Sunday, November 13, 2022

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

SUNDAY, NOVEMBER 13, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0632E
SUNSET:  1624E

WET AND MUCH COOLER TODAY FOLLOWING WARM TEMPS YESTERDAY….

What a difference a day makes! After temperatures in the 70s
yesterday, today has been some 20-25 degrees colder. The
high temperature for today was way back at midnight, when it
was 51 degrees. Temps have been gradually falling through the
upper 40s to the mid 40s since this morning.

An area of light rain has been moving through this morning
into early this afternoon. Rainfall from this has only amounted
to 0.08″ since 7am. So far there has been no sun today.

The wind has been mostly light this morning, but has been
showing signs of trying to increase this afternoon. The
average speed for the day is around 9mph so far. A peak gust
of 30mph occurred just after the 1pm observation.

The high so far today is 51F, which is equal to the normal
maximum of 51F. The low since midnight is 47F, which is 12
degrees above the normal low of 35F.

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Today’s Observations:

7 A.M.
Weather: Overcast nimbostratus, light rain
Temperature: 49F; Dew Point: 47F; Relative Humidity: 92%
Wind: N @ 7 kts
Sea-level pressure: 1008.7 mb; 29.79 in. Hg: rising, then steady
Visibility: 10 mile, 25 miles NNE-SE, thin fog
6-hr Max temp: 50F
6-hr Min temp: 49F
24-hr Precip:  0.12 ins.
24-hr Snowfall: 0.0 ins.
BHO SA 1155 E36 OVC 10R- 087/49/47/3507/979/ FEW BINOVC DSNT NE-ESE
FEW STFRA DSNT NE-ESE THN F ALQDS R-E11B44 VSBY 25 NNE-SE/ 8/72/
51005 6000/ 70012 10050 20049

10 A.M.
Weather: Sky obscured, vertical visibility 200ft
Temperature: 49F; Dew Point: 49F; Relative Humidity: 100%
Wind: N @ 7 kts
Sea-level pressure: 1007.8 mb; 29.76 in. Hg: falling, then more rapidly
Visibility: 1/4 mile, fog
3-hr Precip:  0.05 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 X W2 1/4F 078/49/49/3607/976/ R-E14/ 8//// 58009 6005/

1 P.M.
Weather: Broken stratocumulus, overcast nimbostratus, virga SW-NNW
Temperature: 47F, Dew point: 46F; Relative Humidity: 98%
Wind: NNW @ 12G20 kts
Sea-level pressure: 1006.5 mb; 29.72 in Hg: falling, then more rapidly
Visibility: 20 miles, 10 miles SW-NNW, thin fog
6-hr Max temp: 49F
6-hr Min temp: 47F
6-hr Precip:  0.08 ins.
6-hr Snowfall: 0.0 ins.
BHO SA 1755 E4 BKN 20 OVC 20 065/47/46/3312G20/972/ THN F ALQDS R-E18
VIRGA SW-NNW VSBY 10 SW-NNW/ 8/52/ 58013 6008/ 10049 20047

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SUMMARY FOR SATURDAY, NOVEMBER 12, 2022

TEMPERATURE (DEGREES F)
MAX…….72   NORMAL…..51
MIN…….51   NORMAL…..35
MEAN……62   NORMAL…..43

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……..+19
TOTAL DEPARTURE FOR THE MONTH……………….+152 [+12.4 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY…………….3  DEPARTURE…….-19
TOTAL HEATING UNITS FOR THE MONTH……………92  DEPARTURE……-149
TOTAL HEATING UNITS FOR THE SEASON………….505  DEPARTURE……-247
TOTAL HEATING UNITS LAST SEASON TO DATE……..537  DEPARTURE…….-32

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….47 SSW @ 12:53 A.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..51     @ 12:53 A.M.
DAVIS #2 ………………53 S   @  7:29 A.M.
RMY #2 (Instantaneous)…..51 SSW @ 12:18 A.M.
VECTOR #1……OUT OF SERVICE D/T RENOVATIONS
DAVIS #1…….OUT OF SERVICE D/T RENOVATIONS
RMY #1………OUT OF SERVICE D/T RENOVATIONS
MERLIN………OUT OF SERVICE D/T RENOVATIONS

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………37 SSW @  7:56 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..34     @  7:54 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………36 S   @  7:29 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..35 SSW @  7:57 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE….OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE RMY #1 AVERAGE……OUT OF SERVICE D/T RENOVATIONS

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL…….18.2 SSW [436 total miles] VECTOR #2……………..18.5
DAVIS #2………………18.4 WSW
RMY #2………………..18.5 WSW
RMY #1……….OUT OF SERVICE D/T RENOVATIONS
VECTOR #1…….OUT OF SERVICE D/T RENOVATIONS
DAVIS #1……..OUT OF SERVICE D/T RENOVATIONS

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.12 DEPARTURE…..-0.02
TOTAL PRECIPITATION FOR THE MONTH…………..0.85 DEPARTURE…..-0.90
TOTAL PRECIPITATION FOR THE YEAR…………..34.53 DEPARTURE….-11.38

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE…….0.0
TOTAL SNOWFALL FOR THE MONTH………………..0.0 DEPARTURE……-0.4
TOTAL SNOWFALL FOR THE SEASON (2022-2023)…….0.0 DEPARTURE……-1.1

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PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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  61/54/58/+11/0.11/0.0/000/00        21 NW   AERO N/A    RMY 21
11/2  68/50/59/+12/0.00/0.0/598/97        29 N    AERO N/A    RMY 30
11/3  67/48/58/+12/0.00/0.0/597/97        24 WSW  AERO N/A    RMY 24
11/4  70/48/59/+13/0.00/0.0/411/67        38 WSW  AERO N/A    RMY 40
11/5  75/57/66/+20/0.00/0.0/336/55        35 SW   AERO N/A    RMY 36
11/6  74/63/69/+24/0.00/0.0/079/13        40 SW   AERO N/A    RMY 43
11/7  74/49/62/+17/T/0.0/448/74           38 NW   AERO N/A    RMY 42
11/8  53/35/44/-1/0.00/0.0/…/..         32 N    AERO N/A    RMY 32
11/9  52/30/41/-3/0.00/0.0/…/..         27 SW   AERO N/A    RMY 29
11/10 67/41/54/+10/0.00/0.0/…/..        35 WSW  AERO N/A    RMY 38
11/11 69/53/61/+18/0.50/0.0/…/..        56 SSW  AERO N/A    RMY 60
11/12 72/51/62/+19/0.24/0.0/…/..        47 SSW  AERO N/A    RMY 51

11/13 The low since midnight is 47F, the daily normal low is 35F

DAILY RECORDS

11/05/2022: TIED RECORD HIGH MINIMUM OF 57F, ALSO SET IN 1948.

11/06/2022: NEW RECORD HIGH MINIMUM OF 63F,
PREVIOUS RECORD WAS 60F IN 2015
NEW RECORD HIGH MAXIMUM OF 74F,
PREVIOUS RECORD WAS 72F IN 2020

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

RECORDS FOR NOVEMBER 13
HIGH 66 IN 1931, 1964
LOW 14 IN 1920
PRECIP 1.96 INCHES IN 1982
SNOWFALL 4.6 IN 2004
PEAK GUST 77 S IN 1982

RECORDS FOR NOVEMBER 14
HIGH 70 IN 1993
LOW 11 IN 1905
PRECIP 2.08 INCHES IN 2009
SNOWFALL 3.5 IN 1997, 2014
PEAK GUST 63 W IN 2003

TODAY’S REPORT PREPARED BY: Matt Douglas