BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, JUNE 3, 2019 ALL TIMES ARE IN EASTERN STANDARD TIME PARTLY CLOUDY WITH GOOD VISIBILITY AND INCREASING WIND IN THE AFTERNOON.... Visibility this morning was 80 miles, but decreased to 70 by 10 A.M. due to a distant haze. Rainfall overnight left 0.04 inches in the gauge, measured at 7 A.M. Wind increased later on this morning, with the average wind speed currently being 20 mph. The highest gust so far today is 40 mph following the 1 P.M. observation. Wind has remained westerly throughout the day, supplying the area with some cold air. Despite sunny conditions, temperatures today have remained consistent with seasonal averages for this reason. The high so far today is 68F, 3 degrees below the daily normal maximum of 71F. The low since midnight is 51F, 2 degrees below the normal minimum of 53F. Today's Observations: 7 A.M. Weather: Scattered cirrostratus, few altocumulus NE-S Temperature: 56F; Dew Point: 35F; Wind: W at 11G18 kts Sea-level pressure: 29.80 ins. Hg, rising steadily Visibility: 80 miles 6-hr Max temp: 56F 6-hr Min temp: 51F 24-hr Precip: 0.04 ins. 24-hr snowfall: 0.0 ins. Snow depth: 0 ins. BHO SA 1155 250 SCT 80 091/56/35/2711G18/980/ FEW AC NE-S/ 8/075 53025 10056 20051 10 A.M. Weather: Scattered cirrostratus, few cumulus Temperature: 64F; Dew Point: 33F; Wind: WNW at 13G24 kts, Peak wind: 30 MPH (26 kts) WNW @ 9:45 A.M. Sea-level pressure: 29.80 ins. Hg, falling then rising Visibility: 70 miles, distant haze 3-hr Precip: 0.00 ins.   BHO SA 1455 250 SCT 70 092/64/33/2913G24/980/ FEW CU DSNT HZ ALQDS PK WND 2926/45/ 8/105 55001 1 P.M. Weather: Scattered cirrostratus, few cumulus Temperature: 68F; Dew Point: 31F; Wind: W at 14G30 kts, Peak wind: 35 MPH (30 kts) W at 12:53 P.M. Sea-level pressure: 29.77 ins. Hg, falling, then more quickly Visibility: 70 miles, distant haze 6-hr Max temp: 68F 6-hr Min temp: 56F 6-hr Precip: 0.00 ins. BHO SA 1755 250 SCT 70 082/68/31/2614G30/977/ FEW CU DSNT HZ ALQDS PK WND 2630/53/ 8/105 58010 10068 20056 SUMMARY FOR SUNDAY, JUNE 2, 2019 TEMPERATURE (DEGREES F) MAX.....75   NORMAL.....71 MIN.....51   NORMAL.....53 MEAN....63   NORMAL.....62 DEPARTURE FROM 30-YEAR NORMAL......................+1 TOTAL DEPARTURE FOR THE MONTH......................+2 [+0.8 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............2   DEPARTURE.........-3 TOTAL HEATING UNITS FOR THE MONTH...............4   DEPARTURE.........-6 TOTAL HEATING UNITS FOR THE SEASON...........6223   DEPARTURE........-89 TOTAL HEATING UNITS LAST SEASON TO DATE......5847   DIFFERENCE......+376 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............0   DEPARTURE.........-2 TOTAL COOLING UNITS FOR THE MONTH...............0   DEPARTURE.........-3 TOTAL COOLING UNITS FOR THE SEASON..............8   DEPARTURE........-19 TOTAL COOLING UNITS LAST SEASON TO DATE........69   DEPARTURE........-61 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................23 S   AT 6:03 P.M.                    AERO.........................21 S   AT 6:00 P.M.                    ASOS.........................22 NNE AT 6:03 P.M.                    DAVIS........................24 S   AT 5:44 P.M.  RMY N/A FASTEST MILE FOR YESTERDAY......................16 S   AT 5:14 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................16 S   AT 5:13 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................16 S   AT 5:13 P.M. AVERAGE WIND SPEED AND DIRECTION................7.2 NE                    ASOS.........................7.5                    DAVIS........................7.6 SE [130 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.04  DEPARTURE.......