condition	mean	min	max
4 h after light	3761.4	3761.4	3761.4
8 h after light	3544.1	3451.5	3636.7
12 h after light	3500.0	3359.5	3640.5
4 h after dark	3294.5	3247.9	3341.1
8 h after dark	3072.1	2834.1	3310.1
12 h after dark	3793.0	3391.1	4194.9