From wsanford@wsanford.com Wed May 11 16:36:07 2005
Date: Wed, 11 May 2005 16:33:13 -0400 (EDT)
From: Walter Sanford <wsanford@wsanford.com>
To: Walter Sanford <wsanford@wsanford.com>
Subject: Duration of Insolation vs. Temp

DoI-vs-Temp.xmbl

Construct data table showing:
- Day of Year (21st of ea. mo.)
- times SR & SS for 21st ea. mo., plus 01 JAN (Day 01) and DEC 31 (Day 365).
- Avg. High Temp for 21st ea. mo.

Day of Mo./Day of Yr.
JAN 01 Day 001
JAN 21 Day 021  JUL 21 Day 202
FEB 21 Day 052  AUG 21 Day 233
MAR 21 Day 080  SEP 21 Day 264
APR 21 Day 111  OCT 21 Day 294
MAY 21 Day 141  NOV 21 Day 325
JUN 21 Day 172  DEC 21 Day 355
                DEC 31 Day 365

SCSA Daylight Calculator
http://www.wsanford.com/~wsanford/daylight/calculator.html

WASHINGTON, DISTRICT OF COLUMBIA
Rise and Set for the Sun for 2005
Eastern Standard Time
Day (of mo.) 21
J 0722 1717 F 0651 1753 M 0610 1821 A 0523 1851 M 0451 1919 J 0443 1937
J 0500 1929 A 0527 1854 S 0555 1806 O 0624 1721 N 0658 1650 D 0723 1650

JAN 09h55m  9.92  JUL 14h29m 14.48
FEB 11h02m 11.03  AUG 13h27m 13.45
MAR 12h11m 12.18  SEP 12h11m 12.18
APR 13h28m 13.47  OCT 10h57m 10.95
MAY 14h28m 14.47  NOV 09h52m  9.87
JUN 14h54m 14.90  DEC 09h27m  9.45

JAN 01 SR = 07:26 SS = 04:56 DoI = 09h30m 9.50
DEC 31 SR = 07:27 SS = 04:56 DoI = 09h29m 9.48

http://www.weather.com/activities/other/other/weather/
climo-monthly-graph.html?locid=22312
Average High Temp. (degF)
JAN 01 43
JAN 42 FEB 48 MAR 57 APR 68 MAY 77 JUN 85
JUL 89 AUG 86 SEP 78 OCT 66 NOV 55 DEC 45
DEC 31 44

Average Low Temp. (degF)
JAN 01 29
JAN 27 FEB 31 MAR 39 APR 48 MAY 57 JUN 66
JUL 71 AUG 68 SEP 60 OCT 48 NOV 38 DEC 31
DEC 31 29

Altitude of Sun at Transit
JAN 01 28.2  JUL 21 71.4
JAN 21 31.4  AUG 21 63.0
FEB 21 40.8  SEP 21 51.6
MAR 21 51.6  OCT 21 40.2
APR 21 63.2  NOV 21 31.1
MAY 21 71.4  DEC 21 27.7
JUN 21 74.6  DEC 31 28.1

USNO
http://aa.usno.navy.mil/faq/docs/other_sites.html
Tides
In the U.S., tide tables are distributed by the National Ocean Service, a
part of NOAA. NOAA/NOS also provides online tide predictions for the next
six months for U.S. tidal reference stations. The University of South
Carolina also maintains an online tide and current predictor.
http://www.nos.noaa.gov/
http://www.opsd.nos.noaa.gov/tp4days.html
http://tbone.biol.sc.edu/tide/sitesel.html

=================================================================
Walter Sanford, Director           Carl Sandburg Middle School
Center for Sky Awareness           8428 Fort Hunt Road
Sandburg Planetarium               Alexandria, VA 22308
Fairfax County Public Schools      Work: 703-799-6169 -6197 (fax)
E-mail: wsanford@wsanford.com      Home: 703-765-9392
AMS Project ATMOSPHERE Atmospheric Education Resource Agent &
Water in the Earth System (WES) Resource Teacher
SCSA, Geosystems, & Camp T-Equity - URL: http://www.wsanford.com/
=================================================================