This crossword No. 9242 clues and answers were published on Wed 15 Dec 1999 and the puzzle can be visited by following The Guardian Quick Crossword No. 9242 link.
All Across Clues and Answers:
1-across – Basin : BOWL
3-across – Careful : CAUTIOUS
8-across – Put to sleep – respite : LULL
9-across – Summit : PINNACLE
11-across – Exactly – erect : STRAIGHTUP
14-across – Annual : YEARLY
15-across – Dress : ATTIRE
17-across – Impromptu : OFFTHECUFF
20-across – Remove – portable food : TAKEAWAY
21-across – Equitable – market : FAIR
22-across – Of the Middle Ages : MEDIEVAL
23-across – Yield : CEDE
All Down Clues and Answers:
1-down – Window – sweet : BULLSEYE
2-down – Erudite : WELLREAD
4-down – Come down – on fire : ALIGHT
5-down – Speechless from embarrassment : TONGUETIED
6-down – Formerly : ONCE
7-down – Slough – outbuilding : SHED
10-down – Menu : BILLOFFARE
12-down – Feign : SIMULATE
13-down – Necessarily : PERFORCE
16-down – Layers : STRATA
18-down – Staunch – support : STEM
19-down – Slide : SKID
This crossword has in total 24 where 12 are across and 12 are down.