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

DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, APRIL 1, 2016 
ALL TIMES ARE IN EASTERN STANDARD TIME

WINDS ON THURSDAY GUST TO 63 MPH- OVERNIGHT 
TEMP DROPS TO A STICKY AND WARM 59F

The windiest calendar day in all of this year occurred
Thursday with winds averaging 27.3 MPH mostly from the S to
SSW from midnight to midnight. Winds from 1:00-2:00 PM EST
yesterday afternoon averaged 38 MPH for the entire hour, with
a fastest mile wind speed of 43 MPH clocked on four 
separate occasions. Our peak gust for the day was 63 MPH from
the S at 11:52 AM EST.

Overnight humidity was on the rise as showers begin to enter
the region. Temperatures only managed to drop to 59F just shortly
after 7:00 PM EST last night, with light rain showers dropping
0.03 inches of rain just after midnight this morning. 

By today's 1:00 PM EST observation skies were still overcast 
with plenty of thin fog limiting visibility to just 20 miles in
all directions. A maximum temperature of 64F had been recorded
so far today.


Today's Observations:

7 A.M.
Weather: Broken stratocumulus, overcast altostratus,
showers distant ESE-SW, sun dimly visible 
Temperature: 62F; Dew Point: 59F; Wind: SSW at 18G25 kts,
Peak Wind: 27 kts SSW at 6:28 AM EST
Sea-level pressure: 29.67 ins. Hg, falling unsteadily
Visibility: 20 miles, except 15 miles ESE-SW, distant showers
and thin fog in all directions
6-hr Max temp: 62F 
6-hr Min temp: 60F
24-hr precip: 0.03 ins.  
BHO SA 1155 E12 BKN 100 OVC 20 048/62/59/2018G25/967/ VSBY 
ESE-SW 15 MI SHWRS DSNT ESE-SW THN FG ALQDS SUN DMLY VSBL 
PK WND 2027/28/ 8/51/ 57021 ASOS 60003 70003 MANUAL 70003 
10062 20060

10 A.M.
Weather: Overcast stratus
Temperature: 59F; Dew Point: 58F; Wind: SSW at 16G22 kts,
Peak Wind: 28 kts S at 9:17 AM EST
Sea-level pressure: 29.62 ins. Hg, falling, then more quickly
Visibility: 10 miles, except 7 miles WSW, thin fog  
BHO SA 1455 E6 OVC 10 031/59/58/2016G22/962/ VSBY WSW 7 MI 
THN FG ALQDS PK WND 1928/17/ 8/6// 58017 

1 P.M.
Weather: Broken stratocumulus, overcast altostratus,
sun dimly visible
Temperature: 64F; Dew Point: 59F; Wind: SSW at 18G24 kts,
Peak Wind: 28 kts SSW at 12:33 PM EST
Sea-level pressure: 29.53 ins. Hg, falling, then more quickly
Visibility: 20 miles, thin fog in all directions
6-hr Max temp: 64F 
6-hr Min temp: 59F
BHO SA 1755 E13 BKN 100 OVC 20 001/64/59/2018G24/953/ THN FG ALQDS 
SUN DMLY VSBL PK WND 2028/33/ 8/51/ 58030 10064 20059
 

SUMMARY FOR THURSDAY, MARCH 31, 2016 
  
TEMPERATURE (DEGREES F)
MAX.....69   NORMAL.....49
MIN.....41   NORMAL.....32 
MEAN....55   NORMAL.....41

DEPARTURE FROM 30-YEAR NORMAL........................+14
TOTAL DEPARTURE FOR THE MONTH.......................+179 [+5.6 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY..............10   DEPARTURE.........-14
TOTAL HEATING UNITS FOR THE MONTH.............736   DEPARTURE........-180
TOTAL HEATING UNITS FOR THE SEASON...........4419   DEPARTURE.......-1065
TOTAL HEATING UNITS LAST SEASON TO DATE......5743   DIFFERENCE......-1324

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY...................63 S   AT 11:52 A.M. 
                   ASOS........................66 SSW AT 11:53 A.M.  
                   DAVIS.......................63 S   AT 11:53 A.M. RMY 65
FASTEST MILE FOR YESTERDAY.....................43 SSW AT  1:45 P.M.*   
MAXIMUM 2-MINUTE ASOS AVERAGE..................44 SSW AT  1:45 P.M. 
MAXIMUM 2-MINUTE DAVIS AVERAGE.................43 SSW AT  1:45 P.M. 
AVERAGE WIND SPEED AND DIRECTION.............27.3 SSW 
                   ASOS......................26.5   
                   DAVIS.....................25.0 SSW [200 Deg.]
* Last of several occurrences 

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.03  DEPARTURE......-0.15
                         ASOS..............0.03
TOTAL PRECIPITATION FOR THE MONTH..........0.03  DEPARTURE.......0.00
                         ASOS..............0.03
TOTAL PRECIPITATION FOR THE YEAR..........12.61  DEPARTURE......-1.42 
                         ASOS.............13.04


