Friday, May 16, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, MAY 16, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
WARM AND HUMID CONDITIONS CONTINUE
GUSTY SSE TO S WINDS GUSTING NEAR 40 MPH
SOME LIGHT DRIZZLE BEGAN EARLY AFTERNOON
The warm and humid weather continues for a
second day today and without any rain, which
we need (only 0.17 inch has fallen since May 1).
A brief light shower produced only a trace
late yesterday during the evening hours.
Winds have become quite gusty today from the
SSE to S with peak gusts 35 to 40 mph.
Some light drizzle began early this afternoon
amounting to only a trace thru 2 P.M. EDT.
Today’s Observations:
7 A.M.
Weather: Overcast stratus, breaks in overcast NE-E,
bright spots in overcast
Temperature: 65F; Dew Point: 60F; Wind: SSE at 13 kts,
Wind: Variability SE-S
Wind: Gust to 21 kts past hour
Sea-level pressure: 30.13 ins. Hg, falling slightly
Visibility: 12 miles, except 20 miles NE-E, thin fog
in all quadrants
6-hr max temp: 65F
6-hr min temp: 60F
24-hr precip: trace
BHO SA 1155 E12 OVC 12 204/65/60/1613/013/ BINOVC DSNT NE-E
BRGHT SPTS IOVC VSBY NE-E 20 THN F ALQDS GST 21 KTS PST HR
WND 13V18/ 8/6// 57007 MANUAL 70000 10065 20060
10 A.M.
Weather: Broken stratocumulus, overcast stratocumulus,
occasional small break in overcast, bright spots in the
overcast
Temperature: 69F; Dew Point: 60F; Wind: SSE at 15G22 kts
Wind: Directional variability SE-S
Wind: Peak wind from SSE at 26 kts at 9:09 A.M.
Sea-level pressure: 30.11 ins. Hg, falling slightly
Visibility: 20 miles hazy
BHO SA 1455 E22 BKN 35 OVC 20 196/69/60/1615G22/011/
OCNL SML BINOVC HAZY PK WND 1626/09/ WND 13V19/
8/5// 56008
1 P.M.
Weather: Broken stratocumulus, overcast nimbostratus,
bright spots in overcast, light drizzle (very light)
Temperature: 66F; Dew Point: 61F; Wind: SSE at 17G27 kts
Wind Direction: Variable SE-S
Wind: Peak wind from S at 31 kts at 12:01 P.M.
Sea-level pressure: 30.08 ins. Hg, falling then more slowly
Visibility: 4 miles light drizzle (very light) o
6-hr max temp: 73F
6-hr min temp: 65F
6-hr precip: trace
BHO SA 1755 E25 BKN 30 OVC 4L- 186/66/61/1617G27/008/
PK WND 1731/01 WND 13V19 LBUKN VRY LGT/ 8/52/ 56010
MANUAL 6000/ 10073 20065
WEATHER SUMMARY FOR THURSDAY, MAY 15, 2014
TEMPERATURE (DEGREES F)
MAX…..77 NORMAL…..66
MIN…..57 NORMAL…..48
MEAN….67 NORMAL…..57
DEPARTURE FROM 30-YEAR NORMAL…………………….+10
TOTAL DEPARTURE FOR THE MONTH…………………….+55 [+3.5 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY………….. 0 DEPARTURE……….-9
TOTAL HEATING UNITS FOR THE MONTH………….108 DEPARTURE………-52
TOTAL HEATING UNITS FOR THE SEASON………..6279 DEPARTURE………+84
TOTAL HEATING UNITS LAST SEASON TO DATE……5658 DIFFERENCE…….+621
COOLING DEGREE DAYS (SEASON JUN-OCT)
TOTAL COOLING UNITS FOR YESTERDAY…………..2 DEPARTURE…….. .+1
TOTAL COOLING UNITS FOR THE MONTH………….11 DEPARTURE……….+9
TOTAL COOLING UNITS FOR THE SEASON…………11 DEPARTURE……….+6
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………27 S AT 2:58 P.M. *
ASOS…………………..33 S AT 2:05 P.M.
DAVIS………………….30 S AT 2:04 P.M. RMY 33
FASTEST MILE FOR YESTERDAY………………..22 SSE AT 2:46 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..24 S AT 2:47 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….22 S AT 2:47 P.M.
AVERAGE WIND SPEED AND DIRECTION………….13.8 S
ASOS………………….13.7
DAVIS…………………12.5 S [180 deg]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…trace DEPARTURE………….-0.12
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….0.66 DEPARTURE………….-1.05
ASOS…………..0.65
TOTAL PRECIPITATION FOR THE YEAR……….19.78 DEPARTURE………….-0.48
ASOS………….20.18
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 34
5/12 85/49/67/+11/0.00/0.0/…/.. 39 NE RMY 42
5/13 54/42/48/-8/0.00/…/…/.. 32 NE RMY N/A
5/14 73/42/58/+1/T/…/…/.. 22 S RMY 24
5/15 77/57/67/+10/T/…./../…/.. 27 S RMY 33
5/16 morning low temp: 60F; the normal low is now 48F
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 16
HIGH 90F IN 1951
LOW 30F IN 1936
PRECIP 2.63 INCHES IN 1954
PEAK GUST 56e MPH NW IN 1952
RECORDS FOR MAY 17
HIGH 88F IN 1974, 1977
LOW 34F IN 1956, 1957
PRECIP 2.07 INS IN 1916
PEAK GUST 52 MPH SW IN 1967, W IN 1974
TODAY’S REPORT PREPARED BY: Robert Skilling
