Wednesday, November 5, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, NOVEMBER 5, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
PARTLY SUNNY AND MILD FOR ELECTION DAY YESTERDAY
TEMPERATURES RISE TO LOWER 60’S AFTER COLD START TO NOVEMBER
Very pleasant weather was ours for Election Day as the sunshine
alternated with periods of clouds and the temperature reached the low
60’s with dry air. The air mass moistened up quite rapidly during
the overnight with dew points rising from the 30’s to the 40’s
by this morning. Very little sunshine could filter through a couple
of dense middle and high cloud layers.
OCTOBER MONTHLY SUMMARY (FINAL DAY OF POSTING HERE)
The October precipitation total of 9.96 inches ties for the
fourth highest on record with October 2011.
BHO Greatest October Precipitation, inches (1885-2014)
1) 14.72 in 2005
2) 11.76 in 1996
3) 10.84 in 1962
4) 9.96 in 2011
9.96 in 2014
6) 8.89 in 1932
7) 8.12 in 1955
OCTOBER 2014 PRELIMINARY STATS
[Departures are relative to the 1981-2010 normal]
TEMPERATURE [deg. F]
Av. Max. 62.3 [+2.0]
Av. Min. 47.2 [+4.3]
Mean 54.8 [+3.2]
24-hour corr. mean: 54.4
Max. temp. for month: 79 on 15th
Min, temp. for month: 33 on 20th
Total heating degree day units: 321 [-100]
Total seasonal heating units: 422 [-141]
Total cooling degree day units: 8 [+3]
Total seasonal cooling units: 595 [-7]
PRECIPITATION [ins.]
Total: 9.96 [+5.27] Greatest one calendar day: 3.66 [on the 23rd] Greatest in 24 hours 5.15 inches [19E-19E 22nd-23rd]
WIND
Av. wind speed: 12.9 MPH
Av. corr. wind speed: 13.1 MPH
Prevailing direction: W @ 15%
SUNSHINE
Total astronomical minutes: 8988/20548 or 44% of possible
Total Campbell Stokes card minutes: 8664/19824 or 44% of possible
Today’s Observations:
