condition	mean	min	max
4 h after light	14.5586	13.6163	15.5009
8 h after light	6.0048200000000005	5.59173	6.41791
12 h after light	9.690345	9.64112	9.73957
4 h after dark	18.1187	17.89	18.4797
8 h after dark	22.8182	22.1476	23.2179
12 h after dark	22.183033333333334	21.8337	22.6816