Thursday, April 7, 2016

DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, APRIL 7, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME

TEMPS RISE TO ABOVE NORMAL AFTER 4 CONSECUTIVE VERY COLD DAYS
RISING TEMPS. OVERNIGHT GO FROM MID 30’S EARLY EVEING TO 50 THIS MORNING
SOUTH WINDS GUSTING TO AROUND 50 MPH THIS MORNING

Temperatures rose from 21 degrees yesterday morning to 56 degrees
late this morning before falling back a few degrees as steady rain
began just before 11 A.M. EDT.  A half inch had fallen
by mid-afternoon as moderate rain continued.  Winds
from the south gusted close to 50 MPH during this morning.

BHO Lowest April Daily Maximum Temperature, deg F (1885-2016):

1) 21 on 7 April 1982
2) 27 on 1 April 1923
3) 28 on 6 April 1982
28 on 4 April 2016
5) 29 on 2 April 1911
6) 30 on 5 April 1995

BHO Snowiest April, inches (1886-2016):

1) 24.2 in 1996
2) 21.5 in 1894
3) 19.0 in 1887
4) 16.2 in 1916
5) 15.4 in 1907
6) 15.1 in 1997
7) 15.0 in 2016 (thru 4/6)
8) 14.0 in 1982
9) 13.5 in 1987
10) 12.2 in 1917

The 24-hour corrected mean temperature for March of 40.7 deg F
ties for the eighth warmest on record. It’s been a warm start
to the year, and the first three months of 2016 were the
fourth warmest on record.

BHO Warmest March, deg F (1885-2016):

1) 43.5 in 1946
2) 43.4 in 2012
3) 42.7 in 1945
4) 42.2 in 1903
5) 41.5 in 2010
6) 41.2 in 1921
7) 40.8 in 2000
8) 40.7 in 1977
40.7 in 2016
10) 40.5 in 1973

BHO Warmest Jan-Mar, deg F (1885-2016):

1) 36.3 in 2012
2) 35.0 in 2002
3) 34.7 in 1998
4) 34.1 in 2016
5) 33.9 in 1990
6) 33.2 in 1953
7) 33.0 in 2006

PRELIMINARY STATS FOR MARCH 2016

TEMPERATURE, Deg. F
Avg. Max. 49.7 [+5.4] Avg. Min. 32.3 [+5.7] Mean      41.0 [+5.5] 24-hour corrected mean: 40.7
Max. for month: 75 on 9th
Min. for month: 16 on 3rd

HEATING DEGREE DAYS
Total heating units: 736 [-180] Total for the season: 4419 [-1065] Total for last season: 5743

PRECIPITATION, Inches
Total: 3.21 [-2.37] Greatest in 24 hrs: N/A

SNOWFALL, Inches
Total: 4.4 [-8.3] Greatest in 24 hrs: N/A

WIND, mph
Avg. uncorrected wind speed: 12.9
Avg. corrected wind speed: 13.2
Prevailing wind direction: S at 10%
Peak gust and direction: 63 S on the 31st

SUNSHINE:
Campbell-Stokes card minutes: 10386 mins. of possible 21516 or 48%
Astronomical total minutes:   10763 mins. of possible 22286 or 48%

Today’s Observations:

7 A.M.
Weather: Scattered stratocumulus, overcast altostratus, light rain showers,
showers of rain vicinity N-NE, rain very light at station
Temperature: 50F; Dew Point: 46F; Wind: S at 24G34 kts
Wind: Peak wind S at 34 kts at 6:54 a.m.
Sea-level pressure: 29.86 ins. Hg, falling then more slowly
Visibility: 15 miles, except 12 N and 8 NNE
6-hr Max temp: 50F
6-hr Min temp: 43F
24-hr precip: 0.04 in.
snow depth: 1 in.
BHO SA 1155 35 SCT 65 SCT E130 OVC 15RW- 113/50/46/1824G34/986/
FEW STFRA FEW SC CUFRM TOPS SHRA VC N-NE PCPN VRY LGT PK WND 1734/54/
8/81/ 4/001 56009 MANUAL 6004/ ASOS 60003 MANUAL 70004 ASOS 70003
10050 20043

