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Sunday, June 1, 2014

June 2, 2014

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MADAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, JUNE 1,…

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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MADAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, JUNE 1, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

CLEAR SKIES AND SEASONABLE WARMTH TO COMPLETE THE WEEKEND

Clear skies and seasonable warmth have prevailed today, after
a generally cool and clearing Saturday. Yesterday’s maximum of
60F is 11 degrees cooler than the daily norm of 71F based on our
30 year average.

May finished on a dry note, very much like the month as a whole
which saw 3.22 inches of precipitation, nearly 1 inch below the
30 year norm of 4.11 inches. Additionally, although temperature
for the month was 1.1 degrees above the monthly norm, only one
day exceeded the 80 degree mark.

More monthly statistics and analysis will follow in the coming
days, so pleased check back on bluehillobservatory.org for more information.

THE PRELIMINARY MAY 2014 STATS

[Departures are relative to the 1981-2010 averages]

TEMPERATURE: Deg. F
Avg. Max. 67.7 [+1.4] Avg. Min. 48.3 [+0.5] Mean      58.0 [+0.9] 24-hr. corrected mean: 57.3
Max. temp: 85F on the 12th
Min. temp: 39F on the 29th
Total heating degree day units: 223 [-45] Total seasonal heating units:   6394 [+91] [Season starts 7/1] Seasonal total this date 2013:  5734 [660 more than last season]

PRECIPITATION: Inches
Total: 3.22 [-0.89] Greatest in 24 hours: 1.30 (16-17th)
Total snowfall: 0 [+/-0.0] Greatest in 24 hours: 0

WIND
Av. speed (uncorrected): 10.9 mph
Av. speed (corrected):   11.4 mph
Prevailing direction: S 12%

SUNSHINE
Total astronomical minutes: N/A of possible N/A or N/A%
Total Campbell Stokes card minutes; N/A of possible N/A or N/A%

Today’s Observations:

7 A.M.
Weather: Clear, few cirrus fibratus distant W-NNW
Temperature: 59F; Dew Point: 47F; Wind: N at 9 kts
Sea-level pressure: 30.35 ins. Hg, rising, then more quickly
Visibility: 70 miles
6-hr max temp: 59F
6-hr min temp: 47F
BHO SA 1155 CLR 70 276/59/47/0109/035/
FEW CI DSNT W-NNW/ 8/001 53011 10059 20047

10 A.M.
Weather: Clear, few cumulus distant W-N, few cirrus fibratus
SW-NE
Temperature: 68F; Dew Point: 39F; Wind: NNE at 8 kts
Sea-level pressure: 30.36 ins. Hg, rising, the steady
Visibility: 70 miles
BHO SA 1455 CLR 70 282/68/39/0308/036/
FEW CU DSNT W-N FEW CI SW-NE/ 8/101 51006

1 P.M.
Weather: Thin overcast of cirrostratus fibratus, few cumulus
S-NNW
Temperature: 70F; Dew Point: 38F; Wind: E at 9 kts
Sea-level pressure: 30.33 ins. Hg, steady, then falling
Visibility: 60 miles, light distant haze in all directions
6-hr max temp: 71F
6-hr min temp: 58F
BHO SA 1755 E250 -OVC 60 271/70/38/0809/033/
FEW CU S-NNW LGT DSNT HZ ALQDS/ 8/107 58011 10071 20058

WEATHER SUMMARY FOR SATURDAY, MAY 31, 2014

TEMPERATURE (DEGREES F)
MAX…..60    NORMAL…..71
MIN…..49    NORMAL…..52
MEAN….55    NORMAL…..61

DEPARTURE FROM 30-YEAR NORMAL……………………..-6
TOTAL DEPARTURE FOR THE MONTH…………………….+34 [+0.9 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..10  DEPARTURE……… +5
TOTAL HEATING UNITS FOR THE MONTH………….223  DEPARTURE………-45
TOTAL HEATING UNITS FOR THE SEASON………..6394  DEPARTURE………+91
TOTAL HEATING UNITS LAST SEASON TO DATE……5734  DIFFERENCE…….+660

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..0   DEPARTURE……….-1
TOTAL COOLING UNITS FOR THE MONTH………….13   DEPARTURE……….-9
TOTAL COOLING UNITS FOR THE SEASON…………13   DEPARTURE………-11
TOTAL COOLING UNITS LAST SEASON TO DATE…….31   DIFFERENCE……..-18

