Daily Discussion
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, MAY 1, 2013
ALL TIMES ARE IN EASTERN STANDARD TIME
A FEW PRELIMINARY APRIL 2013 MONTHLY STATS
Additional stats to come next few days….
Temp: Deg. F
Av. Max. 58.1
Av. Min. 38.1
Mean 48.1 [+1.4]
Mean temp. corr. to 24 hours: 47.0
Highest 72 on 9th,19th,24th
Lowest 26 on 4th
Total heating degree day units: 503 [-48 ]
Total heating degree days for season: 5523 [-512 ]
Precipitation in inches
Total for April: 2.29
Departure from normal: -2.26
Snowfall: trace
Departure from normal: -3.0
Av. wind speed: 13.3 MPH
Av. corrected wind speed: 13.7 MPH
Peak gust registered: 51 MPH S on 7th
Prevailing direction: S 14%
Today’s observations:
7 A.M.
Weather: Clear, few cirrus mostly distant E-SE
Temperature: 55F; Dew Point: 26F; Wind: NNE at 2 kts, estimated
Sea-level pressure: 30.33 ins. Hg, rising steadily
Visibility: 50 miles, except 30 miles N-ENE thin smoke layer along the
horizon S-W-N, smoke layer NNE-NE, distant haze, inversion dissipated
6-hour min. temp: 45F
BHO SA 1155 CLR 50 312/55/26/E0202/045/ FEW CI MSTLY DSNT E-SE
VSBY N-ENE 30 THN K LYR ALG HRZN S-W-N AND K LYR NNE-NE
INVSN DSSPTD DSNT HZ ALQDS WND LGT/ 8/001 51012 10055 20045
10 A.M.
Weather: Clear, few small cumulus forming distant SE-S
Temperature: 63F; Dew Point: 22F; Wind: NNE at 7 kts,
Wind: Direction variable NNW-ENE
Sea-level pressure: 30.49 ins. Hg, rising then more slowly
Visibility: 35 miles, except 50 miles WNW, dark smoke layer
estimated top 15 hundred feet NW and layer extending WNW-N,
both along and above horizon, distant haze all quadrants
BHO SA 1455 CLR 35 326/62/27/0307/049/ FEW SML CU FRMG DSNT SE-S
DRK K LYR WNW-N ESTMTD MAX TOP 15 HND NW VSBY WNW 50 DSNT HZ ALQDS/
WND 33V07/ 8/100 51014
WEATHER SUMMARY FOR TUESDAY, APRIL 30
TEMPERATURE (DEGREES F)
MAX…..67 NORMAL…..61
MIN…..47 NORMAL…..43
MEAN….57 NORMAL…..52
DEPARTURE FROM 30-YEAR NORMAL………………..+5
TOTAL DEPARTURE FOR THE MONTH……………….+46 [+1.2 DEGREES/DAY]
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY………….8 DEPARTURE……….-5
TOTAL HEATING UNITS FOR THE MONTH………..503 DEPARTURE………-48
TOTAL HEATING UNITS FOR THE SEASON………5523 DEPARTURE……..-512
TOTAL HEATING UNITS LAST SEASON TO DATE….4714 DIFFERENCE…….+809
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………23 ENE AT 2:07 P.M.
AERO………………..21 ENE AT 2:07 P.M.
ASOS………………..23 ENE AT 2:07 P.M.
DAVIS……………….22 ENE AT 2:07 P.M. RMY: 23
THE FASTEST MILE FOR YESTERDAY………….16 ENE AT 2:08 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE…………..16 ENE AT 2:08 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE………….16 ENE AT 2:07 P.M.