10 A.M.
Weather: Broken stratocumulus, overcast stratocumulus
light rain, showers of rain SW-W moving NE
Temperature: 55F; Dew Point: 50F; Wind: S at 27G40 kts,
Wind: Peak wind from S at 40 kts at 9:45 A.M.
Sea-level pressure: 29.78 ins. Hg, falling then more rapidly
Visibility: 15 miles light rain
3-hour precip.: 0.02 inches
BHO SA 1455 E23 BKN 30 OVC 15R- 084/55/50/1727G40/978/ BRGHT SPTS IOVC
SHRA SW-W MOVG NE VSBY WSW 6 NE 20/ 8/5// 58029 ASOS 60002 MANUAL 6002/

1 P.M.
Weather: Broken variable overcast stratus fractus, overcast nimbostratus,
moderate rain and fog
Temperature: 53F; Dew Point: 53F; Wind: SSE at 23G35 kts,
Wind: Peak wind: S @ 35 kts at 12:46 p.m.
Sea-level pressure: 29.67 ins. Hg, falling, then more quickly
Visibility: 3 miles, modt. rain and fog
6-hr Max temp: 56F
6-hr Min temp: 50F
6-hr rainfall: 0.37 in.
BHO SA 1755 E7 BKN 16 OVC 3RF 046/53/53/1623G35/967/ CIG RGD 7
BKNVOVC PK WND 1735/46 WND 12V18/ 8/72/ 58038 ASOS 60035 MANUAL 6037/
10056 20050

SUMMARY FOR TUESDAY, APRIL 6, 2016

TEMPERATURE (DEGREES F)
MAX…..41   NORMAL…..51
MIN…..21   NORMAL…..34
MEAN….31   NORMAL…..43

DEPARTURE FROM 30-YEAR NORMAL……………………-12
TOTAL DEPARTURE FOR THE MONTH……………………-30 [-5.2 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..34   DEPARTURE………+12
TOTAL HEATING UNITS FOR THE MONTH………….168   DEPARTURE………+30
TOTAL HEATING UNITS FOR THE SEASON………..4587   DEPARTURE…….-1035
TOTAL HEATING UNITS LAST SEASON TO DATE……5881   DIFFERENCE……-1294

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….36 S   AT  4:09 P.M.
ASOS……………………35 S   AT  4:09 P.M.
DAVIS…………………..37 S   AT  3:09 P.M. RMY N/A
FASTEST MILE FOR YESTERDAY…………………28 S   AT  4:10 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………29 S   AT  4:10 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..27 S   AT  4:10 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..12.3 S
ASOS…………………..12.5
DAVIS………………….11.2 S [190 Deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.04  DEPARTURE……-0.13
ASOS…………..0.03
TOTAL PRECIPITATION FOR THE MONTH……….1.86  DEPARTURE……+0.84
ASOS…………..2.07
TOTAL PRECIPITATION FOR THE YEAR……….14.44  DEPARTURE……-0.58
ASOS………….15.08

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…….-0.2
TOTAL SNOWFALL FOR THE MONTH……………15.0  DEPARTURE……+13.9
TOTAL SNOWFALL FOR THE SEASON…………..57.5  DEPARTURE…….-3.8

PRELIMINARY CLIMATE SUMMARY FOR MARCH 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)
3….: Data not yet available, records not finalized

