Sunday, June 2, 2019

| June 3, 2019 | Reply

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

Category: Daily Discussions

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