BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA THURSDAY, JULY 2, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME PARTLY CLOUDY WITH AN INCREASE OF VISIBILITY AFTER SOME MORNING FOG.... We observed fog and low clouds this morning that dissipated quickly after the 7 A.M. observation. Visibility increased from 15 miles this morning to 50 miles in the afternoon, with a distant cumulonimbus cloud being seen to the northwest at 1 P.M. Wind remained low today, only reaching a max of 12 mph. The average wind speed was 6 mph or less. The high so far today is 84 degrees, this is 5 degrees below the daily normal high of 79F. The low since midnight is 61F, which is a degree below the daily normal low of 62F. Today's Observations: 7 A.M. Weather: Scattered stratocumulus Temperature: 66F; Dew Point: 65F; Relative Humidity: 97% Wind: W at 3 kts, wind light and variable Sea-level pressure: 29.84 ins. Hg: rising, then more slowly Visibility: 15 miles, hazy 6-hr Max temp: 66F 6-hr Min temp: 61F 24-hr Precip: 0.01 ins. 24-hr Frozen:  0.0 ins. BHO SA 1155 20 SCT 15 104/66/65/2703/984/ WND L/V HAZY/ 8/400 70001 50005 10066 20061 10 A.M. Weather: Scattered cumulus Temperature: 77F; Dew Point: 64F; Relative Humidity: 65% Wind: SW at 3 kts, wind light and variable Sea-level pressure: 29.82 ins. Hg: falling steadily Visibility: 40 miles 3-hr Precip:  0.00 ins. 3-hr Frozen:   0.0 ins. BHO SA 1455 40 SCT 40 096/77/64/2203/982/ WND L/V/ 8/100 58008 1 P.M. Weather: Scattered cumulus, distant cumulonimbus to the NW Temperature: 84F; Dew Point: 63F; Relative Humidity: 50% Wind: W at 5 kts, light Sea-level pressure: 29.79 ins. Hg: falling steadily Visibility: 50 miles 6-hr Max temp: 84F 6-hr Min temp: 66F 6-hr Precip:  0.00 ins. 6-hr Frozen:   0.0 ins. BHO SA 1755 40 SCT 50 089/84/63/2705/979/ DSNT CB NW WND LGT/ 8/300 58007 10084 20066 SUMMARY FOR WEDNESDAY, JULY 1, 2020 TEMPERATURE (DEGREES F) MAX.....76   NORMAL.....79 MIN.....63   NORMAL.....61 MEAN....70   NORMAL.....70 DEPARTURE FROM 30-YEAR NORMAL.................  0 TOTAL DEPARTURE FOR THE MONTH.................  0 [-0.2 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY................ 5  DEPARTURE....... -1 TOTAL COOLING UNITS FOR THE MONTH.................5  DEPARTURE........-1 TOTAL COOLING UNITS FOR THE SEASON..............189  DEPARTURE.......+54 TOTAL COOLING UNITS LAST SEASON TO DATE..........95  DEPARTURE.......+94 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................16 E   AT 12:57 P.M.                      AERO.........................14 E   AT 12:57 P.M.                     ASOS.........................16 ENE AT 12:55 P.M.                    DAVIS........................15 E   AT 12:49 P.M RMY 14 FASTEST MILE FOR YESTERDAY......................10 E   AT  1:18 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................13 E   AT 12:58 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................13 E   AT 12:57 P.M. AVERAGE WIND SPEED AND DIRECTION.............. 3.9 SSW                                ASOS....................... 4.8                    DAVIS...................... 