BLUE HILL METEOROLOGICAL OBSERVATORY 
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, JUNE 17, 2005
ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted]


TODAY'S OBSERVATIONS

7am
BHO SA 1155 W2 X2 1/4F 032/54/54/2900/962/ WND L/V/ 8//// 50006 70018 10054 20050

10am
BHO SA 1455 W2 X2 1L-F 040/56/56/2606/965/ WND LGT WND VEERING/ 8//// 53018 6000/


WEATHER SUMMARY FOR THURSDAY, JUNE 16:

TEMPERATURE (DEGREES F)
MAX.....62   NORMAL.....76    ASOS.....62F AT 1:42 P.M.
MIN.....47   NORMAL.....56    ASOS.....47F AT 2:20 A.M.
MEAN....55   NORMAL.....66
DEPARTURE FROM 30-YEAR NORMAL.....-11
TOTAL DEPARTURE FOR THE MONTH.....+65  (+3.9 DEGREES/DAY)


HEATING DEGREE DAY UNITS...
TOTAL HEATING UNITS FOR YESTERDAY.......10
TOTAL HEATING UNITS FOR THE MONTH.......42
TOTAL HEATING UNITS FOR THE SEASON....6388   DEP....+37
TOTAL HEATING UNITS FOR LAST SEASON...6349   DIF....+95

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY........23 NNE AT 11:15 P.M.
                   AEROVANE.........23 NNE AT 11:12 P.M.
                   ASOS.............22 NE  AT 11:16 P.M.
FASTEST MILE FOR YESTERDAY..........17 NNE AT 11:22 P.M.
MAXIMUM 1-MINUTE DAVIS AVERAGE......17 NNE AT 11:23 P.M.
AVERAGE WIND SPEED AND DIRECTION.. 6.1 NE
                   ASOS........... 4.7

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.18   DEPARTURE....+0.04
                         ASOS..............0.18
TOTAL PRECIPITATION FOR THE MONTH..........0.74   DEPARTURE....-1.36
                         ASOS..............0.73
TOTAL PRECIPITATION FOR THE YEAR..........30.30   DEPARTURE....+6.79
                         ASOS.............29.35

PRELIMINARY CLIMATE SUMMARY FOR JUNE 2005......CALENDAR DAY DATA
DATA REPORTED:
DATE  MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST

AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available

6/1  64/46/55/-7/0/570/63                 22 MPH S
6/2  75/48/62/0/0/689/76                  22 MPH S
6/3  77/49/63/+1/0/508/56                 29 MPH S
6/4  83/58/71/+8/0/781/86                 15 MPH SW
6/5  88/55/72/+9/0/782/86                 27 MPH N
6/6  76/52/64/+1/0/382/42                 30 MPH SSE
6/7  87/61/74/+10/0/802/88                33 MPH SSW
6/8  89/65/77/+13/0.34/784/86             30 MPH N    TSTM
6/9  79/65/72/+8/0.18/593/65              28 MPH WSW  TSTM
6/10 81/66/74/+10/0/174/19                36 MPH SSW  Aero 38 MPH SSW
6/11 88/66/77/+12/0/475/52                26 MPH SSW
6/12 87/67/77/+12/0.01/.../..             25 MPH SW   TSTM
6/13 89/71*/80/+15/T/.../..               21 MPH SSW
6/14 81/51/66/+1/0.01/.../..              27 MPH NNE  TSTM
6/15 51*/47/49/-17/0.02/000/00            27 MPH N
6/16 62/47/55/-11/.../.../..              23 MPH NNE

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

NEW RECORDS FOR JUNE SO FAR....

* a new record high min. temp. for 6/13 of 71 deg;
the previous record was 70 in 1892.

* a new record low max. temp. for 6/15 of 51 deg;
the previous record was 52  in 1959 and 2000.


RECORDS FOR JUNE 17
HIGH      93F IN 1894
LOW       44F IN 1920
PRECIP    2.79 INCHES IN 2001 (Sub-Tropical storm ALLISON)
PEAK GUST 55e MPH S IN 1977

RECORDS FOR JUNE 18
HIGH      93F IN 1929,1994
LOW       39F IN 1920
PRECIP    3.36 INCHES IN 1998
PEAK GUST 48e MPH W IN 1943

TODAY'S REPORT BY: Andrew Hoell