BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, MAY 9, 2014 ALL TIMES ARE IN EASTERN STANDARD TIME   COOL, CLOUDY AND BECOMING FOGGY WITH DRIZZLE   Temperatures have only risen to 54F by 2 P.M. EDT from a low this morning of 51F.  Light drizzle began along with some light rain this morning with 0.03 accumulation recorded through early this afternoon.   Today's Observations:   7 A.M. Weather: Overcast stratus, thin fog Temperature: 51F; Dew Point: 49F; Wind: ENE at 7 kts Sea-level pressure: 30.22 ins. Hg, rising then more slowly  Visibility: 8 miles, thin fog, except 9 miles N 6-hr max temp: 54F 6-hr min temp: 51F 24-hr precip: None BHO SA 1155 E5 OVC 8 234/51/49/0607/022/ THN F ALQDS VSBY N 9/ 8/6// 51014 10054 20051   10 A.M. Weather: Overcast stratus, light drizzle occurring, thin fog Temperature: 53F; Dew Point: 53F; Wind: ENE at 3 kts Wind Speed: Light Sea-level pressure: 30.24 ins. Hg, rising slightly Visibility: 1 1/2 miles, light drizzle and thin fog  3-hour precip: 0.01 in. (manual) BHO SA 1455 E5 OVC 11/2L-F 240/53/53/0703/024/ REUKN/ 8/6// 51006 MANUAL 6001/ ASOS 60000   1 P.M.  Weather: Obscured with fog, light drizzle and fog Temperature: 52F; Dew Point: 52F; Wind: ENE at 4 kts Sea-level pressure: 30.23 ins. Hg, decreasing steadily Visibility: 1/16 mile BHO SA 1755 W3 X 1/16L-F 236/52/52/0704/023/ 8//// 55000 ASOS 60003 MANUAL 6003/ 10054 20051   WEATHER SUMMARY FOR THURSDAY, MAY 8, 2014   TEMPERATURE (DEGREES F) MAX.....69    NORMAL.....64 MIN.....48    NORMAL.....46 MEAN....59    NORMAL.....55   DEPARTURE FROM 30-YEAR NORMAL..........................+4 TOTAL DEPARTURE FOR THE MONTH.........................+16 [+1.8 DEGREES/DAY]   HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............6  DEPARTURE..........-4 TOTAL HEATING UNITS FOR THE MONTH..............73  DEPARTURE.........-20      TOTAL HEATING UNITS FOR THE SEASON...........6244  DEPARTURE........+117      TOTAL HEATING UNITS LAST SEASON TO DATE......5603  DIFFERENCE.......+641   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY..................17 SSW  AT  1:24 P.M.                     ASOS.......................19 S    AT  2:07 P.M.                      DAVIS......................17 S    AT  2:06 P.M. RMY 19 FASTEST MILE FOR YESTERDAY................... 13 SSW  AT  7:24 P.M.    MAXIMUM 2-MINUTE ASOS AVERAGE.................14 SSW  AT  7:24 P.M.  MAXIMUM 2-MINUTE DAVIS AVERAGE................13 SSW  AT  7:24 P.M.  AVERAGE WIND SPEED AND DIRECTION..............7.2 SW                           ASOS.......................7.3                        DAVIS......................6.8 SW  [230 deg] * Last of several occurrences...   PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE.............-0.13                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.50  DEPARTURE.............-0.50                                ASOS..............0.51 TOTAL PRECIPITATION FOR THE YEAR..........19.62  DEPARTURE.............+0.07                          ASOS.............20.04   SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE...............0.0 TOTAL SNOWFALL FOR THE MONTH................0.0  DEPARTURE...............0.0 TOTAL SNOWFALL FOR THE SEASON..............85.6  DEPARTURE.............+22.9   PRELIMINARY CLIMATE SUMMARY FOR MAY 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:  R.M. Young wind gust recording system TSTM: Thunderstorm day (thunder heard some time during day) ....: Data not yet available, records not finalized   5/1  64/43/54/+1/0.49/0.0/.../..          32 SSE RMY 36 5/2  68/51/60/+7/T/0.0/.../..             28 W   RMY 29 5/3  66/48/57/+4/..../0.0/.../..          21 SW  RMY N/A  5/4  60/47/54/0/0.01/0.0/.../..           51 WNW RMY 54 5/5  64/46/55/+1/T/0.0/.../..             30 NW  RMY 32 5/6  63/42/53/-1/T/0.0/.../..             30 NW  RMY 30 5/7  64/42/55/0/0.00/0.0/.../..           21 WNW RMY 23 5/8  69/48/59/0.00/0.0/.../..             17 SSW RMY 19   5/9  morning low temp: 51F; the normal low is now 46F   DAILY RECORDS FOR MAY 2014 None so far.   DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):       RECORDS FOR MAY 9 HIGH 93F IN 2000 LOW 31F IN 1947 PRECIP 2.72 INCHES IN 1954 SNOWFALL 5.0 INS IN 1977 (RECORD FOR MAY) PEAK GUST 70e MPH NE IN 1977   RECORDS FOR MAY 10 HIGH 93F IN 1896 LOW 29F IN 1900 PRE 1.85 INS IN 1998 SNOW 2.8 INS 1977 (7.8 INS TOTAL 5/9-5/10 1977) PEAK GUST 64 MPH S IN 1990   TODAY'S REPORT PREPARED BY: Robert Skilling