How to find the least or busy time on an apache web server

# cut -d: -f 2 /var/log/httpd/*access_log* | sort | uniq -c

290873 00
184948 01
115479 02
84129 03
71059 04
67632 05
88071 06
149285 07
275537 08
431069 09
529708 10
586744 11
599993 12
591466 13
565942 14
585796 15
611814 16
639781 17
625244 18
622163 19
574962 20
558504 21
503386 22
412359 23

The first column is the number of hits on the webserver, the second column is the time of the day. In this example the 5th hour (05:00 - 05:59) is the least busy hour, the 18th hour (18:00 - 18:59) is the busiest hour.