Wednesday, May 28, 2014
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, MAY 28, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
RAW DAY ON THE HILL WITH FOG, DRIZZLE AND RAIN FOLLOWING
THUNDERSTORMS OVERNIGHT
Showers and thunderstorms moved through last night with several
heavy downpours prompting a brief Flash Flood Warning being issued
by the National Weather Service for the Boston metro area. By 7:00 AM
EST this morning 0.48 inches of rain had been collected, with the majority
of the precipitation falling during some of the isolated storms late
last night.
Fog, which has reduced visibility down to 1/8 of a mile at times today, has
continued with few breaks since this morning, with an additional 0.05 inches
of drizzle falling between 7:00 and 10:00 AM EST. Drizzle transitioned to
light rain by the 1:00 PM EST observation, adding another 0.09 inches of
precipitation so far for today. Temperatures so far today have only increased
to a maximum of 48F and a minimum of 45F, which was the temperature at the
1:00 PM observation. The average high temperature for today is 70F.
Today’s Observations:
7 A.M.
Weather: Light drizzle and fog
Temperature: 48F; Dew Point: 47F; Wind: ENE at 11 kts
Sea-level pressure: 29.98 ins. Hg, rising unsteadily
Visibility: 1/8 of a mile, 1/2 mile S-SSW, obscured by fog
6-hr max temp: 48F
6-hr min temp: 47F
24-hr precip: 0.48 in.
BHO SA 1155 W3 X 1/8L-F 151/48/47/0611/998/ VSBY S-SSW 1/2 MI/
8//// 52019 ASOS 60011 70049 MANUAL 70048 10048 20047
10 A.M.
Weather: Light drizzle and fog
Temperature: 47F; Dew Point: 46F; Wind: NE at 16G24 kts
Sea-level pressure: 30.03 ins. Hg, rising then more slowly
Visibility: 1 mile, 1/4 of a mile NNW-NNE, obscured by fog
3-hr precip: 0.05 inches
BHO SA 1455 W4 X 1L-F 171/47/46/0516G24/003/ VSBY NNW-NNE 1/4 MI/
8//// 51020 ASOS 60005 MANUAL 60005
1 P.M.
Weather: Light rain and fog
Temperature: 45F; Dew Point: 45F; Wind: NE at 17G26 kts,
Sea-level pressure: 30.09 ins. Hg, rising then more quickly
Visibility: 3/4 of a mile, 1/4 of a mile NNW-NNE obscured by
fog and rain
6-hr max temp: 48F
6-hr min temp: 45F
6-hr precip: 0.14
BHO SA 1755 W4 X 3/4R-F 188/45/45/0417G26/009/ VSBY NNW-NNE 1/4 MI
PK WND 0428/34/ 8//// 53017 ASOS 60013 MANUAL 60014 10048 20045
WEATHER SUMMARY FOR TUESDAY, MAY 27, 2014
TEMPERATURE (DEGREES F)
MAX…..74 NORMAL…..69
MIN…..47 NORMAL…..51
MEAN….61 NORMAL…..60
DEPARTURE FROM 30-YEAR NORMAL……………………..+1
TOTAL DEPARTURE FOR THE MONTH…………………….+71 [+2.4 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………4 DEPARTURE……….-2
TOTAL HEATING UNITS FOR THE MONTH………….170 DEPARTURE………-76
TOTAL HEATING UNITS FOR THE SEASON………..6341 DEPARTURE………+60
TOTAL HEATING UNITS LAST SEASON TO DATE……5733 DIFFERENCE…….+608
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..0 DEPARTURE……….-1
TOTAL COOLING UNITS FOR THE MONTH………….13 DEPARTURE……….-5
TOTAL COOLING UNITS FOR THE SEASON…………13 DEPARTURE……….-7
TOTAL COOLING UNITS LAST SEASON TO DATE……..6 DIFFERENCE………+7
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………25 NE AT 11:08 P.M.*
ASOS…………………..27 ENE AT 11:08 P.M.