SNOWFALL (INCHES) THROUGH THIS MORNING (EST)  
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.......-0.2
TOTAL SNOWFALL FOR THE MONTH................4.4  DEPARTURE.......-8.3
TOTAL SNOWFALL FOR THE SEASON..............42.5  DEPARTURE......-17.7

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/+7/0.00/0.0/602/89           54 W   AERO 60 W   RMY 53
3/2   52/21/37/+6/0.41/0.0/204/30           44 WNW AERP 47 NW  RMY 42
3/3   34/16/25/-7/0.00/0.0/641/94           30 WNW AERO 36 WNW RMY N/A
3/4   30/24/27/-5/..../.../000/00           32 N   AERO 38 N   RMY 34
3/5   35/20/28/-4/0.00/0.0/536/78           31 N   AERO 36 N   RMY N/A
3/6   40/25/33/+1/0.00/0.0/593/86           21 SSE AERO 21 SSE RMY N/A
3/7   49/29/39/+6/0.00/0.0/173/25           43 SSW AERO 48 SSW RMY 45
3/8   55/35/45/+12/0.00/0.0/647/93          23 S   AERO 24 S   RMY N/A
3/9   75/38/57/+24/0.00/0.0/594/85          32 S   AERO 36 S   RMY 33
3/10  64/50/57/+24/..../0.0/000/00          31 NNW AERO 38 NNW RMY 32
3/11  56/38/47/+13/T/0.0/331/47             28 NNW AERO 36 NNW RMY 29
3/12  58/31/45/+11/0.00/0.0/650/92          30 SW  AERO 33 SW  RMY 30 
3/13  63/46/55/+21/0.00/0.0/.../..          32 NW  AERO 35 NW  RMY 30
3/14  46/36/41/+6/..../T/000/00             32 E   AERO 33 E   RMY N/A
3/15  45/39/42/+7/..../0.0/000/00           36 ENE AERO 38 ENE RMY 34
3/16  48/39/44/+9/..../0.0/.../..           25 E   AERO 28 E   RMY N/A
3/17  63/40/52/+16/..../0.0/.../..          44 NW  AERO 48 NW  RMY 45
3/18  51/33/42/+6/0.01/0.0/.../..           43 WNW AERO 45 WNW RMY 43
3/19  44/25/35/-1/0.00/0.0/.../..           25 NNW AERO 28 NNW RMY 26
3/20  35/23/29/-8/..../.../.../..           25 NE  AERO 28 NE  RMY 25
3/21  41/26/34/-3/..../.../.../..           30 WNW AERO 33 WNW RMY 32
3/22  48/28/38/+1/..../.../.../..           33 W   AERO 37 W   RMY 36
3/23  62/39/51/+13/0.01/0.0/.../..          35 NE  AERO 40 NE  RMY 39
3/24  39/34/37/-1/..../0.0/.../..           31 ENE AERO 33 ENE RMY 32
3/25  55/37/46/+8/..../.../.../..           22 NNW AERO 22 NNW RMY 24 
3/26  43/30/37/-2/0.00/0.0/.../..           22 N   AERO 24 N   RMY N/A  
3/27  46/30/38/-1/0.00/0.0/.../..           23 SSE AERO 24 SSE RMY 22  
3/28  43/35/39/+0/0.41/0.0/000/00           33 W   AERO N/A    RMY N/A
3/29  50/34/42/+2/0.00/0.0/.../..           46 WNW AERO N/A    RMY 46
3/30  58/29/44/+4/0.00/0.0/.../..           33 S   AERO N/A    RMY N/A
3/31  69/41/55/+14/0.00/0.0/.../..          63 S   AERO N/A    RMT 65

4/1  low temp since midnight is 59F; normal now 32F

DAILY RECORDS FOR MARCH 2016

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

***3/10/16: NEW DAILY RECORD HIGH MINIMUM TEMPERATURE OF 50F,
BREAKS PREVIOUS RECORD OF 42F SET AND TIED IN 1977, 2006***

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

RECORDS FOR APRIL 1
HIGH 74 IN 1967
LOW 6 IN 1923 [RECORD FOR MONTH]
PRECIP 3.47 IN. IN 2004 [RECORD FOR MONTH]
SNOWFALL 15.0 IN. IN 1997 [RECORD FOR MONTH]
PEAK GUST 75 MPH SSW IN 1962

RECORDS FOR APRIL 2
HIGH 77 IN 1967
LOW 14 IN 1919
PRECIP 1.83 IN. IN 1970
SNOWFALL 13.0 IN. IN 1887
PEAK GUST 76 MPH SSW IN 1970

TODAY'S REPORT PREPARED BY: Brian Fitzgerald/Cece Borries-Strigle