Saturday, September 6, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, SEPTEMBER 6, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
UNSEASONABLY HOT AND HUMID WEATHER CONTINUES
THERMOMETER AGAIN HEADED UP TOWARD 90 DEGREES
ALONG WITH VERY HUMID CONDITIONS
After a very warm overnight low temperature of 72F,
strong sunshine has boosted the temperature to the
upper 80’s to possibly 90 degrees by early afternoon.
The dew points have risen to 72F usually high for
early September. Hopefully some showers and thunder-
storms will bring us some badly needed rain later
this afternoon.
Today’s Observations:
7 A.M.
Weather: Overcast stratus, ceiling ragged, small breaks in overcast,
thin spots and bright spots in overcast
Temperature: 75F; Dew Point: 72F; Wind: SSW at 12 kts,
Sea-level pressure: 29.94 ins. Hg, falling slightly
Visibility: 6 miles in thin fog, except 8 miles SW and N-NE
6-hr max temp: 76F
6-hr min temp: 73F
24-hr precip: 0.00
BHO SA 1155 E12 OVC 6F 140/75/72/2112/994/ CIG RGD
SML BINOVC/THN SPTS/BRGHT SPTS IOVC VSBY SW 8 N-NE 8
THN F ALQDS/ 8/6// 56004 10076 20073
10 A.M.
Weather: Scattered stratocumulus, hazy
Temperature: 85F; Dew Point: 72F; Wind: SSW at 14 kts,
Sea-level pressure: 29.91 ins. Hg, falling steady
Visibility: 15 miles, except 20 miles WNW, hazy
BHO SA 1455 20 SCT 15 130/85/72/2114/991/ VSBY WNW 20 HAZY ALQDS/
8/500 56015
1 P.M.
Weather: Scattered cumulus and moderate cumulus, broken altocumulus
Temperature: 88F; Dew Point: 71F; Wind: SW at 17 kts,
Wind: Peak wind SW at 28 kts at 12:49 P.M. EST
Sea-level pressure: 29.8I ns. Hg, falling, then more SLOWLY
Visibility: 20 miles, hazy
6-hr max. temp: 90F
6-hr min. temp: 75F
BHO SA 1755 45 SCT 140 BKN 20 106/88/71/2217G28/984/ FEW MDT CU AC ALQDS
HAZY PK WND 2228/49/ 8/230 56024 10090 20075
WEATHER SUMMARY FOR FRIDAY, SEPTEMBER 5, 2014
TEMPERATURE (DEGREES F)
MAX…..89 NORMAL…..75
MIN…..66 NORMAL…..58
MEAN….78 NORMAL…..67
DEPARTURE FROM 30-YEAR NORMAL……………………+11
TOTAL DEPARTURE FOR THE MONTH……………………+50 [+9.8 DEGREES/DAY]
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY………….13 DEPARTURE……….+10
TOTAL COOLING UNITS FOR THE MONTH………….62 DEPARTURE……….+44
TOTAL COOLING UNITS FOR THE SEASON………..541 DEPARTURE……….-14
TOTAL COOLING UNITS LAST SEASON TO DATE……663 DIFFERENCE……..-122
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………25 SSW AT 10:56 P.M. *
ASOS…………………..28 SSW AT 10:47 P.M.
DAVIS………………….28 SSW AT 5:35 P.M. RMY 29
FASTEST MILE FOR YESTERDAY………………..21 SSW AT 3:31 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..22 SSW AT 5:36 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….21 SSW AT 5:36 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..13.0 SSW
ASOS…………………..12.8
DAVIS………………….11.7 SSW [210 deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE……….-0.12
ASOS…………..0.00
TOTAL PRECIPITATION FOR SEPTEMBER……….0.00 DEPARTURE……….-0.58
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE YEAR……….31.18 DEPARTURE……….-4.42
ASOS………….31.43
PRELIMINARY CLIMATE SUMMARY FOR AUGUST & SEPTEMBER CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY 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
8/1 86/63/75/+3/0.00/598/69 25 S RMY 29
8/2 68/59/64/-8/0.11/009/01 21 ESE RMY 22
8/3 71/60/66/-6/0.01/104/12 12 SE RMY 12
8/4 83/64/74/+2/0.00/550/64 20 S RMY 21
8/5 87/66/77/+5/0.00/798/93 17 S RMY 19
8/6 79/64/72/0/0.07/462/54 23 WNW RMY 25
8/7 79/58/69/-3/T/589/69 22 NW RMY 24 TSTM
8/8 82/55/69/-3/0.00/817/96 20 WNW RMY 20
8/9 82/60/71/-1/0.00/730/86 16 WNW RMY 17
8/10 84/63/74/+3/0.00/770/91 15 W RMY N/A
8/11 85/63/74/+3/0.00/667/79 25 S RMY 29
8/12 81/64/73/+2/0.00/387/46 25 SSE RMY N/A
8/13 69/61/65/-6/1.09/000/00 35 ESE RMY 37
8/14 73/57/65/-6/0.00/828/99 27 W RMY 29
8/15 74/56/65/-6/0.09/459/55 23 W RMY 23 TSTM
8/16 76/56/66/-5/0.00/640/77 24 SW RMY 27
8/17 78/60/69/-2/0.01/555/67 21 WNW RMY 23
8/18 77/56/67/-4/0.00/776/94 23 WNW RMY 25
8/19 78/54/66/-4/0.00/816/99 17 WNW RMY 17
8/20 78/58/68/-2/0.00/813/99 15 NE RMY 15
8/21 76/58/67/-3/T/434/53 16 ENE RMY 17
8/22 71/60/66/-4/0.07/057/07 17 NE RMY 19
8/23 71/58/65/-5/0.00/618/76 22 ENE RMY 25
8/24 78/58/68/-2/0.00/811/100 16 ENE RMY N/A
8/25 85/63/74/+5/0.00/808/100 16 NW RMY 17
8/26 89/62/70/+7/0.00/781/97 20 SSW RMY 23
8/27 89/64/77/+8/0.03/731/91 23 SW RMY 25
8/28 80/59/70/+1/0.00/640/80 25 NW RMY 28
8/29 73/54/64/-5/0.00/787/99 18 E RMY 21
8/30 77/55/66/-2/0.00/723/91 23 S RMY 28
8/31 83/63/73/+5/0.07/150/19 26 SSW RMY 31
9/1 88/69/79/+11/0.00/…/.. 16 W RMY 19
9/2 91/70/81/+13/0.00/…/.. 24 S RMY 27 TSTM
9/3 83/67/75/+8/0.00/…/.. 24 NW RMY 27
9/4 86/61/74/+7/0.00/…/,. 20 SW RMY 22
9/5 89/66/78/+11/0.00/…/.. 25 SSW RMY 29
9/6 morning low temp: 73F since midnight; normal low now 58F
DAILY RECORDS FOR AUGUST 2014:
None so far.
DAILY RECORDS FOR SEPTEMBER 2014:
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR SEPTEMBER 6
HIGH 92F IN 1900
LOW 39F IN 1888
PRECIP 3.19 INCHES IN 1890
PEAK GUST 78e MPH SE IN 1979 (TROPICAL STORM DAVID)
RECORDS FOR SEPTEMBER 7
HIGH 90F IN 1971
LOW 45F IN 1906
PRECIP 1.37 INCHES IN 1907
PEAK GUST 46 MPH NW IN 1994
TODAY’S REPORT PREPARED BY: Robert Skilling
