condition	mean	min	max
4 h after light	30.334276666666668	28.15232	31.78792
8 h after light	25.516090000000002	17.56681	30.038240000000002
12 h after light	19.819563333333335	15.8132	21.98726
16 h after light	28.472606666666668	24.4004	32.9863
4 h after dark	33.44322	25.2334	39.37899
8 h after dark	22.562223333333332	19.82534	26.720029999999998