AVERAGE WIND SPEED AND DIRECTION……….7.5 S
ASOS……………….7.3
DAVIS………………7.1 SSE [150 deg]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE………..-0.13
ASOS…………..0.00
TOTAL PRECIPITATION FOR APRIL…………..2.29 DEPARTURE………..-2.26
ASOS…………..2.23
TOTAL PRECIPITATION FOR THE YEAR……….16.38 DEPARTURE………..-2.17
ASOS…………..N/A*
*ASOS malfunctioned during storm on 2/8-9, leading to erroneous totals
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………0.0 DEPARTURE………… 0.0
TOTAL SNOWFALL FOR THE MONTH………….Trace DEPARTURE…………-3.0
TOTAL SNOWFALL FOR THE SEASON………….99.0 DEPARTURE………..+36.3
PRELIMINARY CLIMATE SUMMARY FOR APRIL 2013 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane wind recording system gust
RMY: RMY = R.M. Young wind gust recording system added 8/9/2011
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
4/1 61/31/46/+5/0.34/0.0/458/60 40 W AERO 44 MPH WNW RMY 46 TSTM
4/2 40/27/34/-7/T/T/460/60 45 W AERO 42 MPH W RMY 47
4/3 45/27/36/-6/0.00/0.0/755/98 44 W AERO 43 MPH W RMY 47
4/4 55/26/41/-1/0.00/0.0/719/93 30 WSW AERO 27 MPH WSW RMY 31
4/5 59/36/48/+5/0.00/0.0/403/52 33 NNW AERO 28 MPH NNW RMY 38
4/6 47/30/39/-4/0.00/0.0/747/96 38 NW AERO 35 MPH NW RMY 40
4/7 52/31/42/-1/0.00/0.0/391/50 51 S AERO 46 MPH S RMY 50
4/8 65/43/54/+10/T/0.0/494/63 29 SSW AERO 22 MPH SSW RMY N/A
4/9 72/44/58/+14/T/0.0/456/58 35 WNW AERO 35 MPH WNW RMY 39 TSTM
4/10 64/43/54/+9/0.13/0.0/426/54 23 SE AERO 20 MPH SE RMY 25
4/11 52/40/46/+1/0.09/0.0/063/08 18 ENE AERO 14 MPH ENE RMY N/A
4/12 40/34/37/-8/0.58/T/000/00 38 E AERO 32 MPH E RMY 41
4/13 52/34/43/-3/0.04/0.0/128/16 31 NNE AERO 27 MPH NNE RMY 21
4/14 52/36/44/-2/0.00/0.0/216/27 31 WNW AERO 27 MPH WNW RMY 32
4/15 55/35/45/-2/0.00/0.0/514/64 21 ESE AERO 15 MPH S RMY N/A
4/16 62/38/50/+3/T/0.0/540/67 44 S AERO 40 MPH S RMY 45
4/17 67/48/58/+11/T/0.0/769/95 29 SSW AERO 25 MPH SSW RMY N/A
4/18 65/43/54/+6/0.00/0.0/503/62 30 S AERO 25 MPH S RMY N/A
4/19 72/50/61/+13/0.07/0.0/195/24 47 SSW AERO 48 MPH SSW RMY 50
4/20 62/39/51/+2/0.48/0.0/147/18 43 SSW AERO 41 MPH SSW RMY N/A
4/21 53/31/42/-7/0.00/0.0/819/100 31 WNW AERO 25 MPH WNW RMY N/A
4/22 49/35/42/-7/0.00/0.0/…/.. 32 E AERO 28 MPH E RMY 33
4/23 40/38/39/-11/0.50/0.0/000/00 35 NNE AERO 30 MPH NNE RMY 35
4/24 72/40/56/+6/0.01/0.0/…/.. 36 SSW AERO 33 MPH SSW RMY N/A
4/25 64/44/54/+4/0.05/0.0/…/.. 38 W AERO 32 MPH W RMY N/A
4/26 58/42/50/-1/0.00/0.0/…/.. 28 ENE AERO 22 MPH ENE RMY N/A
4/27 62/42/52/+1/0.00/0.0/…/.. 21 S AERO 17 MPH S RMY 22
4/28 69/44/57/+5/0.00/0.0/…/.. 25 S AERO 21 MPH S RMY 27
4/29 69/46/58/+6/0.00/0.0/…/.. 25 S AERO 30 MPH S RMY 26
4/30 67/47/57/+5/0.00/0.0/…/.. 23 ENE AERO 21 MPH ENE RMY 23
5/1 morning low temp: 45F; the normal low is now 43F
DAILY RECORDS FOR APRIL 2013
None
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR MAY 1
HIGH 87F IN 1899
LOW 29F IN 1978
PRECIP 2.53 INCHES IN 1921
SNOWFALL TRACE IN 1905,1917,1921,1995.
PEAK GUST 57 MPH NW IN 1974
RECORDS FOR MAY 2
HIGH 92F IN 2001
LOW 29F IN 1903
PRECIP 1.36 INCHES IN 2006
SNOWFALL 1.0 INS IN 1888
PEAK GUST 58 MPH S IN 1983
TODAY’S REPORT PREPARED BY: Robert Skilling
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