condition	mean	min	max
4 h after light	20.280529	19.92921	20.631848
8 h after light	14.602797500000001	13.707698	15.497897
12 h after light	44.398762	29.457513	59.340011
4 h after dark	15.542394999999999	13.410798	17.673992
8 h after dark	68.7806475	41.559989	96.001306
12 h after dark	18.061318	18.061318	18.061318