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

DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, MARCH 28, 2016 
ALL TIMES ARE IN EASTERN STANDARD TIME

STEADY RAIN BEGINS MONDAY MORNING- 0.33 INCHES BY 13E TODAY

Following a seasonable and quiet Sunday, steady light to 
moderate rain began to fall just after this morning's 
7:00 AM EST observation. By 10:00 AM EST an even quarter
inch of new rain had fallen with fog reducing visibility to
less than 1 mile. Temperatures have struggled to climb from
this morning's minimum reading of 35F, reaching the lower
40s by mid day today.

By today's 1:00 PM EST observation light rain continued to
fall with thick fog reducing visibility to 1/4 of a mile. 
Temperatures had reached a maximum of 42F so far.


Today's Observations:

7 A.M.
Weather: Showers in the vicinity SE-N, overcast stratus
Temperature: 37F; Dew Point: 36F; Wind: ESE at 7 kts,  
Sea-level pressure: 29.96 ins. Hg, falling, then more slowly
Visibility: 4 miles, except 15 miles NNE-ESE, vicinity showers
SE-N and thin fog in all directions
6-hr Max temp: 37F 
6-hr Min temp: 35F
24-hr precip: 0.00  
BHO SA 1155 E5 OVC 4 144/37/36/1107/996/ VSBY NNE-ESE 15 MI 
VCSH SE-N THN FG ALQDS/ 8/6// 56028 10037 20035

10 A.M.
Weather: Light rain, fog
Temperature: 39F; Dew Point: 39F; Wind: E at 15G22 kts,
Sea-level pressure: 29.76 ins. Hg, falling rapidly 
Visibility: 3/4 of a mile, except 1/2 mile NW-NE, fog
and light rain
3-hr precip: 0.25 ins.  
BHO SA 1455 W3 X 3/4R-F 079/39/39/0815G22/976/ VSBY NW-NE 
1/2 MI PRESFR/ 8//// 58065 ASOS 60025 MANUAL 60025

1 P.M.
Weather: Light rain, thick fog
Temperature: 41F; Dew Point: 41F; Wind: NE at 7 kts,
Sea-level pressure: 29.65 ins. Hg, falling rapidly 
Visibility: 1/4 of a mile, light rain, thick fog
6-hr Max temp: 42F 
6-hr Min temp: 37F
6-hr precip: 0.33 ins.
BHO SA 1755 W2 X 1/4R-F 042/41/41/0507/965/ PRESFR/ 
8//// 58037 MANUAL 60033 10042 20037
 

SUMMARY FOR SUNDAY, MARCH 27, 2016 
  
TEMPERATURE (DEGREES F)
MAX.....46   NORMAL.....48
MIN.....30   NORMAL.....30 
MEAN....38   NORMAL.....39

DEPARTURE FROM 30-YEAR NORMAL.........................-1
TOTAL DEPARTURE FOR THE MONTH.......................+159 [+5.7 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY..............27   DEPARTURE..........+1
TOTAL HEATING UNITS FOR THE MONTH.............656   DEPARTURE........-159
TOTAL HEATING UNITS FOR THE SEASON...........4339   DEPARTURE.......-1045
TOTAL HEATING UNITS LAST SEASON TO DATE......5620   DIFFERENCE......-1281

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY...................23 SSE AT 10:18 P.M. 
                   ASOS........................23 S   AT 10:18 P.M.  
                   DAVIS.......................21 SSE AT 10:17 P.M. RMY 22
FASTEST MILE FOR YESTERDAY.....................17 SSE AT 10:18 P.M.   
MAXIMUM 2-MINUTE ASOS AVERAGE..................18 S   AT 10:18 P.M. 
MAXIMUM 2-MINUTE DAVIS AVERAGE.................17 SSE AT 10:19 P.M. 
AVERAGE WIND SPEED AND DIRECTION.............5.9 ENE 
                   ASOS......................5.8   
                   DAVIS.....................5.3 ESE [107 Deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.19
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........2.80  DEPARTURE......-2.07
                         ASOS..............2.80
TOTAL PRECIPITATION FOR THE YEAR..........12.17  DEPARTURE......-1.12 
                         ASOS.............12.76

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)  
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.......-0.3
TOTAL SNOWFALL FOR THE MONTH................4.4  DEPARTURE.......-7.2
TOTAL SNOWFALL FOR THE SEASON..............42.5  DEPARTURE......-16.6

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  low temp since midnight is 35F; normal now 31F

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 MARCH 28
HIGH 86 IN 1998
LOW 7 IN 1923
PRECIP 2.31 INS. IN 1932
SNOWFALL 3.0 INS. IN 1932
PEAK GUST 60e MPH NW IN 1944, 60 WSW IN 1991

RECORDS FOR MARCH 29
HIGH 85 IN 1945
LOW -2 IN 1923
PRECIP 2.78 INS. IN 1984
SNOWFALL 13.5 INS. IN 1984
PEAK GUST 95 MPH ENE IN 1984

TODAY'S REPORT PREPARED BY: Brian Fitzgerald