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<br />EM 1110-2--1406
<br />5 Jan 60
<br />
<br />D.e
<br />~o 20
<br />
<br />"N
<br />~!O
<br />
<br />".
<br />to 20
<br />
<br />MAR
<br />10 20
<br />T~
<br />
<br />APR
<br />10 20
<br />
<br />700.._ _ ______
<br />
<br />lI.!10_____
<br />
<br />800 __ _.
<br />
<br />"0
<br />
<br />;500 _ _
<br />
<br />"0
<br />
<br />'00
<br />
<br />"0
<br />
<br />'-
<br />
<br />'00
<br />
<br />'0
<br />
<br />o
<br />
<br />Nof~$'
<br />I. Th~ $Ol'T>p/~ _no""n by o'olhl!'O' lin'$ JNj~h orrOW$ ~:lfirnof., th.
<br />claily IQl'ol In$OfOfion ot " e/otion of IQfiflJdf!0400 N, on Ff!6rvary
<br />2/ with 20 perc.nf pOls/ble suns''''"e: Slftp - enter 1f'Ht graph
<br />of F"ebru<;u.y 2/ and ma.... downward to Ihe curve label/qd <lO"N.
<br />Step ~- fhencf! ",ave horizontally 1'0 e;toblf8h "point cd the
<br />infersf!cflon wW'J the ".ov{' line. Step ft!} -tint,,.. lower rl9hl-
<br />or 9roph of 40 "N, procfi'edJ.{!g upward to 20 p<i!rCf!nt or possible
<br />hovr$ of suns/,ine. Step '4J - thence move horizoA/,ol/y towara'
<br />the Irrt to the v"rfica/line through Z50N. SfflP '-:})-hf!~ the
<br />sea$onol corr~'Chon (02) From the foble JJ! the right 18 odd, -
<br />on the reducf on raclor sea/e. Step \!1J - t/.1ence move 0'0..-
<br />warr;i toward t"e convergence poinf. StE'p (V-From fhe
<br />rererence point or .fl?p Z rnov," downward to on intvl".!rec:fion
<br />wIth fhe lin, elC/enr;ied in step 6. Stfi'p 0 - From fhe point of"
<br />infer$ecflon of fhetu fwo /lnes rnovt' norlzon/ally fo tne
<br />insolofion scolv fe,reed fhe li'sfimefwd valve, 195 longlli'Ys per day.
<br />Z. For use bef....e.n Jun# 2/ and Oecember 2/, fhe cvrVf!S are
<br />syrnefricol ob"",f tlune 2/.
<br />
<br />MAY
<br />10 20
<br />
<br />'UN
<br />10 21
<br />
<br />LATITUO[
<br />3~ 40
<br />
<br />..
<br />
<br />"'N
<br />
<br />.0
<br />
<br />-~
<br />
<br />.0
<br />
<br />---
<br />--
<br />
<br />"
<br />o!
<br />.
<br />.
<br />Z
<br />,
<br />.
<br />'0 "
<br />o
<br />.
<br />.
<br />,
<br />o
<br />o'
<br />M
<br />j
<br />.
<br />;;
<br />.
<br />o
<br />O'
<br />"
<br />o
<br />.
<br />~
<br />u
<br />O.
<br />M
<br />.
<br />
<br />'0
<br />
<br />- -
<br />
<br />S t...SON"'L CORR~CTION To R IDUCTION F...CTOR
<br />
<br />MON'T"" PIRCINT Or 1'055181.1: SVNSWU.
<br />0 \ , 6
<br />JAN .. ., ., ,~, ., ., '1 .,
<br />F.. ., ., ., ., ., ., ., '1
<br />M." -, -, , -, -, 0 0 0
<br />APR -, , -, -, -, -, -I 0
<br />MAV -, -, -, , -, -. -\ -,
<br />JUN -5 , , , -, , oZ' -I
<br />Jue -, , -, -3 -, -, -. -,
<br />A~ -, -3 -, -, -Z -Z -I -,
<br />S'P -, , -, , -, -, -, -I
<br />Ocr 0 0 0 0 0' 0 0 0
<br />No> ., ., ., ., ., ., ., 0
<br />D,e ., ., ., ., .. ., .\ .,
<br />
<br />--- .
<br />~-
<br />
<br />Figure 5. Nomograph jor, estimating dad,! insolation from latitude, date, and duration of sunshine. (From Insolation
<br />as an EmpirJcal Function of Daily Sunshine Duration, by Hammon, Weiss, and Wilson.)
<br />
<br />14
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