Saturday, October 11, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, OCTOBER 11, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
OVERCAST VERY COOL AND WET TODAY
RAIN BECAME MODERATE FOR A TIME LATE MORNING
TEMPERATURES STUCK IN THE 40’S
Light rain before dawn this morning and became moderate
rain for a short time by late this morning before going
back to light rain.
The high temperature of 50 degrees occurred during the
early hours but readings dropped to the very chilly middle
40’s as the rain increased in intensity late this morning.
Today’s Observations:
7 A.M.
Weather: Overcast nimbostratus, light rain occurring, precipitation
mostly very light, bright sky along horizon distant NNW-NNE
Temperature: 49F; Dew Point: 41F; Wind: ENE at 8 kts
Sea-level pressure: 30.12 ins. Hg, rising then falling slightly
Visibility: 30 miles, except 20 miles and lowering to the
east thru southwest and 40 miles to the NNW-NE
6-hr max temp: 50F
6-hr min temp: 47F
6-hr precip: trace
24-hr precip: trace
BHO SA 1155 E90 OVC 30R- 200/49/41/0608/012/ BRGT SKY ALG HRZN
DSNT NNW-NNE VSBY E-SW 20 AND LWRG NNW-NE 40 PCPN VRY LGT/ 8/02/
50003 MANUAL 6000/ MANUAL 70000 10050 20047
10 A.M.
Weather: Scattered stratus fractus, overcast nimbostratus,
fractus drifting below and occasionally summit, light rain and fog
Temperature: 46F; Dew Point: 46F; Wind: N at 8 kts,
Wind: Direction gradually backing
Sea-level pressure: 30.13 ins. Hg, rising slightly
Visibility: 1 1/2 miles, variable to 1 to 3 miles, light rain and fog
3-hourly precip: 0.09 inch
BHO SA 1455 2 SCT E70 OVC 1/1/2VR-F 204/46/46/3508/013/
STFRA DRFTG BLO AND OCNL OVR SMT ALQDS VSBY 1V2 CDNS LWRG
WND GRDLY BACKING/ 8/82/ 53004 ASOS 60008 MANUAL 6009/
1 P.M.
Weather: Obscurement with fog, light rain occurring
Temperature: 46F; Dew Point: 46F; Wind: NNE at 6 kts,
Sea-level pressure: 30.08 ins. Hg, falling, then more quickly
Visibility: 1/2 mile, light rain and fog, variable 1/4 variable
to 3/4; NW-N 1/4 SE-S 2
6-hr max temp: 49F
6-hr min temp: 45F
6-hr precip: 0.34 in.
BHO SA 1755 W3 X 1/2VR-F 187/46/46/0306/008/ STFRA DRFTG OVR
AND BLO SMT VSBY 1/4V3/4 NW-N 1/4 SE-S 2/ 8//// 58017
ASOS 60034 MANUAL 6034/ 10049 20045
WEATHER SUMMARY FOR FRIDAY, OCTOBER 10, 2014
TEMPERATURE (DEGREES F)
MAX…..63 NORMAL…..62
MIN…..43 NORMAL…..45
MEAN….53 NORMAL…..54
DEPARTURE FROM 30-YEAR NORMAL…………………….-1
TOTAL DEPARTURE FOR THE MONTH…………………….+3 [+0.1 DEGREE/DAY] *
* correction to 10/10 report should be +4 and [+0.2 degree/day]
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY……………0 DEPARTURE…………0
TOTAL COOLING UNITS FOR THE MONTH……………0 DEPARTURE………..-4
TOTAL COOLING UNITS FOR THE SEASON…………587 DEPARTURE……….-14
TOTAL COOLING UNITS LAST SEASON TO DATE…….701 DIFFERENCE……..-114
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..12 DEPARTURE…………0
TOTAL HEATING UNITS FOR THE MONTH…………..93 DEPARTURE………..-7
TOTAL HEATING UNITS FOR THE SEASON…………194 DEPARTURE……….-49
TOTAL HEATING UNITS LAST SEASON TO DATE…….192 DIFFERENCE……….+2
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………23 W AT 12:33 A.M. *
ASOS…………………..25 WNW AT 12:31 A.M.
DAVIS………………….23 W AT 12:34 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..19 W AT 1:58 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..18 W AT 1:57 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….16 W AT 12:22 A.M.
AVERAGE WIND SPEED AND DIRECTION………….10.2 W
ASOS………………….10.0
DAVIS………………….8.9 W (280 degrees)
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….trace DEPARTURE……..-0.15
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….2.29 DEPARTURE……..+0.81
ASOS…………..2.29
TOTAL PRECIPITATION FOR THE YEAR……….33.88 DEPARTURE……..-6.68
ASOS………….34.09
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/…/.. 26 W RMY 28
10/6 66/42/54/-1/0.00/…/.. 25 SSE RMY N/A
10/7 72/54/63/+8/0.01/…/.. 43 S RMY 49
10/8 72/53/63/+9/0.01/…/.. 40 S RMY N/A
10/9 64/48/56/+2/0.00/…/.. 35 W RMY 39
10/10 63/43/53/-1/0.00/…/.. 23 W N/A
10/11 morning low temp: 47F since midnight; normal low now 45F
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 11
HIGH 80F IN 1919,1949
LOW 28F IN 1993
PRECIP 0.96 INCHES IN 1903
SNOWFALL (NONE)
PEAK GUST 66e MPH WNW IN 1941
RECORDS FOR OCTOBER 12
HIGH 87F IN 1954
LOW 31F IN 1906
PRECIP 1.53 INCHES IN 1948
SNOWFALL TRACE IN 1941
PEAK GUST 55 MPH NW IN 1963
TODAY’S REPORT PREPARED BY: Robert Skilling
