condition	mean	min	max
4 h after light	14.85905	14.251	15.4671
8 h after light	14.23575	11.6883	16.7832
12 h after light	18.99665	16.6759	21.3174
4 h after dark	24.16605	22.2944	26.0377
8 h after dark	21.332900000000002	21.3081	21.3577
12 h after dark	19.86545	19.0921	20.6388