DAVIS………………….25 NE AT 8:04 P.M. RMY 31
FASTEST MILE FOR YESTERDAY………………..18 NE AT 8:23 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..20 ENE AT 8:23 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….18 ENE AT 1:23 P.M.
AVERAGE WIND SPEED AND DIRECTION………….12.0 ENE
ASOS………………….11.7
DAVIS…………………10.8 NE [42 deg]
* Last of several occurrences…
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.48 DEPARTURE………….+0.33
ASOS…………..0.49
TOTAL PRECIPITATION FOR THE MONTH……….2.94 DEPARTURE………….-0.57
ASOS…………..2.95
TOTAL PRECIPITATION FOR THE YEAR……….22.06 DEPARTURE………….+0.00
ASOS………….22.45
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……………0.0
TOTAL SNOWFALL FOR THE SEASON…………..85.6 DEPARTURE………….+22.9
PRELIMINARY CLIMATE SUMMARY FOR MAY 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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
5/1 64/43/54/+1/0.49/0.0/093/11 32 SSE RMY 36
5/2 68/51/60/+7/T/0.0/457/54 28 W RMY 29
5/3 66/48/57/+4/0.00/0.0/332/39 21 SW RMY N/A
5/4 60/47/54/0/0.01/0.0/400/47 51 WNW RMY 54
5/5 64/46/55/+1/T/0.0/592/70 30 NW RMY 32
5/6 63/42/53/-1/T/0.0/506/59 30 NW RMY 30
5/7 64/42/55/0/0.00/0.0/850/99 21 WNW RMY 23
5/8 69/48/59/+4/0.00/0.0/612/71 17 SSW RMY 19
5/9 57/51/54/-1/0.05/0.0/000/00 21 S RMY N/A
5/10 78/57/68/+13/0.10/0.0/043/05 33 S RMY 37
5/11 79/58/69/+13/0.01/0.0/746/86 30 W RMY N/A
5/12 85/49/67/+11/0.00/0.0/792/91 39 NE RMY 42
5/13 54/42/48/-8/0.00/0.0/113/13 32 NE RMY N/A
5/14 73/42/58/+1/T/ 0.0/613/70 22 S RMY 24
5/15 77/57/67/+10/T/0.0/140/16 27 S RMY 33
5/16 73/60/67/+10/0.26/0.0/026/03 36 S RMY 41
5/17 74/52/63/+6/1.04/0.0/555/63 36 SSE RMY N/A
5/18 67/47/57/-1/0.00/0.0/521/59 20 NW RMY N/A
5/19 65/48/56/-2/0.12/0.0/443/50 35 NNW RMY 38
5/20 71/48/60/+2/T/0.0/771/89 25 NNW RMY 26
5/21 71/51/61/+2/0.00/0.0/…/.. 18 ESE RMY 20
5/22 67/51/59/0/0.26/0.0/…/.. 15 SSE RMY 18
5/23 60/49/55/-4/0.05/0.0/…/.. 16 NE RMY 18
5/24 65/49/57/-2/0.02/0.0/…/.. 17 ENE RMY 18
5/25 71/49/60/0/0.00/0.0/…/.. 20 S RMY N/A
5/26 76/52/64/+4/0.05/0.0/…/.. 30 W RMY 34
5/27 74/47/61/+1/…./0.0/…/.. 25 NE RMY 31
5/28 morning low temp: 47F; the normal low is now 51F
DAILY RECORDS FOR MAY 2014
None so far.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR MAY 28
HIGH 90F IN 1929
LOW 39F IN 1917
PRECIP 2.48 INS 1906
PEAK GUST 51e MPH NE IN 1946
RECORDS FOR MAY 29
HIGH 93F IN 1919
LOW 35F IN 1902
PRECIP 1.63 INS 1990
PEAK GUST 55e MPH NNW IN 1943, WNW IN 1945
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