4.5 SSW [204 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.01  DEPARTURE......-0.10                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.01  DEPARTURE......-0.10                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE YEAR..........27.36  DEPARTURE......+0.38                          ASOS.............28.01 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  64/42/53/-9/T/0.0/000/00            28 WNW  AERO 29 WNW RMY 28 06/02  72/45/59/-3/..../0.0/689/76         28 W    AERO 27 W   RMY 28 06/03  79/55/67/+5/T/0.0/400/44            29 W    AERO 28 W   RMY 26 06/04  87/62/75/+12/..../0.0/673/74        26 W    AERO 25 S   RMY N/A 06/05  80/65/73/+10/..../0.0/300/33        28 SSW  AERO 28 SSW RMY N/A TSTM 06/06  86/57/72/+9/..../0.0/301/33         55 SW   AERO 59 SW  RMY 59  TSTM 06/07  68/54/61/-3/0.00/0.0/255/28         24 NW   AERO 24 NW  RMY N/A 06/08  77/51/64/0/0.00/0.0/866/95          25 W    AERO 24 W   RMY 25 06/09  77/60/69/+5/T/0.0/110/12            23 E    AERO 21 E   RMY N/A 06/10  70/58/64/-1/T/0.0/658/72            25 E    AERO 24 E   RMY N/A 06/11  71/64/68/+3/0.62/0.0/165/18         40 S    AERO 40 S   RMY 42 06/12  82/63/73/+8/0.00/0.0/705/77         26 W    AERO 25 W   RMY 27 06/13  71/53/62/-3/0.00/0.0/669/73         21 WNW  AERO 20 WNW RMY N/A             06/14  67/49/58/-8/0.00/0.0/852/93         21 E    AERO 21 ENE RMY 21 06/15  67/53/60/-6/5/0/0.0/705/77          21 NE   AERO 16 ENE RMY 20 06/16  73/54/64/-2/0.00/0.0/889/97         18 E    AERO 18 E   RMY 18 06/17  78/57/68/+1/0.00/0.0/889/97         20 S    AERO 20 S   RMY 20 06/18  86/59/73/+6/0.00/0.0/715/78         22 S    AERO 22 SSW RMY 22 06/19  86/66/76/+9/0.00/0.0/789/86         22 S    AERO 22 S   RMY 21 06/20  90/65/78/+10/0.00/0.0/834/91        22 S    AERO 21 S   RMY 21 06/21  90/66/78/+10/0.83/0.0/514/56        33 ESE  AERO 35 ESE RMY 33  TSTM 06/22  77/65/71/+3/0.00/0.0/.../..         15 E    AERO 17 S   RMY 14 06/23  85/65/75/+7/0.00/0.0/.../..         27 S    AERO 24 S   RMY 26 06/24  84/66/75/+6/0.00/0.0/.../..         25 S    AERO 24 S   RMY 25 06/25  84/63/74/+5/0.00/0.0/.../..         29 W    AERO 29 W   RMY 29 06/26  83/65/74/+5/0.02/0.0/.../..         25 S    AERO 25 S   RMY 27 06/27  82/65/74/+5/0.05/0.0/.../..         21 S    AERO 20 S   RMY 20 06/28  84/62/73/+3/3.27/0.0/.../..         35 W    AERO 33 N   RMY 37  TSTM 06/29  71/61/66/-4/..../0.0/.../..         18 NE   AERO 18 NE  RMY 18  TSTM 06/30  68/62/65/-5/..../.../.../..         14 ENE  AERO 14 ENE RMY 13 Record rainfall on the 28th of 3.27". Old record 2.09" in 1938 PRELIMINARY CLIMATE SUMMARY FOR JULY 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 07/01  76/63/70/0/0.01/.../.../..          16 E    AERO 14 E   RMY 14 07/02  The low since midnight is 63F, the daily normal low is 61F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR JULY 2 HIGH 95F IN 1963 LOW 47F IN 1988 PRECIP 1.42 INS IN 1986 PEAK GUST 45 MPH SW IN 1999 RECORDS FOR JULY 3 HIGH 99F IN 1911 LOW 47F IN 1914 PRECIP 1.36 IN 1985 PEAK GUST 52 MPH NW IN 1963 TODAY'S REPORT PREPARED BY: Benjamin Turner