-0.12                          ASOS..............0.03 TOTAL PRECIPITATION FOR THE MONTH..........0.04  DEPARTURE.......-0.12                          ASOS..............0.03 TOTAL PRECIPITATION FOR THE YEAR..........25.93  DEPARTURE.......+2.94                          ASOS.............25.76 PRELIMINARY CLIMATE SUMMARY FOR MAY CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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 M:    Missing data 05/01 57/40/49/-4/0.00/0.0/.../..           21 S   AERO 21 SSE  RMY 21 05/02 45/41/43/-10/0.02/0.0/.../..          21 NE  AERO 21 SSW  RMY 20 05/03 60/43/52/-1/..../0.0/.../..           23 S   AERO 23 S    RMY 22 05/04 54/46/50/-4/..../0.0/.../..           14 ENE AERO 14 ENE  RMY 17 05/05 52/44/48/-6/0.00/0.0/.../..           18 NE  AERO 20 NE   RMY N/A 05/06 58/44/51/-3/..../0.0/.../..           25 NE  AERO 26 ENE  RMY 24 05/07 72/41/57/+2/0.12/0.0/.../..           30 S   AERO 29 S    RMY 30 05/08 67/48/58/+3/0.00/0.0/.../..           20 NE  AERO 20 NE   RMY 19 05/09 60/43/52/-3/0.00/0.0/.../..           21 SE  AERO 21 E    RMY 22 05/10 61/46/54/-1/0.16/0.0/.../..           35 S   AERO 37 S    RMY 37 05/11 68/50/59/+3/..../.../.../..           26 NW  AERO M  M    RMY N/A 05/12 50/36/43/-13/0.68/.../.../..          30 ENE AERO M  M    RMY N/A 05/13 52/38/45/-11/..../.../.../..          35 E   AERO M  M    RMY 34 05/14 44/38/41/-16/..../.../.../..          26 NNE AERO M  M    RMY 25 05/15 58/40/49/-8/..../.../.../..           28 NW  AERO M  M    RMY 28 05/16 68/46/57/0/..../.../.../..            17 NW  AERO M  M    RMY 19 05/17 64/49/57/0/..../.../.../..     22 WNW AERO 21 WNW  RMY 25 05/18 72/49/61/+3/..../.../.../..           26 SSE AERO 25 SSE  RMY 29 05/19 69/50/60/+2/..../.../.../..           39 S   AERO 43 SSE  RMY 42 05/20 85/52/69/11/..../.../.../..     35 SW  AERO 40 SW   RMY 39 05/21 69/52/61/+2/0.00/.../.../..           40 NW  AERO 46 NW   RMY 45 05/22 68/49/59/0/0.00/.../.../..            32 NNW AERO 29 NW   RMY N/A 05/23 68/48/58/-1/..../.../.../..     36 SSW AERO 37 SSW  RMY 40 05/24 68/47/58/-1/..../.../.../..    47 NW  AERO 47 NW   RMY 51 05/25 75/47/61/+1/..../.../.../..     M  M   AERO 35 SSW  RMY 39 05/26 85/49/67/+7/..../0.0/.../..           40 W   AERO 38 W    RMY 39 05/27 76/57/67/+7/..../0.0/.../..           30 NE  AERO 22 NE   RMY 27 05/28 57/48/53/-8/..../0.0/.../..           26 E   AERO 22 ESE  RMY 25 05/29 51/45/48/-13/..../0.0/.../..          21 NNW AERO 21 NNW  RMY N/A 05/30 63/46/55/-6/..../0.0/.../..     23 S   AERO 23 S    RMY 25 05/31 72/54/63/2/..../0.0/.../..     28 N   AERO 23 N    RMY 26 PRELIMINARY CLIMATE SUMMARY FOR JUNE 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 M:    Missing data 06/01 71/54/63/+1/0.00/.../..               21 E  AERO 20 E  RMY 18 06/02 75/51/63/+1/..../.../..               23 S  AERO 21 S  RMY N/A 06/03 Low temp since midnight is 51F; normal low is 53F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JUNE 3 HIGH 98F IN 1919 LOW 38F IN 1929 PRECIP 2.40 INS 2006 PEAK GUST 47 MPH NW IN 1998 RECORDS FOR JUNE 4 HIGH 99F IN 1919 [Record for month] LOW 41F IN 1915,1926 PRECIP 1.52 INS IN 2007 PEAK GUST 48 MPH SSE IN 1983 TODAY'S REPORT PREPARED BY: Benjamin Turner