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Sunday, November 6, 2016

November 6, 2016

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, NOVEMBER…

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, NOVEMBER 6, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME

RAIN AND GRAUPEL ON THE SUMMIT TODAY

Rain showers that began early this morning continued
this afternoon mixing with some graupel for a time.
Only a trace amount of Graupel fell but .01 inches
of precipitation had fallen by the 1 o’clock observation.

Winds had shifted from the West to the north by 1 and
temperatures which had warmed into the mid 40s had dropped
back into the lower 40s as humidities went to 100%.

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: 11598 mins. of possible 19824 or 59%
Astronomical total minutes: 11986 mins. of possible 20503 or 58%

7 A.M.
Weather: Broken altocumulus, Few cumulus ENE-ESE
Temperature: 43F; Dew Point: 43F; Wind: NNW at 9 kts
Sea-level pressure: 30.08 ins. Hg, increasing then more rapidly
Visibility: 50 miles
6-hr Max temp: 47F
6-hr Min temp: 43F
24-hr precip: 0.03 in.
BHO SA 1155 E50 BKN 50 186/43/43/3309/008/ FEW CU FRAC ENE-ESE/ 8/4//
53014 MANUAL 70003 ASOS 70003 10047 20043

10 A.M.
Weather: Broken Altocumulus, Few cumulus
Temperature: 44F; Dew Point: 42F; Wind: N at 8 kts,
Sea-level pressure: 30.15 ins. Hg, rising then more rapidly
Visibility: 40 miles
BHO SA 1455 E80 BKN 70 213/44/42/1008/015/ FEW CU/ 8/17/ 53027

1 P.M.
Weather: Broken Stratocumulus, Few Cumulus Fractus, Few Stratus
Fractus
Temperature: 42F; Dew Point: 42F; Wind: N at 7 kts
Sea-level pressure: 30.18 ins. Hg, rising then more rapidly
Visibility: 70 miles
6-hr Max. temp: 44F
6-hr Min. temp: 42F
6-hr Precip: 0.01
BHO SA 1755 E50 BKN 70 220/42/42/0507/018/ FEW CU FRAC FEW S FRAC
VIRGA N AND E SHOWERS SSE-S AND SW VSBY SSE-SSW 30/ 8/8// 53007
MANUAL 60001 ASOS 60001 10044 20042

SUMMARY FOR SATURDAY, NOVEMBER 5, 2016

TEMPERATURE (DEGREES F)
MAX…..55   NORMAL…..53
MIN…..32   NORMAL…..36
MEAN….44   NORMAL…..45

DEPARTURE FROM 30-YEAR NORMAL……………………-1
TOTAL DEPARTURE FOR THE MONTH…………………..+18 [+4.5 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…………..21   DEPARTURE……….+1
TOTAL HEATING UNITS FOR THE MONTH…………..79   DEPARTURE………-17
TOTAL HEATING UNITS FOR THE SEASON…………500   DEPARTURE……..-160
TOTAL HEATING UNITS LAST SEASON TO DATE…….494   DIFFERENCE………+6

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….24 W   AT  12:05 P.M.
ASOS……………………24 W   AT  12:05 P.M.
DAVIS…………………..22 W   AT  12:06 P.M. RMY 24
FASTEST MILE FOR YESTERDAY…………………15 W   AT  12:07 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………17 WNW AT  12:06 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..14 W   AT  12:06 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..9.4 W
ASOS…………………..9.8
DAVIS………………….8.3 W [263 Deg.] *last of several occurrences

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.03  DEPARTURE……-0.12
ASOS…………..0.03
TOTAL PRECIPITATION FOR THE MONTH……….0.04  DEPARTURE……-0.74
ASOS…………..0.05
TOTAL PRECIPITATION FOR THE YEAR……….34.40  DEPARTURE…..-10.15
ASOS………….34.75

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/+6/0.27/150/24                 25 W   AERO 25 WSW RMY N/A
10/31 51/34/43/-4/0.00/602/97                 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  65/49/57/+11/0.01/…/..                38 W   AERO 41 W   RMY 38
11/4  56/35/46/+1/0.00/…/..                 26 NW  AERO 26 NW  RMY 30
11/5  55/32/44/-1/0.03/…/..                 24 W   AERO 23 W   RMY 24

11/6 Low temp since midnight is 43F; 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 6
HIGH 71 IN 1959, 2015
LOW 22 IN 1951
PRECIP 1.72 INCHES IN 1907
SNOWFALL 8.0 IN 1894
PEAK GUST 63 W IN 1973

RECORDS FOR NOVEMBER 7
HIGH 75 IN 1938
LOW 21 IN 1930
PRECIP 2.02 INCHES IN 1953
SNOWFALL 3.5 IN 2012
PEAK GUST 69e ENE IN 1953

TODAY’S REPORT PREPARED BY: Robert Millette

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Blue Hill Observatory & Science Center · Legal

Data Use & Privacy Policy

Please read the full Policy before accessing Observatory data · Effective January 1, 2025

Notice: By accessing, downloading, or using any Blue Hill Observatory data or services, you unconditionally accept and agree to be bound by this Policy in its entirety. If you do not agree, you may not access or use Observatory data.
Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
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