 36
10/24  67/43/55/+6/…/…/..                28 SSW AERO 28 SSW RMY 29
10/25  64/47/56/+7/…/…/..                20 WSW AERO 21 SW  RMY N/A
10/26  58/45/52/+4/…/…/..                20 N   AERO 18 N   RMY N/A
10/27  52/45/49/+1/1.43/…/..               37 ESE AERO 35 ESE RMY 37
10/28  53/46/50/+2/…/…/..                24 NNW AERO 24 NNW RMY N/A
10/29  54/47/51/+4/…./…/..               15 ESE AERO 15 ESE RMY 14
10/30  65/51/58/+11/…./…/..              24 S   AERO M  M   RMY N/A
10/31  68/58/63/+16/…./…/..              61 S   AERO M  M   RMY N/A

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  67/35/51/+5/…./…/..               67 S   AERO M  M RMY N/A
11/02  50/31/41/-5/…./…/..               17 WNW AERO 14 W RMY N/A

11/03 The low since midnight is 35F, daily normal minimum is 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: Benjamin Turner