Sunday, October 26, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, OCTOBER 26, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
CLEAR MORNING SKIES GIVE WAY TO CLOUDS,
GUSTY WEST WINDS — NEW PRECIP RECORDS
NOW OFFICIAL
Clear skies at the 7:00 AM EST observation gave way
to invading stratocumulus, altocumulus and cirrostratus
by mid morning with fairly clear visibility of 70 miles
in most directions. A couple brief and light showers
totaling a trace of new precipitation fell between
11 and 12 noon PM EST this morning.
After careful analysis of our instrumentation, Blue Hill
Observatory has officially broken two back-to-back daily
precipitation records for October 22nd and 23rd of this
year. The details:
RECORDS FOR OCTOBER 22
PREVIOUS RECORD 1.37 INCHES IN 1898
NEW RECORD 2.38 INCHES IN 2014
RECORDS FOR OCTOBER 23
PREVIOUS RECORD 2.18 INCHES IN 1956
NEW RECORD 3.66 INCHES IN 2014
Today’s Observations:
7 A.M.
Weather: Few cumulus distant WNW-N, few altocumulus
distant NE-SE, scattered cirrus growing dense
Temperature: 49F; Dew Point: 40F; Wind: W at 15 kts,
Sea-level pressure: 29.48 ins. Hg, rising slightly
Visibility: 70 miles, WSW-NNE 50 miles, light distant haze
6-hr max temp: 53F
6-hr min temp: 48F
24-hr precip: 0.00
BHO SA 1155 200 SCT 70 983/49/40/2715/948/
VSBY WSW-NNE 50 MI FEW CU DSNT WNW-N FEW AC DSNT NE-SE
LGT DSNT HZ WSW-NNE/ 8/164 53003 10053 20048
10 A.M.
Weather: Scattered stratocumulus, scattered altocumulus,
altocumulus lenticularis in all directions, broken
cirrostratus
Temperature: 55F; Dew Point: 39F; Wind: W at 17G24 kts,
Peak Gust: 27 kts WNW @ 09:33 AM EST
Sea-level pressure: 29.50 ins. Hg, rising, then more quickly
Visibility: 70 miles, light distant haze
BHO SA 1455 29 SCT 140 SCT 200 BKN 70 990/55/39/2717G24/950/
ACSL ALQDS LGT DSNT HZ ALQDS PK WND 2927/33/ 8/446 53007
1 P.M.
Weather: Scattered stratocumulus, scattered altocumulus
lenticularis, broken altostratus, showers distant WNW
Temperature: 55F; Dew Point: 38F; Wind: WNW at 17G25 kts,
Peak Gust: 28 kts W @ 11:59 AM EST
Sea-level pressure: 29.49 ins. Hg, rising, then falling and lower
Visibility: 80 miles
6-hr max temp: 56F
6-hr min temp: 48F
6-hr precip: Trace
BHO SA 1755 37 SCT 55 SCT E100 BKN 80 986/55/38/2917G25/949/
SHWRS DSNT WNW ACSL DSNT SW-NW PK WND 2828/1659/
8/440 58004 MANUAL 6000/ 10056 20048
WEATHER SUMMARY FOR SATURDAY, OCTOBER 25, 2014
TEMPERATURE (DEGREES F)
MAX…..63 NORMAL…..57
MIN…..41 NORMAL…..40
MEAN….52 NORMAL…..49
DEPARTURE FROM 30-YEAR NORMAL…………………….+3
TOTAL DEPARTURE FOR THE MONTH……………………+68 [+2.5 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..13 DEPARTURE………..+1
TOTAL HEATING UNITS FOR THE MONTH………….249 DEPARTURE……….-67
TOTAL HEATING UNITS FOR THE SEASON…………350 DEPARTURE………-108
TOTAL HEATING UNITS LAST SEASON TO DATE…….362 DIFFERENCE………-12
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………21 WSW AT 11:47 P.M.
ASOS…………………..23 W AT 11:48 P.M.
DAVIS………………….21 W AT 5:25 P.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..17 SSW AT 9:27 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..17 SSW AT 9:48 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….17 SSW AT 9:30 P.M.
AVERAGE WIND SPEED AND DIRECTION………….11.3 W
ASOS………………….11.9
DAVIS………………….9.9 W (261 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……….9.86 DEPARTURE……..+6.11
ASOS…………..9.99
TOTAL PRECIPITATION FOR THE YEAR……….41.45 DEPARTURE……..-1.38
ASOS………….41.79
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/-6/0.35/000/00 15 N RMY N/A
10/12 60/40/50/-3/0.00/681/100 20 NW RMY N/A
10/13 61/45/53/+0/0.00/054/08 23 S RMY 25
10/14 75/58/67/+15/0.00/448/67 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 71/52/62/+11/0.24/…/.. 28 WNW RMY 30 TSTM
10/19 55/39/47/-3/0.00/…/.. 28 NW RMY 29
10/20 56/33/45/-5/0.00/…/.. 23 SW RMY 25
10/21 61/49/55/+5/0.16/…/.. 17 NNE RMY N/A
10/22 54/48/51/+2/2.38/000/00 58 NE RMY 58 TSTM
10/23 53/47/50/+1/3.66/000/00 43 N RMY N/A
10/24 52/43/48/-1/0.16/000/00 25 NNW RMY N/A
10/25 63/41/52/+3/0.00/…/.. 21 WSW RMY N/A
10/26 morning low temp: 48F since midnight; normal low now 39F
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
10/22 – A NEW RECORD DAILY PRECIPITATION OF 2.38 INCHES;
surpasses the previous record of 1.37 ins. in 1898
10/23 – A NEW RECORD DAILY PRECIPITATION OF 3.66 INCHES;
surpasses the previous record of 2.18 ins. in 1956
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR OCTOBER 26
HIGH 80F IN 1963
LOW 24F IN 1933
PRECIP 1.72 INCHES IN 1894
SNOW 3.0 INCHES IN 1962
WIND 59 MPH SSE IN 1967
RECORDS FOR OCTOBER 27
HIGH 83F IN 1963
LOW 21F IN 1936
PRECIP 1.79 INCHES IN 1886
SNOW 2.5 INCHES IN 2011
WIND 54 MPH WNW IN 1968
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
