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

DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, MARCH 10, 2016 
ALL TIMES ARE IN EASTERN STANDARD TIME

RECORD WARMTH SETS NEW DAILY RECORD WEDNESDAY OF 75F

Temperatures soared yesterday afternoon, reaching a daytime
maximum of 75F, 4 degrees higher than yesterday's daily record
of 71F set back in 2000. This high reading yesterday also represents
the warmest temperature reading so early in the season.

Clouds rolled in overnight with broken layers of altocumulus and
overcast altostratus by this morning. Overnight temperatures dipped
to an unseasonably warm 58F. Light rain showers were underway
intermittently by mid morning today, with steadier rain falling
this afternoon.

By the 1:00 PM EST observation rain showers had transitioned to
a steady light rain totaling just 0.01 inches by observation
time. Temperatures were holding steady through the observing
day between 62F and 64F.


Today's Observations:

7 A.M.
Weather: Broken altocumulus, overcast altostratus
Temperature: 63F; Dew Point: 42F; Wind: WSW at 8 kts
Sea-level pressure: 29.98 ins. Hg, rising, then more quickly
Visibility: 20 miles, thin fog in all directions, hazy
6-hr Max temp: 63F 
6-hr Min temp: 61F
24-hr precip: 0.00 
24-hr snowfall: 0.00 inch
BHO SA 1155 E120 BKN 180 OVC 20 151/63/42/2408/998/ 
THN FG ALQDS HAZY/ 8/07/ 53012 10063 20061 

10 A.M.
Weather: Light rain shower begins 9:00 AM EST ends 9:05 AM EST,
broken altocumulus, overcast altostratus, showers distant N-NE and
ESE-SSE
Temperature: 63F; Dew Point: 47F; Wind: estimated WSW at 6 kts,
Wind Speed: Light
Sea-level pressure: 29.99 ins. Hg, rising, then more quickly
Visibility: 25 miles, thin fog in all directions, hazy, 
distant showers
3-hr precip: Trace
BHO SA 1455 E100 BKN 120 OVC 25 155/63/47/E2406/999/ 
RW-B00E05 SHWRS DSNT N-NE AND ESE-SSE THN FG ALQDS 
HAZY WND LGT/ 8/07/ 53004 MANUAL 6000/

1 P.M.
Weather: Light rain, scattered stratocumulus, broken altocumulus,
overcast altostratus
Temperature: 63F; Dew Point: 55F; Wind: estimated W at 6 kts,
Wind Speed: Light
Sea-level pressure: 29.95 ins. Hg, rising, then falling and lower
Visibility: 10 miles, except 15 miles SSE-WSW, thin fog, light rain
6-hr Max temp: 64F 
6-hr Min temp: 62F
6-hr precip: 0.01 ins.
BHO SA 1755 45 SCT E90 BKN 110 OVC 10R- 142/63/55/E2706/995/ 
VSBY SSE-WSW 15 MI THN FG ALQDS WND LGT/ 8/57/ 58013 ASOS 60001 
MANUAL 60001 10064 20062


SUMMARY FOR WEDNESDAY, MARCH 9, 2016 
  
TEMPERATURE (DEGREES F)
MAX.....75   NORMAL.....42
MIN.....38   NORMAL.....24 
MEAN....57   NORMAL.....33

DEPARTURE FROM 30-YEAR NORMAL........................+24
TOTAL DEPARTURE FOR THE MONTH........................+40 [+4.2 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY...............8   DEPARTURE.........-24
TOTAL HEATING UNITS FOR THE MONTH.............256   DEPARTURE.........-40
TOTAL HEATING UNITS FOR THE SEASON...........3939   DEPARTURE........-925
TOTAL HEATING UNITS LAST SEASON TO DATE......5044   DIFFERENCE......-1105

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY...................32 S   AT  6:48 A.M.  
                   ASOS........................33 S   AT  6:49 A.M.        
                   DAVIS.......................32 S   AT  6:48 A.M. RMY 33
FASTEST MILE FOR YESTERDAY.....................25 S   AT  6:55 A.M.    
MAXIMUM 2-MINUTE ASOS AVERAGE..................25 SSW AT  7:20 A.M.        
MAXIMUM 2-MINUTE DAVIS AVERAGE.................24 S   AT  7:20 A.M.        
AVERAGE WIND SPEED AND DIRECTION..............16.6 S
                   ASOS.......................16.6   
                   DAVIS......................15.5 S [193 Deg.]
* Last of several occurrences. 

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.18
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........0.45  DEPARTURE......-1.12
                         ASOS..............0.48
TOTAL PRECIPITATION FOR THE YEAR...........9.82  DEPARTURE......-0.17 
                         ASOS.............10.44

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)  
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.......-0.5
TOTAL SNOWFALL FOR THE MONTH................0.5  DEPARTURE.......-4.1
TOTAL SNOWFALL FOR THE SEASON..............38.6  DEPARTURE......-13.5

PRELIMINARY CLIMATE SUMMARY FOR MARCH CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/ AERO/RMY GUST
AERO: Aerovane wind recording system 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

3/1   45/30/38/+7/0.00/0.0/.../..           54 W   AERO 60 W   RMY 53
3/2   52/21/37/+6/0.41/0.0/.../..           44 WNW AERP 47 NW  RMY 42
3/3   34/16/25/-7/0.00/0.0/.../..           30 WNW AERO 36 WNW RMY N/A
3/4   30/24/27/-5/..../.../.../..           32 N   AERO 38 N   RMY 34
3/5   35/20/28/-4/0.00/0.0/.../..           31 N   AERO 36 N   RMY N/A
3/6   40/25/33/+1/0.00/0.0/.../..           21 SSE AERO 21 SSE RMY N/A
3/7   49/29/39/+6/0.00/0.0/.../..           43 SSW AERO 48 SSW RMY 45
3/8   55/35/45/+12/0.00/0.0/.../..          23 S   AERO 24 S   RMY N/A
3/9   75/38/57/+24/0.00/0.0/.../..          32 S   AERO 36 S   RMY 33

3/10   morning low temp. since midnight 38F; normal now 24F

DAILY RECORDS FOR MARCH 2016

***3/9/16: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 75F,
BREAKS PREVIOUS RECORD OF 71F SET BACK IN 2000.***

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

RECORDS FOR MARCH 10
HIGH 69 IN 1977
LOW 2 IN 1984
PRECIP 2.00 INS. IN 1994
SNOWFALL 4.0 INS. IN 1997
PEAK GUST 80 MPH NW IN 1974

RECORDS FOR MARCH 11
HIGH 65 IN 1967
LOW 4 IN 1939, 1960
PRECIP 2.11 INS. IN 1901
SNOWFALL 6.3 INS. IN 1934
PEAK GUST 66e MPH W IN 1980

TODAY'S REPORT PREPARED BY: Brian Fitzgerald