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………22  NE  AT 10:45 A.M.
ASOS…………………..24  NNE AT 10:45 A.M.
DAVIS………………….22  NE  AT  9:01 A.M. RMY 25
FASTEST MILE FOR YESTERDAY………………..17  NE  AT  9:02 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..18  NE  AT  9:03 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….17  NE  AT  9:02 A.M.
AVERAGE WIND SPEED AND DIRECTION…………..10.3 NE
ASOS…………………..10.7
DAVIS………………….8.9 NNE [29 deg] * Last of several occurrences…

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE………….-0.15
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….3.22  DEPARTURE………….-0.89
ASOS…………..3.21
TOTAL PRECIPITATION FOR THE YEAR……….22.34  DEPARTURE………….-0.32
ASOS………….22.71

PRELIMINARY CLIMATE SUMMARY FOR MAY 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY 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

5/1  64/43/54/+1/0.49/0.0/093/11          32 SSE RMY 36
5/2  68/51/60/+7/T/0.0/457/54             28 W   RMY 29
5/3  66/48/57/+4/0.00/0.0/332/39          21 SW  RMY N/A
5/4  60/47/54/0/0.01/0.0/400/47           51 WNW RMY 54
5/5  64/46/55/+1/T/0.0/592/70             30 NW  RMY 32
5/6  63/42/53/-1/T/0.0/506/59             30 NW  RMY 30
5/7  64/42/55/0/0.00/0.0/850/99           21 WNW RMY 23
5/8  69/48/59/+4/0.00/0.0/612/71          17 SSW RMY 19
5/9  57/51/54/-1/0.05/0.0/000/00          21 S   RMY N/A
5/10 78/57/68/+13/0.10/0.0/043/05         33 S   RMY 37
5/11 79/58/69/+13/0.01/0.0/746/86         30 W   RMY N/A
5/12 85/49/67/+11/0.00/0.0/792/91         39 NE  RMY 42
5/13 54/42/48/-8/0.00/0.0/113/13          32 NE  RMY N/A
5/14 73/42/58/+1/T/ 0.0/613/70            22 S   RMY 24
5/15 77/57/67/+10/T/0.0/140/16            27 S   RMY 33
5/16 73/60/67/+10/0.26/0.0/026/03         36 S   RMY 41
5/17 74/52/63/+6/1.04/0.0/555/63          36 SSE RMY N/A
5/18 67/47/57/-1/0.00/0.0/521/59          20 NW  RMY N/A
5/19 65/48/56/-2/0.12/0.0/443/50          35 NNW RMY 38
5/20 71/48/60/+2/T/0.0/771/89             25 NNW RMY 26
5/21 71/51/61/+2/0.00/0.0/844/95          18 ESE RMY 20
5/22 67/51/59/0/0.26/0.0/116/13           15 SSE RMY 18
5/23 60/49/55/-4/0.05/0.0/000/00          16 NE  RMY 18
5/24 65/49/57/-2/0.02/0.0/277/31          17 ENE RMY 18
5/25 71/49/60/0/0.00/0.0/430/48           20 S   RMY N/A
5/26 76/52/64/+4/0.05/0.0/108/12          30 W   RMY 34
5/27 74/47/61/+1/0.37/0.0/242/27          25 NE  RMY 31
5/28 48/40/44/-17/0.30/0.0/000/00         32 NE  RMY 35
5/29 61/39/50/-11/0.00/0.0/847/94         17 NNE RMY 18
5/30 71/45/58/-3/0.09/0.0/…/..          20 S   RMY 22
5/31 60/49/55/-6/0.00/0.0/…/..          22 NE  RMY 25

6/1 morning low temp: 47F; the normal low is now 53F

DAILY RECORDS FOR MAY 2014
None so far.

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR JUNE 1
HIGH 90F IN 1937,2013
LOW 36F IN 1945 [Record for month] PRECIP 2.28 INS IN 1992
PEAK GUST 51e MPH SE IN 1952

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

TODAY’S REPORT PREPARED BY: Brian Fitzgerald

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Blue Hill Observatory & Science Center · Legal

Data Use & Privacy Policy

Please read the full Policy before accessing Observatory data · Effective January 1, 2025

Notice: By accessing, downloading, or using any Blue Hill Observatory data or services, you unconditionally accept and agree to be bound by this Policy in its entirety. If you do not agree, you may not access or use Observatory data.
Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
Part I — Data Use Policy
§ 01

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§ 02

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§ 05

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Effective January 1, 2025 · Blue Hill Observatory & Science Center · Milton, Massachusetts
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