00000nam 2200000zi 4500 9.956564 CaOODSP 20251022152418 m o d f cr bn||||||||| 251022s1963 onc o f000 0 eng d CaOODSP eng rda CaOODSP En57-56/453-1963E-PDF Hendricks, John R. (John Robert), 1929- author. The diurnal pressure graph / by John R. Hendricks. [Toronto, Ontario] : Meteorological Branch, Department of Transport, 1963. 1 online resource (1 unnumbered page). text txt rdacontent computer c rdamedia online resource cr rdacarrier TEC ; 453 Digitized edition from print [produced by Environment and Climate Change Canada]. "19 Feb. 63." "CIR 3802." "This note is an addendum to the previous paper Forecasting Take-Off Pressures CIR-3777, TEC-444, 19 Dec. 62. An adjustment to the diurnal graph of this paper gives increased accuracy to the summer months; when the Diurnal Pressure Graph is most important and useful. Not pointed out in the previous paper, monthly diurnal pressure variation falls illogically into three distinct seasons. Construct the Diurnal Pressure Graph from the mean May to September values, instead of the annual values as previously done"--Page (1). Atmospheric pressure Diurnal variations. Meteorology in aeronautics. Pression atmosphérique Variations diurnes. Météorologie aéronautique. Canada. Meteorological Branch, issuing body. TEC ; 453. (CaOODSP)9.934253 PDF 58 KB https://publications.gc.ca/collections/collection_2025/eccc/en57/En57-56-453-1963-eng.pdf