7 A.M.
Weather: Scattered altocumulus and altocumulus castellanus and floccus,
broken altostratus and altocumulus, overcast dense cirrostratus
Temperature: 54F; Dew Point: 44F; Wind: SW at 11 kts
Sea-level pressure: 30.02 ins. Hg, rising then more rapidly
Visibility: 20 miles, hazy
6-hr max temp: 55F
6-hr min temp: 52F
24-hr precip: 0.00 inches
BHO SA 1155 110 SCT E150 BKN 200 OVC 20 168/54/44/2211/002/
FEW ACC ALQDS BRGHT SPTS IN HIER OVC HAZY/ 8/087 53015 10055 20052
10 A.M.
Weather: Scattered altocumulus castellanus, altocumulus opaqus,
broken altocumulus, altostratus, overcast cirrostratus,
bright spots in overcast SE-SW
Temperature: 58F; Dew Point: 45F; Wind: SSW at 12 kts
Sea-level pressure: 30.01 ins. Hg, falling slightly
Visibility: 25 miles, hazy
BHO SA 1455 110 SCT E160 BKN 200 OVC 25 161/58/45/2112/001/
ACC/FEW ACSL VC BRGHT SPTS IOVC SE-SW HAZY/ 8/087 58007
1 P.M.
Weather: Scattered altocumulus (layer ENE-SSW) broken mostly dense
cirrostratus, thin spots in overcast overhead
Temperature: 65F; Dew Point: 40F; Wind: at 9 kts,
Wind: Gust to 20 kts past hour
Sea-level pressure: 30.00 ins. Hg, falling very slightly
Visibility: 30 miles, hazy, WNW 45 miles, NE 25 miles 5
6-hr max temp: 66F
6-hr min temp: 54F
6-hr precip: 0.00
BHO SA 1755 150 SCT E200 BKN 220 OVC 30 160/65/40/2609/000
AC LYR ENE-SSW OVC PTLY THN OVHD VSBY WNW 45 LGT HZ
VSBY NE 25 HAZY GST 20 KTS PST HR/ 8/037 58001 10066 20054
WEATHER SUMMARY FOR TUESDAY, NOVEMBER 4, 2014, ELECTION DAY
TEMPERATURE (DEGREES F)
MAX…..61 NORMAL…..54
MIN…..44 NORMAL…..37
MEAN….53 NORMAL…..45
DEPARTURE FROM 30-YEAR NORMAL…………………….+8
TOTAL DEPARTURE FOR THE MONTH……………………-14 [-3.7 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..12 DEPARTURE………..-8
TOTAL HEATING UNITS FOR THE MONTH…………..91 DEPARTURE……….+15
TOTAL HEATING UNITS FOR THE SEASON…………513 DEPARTURE………-127
TOTAL HEATING UNITS LAST SEASON TO DATE…….543 DIFFERENCE………-30
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………28 SSW AT 11:00 P.M.
ASOS…………………..32 SSW AT 11:01 P.M.
DAVIS………………….31 SW AT 11:02 P.M. RMY 32
FASTEST MILE FOR YESTERDAY………………..22 SSW AT 11:58 P.M. *
MAXIMUM 2-MINUTE ASOS AVERAGE……………..23 SSW AT 11:58 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….23 SSW AT 11:06 P.M.
AVERAGE WIND SPEED AND DIRECTION…………12.1 W
ASOS…………………12.7
DAVIS………………..10.9 SW (220 degrees)
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE……..-0.16
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….1.08 DEPARTURE……..+0.45
ASOS…………..1.12
TOTAL PRECIPITATION FOR THE YEAR……….42.63 DEPARTURE……..-1.77
ASOS………….42.99
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER & NOVEMBER 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/+8/0.01/261/38 * 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/-3/0.00/674/100 * 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/+19/0.02/459/69 # 32 SSW RMY 36
10/16 70/60/65/+14/0.60/000/00 37 S RMY 41
10/17 71/57/64/+13/0.00/528/80 28 SW RMY 30
10/18 71/52/62/+11/0.24/210/32 28 WNW RMY 30 TSTM
10/19 55/39/47/-3/0.00/020/03 28 NW RMY 29
10/20 56/33/45/-5/0.00/515/79 23 SW RMY 25
10/21 61/49/55/+5/0.16/045/07 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/+3/0.00/568/89 21 WSW RMY N/A
10/26 57/43/50/+2/T/337/53 37 W RMY 39
10/27 61/42/52/+4/0.00/633/100 26 WNW RMY 31
10/28 70/46/58/+10/0.00/403/64 23 S RMY 24
10/29 73/47/60/+13/0.10/195/31 25 NNW RMY 27
10/30 59/41/50/+3/0.00/419/67 18 NW RMY 20
10/31 53/42/48/+1/0.00/193/31 23 NNE RMY N/A
11/1 45/36/41/-5/…./000/00 35 NNE RMY N/A
11/2 37/32/35/-11/…./1.8/000/00 ** 46 NW RMY 49
11/3 50/30/45/-6/0.00/…/.. 39 WNW RMY 43
11/4 61/44/53/+8/0.00/…/..
11/5 morning low temp: 53F since midnight; normal low now 37F
**FOR NOVEMBER: 1.8 SNOWFALL 11/2
* Sunshine corrected from 281 to 261 on the 7th and from
681 to 674 on the 12th
# Temperature departure corrected from +18 to +19 on the 15th
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 RECORDS FOR NOVEMBER 2014:
11/2 – A NEW RECORD DAILY SNOWFALL 1.8 INCHES;
surpasses the previous record of 0.2 ins. in 1906, 1951
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR NOVEMBER 5
HIGH 76 IN 1994
LOW 18 IN 1908
PRECIP 4.26 INCHES IN 1955
SNOWFALL 1.5 IN 1892
PEAK GUST 69 W IN 2004
RECORDS FOR NOVEMBER 6
HIGH 71 IN 1959
LOW 22 IN 1951
PRECIP 1.72 INCHES IN 1907
SNOWFALL 8.0 IN 1894
PEAK GUST 63 W IN 1973
TODAY’S REPORT PREPARED BY: Robert Skilling
