Saturday, October 18, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, OCTOBER 18, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
DENSE FOG ONCE AGAIN EARLY THIS MORNING TURNS TO PARTIAL
SUNSHINE LATER THIS MORNING…LOW CLOUDS RETURN THIS
AFTERNOON AS SHOWERS APPROACH FROM TO THE WEST…
The temperature was unseasonably warm again today near
70F with moderate humidity and dew points in the middle
50s. A strong S-SSW breeze is picking up again today
with a peak gust to 29 mph occurring several times since
mid-morning. A strong cold front approaching from the
west will bring the chance of showers later today and
a return to colder temperatures tomorrow and next week.
Today’s Observations:
7 A.M.
Weather: Sky obscured with dense fog
Temperature: 58F; Dew Point: 58F; Wind: SSW at 11 kts
Sea-level pressure: 29.63 ins. Hg, falling then rising
Visibility: 1/16 mile
6-hr max temp: 58F
6-hr min temp: 56F
24-hr precip: 0.00 inch
BHO SA 1155 W1 X 1/16F 033/58/58/2011/963/ 8//// 55004 10058
20056
10 A.M.
Weather: Scattered stratocumulus, few moderate cumuloform tops,
thin broken altocumulus
Temperature: 67F; Dew Point: 56F; Wind: S at 16G22 kts,
Sea-level pressure: 29.59 ins. Hg, falling
Visibility: 30 miles, hazy
BHO SA 1455 20 SCT 75 -BKN 30 020/67/56/1816G22/959/ SC FEW
MDT CUFRM TOPS ESE-S HAZY/ 8/530 58013
1 P.M.
Weather: Scattered stratocumulus (2 levels), broken
altocumulus, rain showers distant WSW and WNW, light rain
shower past hour
Temperature: 68F; Dew Point: 57F; Wind: S at 13G21 kts,
Sea-level pressure: 29.53 ins. Hg, falling
Visibility: 35 miles, except 45 miles WNW
6-hr max temp: 71F
6-hr min temp: 58F
6-hour precip: Trace
BHO SA 1755 30 SCT 65 SCT 120 BKN 35 001/68/57/1913G21/953/
RW DSNT WSW AND WNW HAZY/ 8/570 56019 10071 20058
WEATHER SUMMARY FOR FRIDAY, OCTOBER 17, 2014
TEMPERATURE (DEGREES F)
MAX…..71 NORMAL…..60
MIN…..57 NORMAL…..42
MEAN….64 NORMAL…..51
DEPARTURE FROM 30-YEAR NORMAL……………………+13
TOTAL DEPARTURE FOR THE MONTH……………………+55 [+3.0 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………1 DEPARTURE……….-13
TOTAL HEATING UNITS FOR THE MONTH………….139 DEPARTURE……….-53
TOTAL HEATING UNITS FOR THE SEASON…………240 DEPARTURE……….-94
TOTAL HEATING UNITS LAST SEASON TO DATE…….253 DIFFERENCE………-13
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………28 SW AT 1:34 P.M.
ASOS…………………..30 SW AT 1:34 P.M.
DAVIS………………….28 SSW AT 1:35 P.M. RMY 30
FASTEST MILE FOR YESTERDAY………………..23 SW AT 1:33 P.M. *
MAXIMUM 2-MINUTE ASOS AVERAGE……………..23 SW AT 1:35 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….21 SW AT 1:29 P.M.
AVERAGE WIND SPEED AND DIRECTION…………13.3 SW
ASOS…………………13.1
DAVIS………………..11.7 SW (215 degrees)
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE……..-0.15
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….3.26 DEPARTURE……..+0.74
ASOS…………..3.24
TOTAL PRECIPITATION FOR THE YEAR……….34.85 DEPARTURE……..-6.75
ASOS………….35.04
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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
10/1 56/55/56/-1/1.63/000/00 33 NE RMY 36
10/2 55/47/51/-6/0.29/000/00 30 NE RMY N/A
10/3 54/46/50/-6/0.05/000/00 20 NE RMY 20
10/4 63/52/58/+2/0.30/000/00 30 SE RMY 32
10/5 60/45/53/-3/0.00/658/95 26 W RMY 28
10/6 66/42/54/-1/0.00/669/97 25 SSE RMY N/A
10/7 72/54/63/+8/0.01/281/38 43 S RMY 49
10/8 72/53/63/+9/0.01/562/82 40 S RMY N/A
10/9 64/48/56/+2/0.00/648/95 35 W RMY 39
10/10 63/43/53/-1/0.00/489/72 23 W RMY N/A
10/11 50/43/47/-6/0.35/…/.. 15 N RMY N/A
10/12 60/40/50/-3/0.00/…/.. 20 NW RMY N/A
10/13 61/45/53/+0/0.00/…/.. 23 S RMY 25
10/14 75/58/67/+15/0.00/…/.. 29 S RMY 31
10/15 79/62/71/+18/0.02/…/.. 32 SSW RMY 36
10/16 70/60/65/+14/0.60/000/00 37 S RMY 41
10/17 71/57/64/+13/0.00/…/.. 28 SW RMY 30
10/18 morning low temp: 56F since midnight; normal low now 42F
DAILY RECORDS FOR OCTOBER 2014:
10/1 – A NEW RECORD DAILY PRECIPITATION OF 1.63 INCHES;
surpasses the previous record of 1.44 ins. in 1984
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR OCTOBER 18
HIGH 82F IN 1908
LOW 26F IN 1939
PRECIP 2.79 INCHES IN 1975
SNOWFALL 3.0 INCHES IN 2009
PEAK GUST 66 MPH S IN 1967
RECORDS FOR OCTOBER 19
HIGH 81F IN 1945
LOW 21F IN 1922
PRECIP 3.64 INCHES IN 1932
SNOWFALL 1.0 INCHES IN 1972
PEAK GUST 66 MPH SSW IN 1967
TODAY’S REPORT PREPARED BY: Mike Iacono
