Monday, October 24, 2022

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

MONDAY, OCTOBER 24, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0606E
SUNSET:  1650E

CLOUDY AND COOL AGAIN TODAY WITH OFF AND ON SHOWERS, DRIZZLE….

We’ve been stuck in the clouds all day here on the hill with
visibility no more than 1/16th of a mile the entire day. Off and
on showers and periods of drizzle have also been occurring.
0.14″ of rain fell later yesterday and overnight, with another
0.02″ falling by the 1 P.M. observation.

Temperatures have been slowly creeping up from the low 50s
this morning to the upper 50s this afternoon.

The wind has been quite light today, actually decreasing in
speed as the day progresses. The average speed thus far for
the day is only around 8mph.

The high so far today is 57F, which is 1 degree below the
normal maximum of 58F. The low since midnight is 49F, which
is 8 degrees above the normal low of 41F.

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Today’s Observations:

7 A.M.
Weather: Sky obscured, vertical visibility 100ft
Temperature: 52F; Dew Point: 52F; Relative Humidity: 100%
Wind: NNE @ 7 kts
Sea-level pressure: 1024.9 mb; 30.27 in. Hg: rising, then more rapidly
Visibility: 1/16 mile, fog
6-hr Max temp: 52F
6-hr Min temp: 50F
24-hr Precip: 0.14 ins.
BHO SA 1155 X W1 1/16F 249/52/52/0307/027/ L-E30/ 8//// 53011
6006/ 70014 10052 20050

10 A.M.
Weather: Sky obscured, vertical visibility 100ft
Temperature: 55F; Dew Point: 55F; Relative Humidity: 100%
Wind: NE @ 5 kts, wind light
Sea-level pressure: 1025.0 mb; 30.27 in Hg: falling, then rising
Visibility: 1/16 mile, fog
3-hr Precip: Trace
BHO SA 1455 X W1 1/16F 250/55/55/0405/027/ L-E20 WND LGT/ 8////
53001 6000/

1 P.M.
Weather: Sky obscured, vertical visibility 100ft, light drizzle
Temperature: 57F, Dew point: 57F; Relative Humidity: 100%
Wind: NE @ 3 kts, wind light
Sea-level pressure: 1023.8 mb; 30.23 in Hg: falling, then more rapidly
Visibility: 1/16 mile, fog
6-hr Max temp: 57F
6-hr Min temp: 52F
6-hr Precip: 0.02 ins.
BHO SA 1755 X W1 1/16L-F 238/57/57/0403/023/ RW-E20 L-B20 WND LGT/
8//// 58012 6002/ 10057 20052

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SUMMARY FOR SUNDAY, OCTOBER 23, 2022

TEMPERATURE (DEGREES F)
MAX…….57   NORMAL…..58
MIN…….49   NORMAL…..41
MEAN……53   NORMAL…..50

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………..+3
TOTAL DEPARTURE FOR THE MONTH………………….+30 [+1.1 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY……………12  DEPARTURE……..-3
TOTAL HEATING UNITS FOR THE MONTH…………..224  DEPARTURE…….-37
TOTAL HEATING UNITS FOR THE SEASON………….323  DEPARTURE…….-55
TOTAL HEATING UNITS LAST SEASON TO DATE……..205  DEPARTURE……+118

COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….0  DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH…………….0  DEPARTURE……..-7
TOTAL COOLING UNITS FOR THE SEASON………….884  DEPARTURE……+207
TOTAL COOLING UNITS LAST SEASON TO DATE……..717  DEPARTURE……+167

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….28 NE  @  8:11 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..29     @  8:11 P.M.
DAVIS #2 ………………27 ENE @  8:11 P.M.
RMY #2 (Instantaneous)…..29 NE  @  8:11 P.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………………22 NE  @  8:11 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..20     @  8:12 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………20 ENE @  8:12 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..20 NE  @  8:12 P.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…….8.9 NE [214 total miles] VECTOR #2……………..9.4
DAVIS #2………………9.2 ENE
RMY #2………………..9.3 NE
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……..0.14 DEPARTURE…..-0.05
TOTAL PRECIPITATION FOR THE MONTH…………..4.70 DEPARTURE…..+0.66
TOTAL PRECIPITATION FOR THE YEAR…………..32.69 DEPARTURE….-10.02

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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  56/48/52/-6/0.02/000/00           26 NE   AERO N/A    RMY 27
10/2  55/48/52/-6/0.00/077/11           53 ENE  AERO N/A    RMY 55
10/3  54/48/51/-6/0.00/014/02           41 ENE  AERO N/A    RMY 41
10/4  56/49/53/-4/0.62/000/00           39 ENE  AERO N/A    RMY 38
10/5  56/52/54/-3/1.09/000/00           32 NNE  AERO N/A    RMY 32
10/6  72/56/64/+8/0.05/566/82           23 N    AERO N/A    RMY 23
10/7  77/52/65/+9/0.00/632/92           31 NW   AERO N/A    RMY 31
10/8  59/40/50/-5/0.02/596/87           23 NW   AERO N/A    RMY 23
10/9  61/36/49/-6/0.00/648/95           30 W    AERO N/A    RMY 30
10/10 65/45/55/0/0.00/231/34            24 SW   AERO N/A    RMY 24
10/11 65/45/55/1/0.00/623/92            22 WSW  AERO N/A    RMY 22
10/12 74/51/63/+9/0.00/612/91           29 SW   AERO N/A    RMY 29
10/13 66/54/60/+6/1.20/074/11           39 SSE  AERO N/A    RMY 39
10/14 66/54/60/+7/0.97/107/16           41 SE   AERO N/A    RMY 42
10/15 69/47/58/+5/0.00/632/95           18 SSW  AERO N/A    RMY 19
10/16 69/50/60/+8/0.00/564/85           17 W    AERO N/A    RMY 18
10/17 59/50/55/+3/0.38/007/01           29 SSE  AERO N/A    RMY 30
10/18 66/42/54/+2/0.21/…/..           34 SSW  AERO N/A    RMY 36
10/19 56/38/47/-4/0.00/…/..           32 WSW  AERO N/A    RMY 34
10/20 58/39/49/-2/0.00/…/..           35 SW   AERO N/A    RMY 35
10/21 64/43/54/+3/0.00/…/..           23 SSW  AERO N/A    RMY 24
10/22 68/47/58/+8/0.00/…/..           20 SSW  AERO N/A    RMY 20
10/23 57/49/53/+3/0.07/…/..           28 NE   AERO N/A    RMY 29

10/24 The low since midnight is 49F, the daily normal low is 41F

DAILY RECORDS

10/02/2022: NEW PEAK WIND GUST RECORD OF 53 MPH ENE,
PREVIOUS RECORD WAS 52e MPH S IN 1952 AND
52 MPH NNW IN 1984.

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

RECORDS FOR OCTOBER 24
HIGH 79F IN 1963
LOW 22F IN 1969
PRECIP 2.96 INCHES IN 1890
SNOWFALL 1.8 INCHES IN 1960
PEAK GUST 70 MPH SE IN 1959

RECORDS FOR OCTOBER 25
HIGH 81F IN 1963
LOW 26F IN 1922,1939
PRECIP 2.45 INCHES IN 2005
SNOWFALL 1.2 INCHES IN 1960
PEAK GUST 72 MPH ESE IN 1980

TODAY’S REPORT PREPARED BY: Matt Douglas