condition	mean	min	max
4 h after light	18.842126666666665	17.72683	19.98733
8 h after light	12.50229	10.19549	15.26345
12 h after light	12.334723333333333	12.17302	12.56237
16 h after light	19.222916666666666	17.02225	21.75466
4 h after dark	18.08004	16.43543	20.20124
8 h after dark	17.91537	12.8042	21.45938