Check out these weather images:
Identified! [Men with weather balloon on roof of U.S. Weather Bureau building, Washington, D.C.] (LOC)

Image by The Library of Congress
Photos displaying on either side of this one in the Prints & Photographs Online Catalog may yield clues—view the neighboring photos: www.loc.gov/pictures/related/?&pk=hec2013003701&s…
Harris & Ewing,, photographer.
[Men with weather balloon on roof of U.S. Weather Bureau building, Washington, D.C.]
[1936 or 1937]
1 negative : glass ; 4 x 5 in. or smaller
Notes:
Title from Flickr Commons Project, 2015; with additional information from image taken at same location: National Photo Company Collection, LC-F8-20322.
Date based on date of negatives in same range.
Gift; Harris & Ewing, Inc. 1955.
Subjects:
United States.
Format: Glass negatives.
Rights Info: No known restrictions on publication.
Repository: Library of Congress, Prints and Photographs Division, Washington, D.C. 20540 USA, hdl.loc.gov/loc.pnp/pp.print
Part Of: Harris & Ewing Collection (Library of Congress)
General information about the Harris & Ewing Collection is available at hdl.loc.gov/loc.pnp/pp.hec
Higher resolution image is available (Persistent URL): hdl.loc.gov/loc.pnp/hec.33664
Call Number: LC-H2- B-11074
Weathering

Image by mugofcoffee
Shot on Kodak Tmax 100 @ 100ASA and developped in Xtol (stock) for 7:15min @20° taken with Sinar Norma and a Schneider-Kreuznach Xenar 240mm f/5.6 lens
Developpment in Photoshop to adjust it to the actual situation – I haven’t done much more than levels and curves…
Weather station

Image by Håkan Dahlström
Håkan Dahlström Photography