Sunday, November 1, 2015

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

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, NOVEMBER 1, 2015
ALL TIMES ARE IN EASTERN STANDARD TIME

OCTOBER TEMPS. AVERAGED WITHIN 0.1 DEG. OF NORMAL
PRECIPITATION WAS WELL BELOW NORMAL AT 57%  OF NORMAL
ADDITIONAL DATA FOR OCTOBER WILL BE FORTHCOMING…

The temperature for October averaged 0.1 degrees below
normal at 51.5 degrees.  The total precipitation of
2.69 inches was well below normal by 57%; normal is 4.69
inches. A lot of additional data for October will become
available here in our discussions during the upcoming
first week of November.

Today’s Observations:

7 A.M.
Weather: Broken altocumulus, overcast altostratus
Temperature: 49F; Dew Point: 44F; Wind: S at 14 kts,
Sea-level pressure: 29.96 ins. Hg, falling then more slowly
Visibility: 40 miles, distant haze
6-hr Max temp: 49F
6-hr Min temp: 45F
24-hr precip: 0.00
BHO SA 1155 E110 BKN 130 OVC 40 147/49/44/1714/996/ DSNT HZ/ 8/07/ 56021
10049 20045

10 A.M.
Weather: Broken altocumulus, overcast altostratus, light rain
showers began and ended past hour
Temperature: 52F; Dew Point 47F; Wind: SW at 8 Kts
Sea-level pressure: 29.92 ins. Hg, falling then more rapidly
Visibility: 35 miles, distant haze and distant thin fog
BHO SA 1455 E75 BKN 95 OVC 35 133/52/47/1816/992/ DSNT HZ/THN FG
RB15E40/ 8/07/ 58014 MANUAL 6000/
3-hr precip: trace

1 P.M.
Weather: Scattered cumulus, broken stratocumulus, overcast
alstostratus and altocumulus
Temperature: 58F; Dew Point 51F; Wind: SSW @ 17G23,
Peak wind: 26 kts SSW @ 12:25 P.M.
Sea-level pressure: 29.83 ins. Hg, falling then more rapidly
Visibility: 35 miles, distant haze
6-hr max. temp. 58F
6-hr min. temp. 49F
6-hr precip: trace
BHO SA 1755 30 SCT E40 BKN 95 OVC 35 101/57/50/2117G23/983/
BRGHT SPTS IOVC S DSNT HZ PK WND 2026/25/ 8/87/ 58032
10057 20049

SUMMARY FOR SATURDAY, OCTOBER 31, 2015

TEMPERATURE (DEGREES F)
MAX…..54   NORMAL…..55
MIN…..32   NORMAL…..38
MEAN….43   NORMAL…..47

DEPARTURE FROM 30-YEAR NORMAL………………….-4
TOTAL DEPARTURE FOR THE MONTH………………….+3  [-0.1 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY……………0   DEPARTURE………..0
TOTAL COOLING UNITS FOR THE MONTH……………0   DEPARTURE……….-5
TOTAL COOLING UNITS FOR THE SEASON…………810   DEPARTURE……..+208
TOTAL COOLING UNITS LAST SEASON TO DATE…….595   DIFFERENCE…….+215

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..22   DEPARTURE……….+4
TOTAL HEATING UNITS FOR THE MONTH………….411   DEPARTURE………-10
TOTAL HEATING UNITS FOR THE SEASON…………454   DEPARTURE……..-109
TOTAL HEATING UNITS LAST SEASON TO DATE…….422   DIFFERENCE……..+32

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….18  SSW AT  8:51 P.M.
ASOS……………………21  SSW AT  8:42 P.M.
DAVIS…………………..19  SSW AT  8:07 P.M. N/A
FASTEST MILE FOR YESTERDAY…………………15  SSW AT  8:52 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………16  SSW AT  8:51 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..15  SSW AT  8:09 P.M.
AVERAGE WIND SPEED AND DIRECTION……………8.2 SSW
ASOS……………………8.4
DAVIS…………………. 7.4 W [260 Deg.]

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 OCTOBER…………….  .2.69  DEPARTURE…..-2.00
ASOS…………..2.73
TOTAL PRECIPITATION FOR THE YEAR………..36.83  DEPARTURE…..-6.94
ASOS…………….N/A ***
*** ASOS annual total not available due to erroneous readings

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  55/51/53/-4/…./000/00               39 NE  RMY N/A
10/2  51/47/49/-8/…./000/00               40 NE  RMY 43
10/3  51/45/48/-8/…./000/00               38 NE  RMY N/A
10/4  55/49/52/-4/0.00/474/68               35 E   RMY 40
10/5  59/46/53/-3/T/125/18                  21 NE  RMY 20
10/6  68/43/56/+1/0.00/663/96               17 NW  RMY 17
10/7  69/46/58/+3/0.00/640/93               20 W   RMY 20
10/8  63/49/56/+2/0.00/678/99               21 S   RMY N/A
10/9  68/50/59/+5/0.27/130/19               45 S   RMY 49
10/10 59/44/53/-2/0.00/673/99               33 NNW RMY N/A
10/11 67/46/57/+4/0.00/582/86               26 SW  RMY 28
10/12 76/50/63/+10/0.00/647/96              22 SSW RMY 24
10/13 70/55/63/+10/0.27/208/31              23 S   RMY 24
10/14 66/46/56/+4/0.00/428/64               26 W   RMY 29
10/15 60/41/51/-1/0.00/659/99               20 SW  RMY 27
10/16 60/44/52/+1/T/471/71                  31 W   RMY 34
10/17 54/35/45/-6/T/482/73                  30 WNW RMY 33
10/18 45/28/37/-14/0.00/480/73              24 NNW RMY 25
10/19 47/26/37/-13/0.00/648/99              25 SSW RMY 30
10/20 65/43/54/+4/0.00/306/47               28 SW  RMY 28
10/21 59/51/55/+5/0.01/039/06               18 SSE RMY 21
10/22 71/51/61/+12/T/149/23                 31 W   RMY 34
10/23 55/34/45/-4/0.00/541/84               31 NNW RMY 34
10/24 46/33/40/-9/0.00/000/00               15 SSE RMY N/A
10/25 59/44/52/+3/0.04/019/03               29 N   RMY 31
10/26 53/38/46/-2/0.00/636/100              23 NNW RMY 20
10/27 56/35/46/-2/0.00/531/81               15 SE  RMY N/A
10/28 64/44/54/+6/…./019/03               53 SSE RMY N/A
10/29 72/52/62/+15/…./257/41              53 S   RMY N/A
10/30 59/38/49/+2/0.00/…/..               33 WNW RMY 35
10/31 54/32/43/-4/0.00/…/..               18 SSW RMY N/A

11/1  low since midnight is 45F; normal low is now 38F

DAILY RECORDS FOR OCTOBER 2015

-NONE

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR NOVEMBER 1
HIGH 75 IN 2003
LOW 22 IN 1913,1923
PRECIP 2.93 INCHES IN 1985
SNOWFALL TRACE IN 1906,1951
PEAK GUST 78 ESE IN 1997

RECORDS FOR NOVEMBER 2
HIGH 81 IN 1950
LOW 22 IN 1965
PRECIP 1.67 INCHES IN 1970
SNOWFALL 1.8 IN 2014
PEAK GUST 63 WSW IN 1973

TODAY’S REPORT PREPARED BY: Robert Skilling