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Sunday, August 26, 2018

August 27, 2018

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

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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, AUGUST 26, 2018
ALL TIMES ARE IN EASTERN STANDARD TIME

SEASONABLE, COMFORTABLE DAY ON TOP OF GREAT BLUE HILL…

The visibility through the day remained consistent at 40 miles,
due to a distant haze. Clouds decreased since this morning,
allowing for temperatures to increase to 80F by the 1 P.M.
observation. This is 2 degrees higher than the daily normal
high temperature of 78F. The low since midnight was 59F, which
was 2 degrees lower than the daily normal.

Today’s Observations:

7 A.M.
Weather: Scattered cirrus, few altocumulus in all directions
Temperature: 64F; Dew Point: 57F; Wind: WSW at 7G12 kts,
Sea-level pressure: 30.19 ins. Hg, steady then decreasing
Visibility: 40 miles, thin smoke layer in all directions
6-hr Max temp: 64F
6-hr Min temp: 59F
24-hr Precip: 0.00 ins.
BHO SA 1155 250 SCT 40 229/64/57/2507G12/019/ FEW AC ALQDS
THN K LYR ALQDS/ 8/082 58003 10064 20059

10 A.M.
Weather: Scattered cirrus, few cumulus, few altocumulus SW-NE
Temperature: 73F; Dew Point: 59F; Wind: SW at 7G13 kts
Sea-level pressure: 30.19 ins. Hg, steady then falling
Visibility: 40 miles, distant haze in all directions
3-hr Precip: 0.00 ins.
BHO SA 1455 250 SCT 40 220/73/59/2207G13/019/ FEW CU
SW-NE FEW AC ALQDS DSNT HZ ALQDS/ 8/184 58009

1 P.M.
Weather: Scattered cumulus, broken cirrostratus
Temperature: 80F; Dew Point: 62F; Wind: WSW at 9G15 kts,
Sea-level pressure: 30.11 ins. Hg, falling, then more rapidly
Visibility: 40 miles, distant haze in all directions
6-hr Max temp: 80F
6-hr Min temp: 64F
6-hr Precip: 0.00 ins.
BHO SA 1755 40 198/80/62/2409G15/011/ FEW CU ALQDS DSNT HZ ALQDS/
8/100 58022 10080 20064

SUMMARY FOR SATURDAY, AUGUST 25, 2018

TEMPERATURE (DEGREES F)
MAX…..80   NORMAL…..78
MIN…..59   NORMAL…..61
MEAN….70   NORMAL…..69

DEPARTURE FROM 30-YEAR NORMAL…………………….+1
TOTAL DEPARTURE FOR THE MONTH……………………+78 [+3.1 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY……………5  DEPARTURE………..0
TOTAL COOLING UNITS FOR THE MONTH………….229  DEPARTURE………+70
TOTAL COOLING UNITS FOR THE SEASON…………684  DEPARTURE……..+174
TOTAL COOLING UNITS LAST SEASON TO DATE…….605  DEPARTURE………+79

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY…………………20 S   AT  7:30 P.M.
AERO……………………..18 S   AT  7:27 P.M.
ASOS……………………..21 S   AT  7:31 P.M.
DAVIS…………………….21 M   AT  5:14 P.M.** RMY 20
FASTEST MILE FOR YESTERDAY…………………..14 SSE AT  7:04 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………..15 SSW AT  8:35 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………….16 M   AT  5:16 P.M.**
AVERAGE WIND SPEED AND DIRECTION…………….9.5 SSW
ASOS…………………….10.1
DAVIS……………………10.0 M**
** DAVIS DIRECTION MALFUNCTIONING

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……-0.11
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….3.95  DEPARTURE……+0.59
ASOS…………..3.94
TOTAL PRECIPITATION FOR THE YEAR……….37.96  DEPARTURE……+3.79
ASOS………….39.52

PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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

8/1  82/66/74/+2/T/199/23           31 S   AERO 30 S   RMY 31
8/2  92/74/83/+11/0.00/761/88       30 SW  AERO 28 SW  RMY 31
8/3  88/74/81/+9/0.19/492/57        35 NW  AERO 32 NW  RMY 35 TSTM
8/4  82/69/76/+4/1.16/301/35        28 SW  AERO 25 SW  RMY 30 TSTM
8/5  89/66/78/+6/0.00/815/95        20 W   AERO 18 W   RMY 19
8/6  92/71/82/+10/0.00/822/96       20 W   AERO 16 WSW RMY N/A
8/7  92/73/83/+11/0.00/682/80       25 S   AERO 23 S   RMY 26
8/8  88/71/80/+8/0.70/460/54        25 SSW AERO 25 SSW RMY N/A TSTM
8/9  86/70/78/+6/0.07/509/60        29 SW  AERO 28 SW  RMY N/A TSTM
8/10 85/66/76/+5/T/651/77           17 NW  AERO 16 NW  RMY N/A
8/11 70/66/68/-3/…./000/00        18 SE  AERO 17 SE  RMY 18
8/12 73/66/70/-1/…./000/00        23 NNE AERO 18 NNE RMY 21
8/13 69/64/67/-4/0.17/000/00        23 ENE AERO 21 ENE RMY 21
8/14 83/69/76/+5/0.00/502/60        25 S   AERO 23 S   RMY 24
8/15 86/68/77/+6/0.00/509/61        20 W   AERO 17 W   RMY 19
8/16 87/70/79/+8/0.00/…/..        20 W   AERO 18 W   RMY 20
8/17 83/67/75/+4/…./…/..        23 SSW AERO 23 SSW RMY N/A
8/18 83/63/73/+2/…./…/..        31 NE  AERO 30 NE  RMY 33 TSTM
8/19 68/62/65/-5/…./…/..        30 NE  AERO 30 NE  RMY 32
8/20 72/61/67/-3/0.00/…/..        28 ENE AERO 25 ENE RMY 27
8/21 69/61/65/-5/T/…/..           20 ESE AERO 17 ESE RMY N/A
8/22 82/62/72/+2/…./…/..        35 WNW AERO 35 WNW RMY 35
8/23 76/60/68/-2/…./…/..        25 NW  AERO 23 NW  RMY 27
8/24 82/59/71/+1/0.00/…/..        20 SSE AERO 18 SSE RMY 20
8/25 80/59/70/+1/0.00/…/..        20 S   AERO 18 S   RMY 20

8/26 Low temp since midnight is 59F; normal low is now 61F

DAILY RECORDS FOR AUGUST 2018

08/03/18: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 74F,
BREAKS PREVIOUS RECORD OF 71F SET IN 1928, 1969, AND 1979

08/07/18: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 73F,
BREAKS PREVIOUS RECORD OF 72F SET IN 1988

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

RECORDS FOR AUGUST 26
HIGH 96F IN 1900, 1948
LOW 46F IN 1885
PRECIP 5.85 INCHES IN 1924
PEAK GUST 55e MPH NNW IN 1947

RECORDS FOR AUGUST 27
HIGH 99F IN 1948
LOW 44F IN 1885
PRECIP 2.77 INCHES IN 1946
PEAK GUST 48 MPH NW IN 1983

TODAY’S REPORT PREPARED BY: Samantha Richard and Benjamin Turner

 

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Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
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