Smithsonian miscellaneous collections . 20 periodicities deter-ed; dotted curve, pre- W5Z (MM 1-1 1-1 + I I I I It. Fig. 4.—Predicted and observed temperature departures for Washington, D. C, years 1940 to 1951. Prediction, synthesis from 20 periodicities deter-mined from records, 1854 to 1939. Ordinates, degrees Fahrenheit. Abscissae, years. Heavy curve, observed; full light curve, predicted; dotted curve, pre-dicted, altered in phases and scale as described in the text. All temperatures smoothed by 5-month running means before used. § ft, > t^ N l-l M tH „ VO 10 TT M f*3 O w i- to t 10 +
Smithsonian miscellaneous collections . 20 periodicities deter-ed; dotted curve, pre- W5Z (MM 1-1 1-1 + I I I I It. Fig. 4.—Predicted and observed temperature departures for Washington, D. C, years 1940 to 1951. Prediction, synthesis from 20 periodicities deter-mined from records, 1854 to 1939. Ordinates, degrees Fahrenheit. Abscissae, years. Heavy curve, observed; full light curve, predicted; dotted curve, pre-dicted, altered in phases and scale as described in the text. All temperatures smoothed by 5-month running means before used. § ft, > t^ N l-l M tH „ VO 10 TT M f*3 O w i- to t 10 + + I I I I * + + + + + I I I I I I 00 O N00 00 ^O! ?* tN + I ++ I I II I I I MINI ^ + + + + I I !S w M m ++ I I I I _„ 00 VO <N O f»3 ?* a .«o 8 + ++ + «fiv5 R 2+ + O M ^ 00 (•J o» w + + + I to O T* N w m TJ- -) + IM N N w NtN + I , 00 vo i-h 3- + + + I I I vo 10 , <N VO * + + ts C*J Ov ro T N IN + + + I ^ .8 10 \o CO ooI I m NO \QI I + + 3 ft. H + + + I I I C*5 10 + + IN CN + 1 + 1 + + + I I + + + I I I + Heo vN 1-1 * + I I I II 2 lj ™ B, * c 12 SMITHSONIAN MISCELLANEOUS COLLECTIONS VO
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