BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, NOVEMBER 28, 2015 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
DRIZZLE, FOG, AND CHILLY TEMPERATURES THROUGHOUT THE DAY
 
Clouds were moving into the region by the 7 AM observation
and the rain began shortly before 8 AM.  The rain continued as
the humidity increased and a thick fog rolled in shortly after
the 10 o'clock observation, greatly reducing visibility. 
 
As of the 1 o'clock observation, thick fog obscured the summit
with very low visibilities of 1/4 mile in general.  Light rain
is still falling and temperatures should continue to fall down
into the 30s
 
 
Today's Observations:
 
7 A.M.
Weather: Scattered Altostratus, Broken Cirrostratus
Temperature: 54F; Dew Point: 45F; Wind: W at 10 kts
Sea-level pressure: 30.11 ins. Hg, increasing then decreasing
Visibility: 35 miles
6hr Max temp: 55F
6-hr Min temp: 53F
24-hr precip: 0.00 ins.
BHO SA 1155 80 SCT E140 BKN 35 199/54/45/2710/011/ DSNT HAZE/
8/028 53002 10055 20053
 
10 A.M.
Weather: Broken Stratus Fractus, Overcast Nimbostratus, light rain
Temperature: 50F; Dew Point 49F; Wind: NNE at 13G18 kts,
Sea-level pressure: 30.15 ins.Hg, rising then rising more slowly 
Visibility: 15 miles, except 20 miles SSE-SW , rain
BHO SA 1455 E13 BKN 70 OVC 15R- 209/50/49/0313G18/015/VSBY
SSE-SW 20 MI 8/72/ 51010 MANUAL 60006 ASOS 60005
 
1 P.M.
Weather: Obscured by Fog, light rain
Temperature: 44F; Dew Point 44F; Wind: NE at 09G18 kts,
Sea-level pressure: 30.13 ins. Hg, falling then increasing
Visibility: 1/4 mi, except SE-SSW 1 MI
6-hr max. temp: 54F
6-hr min. temp: 44F
6-hr precip: 0.15 ins
BHO SA 1755 W2 X 1/4R-F 204/44/44/0509G18/013/ VSBY SE-SSW 1 MI
8//// 55005 MANUAL 60015 ASOS 60015 10054 20044
 
 
SUMMARY FOR FRIDAY, NOVEMBER 27, 2015
  
TEMPERATURE (DEGREES F)
MAX.....63   NORMAL.....46
MIN.....48   NORMAL.....30
MEAN....56   NORMAL.....38

DEPARTURE FROM 30-YEAR NORMAL.....................+18
TOTAL DEPARTURE FOR THE MONTH....................+147  [+5.3 DEGREES/DAY]
 
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY...............9   DEPARTURE.........-18
TOTAL HEATING UNITS FOR THE MONTH.............467   DEPARTURE........-148
TOTAL HEATING UNITS FOR THE SEASON............921   DEPARTURE........-257
TOTAL HEATING UNITS LAST SEASON TO DATE......1059   DIFFERENCE.......-138

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY...................35 SW   AT   1:01 P.M.*
                   ASOS........................37 SW   AT  12:55 P.M.      
                   DAVIS.......................36 SW   AT  12:45 P.M. RMY 38
FASTEST MILE FOR YESTERDAY.....................28 SW   AT   1:02 P.M.     
MAXIMUM 2-MINUTE ASOS AVERAGE..................29 SW   AT   1:02 P.M.           
MAXIMUM 2-MINUTE DAVIS AVERAGE.................27 SW   AT   1:02 P.M.           
AVERAGE WIND SPEED AND DIRECTION...............17.8 SW
                   ASOS........................18.6     
                   DAVIS.......................16.6 SW [220 Deg.]   
* Last of several occurrences

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.....0.00  DEPARTURE.....-0.17
                         ASOS...............0.00
TOTAL PRECIPITATION FOR THE MONTH...........2.40  DEPARTURE.....-1.98
                         ASOS...............2.42
TOTAL PRECIPITATION FOR THE YEAR...........39.23  DEPARTURE.....-8.82 
                         ASOS................N/A ***
*** ASOS annual total not available due to erroneous readings
 
PRELIMINARY CLIMATE SUMMARY FOR 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
 
11/1  59/45/52/+6/T/006/01                  30 SSW RMY 31 
11/2  62/47/55/+9/0.00/476/77               24 W   RMY N/A
11/3  71/44/58/+12/0.00/616/100             25 W   RMY 25
11/4  66/49/58/+13/0.00/601/98              22 SSW RMY N/A
11/5  72/51/62/+17/0.00/281/46              31 SW  RMY 36 
11/6  71/60/66/+21/0.00/109/18              35 SSW RMY 38
11/7  64/46/55/+10/0.00/029/04              33 WNW RMY 35
11/8  54/39/47/+3/0.00/591/98               26 NW  RMY 30
11/9  59/38/49/+5/0.00/577/96               20 W   RMY 21
11/10 53/45/49/+5/..../000/00               28 NE  RMY N/A
11/11 48/43/46/+3/..../000/00               41 NE  RMY N/A
11/12 55/42/49/+6/..../000/00               28 S   RMY 30
11/13 57/41/49/+6/..../385/65               40 WSW RMY 47
11/14 45/31/38/-4/0.00/425/72               40 NW  RMY 47 
11/15 51/31/41/-1/0.00/241/41               25 W   RMY 27
11/16 59/36/48/+6/0.00/416/71               25 NNW RMY 29
11/17 45/28/37/-4/0.00/572/98               18 NNE RMY N/A
11/18 50/35/43/+2/0.00/575/99               17 SSE RMY N/A
11/19 55/38/47/+6/..../000/00               29 SSE RMY N/A
11/20 58/41/50/+10/..../416/72              43 SSE RMY N/A
11/21 46/35/41/+1/0.00/380/66               20 ENE RMY 21
11/22 45/35/40/+0/..../000/00               26 NW  RMY 28
11/23 40/25/33/-6/0.00/543/95               24 NW  RMY 29
11/24 42/23/33/-6/0.00/564/99               20 WSW RMY 19
11/25 46/31/39/+0/0.00/568/100              18 SSE RMY N/A
11/26 58/37/48/+10/0.00/.../..              33 S   RMY 35
11/27 63/48/54/+18/0.00/.../..              35 SW  RMY 38
 
11/28 low since midnight is 46F; normal low is now 30F 
 
DAILY RECORDS FOR NOVEMBER 2015
 
**11/6 DAILY RECORD MAXIMUM TEMPERATURE OF 71F
       TIES PREVIOUS RECORD OF 71F SET IN 1959

**11/6 DAILY RECORD HIGH MINIMUM TEMPERATURE OF 60F
       BREAKS PREVIOUS RECORD OF 58F SET IN 1938
 
**11/6 DAILY RECORD HIGH MINIMUM TEMPERATURE OF 60F
       TIES PREVIOUS MONTHLY RECORD OF 60F SET ON
       11/8/1996
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR NOVEMBER 28
HIGH 70 IN 1990
LOW 10 IN 1901,1930,1936
PRECIP 1.84 INCHES IN 1889
SNOWFALL 3.0 INS IN 1917
PEAK GUST 90 SSW IN 1958
 
RECORDS FOR NOVEMBER 29
HIGH 66 IN 2011      
LOW 6 IN 1901
PRECIP 2.69 INCHES IN 1963
SNOWFALL 6.0 INS IN 2012
PEAK GUST 86 SSE IN 1963
 
TODAY'S REPORT PREPARED BY: Robert Millette