condition	mean	min	max
4 h after light	21.2499565	21.173696	21.326217
8 h after light	17.6923915	17.63926	17.745523
12 h after light	19.7600215	17.611789	21.908254
4 h after dark	25.397711	21.908254	28.887168
8 h after dark	24.128147	21.397368	26.858926
12 h after dark	26.344412	26.344412	26.344412