condition	mean	min	max
4 h after light	13.5238	13.3601	13.6875
8 h after light	10.366800000000001	10.0249	10.7087
12 h after light	11.59525	11.3112	11.8793
4 h after dark	18.8109	18.4707	19.1511
8 h after dark	17.1491	16.6365	17.6617
12 h after dark	18.0686	17.7272	18.41