Code: Select all
(set 'target 200906281845)
(set 'data '(
(200906282050 "29003KT" "CAVOK" "19/13" "Q1015=")
(200906281950 "05004KT" "CAVOK" "19/13" "Q1014=")
(200906281750 "12010KT" "9999" "FEW020" "20/13" "Q1014=") ; <- this is the one to be found
(200906281700 "12010KT" "9999" nil "20/14" "Q1015=")
(200906280000 "12010KT" "9999" "FEW020" "20/14" nil)
; ...
))