BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
ALL TIMES EASTERN STANDARD TIME
FRIDAY, JULY 22, 2005

TODAY'S OBSERVATIONS......

7am
BHO SA 1155 220 SCT 20 129/75/63/2806/991/
K LYR ALNG HRZN W-SE WND LGT/ 8/001 50010 10074 20069

10am
BHO SA 1455 220 SCT 30 129/85/67/2405/991/
WND LGT/ 8/001 50000

1pm
BHO SA 1755 200 SCT 15 120/90/65/2608/988/
FEW SC FRMG ALQDS WND 17V31/ 8/501 56009 10090 20075


WEATHER SUMMARY FOR THURDAY, JULY 21:

TEMPERATURE (DEGREES F)
MAX.....86   NORMAL.....82   ASOS 86F AT 12:20 P.M.
MIN.....68   NORMAL.....63   ASOS 68F AT  5:31 A.M.
MEAN....77   NORMAL.....72

DEPARTURE FROM 30-YEAR NORMAL.....+ 5
TOTAL DEPARTURE FOR THE MONTH.....- 1 (~0 DEGREES/DAY)

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY........17   WNW      AT  1:09 A.M.
                   AEROVANE........................... 21  WNW      AT   1:09 A.M.
                   ASOS.................................... 17  WNW      AT   1:09 A.M.

FASTEST MILE FOR YESTERDAY........... 14   WNW      AT 1:30 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE.....14   WNW     AT  1:32 A.M.

AVERAGE WIND SPEED AND DIRECTION...  7.6   SW
ASOS........................................................   8.3


PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT)
TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.00   DEPARTURE....-0.12
                        ASOS.............. 0.00
TOTAL PRECIPITATION FOR THE MONTH..........2.72   DEPARTURE....+0.18
                         ASOS..............2.72
TOTAL PRECIPITATION FOR THE YEAR..........33.38   DEPARTURE....+5.38
                         ASOS.............32.40*

*EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28.

PRELIMINARY CLIMATE SUMMARY FOR JULY 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

7/1   75/60/68/-2/0.02/110/12     20 SSW
7/2   80/62/71/+1/0/776/85        24 W
7/3   77/59/68/-2/0/885/97        18 ENE
7/4   81/58/70/0/0/701/77         22 SSE
7/5   86/60/73/+2/0/783/86        27 S
7/6   71/57/64/-7/*1.43/000/00    35 NNE  Aero 38 MPH NNE
7/7   62*/56/59/-12/T/000/00      30 NE
7/8   59*/53/56/-15/1.02/000/00   39 NNE
7/9   76/54/65/-6/0.09/335/37     35 W   TSTM
7/10  86/62/74/+3/0/787/87 **     32 WNW
7/11  88/66/77/+5/0/822/91        30 NW
7/12  76/60/68/-4/0/849/94           21 NE
7/13  77/59/68/-4/0/649/72        27 S
7/14  84/64/74/+2/0/0/648/72      27 SW
7/15  82/67/75/+3/0/681/76        21 NE
7/16  86/66/76/+4/0/600/67        25 S
7/17  82/67/75/+3/0/0/072/08      27 SSE
7/18  83/72/78/+6/0.15/142/16     23 S
7/19  91/72*/82/+10/0.01/508/57   25 W  TSTM
7/20  88/70/79/+7/0/863/97        23 W
7/21  86/68/77/+5/0/.../..        17 WNW

NEW RECORDS FOR JULY TO DATE....

*  7/6 - NEW RECORD DAILY PRECIP. 1.43 ins.; previous record 1.04 ins.
*  7/7 - max. temp. of 62 equaled record low maximum for date set in 1914
*  7/8 - max. temp. of 59 broke record for date; previous 63 in 1919
*  7/19 - min. temp. of 72 tied record high minimum for date set in 1949 and 1991

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

RECORDS FOR JULY 22
HIGH      99F IN 1926
LOW       52F IN 1890
PRECIP    1.73 INCHES IN 1900
PEAK GUST 55 MPH IN 1983

RECORDS FOR JULY 23
HIGH      99F IN 1952
LOW       51F IN 1923,1977
PRECIP    1.82 INCHES IN 1953
PEAK GUST 54e MPH S IN 1946

TODAY'S REPORT BY: Andrew Hoell