Saturday, June 18, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, JUNE 18, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0407E
SUNSET: 1924E
BREEZY WITH MUCH COOLER AND DRIER AIR TODAY….
Yesterday’s warm and humid conditions was upended by some
thunderstorms that rolled through parts of the area during
the afternoon yesterday. One such storm passed over Blue
Hill bringing a brief downpour and some gusty winds with
it. 0.20″ of rain fell within a 14 minute period. Gusts
to 30-35mph also accompanied this storm.
Today we’re enjoying the air on the other side of the cold
front with cool dry Canadian air taking over. The temperature
has only been able to get into the upper 60s under partial
sunshine. Dew points have been gradually falling from the
mid 50s this morning to the upper 40s early this afternoon.
It just doesn’t get much better than this in mid June!
The wind has been busy today with frequent gusts over 25mph.
The peak gust so far today is 35mph which occurred around
2am this morning. The average speed for the day is around
15mph.
Visibility has been excellent all day ranging from 70-80
miles!
The high so far today is 68F, which is 8 degrees below
the normal maximum of 76F. The low since midnight is 60F,
which is 1 degree above the normal minimum of 59F.
————————————————————–
Today’s Observations:
7 A.M.
Weather: Broken stratocumulus, broken altocumulus, thin broken cirrus,
altocumulus castellanus distant ESE-S
Temperature: 64F; Dew Point: 54F; Relative Humidity: 69%
Wind: NW @ 10G19 kts
Sea-level pressure: 1001.3 mb; 29.57 in. Hg: rising, then more rapidly
Visibility: 70 miles
6-hr Max temp: 66F
6-hr Min temp: 64F
24-hr Precip: 0.20 inches
BHO SA 1155 E55 BKN 110 BKN 250 -BKN 70 013/64/54/3110G19/957/
ACC DSNT ESE-S/ 8/581 53018 70020 10066 20064
10 A.M.
Weather: Broken stratocumulus, thin broken cirrus
Temperature: 65F; Dew Point: 48F; Relative Humidity: 53%
Wind: NNW @ 13G24 kts, peak wind NNW 32mph at 9:36 A.M.
Sea-level pressure: 1002.1 mb; 29.59 in Hg: rising unsteadily
Visibility: 80 miles
3-hr Precip: 0.00 inches
BHO SA 1455 E40 BKN 250 -BKN 80 021/65/48/3313G24/959/
PK WND 3428/36/ 8/501 52008
1 P.M.
Weather: Broken stratocumulus, broken cirrus
Temperature: 65F, Dew point: 47F; Relative Humidity: 51%
Wind: NNW @ 15G29 kts, peak wind NNW 33mph at 12:51 P.M.
Sea-level pressure: 1002.6 mb; 29.61 in Hg: falling, then rising
Visibility: 80 miles
6-hr Max temp: 68F
6-hr Min temp: 60F
6-hr Precip: 0.00 inches
BHO SA 1755 E40 BKN 250 BKN 80 026/65/47/3315G29/961/
PK WND 3229/51/ 8/502 53005 10068 20060
————————————————————–
SUMMARY FOR FRIDAY, JUNE 17, 2022
TEMPERATURE (DEGREES F)
MAX…….82 NORMAL…..76
MIN…….64 NORMAL…..58
MEAN……73 NORMAL…..67
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……..+6
TOTAL DEPARTURE FOR THE MONTH……………….+34 [+1.8 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY…………….0 DEPARTURE……..-2
TOTAL HEATING UNITS FOR THE MONTH……………23 DEPARTURE…….-31
TOTAL HEATING UNITS FOR THE SEASON…………5589 DEPARTURE……-610
TOTAL HEATING UNITS LAST SEASON TO DATE…….5594 DEPARTURE……..-5
COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….8 DEPARTURE……..+4
TOTAL COOLING UNITS FOR THE MONTH……………46 DEPARTURE……..+1
TOTAL COOLING UNITS FOR THE SEASON………….106 DEPARTURE…….+34
TOTAL COOLING UNITS LAST SEASON TO DATE……..114 DEPARTURE……..-8
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….35 NW @ 11:20 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..35 @ 11:20 P.M.
DAVIS #2 ………………31 SW @ 12:15 A.M.
RMY #2 (Instantaneous)…..35 WNW @ 1:09 P.M.
ASOS………..OUT OF SERVICE D/T RENOVATIONS
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………………25 WNW @ 1:11 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..24 @ 1:10 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………25 W @ 1:10 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..24 WNW @ 1:10 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……..OUT OF SERVICE D/T RENOVATIONS
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……..14.3 SW [344 total miles]
VECTOR #2………………15.0
DAVIS #2……………….14.8 WSW
RMY #2…………………15.0 WSW
RMY #1……….OUT OF SERVICE D/T RENOVATIONS
ASOS…………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……..0.20 DEPARTURE…..+0.03
TOTAL PRECIPITATION FOR THE MONTH…………..1.66 DEPARTURE…..-1.10
TOTAL PRECIPITATION FOR THE YEAR…………..19.24 DEPARTURE…..-6.12
PRELIMINARY CLIMATE SUMMARY FOR JUNE 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
6/01 62/52/57/-5/0.08/009/01 21 SSW AERO N/A RMY 22
6/02 67/53/60/-2/T/308/34 20 S AERO N/A RMY 21
6/03 64/52/58/-7/0.05/000/00 22 ENE AERO N/A RMY 22
6/04 75/52/64/+1/0.01/554/61 28 SSW AERO N/A RMY 29
6/05 76/50/63/0/0.00/882/97 28 WNW AERO N/A RMY 28
6/06 80/56/68/+5/0.00/783/86 22 S AERO N/A RMY 23
6/07 80/60/70/+6/0.02/619/68 36 SSW AERO N/A RMY 38
6/08 79/60/70/+6/0.42/537/59 36 S AREO N/A RMY 39
6/09 80/59/70/+6/0.71/466/51 43 WNW AERO N/A RMY 45
6/10 75/55/65/0/0.00/803/88 34 WNW AERO N/A RMY 33
6/11 78/58/68/+3/0.00/494/54 27 W AERO N/A RMY 27
6/12 77/59/68/+3/0.00/484/53 31 SSW AERO N/A RMY 32
6/13 82/64/73/+7/0.17/650/71 26 NW AERO N/A RMY 25
6/14 81/58/70/+4/0.00/…/.. 23 NW AERO N/A RMY 24
6/15 73/59/66/0/0.00/…/.. 22 ENE AERO N/A RMY 23
6/16 71/58/65/-2/0.00/…/.. 34 SSW AERO N/A RMY 37
6/17 82/64/73/+6/0.20/…/.. 35 NW AERE N/A RMY 35
6/18 The low since midnight is 60F, the daily normal low is 59F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR JUNE 18
HIGH 93F IN 1929, 1994
LOW 39F IN 1920
PRECIP 3.36 INS 1998
PEAK GUST 48e MPH W IN 1943
RECORDS FOR JUNE 19
HIGH 92F IN 1923
LOW 40F IN 1920
PRECIP 3.92 INS 1922
PEAK GUST 66e MPH NW IN 1940
TODAY’S REPORT PREPARED BY: Matt Douglas
