Tuesday, October 22, 2013

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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, OCTOBER 22, 2013
ALL TIMES ARE IN EASTERN STANDARD TIME

PARTY SUNNY, MILD AND DRY WEATHER CONTINUES

The temperature is running above average again today, with a
warm morning low of 49F; normal being 41F. Also, early this afternoon
our temperatures were in the upper 60’s or more than 5 degrees
warmer than normal. So today will mark 26 consecutive days since
September 26 without a single day averaging below the daily average.
We will be checking soon to see the last time during which we had
such a long above normal temperature trend.

The precipitation total for the month of 0.98 inch is OVER
2 inches drier than normal this late into October.

Today’s Observations:

7 A.M.
Weather: Scattered stratocumulus/cumulus, stratocumulus lenticularis
E-S-W, scattered altocumulus, scattered cirrus
Temperature: 52F; Dew Point: 48F; Wind: S at 10 kts
Sea-level pressure: 29.89 ins. Hg, falling steadily
Visibility: 35 miles, light distant fog, haze
6-hr min temp: 49F
BHO SA 1155 60 SCT 130 SCT 200 SCT 35 123/52/48/1810/989/
FEW CU ESE-SE SCSL E-S-W AC ALQDS CI N-E LGT DSNT F/LGT HZ ALQDS/
8/831 58016 100XX 20049

10 A.M.
Weather: Scattered stratocumulus/cumulus, few moderate tops,
scattered altocumulus
Temperature: 62F; Dew Point: 50F; Wind: SSW at 12 kts,
Sea-level pressure: 29.83 ins. Hg, falling then more rapidly
Visibility: 40 miles, distant haze
BHO SA 1455 22 SCT 150 SCT 40 103/62/50/2012/983/ SC/CU FEW MDT TOPS
DSNT HZ/ 8/830 58020

1 P.M.
Weather: Scattered cumulus/moderate cumulus, scattered altocumulus,
and dark W-NW (2 layers)
Temperature: 68F; Dew Point: 45F; Wind: S at 12 kts,
Wind: Direction variable S-WSW
Sea-level pressure: 29.76 ins. Hg, falling then more rapidly
Visibility: 40 miles distant haze
6-hr max temp: 69F
BHO SA 1755 45 SCT 100 SCT 150 SCT 40 077/68/45/1912/976/ CU/MDT
CU ALQDS AC LYRS AND DRK W-N DSNT HZ WND 17V24/ 8/270 58026
10069 20052

WEATHER SUMMARY FOR MONDAY, OCTOBER 21, 2013

TEMPERATURE (DEGREES F)
MAX…..67    NORMAL…..59
MIN…..43    NORMAL…..41
MEAN….55    NORMAL…..50

DEPARTURE FROM 30-YEAR NORMAL…………………+5
TOTAL DEPARTURE FOR THE MONTH……………….+105 [+4.8 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..0   DEPARTURE……….0
TOTAL COOLING UNITS FOR THE MONTH…………..5   DEPARTURE……….0
TOTAL COOLING UNITS FOR THE SEASON………..701   DEPARTURE……..+99
TOTAL COOLING UNITS LAST SEASON TO DATE……767   DIFFERENCE…….-66

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..10 DEPARTURE………-5
TOTAL HEATING UNITS FOR THE MONTH………….145 DEPARTURE…….-106
TOTAL HEATING UNITS FOR THE SEASON…………291 DEPARTURE…….-102
TOTAL HEATING UNITS LAST SEASON TO DATE…….307 DIFFERENCE…….-16

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………23 SSW AT   8:42 P.M.
AERO…………………..25 SSW AT   8:42 P.M.
ASOS…………………..26 SSW AT   8:42 P.M.
DAVIS………………….25 SSW AT   8:38 P.M. RMY 27
FASTEST MILE FOR YESTERDAY………………..19 SSW AT   9:12 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..20 SSW AT   9:12 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….19 SSW AT   9:11 P.M.
AVERAGE WIND SPEED AND DIRECTION………….11.7 W
ASOS………………….11.4
DAVIS…………………10.5 SW [230 degrees]

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……….0.98   DEPARTURE………….-2.15
ASOS…………..0.97
TOTAL PRECIPITATION FOR THE YEAR……….42.90   DEPARTURE………….+0.69
ASOS…………..N/A*
*ASOS malfunctioned during storm on 2/8-9, leading to erroneous totals

PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 2013 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane wind recording system gust
RMY: RMY = R.M. Young wind gust recording system added 8/9/2011
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized

10/1 75/50/63/+6/0.00/676/96         16 WNW AERO 16 MPH WNW RMY 18
10/2 78/56/67/+10/0.00/666/95        29 W   AERO 30 MPH W   RMY 29
10/3 77/56/67/+11/0.00/628/90        20 WNW AERO 20 MPH WNW RMY N/A
10/4 67/56/62/+6/0.26/028/04         18 NW AERO 20 MPH NW RMY N/A
10/5 67/56/62/+6/0.01/125/18         14 ENE AERO 12 MPH ENE RMY N/A
10/6 58/53/56/+1/0.56/000/00         20 NE AERO 20 MPH NE RMY N/A
10/7 75/57/66/+11/0.07/213/31        48 S   AERO 55 MPH S   RMY 55
10/8 65/50/58/+4/0.00/581/85         25 NW AERO 27 MPH NW RMY 28
10/9 59/49/54/0/0.00/545/80          25 ENE AERO 24 MPH ENE RMY 25
10/10 61/46/54/0/0.00/095/14          18 NE AERO 17 MPH NE RMY 18
10/11 67/50/59/+6/0.00/473/70         20 NE AERO 20 MPH NE RMY N/A
10/12 59/50/55/+2/0.02/007/01         30 ENE AER0 31 MPH ENE RMY 32
10/13 59/46/53/0/0.00/482/72          23 ENE AERO 23 MPH ENE RMY 23
10/14 64/42/53/+1/0.00/580/87         15 SSW AERO 15 MPH SSW RMY 15
10/15 66/50/58/+6/0.00/266/40         16 ESE AERO 16 MPH ESE RMY N/A
10/16 60/49/55/+4/0.00/013/02         23 ESE AERO 24 MPH ESE RMY 23
10/17 70/52/61/+10/0.06/277/42        21 S   AERO 23 MPH S   RMY N/A
10/18 67/50/59/+8/0.00/630/96         32 WNW AERO 32 MPH W   RMY 31
10/19 65/45/55/+5/0.00/379/58         21 W   AERO 22 MPH W   RMY N/A
10/20 61/44/53/+3/0.00/644/99         33 W   AERO 36 MPH W   RMY 34
10/21 67/43/55/+5/0.00/…/..         23 SSW AERO 25 MPH SSW RMY 27