condition	mean	min	max
4 h after light	17.37635	14.5919	20.1608
8 h after light	13.2066	12.9049	13.5083
12 h after light	15.334900000000001	14.4983	16.1715
4 h after dark	16.618833333333335	15.0593	18.3471
8 h after dark	19.734866666666665	17.8111	22.0132
12 h after dark	18.370433333333335	18.1503	18.7957