BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, JUNE 2, 2019 ALL TIMES ARE IN EASTERN STANDARD TIME MORNING FOG BREAKS FOR A CLEARER, LESS HUMID AFTERNOON... This morning started foggy with temperatures in the low 50's. These conditions persisted for a majority of the morning until around 10 A.M., when temperatures began to increase, and fog began to lift. Since then, visibility has increased quite a bit, making Mount Wachusett faintly visible in the distance. Our high temperature so far today is 75F, and our low since midnight is 51F. Today's Observations: 7 A.M. Weather: Fog Temperature: 52F; Dew Point: 52F; Wind: ENE at 2 kts, Wind: calm Sea-level pressure: 29.78 ins. Hg, falling then rising Visibility: 1/8 mile, fog 6-hr Max temp: 54F 6-hr Min temp: 51F 24-hr Precip: 0.00 ins. 24-hr snowfall: 0.0 ins. Snow depth: 0 ins. BHO SA 1155 W3 X 1/8F 086/52/52/0702/978/ FOG WND CALM/ 8//// 53007 10054 20051 10 A.M. Weather: Broken stratus, few cumulus in all directions Temperature: 59F; Dew Point: 55F; Wind: SSE at 1 kt, Wind: calm Sea-level pressure: 29.78 ins. Hg, falling then rising Visibility: 35 miles, distant haze 3-hr Precip: 0.00 ins. BHO SA 1455 E40 BKN 35 084/59/55/1601/978/ FEW CU ALQDS DSNT HZ ALQDS WND CALM/ 8/8// 55002 1 P.M. Weather: Scattered cumulus, distant fog NNE-ESE Temperature: 75F; Dew Point: 58F; Wind: S at 9 kts Sea-level pressure: 29.72 ins. Hg, falling, then more quickly Visibility: 40 miles, hazy 6-hr Max temp: 75F 6-hr Min temp: 52F 6-hr Precip: 0.00 ins. BHO SA 1755 35 SCT 40 066/75/58/1909/972/ DSNT FOG NNE-ESE HAZY/ 8/100 58018 10075 20052 SUMMARY FOR SATURDAY, JUNE 1, 2019 TEMPERATURE (DEGREES F) MAX.....71 NORMAL.....71 MIN.....54 NORMAL.....53 MEAN....63 NORMAL.....62 DEPARTURE FROM 30-YEAR NORMAL......................+1 TOTAL DEPARTURE FOR THE MONTH......................+1 [+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...............2 DEPARTURE.........+3 TOTAL HEATING UNITS FOR THE SEASON...........6221 DEPARTURE........-87 TOTAL HEATING UNITS LAST SEASON TO DATE......5847 DIFFERENCE......+374 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............0 DEPARTURE.........-2 TOTAL COOLING UNITS FOR THE MONTH...............0 DEPARTURE.........-4 TOTAL COOLING UNITS FOR THE SEASON..............8 DEPARTURE........-18 TOTAL COOLING UNITS LAST SEASON TO DATE........67 DEPARTURE........-59 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................21 E AT 3:14 P.M. AERO.........................20 E AT 3:30 P.M. ASOS.........................18 E AT 2:56 P.M. DAVIS........................18 E AT 2:41 P.M. RMY 18 FASTEST MILE FOR YESTERDAY......................14 E AT 3:14 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................14 E AT 3:14 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................14 E AT 3:14 P.M. AVERAGE WIND SPEED AND DIRECTION................6.4 NE ASOS.........................7.0 DAVIS........................7.1 E [88 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE.......-0.16 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.00 DEPARTURE.......-0.16 ASOS..............0.00 TOTAL PRECIPITATION FOR THE YEAR..........25.89 DEPARTURE.......+3.06 ASOS.............25.61 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/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 06/01 71/54/63/+1/0.00/0.0/.../.. 21 E AERO 20 E RMY 18 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 2 HIGH 91F IN 1895 LOW 41F IN 1907, 1929 PRECIP 2.36 INS IN 1982 SNOWFALL TRACE IN 1907 (IP) PEAK GUST 63 MPH NW IN 2000 RECORDS FOR JUNE 3 HIGH 98F IN 1919 LOW 38F IN 1929 PRECIP 2.40 INS 2006 PEAK GUST 47 MPH NW IN 1998 TODAY'S REPORT PREPARED BY: Samantha Richard