3/1   45/30/38/+7/0.00/0.0/602/89           54 W   AERO 60 W   RMY 53
3/2   52/21/37/+6/0.41/0.0/204/30           44 WNW AERP 47 NW  RMY 42
3/3   34/16/25/-7/0.00/0.0/641/94           30 WNW AERO 36 WNW RMY N/A
3/4   30/24/27/-5/0.04/0.5/000/00           32 N   AERO 38 N   RMY 34
3/5   35/20/28/-4/0.00/0.0/536/78           31 N   AERO 36 N   RMY N/A
3/6   40/25/33/+1/0.00/0.0/593/86           21 SSE AERO 21 SSE RMY N/A
3/7   49/29/39/+6/0.00/0.0/173/25           43 SSW AERO 48 SSW RMY 45
3/8   55/35/45/+12/0.00/0.0/647/93          23 S   AERO 24 S   RMY N/A
3/9   75/38/57/+24/0.00/0.0/594/85          32 S   AERO 36 S   RMY 33
3/10  64/50/57/+24/0.19/0.0/000/00          31 NNW AERO 38 NNW RMY 32
3/11  56/38/47/+13/0.10/0.0/331/47          28 NNW AERO 36 NNW RMY 29
3/12  58/31/45/+11/0.00/0.0/650/92          30 SW  AERO 33 SW  RMY 30
3/13  63/46/55/+21/0.00/0.0/525/74          32 NW  AERO 35 NW  RMY 30
3/14  46/36/41/+6/0.36/T/000/00             32 E   AERO 33 E   RMY N/A
3/15  45/39/42/+7/1.05/0.0/000/00           36 ENE AERO 38 ENE RMY 34
3/16  48/39/44/+9/0.05/0.0/036/05           25 E   AERO 28 E   RMY N/A
3/17  63/40/52/+16/0.11/0.0/361/50          44 NW  AERO 48 NW  RMY 45
3/18  51/33/42/+6/0.01/0.0/305/42           43 WNW AERO 45 WNW RMY 43
3/19  44/25/35/-1/0.00/0.0/706/97           25 NNW AERO 28 NNW RMY 26
3/20  35/23/29/-8/…./…/387/53           25 NE  AERO 28 NE  RMY 25
3/21  41/26/34/-3/…./…/323/44           30 WNW AERO 33 WNW RMY 32
3/22  48/28/38/+1/…./…/684/93           33 W   AERO 37 W   RMY 36
3/23  62/39/51/+13/0.01/0.0/007/01          35 NE  AERO 40 NE  RMY 39
3/24  39/34/37/-1/…./0.0/015/02           31 ENE AERO 33 ENE RMY 32
3/25  55/37/46/+8/…./…/007/01           22 NNW AERO 22 NNW RMY 24
3/26  43/30/37/-2/0.00/0.0/269/36           22 N   AERO 24 N   RMY N/A
3/27  46/30/38/-1/0.00/0.0/376/50           23 SSE AERO 24 SSE RMY 22
3/28  43/35/39/+0/0.41/0.0/000/00           33 W   AERO N/A    RMY N/A
3/29  50/34/42/+2/0.00/0.0/499/66           46 WNW AERO N/A    RMY 46
3/30  58/29/44/+4/0.00/0.0/713/94           33 S   AERO N/A    RMY N/A
3/31  69/41/55/+14/0.00/0.0/579/76          63 S   AERO N/A    RMT 65

4/1   66/54/60/+19/…./0.0/…/..          39 SSW AERO N/A    RMY 43
4/2   54/40/47/+6/…./0.0/…/..           23 SSW AERO N/A    RMY N/A
4/3   40/23/32/-10/…./7.7/…/..          46 W   AERO N/A    RMY 55
4/4   28/21/25/-17/0.68/7.3/000/00          29 NNE AERO N/A    RMY 25
4/5   35/19/27/-16/0.00/0.0/…/..          25 NW  AERO N/A    RMY 27
4/6   41/21/31/-12/0.00/0.0/…/..          44 S   AERO N/A    RMY N/A

4/7   low temp since midnight is 41F; normal now 35F

DAILY RECORDS FOR MARCH 2016

3/9/16: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 75F,
BREAKS PREVIOUS RECORD OF 71F SET BACK IN 2000.

3/10/16: NEW DAILY RECORD HIGH MINIMUM TEMPERATURE OF 50F,
BREAKS PREVIOUS RECORD OF 42F SET AND TIED IN 1977, 2006

DAILY RECORDS FOR APRIL 2016

4/1/16: NEW DAILY RECORD HIGH MINIMUM TEMPERATURE OF 54F,
BREAKS PREVIOUS RECORD OF 51F SET IN 1948

4/4/16: NEW DAILY RECORD SNOWFALL OF 7.3 INS,
BREAKS PREVIOUS RECORD OF 3.7 INS SET IN 1975

4/4/16: NEW DAILY RECORD LOW MAXIMUM TEMPERATURE OF 28F,
BREAKS PREVIOUS RECORD OF 32F SET AND TIED IN 1896, 1908, 1975

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

RECORDS FOR APRIL 7
HIGH 90 IN 2010
LOW 13 IN 1982
PRECIP 1.72 IN. IN 1924
SNOWFALL 4.5 IN. IN 1967, 1996
PEAK GUST 65 MPH WNW IN 1982

RECORDS FOR APRIL 8
HIGH 87 IN 1991
LOW 17 IN 1888
PRECIP 1.78 IN. IN 1956
SNOWFALL 9.3 IN. IN 1956
PEAK GUST 70 MPH S IN 2000

TODAY’S REPORT PREPARED BY: Robert Skilling