BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, FEBRUARY 11, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
 
THE CHILL CONTINUES WITH A FIFTH STRAIGHT DAY
OF BELOW AVERAGE TEMPERATURES
 
Blue skies and chilly temperatures prevail once again, as
temperatures on Monday stayed below freezing for a seventh
straight day. From 7:00 AM yesterday to 7:00 PM today
temperatures could only must 27 degrees for a maximum followed
by an overnight tumble to 8 degrees.
 
Very few clouds were observed through today with visibilities
starting out poor, then increasing by 1:00 PM.
 
Today's Observations:
 
7 A.M.
Weather: Clear, few stratocumulus distant offshore NNE-ESE
Temperature: 9F; Dew Point: 1F; Wind: WNW at 10 kts,
Sea-level pressure: 30.25 ins. Hg, rising, then more slowly
Visibility: 35 miles, light haze in all directions
6-hr min temp: 8F
Snow depth: 10 inches
BHO SA 1155 CLR 35 245/9/1/3010/025/ FEW SC DSNT OFFSHR NNE-ESE
LGT HZ ALQDS/ 8/500 4/010 51012 10013 20008
 
10 A.M. 
Weather: Clear, few cumulus N and E
Temperature: 19F Dew Point: 5F; Wind: WNW at 9 kts,
Sea-level pressure: 30.29 ins. Hg, rising, then more slowly
Visibility: 35 miles, light haze in all directions
BHO SA 1455 CLR 35 259/19/5/2909/029/ FEW CU DSNT N AND E 
LGT HZ ALQDS/ 8/100 51014
 
1 P.M.  
Weather: Clear, few cumulus in all directions
Temperature: 22F; Dew Point: 2F; Wind: W at 7G15 kts
Sea-level pressure: 30.25 ins. Hg, steady, then falling   
Visibility: 60 miles
6-hr max. temp: 23F
6-hr min. temp: 8F
BHO SA 1755 CLR 60 244/22/2/2807G15/025/ FEW CU ALQDS/ 
8/100 58015 10023 20008
 
WEATHER SUMMARY FOR MONDAY, FEBRUARY 10, 2014
 
TEMPERATURE (DEGREES F)
MAX.....27    NORMAL.....36
MIN.....14    NORMAL.....18
MEAN....21    NORMAL.....27
 
DEPARTURE FROM 30-YEAR NORMAL........................-6
TOTAL DEPARTURE FOR THE MONTH........................+5 [+0.3 DEGREE/DAY]
 
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY..............44  DEPARTURE..........+6
TOTAL HEATING UNITS FOR THE MONTH.............381  DEPARTURE..........-6     
TOTAL HEATING UNITS FOR THE SEASON...........3898  DEPARTURE.........-20
TOTAL HEATING UNITS LAST SEASON TO DATE......3542  DIFFERENCE.......+356
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..................28  NW AT   10:35 A.M.*      
                   AERO.......................28  NW AT   10:37 A.M.                 
                   ASOS.......................29  NW AT   10:37 A.M.           
                   DAVIS......................28  NW AT   10:19 A.M. RMY 30
FASTEST MILE FOR YESTERDAY....................23  NW AT   10:36 A.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE.................24  NW AT   10:38 A.M.              
MAXIMUM 2-MINUTE DAVIS AVERAGE................23  NW AT   10:38 A.M.            
AVERAGE WIND SPEED AND DIRECTION............11.3  WNW      
                   ASOS.....................11.6   
                   DAVIS....................10.2  WNW [294 deg.]
* last in a series...
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE.............-0.14
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........1.71  DEPARTURE.............+0.36  
                         ASOS..............1.78
TOTAL PRECIPITATION FOR THE YEAR...........6.33  DEPARTURE.............+0.63
                         ASOS..............6.69
 
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE..............-0.5
TOTAL SNOWFALL FOR THE MONTH...............14.9  DEPARTURE.............+10.0
TOTAL SNOWFALL FOR THE SEASON..............63.7  DEPARTURE.............+25.7 
 
PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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
 
2/1  45/30/38/+12/0.00/0.0/402/67         24 S   AERO 23 MPH S   RMY 25
2/2  53/33/43/+17/0.00/0.0/181/30         22 S   AERO 21 MPH WNW RMY 21
2/3  36/22/29/+3/0.32/2.8/000/00          22 NNE AERO 18 MPH NNE RMY 21 
2/4  33/18/26/0/0.00/0.0/.../..           20 NW  AERO 16 MPH NW  RMY 17
2/5  31/21/26/0/..../.../000/00           32 ENE AERO 30 MPH ENE RMY 30
2/6  26/15/21/-5/..../.../.../..          22 WNW AERO 21 MPH WNW RMY 22
2/7  29/13/21/-6/0.00/0.0/.../..          25 W   AERO 23 MPH W   RMY 27
2/8  28/12/20/-7/0.00/0.0/.../..          24 W   AERO 23 MPH W   RMY 23
2/9  28/19/24/-3/0.05/1.0/.../..          21 N   AERO 17 MPH N   RMY 19 
2/10 27/14/21/-6/0.00/0.0/.../..          28 NW  AERO 28 MPH NW  RMY 30   
 
2/11 morning low temp: 8F; the normal low is now 18F 
 
DAILY RECORDS FOR FEBRUARY 2014
None so far.
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR FEBRUARY 11
HIGH 60F IN 1981
LOW -10F IN 1899
PRECIP 1.07 INCHES IN 1955
SNOWFALL 9.6 INCHES IN 1933
PEAK GUST 95 MPH S IN 1981
 
RECORDS FOR FEBRUARY 12
HIGH 56F IN 1999
LOW -14F IN 1914
PRECIP 4.85 INCHES IN 1886 [RECORD FOR MONTH]
SNOWFALL 15.0 INCHES IN 2006
PEAK GUST 70 MPH E IN 1985
 
TODAY'S REPORT PREPARED BY: Brian Fitzgerald