BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA WEDNESDAY, JULY 29, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME CONTINUING HOT TEMPERATURES ATOP OF THE GREAT BLUE HILL... Yesterday a passing shower left 0.01 inches of rain just after the 1 P.M observation cooling off the hot temperatures to the mid-80s. The high was 95 degrees which is 2 degrees off of the record of 97 degrees for the day. Few clouds this morning steadily increasing throughout the day with dew points staying in the low 60s. The high so far today is 95 degrees. This is 14 degrees above the daily normal high of 81F. The low since midnight is 68F, which is 5 degrees above the daily normal low of 63F Today's Observations: 7 A.M. Weather: Clear, Few Cirrus Temperature: 71F; Dew Point: 62F; Relative Humidity: 69% Wind: W at 9 kts Sea-level pressure: 29.84 ins. Hg: falling, then more slowly Visibility: 65 miles 6-hr Max temp: 74F 6-hr Min temp: 68F 24-hr Precip: 0.01 ins. BHO SA 1155 CLR 65 141/71/62/2809/994/ FEW CI/ 8/001 53010 70001 10074 20068 10 A.M. Weather: Scattered Cirrus Temperature: 84F; Dew Point: 61F; Relative Humidity: 45% Wind: WNW at 5 kts Sea-level pressure: 29.95 ins. Hg: rising, then falling Visibility: 60 miles 3-hr Precip: 0.00 ins. BHO SA 1455 250 SCT 60 143/84/61/3005/995/ 8/002 50002 1 P.M. Weather: Scattered Cumulus, Scattered Cirrus Temperature: 89F; Dew Point: 59F; Relative Humidity: 37% Wind: SW at 9 kts Sea-level pressure: 29.91 ins. Hg: falling, then more rapidly Visibility: 60 miles 6-hr Max temp: 95F 6-hr Min temp: 73F 6-hr Precip: 0.00 ins. BHO SA 1755 50 SCT 250 SCT 60 130/89/59/2309/991/ 8/102 58013 10089 20073 SUMMARY FOR TUESDAY, JULY 28, 2020 TEMPERATURE (DEGREES F) MAX.....95   NORMAL.....81 MIN.....74   NORMAL.....63 MEAN....85   NORMAL.....72 DEPARTURE FROM 30-YEAR NORMAL.................+13 TOTAL DEPARTURE FOR THE MONTH.................+84 [+3.0 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY.................20  DEPARTURE.......+2 TOTAL COOLING UNITS FOR THE MONTH................262  DEPARTURE.......+62 TOTAL COOLING UNITS FOR THE SEASON...............446  DEPARTURE......+117 TOTAL COOLING UNITS LAST SEASON TO DATE..........365  DEPARTURE.......+81 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................28  WSW AT 1:16 P.M.                      AERO.........................25  WSW AT 1:21 P.M.                    ASOS.........................26  W   AT 1:18 P.M.                    DAVIS........................26  W   AT 1:16 A.M                    RMY 25  MERLIN 26 FASTEST MILE FOR YESTERDAY......................18  WSW AT 1:18 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................20  W   AT 1:18 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................20  W   AT 1:18 P.M. AVERAGE WIND SPEED AND DIRECTION...............10.0 WSW                               ASOS........................10.2                    DAVIS.......................10.3 W [259 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.01  DEPARTURE......-0.13                          ASOS..............0.01 TOTAL PRECIPITATION FOR THE MONTH..........1.72  DEPARTURE......-1.84                          ASOS..............1.80 TOTAL PRECIPITATION FOR THE YEAR..........29.07  DEPARTURE......-1.46                          ASOS.............29.81 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  76/63/70/0/0.00/228/25              16 E    AERO 14 E    RMY 14  TSTM 07/02  86/61/74/4/0.00/803/88              30 WSW  AERO 25 WSW  RMY 33 07/03  73/60/67/-4/0.00/091/10             30 NE   AERO 28 NE   RMY 30 07/04  79/60/70/-1/0.00/565/62             16 S    AERO 16 S    RMY 16 07/05  83/63/73/+2/0.54/373/41             24 NW   AERO 30 NW   RMY 26  TSTM 07/06  73/60/67/-4/0.00/482/53             20 ENE  AERO 16 NNE  RMY 18 07/07  78/60/69/-2/0.00/454/50             25 S    AERO 25 S    RMY 26 07/08  83/64/74/+2/0.00/227/25             32 SSW  AERO 32 SSW  RMY 32 07/09  89/70/80/+8/0.00/834/92             24 S    AERO 23 S    RMY 22 07/10  83/70/77/+5/0.05/109/12             30 SSE  AERO 32 SSE  RMY N/A 07/11  85/70/78/+6/0.00/614/68             39 S    AERO 39 S    RMY 38 07/12  86/70/78/+6/0.00/830/92             28 WSW  AERO 28 WSW  RMY 29 07/13  82/69/76/+4/0.23/306/34             30 SSE  AERO 31 SSE  RMY 30  TSTM 07/14  78/63/71/-1/0.00/369/41             26 ENE  AERO 25 ENE  RMY 26   07/15  72/59/66/-6/0.00/539/60             21 NE   AERO 21 NE   RMY N/A 07/16  73/57/65/-7/0.00/815/91             21 E    AERO 21 E    RMY 19 07/17  71/57/64/-8/0.19/027/03             24 SSW  AERO 24 SSW  RMY 25 07/18  89/66/78/+6/0.00/822/92             18 W    AERO 17 W    RMY 19 07/19  92/69/81/+9/0.00/.../..             28 S    AERO 28 S    RMY 26 07/20  91/72/82/+10/T/.../..               25 SSW  AERO 25 SSW  RMY N/A 07/21  88/68/78/+6/0.00/.../..             25 W    AERO 25 W    RMY 24 07/22  80/67/74/+2/..../.../..             16 ENE  AERO M  M    RMY 16 07/23  88/68/78/+6/0.48/.../..             31 N    AERO 32 N    RMY 31 TSTM 07/24  81/68/75/+3/0.00/.../..             15 ENE  AERO 15 ENE  RMY 16 07/25  88/67/78/+6/0.00/.../..             18 W    AERO 18 WNW  RMY N/A 07/26  89/70/80/+8/0.00/.../..             27 W    AERO 28 W    RMY 27 07/27  94/72/83/+11/0.00/.../..            23 SW   AERO 25 SW   RMY N/A 07/28  95/74/85/+13/0.01/.../..            28 WSW  AERO 25 WSW  RMY 25 07/29 The low since midnight is 68F, the daily normal low is 63F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR JULY 29 HIGH 97F IN 1949 LOW 53F IN 1888,1914 PRECIP 1.53 INS IN 1901 PEAK GUST 40e MPH E IN 1941 RECORDS FOR JULY 30 HIGH 99F IN 1949 LOW 51F IN 1956 PRECIP 1.84 INS IN 1976 PEAK GUST 70e MPH SW 1944 TODAY'S REPORT PREPARED BY: Nicholas Rousseau