condition	mean	min	max
0 h after light	28.66115	28.2892	29.0331
4 h after light	28.41215	27.3546	29.4697
8 h after light	30.70865	30.3453	31.072
4 h after dark	42.04105	40.4748	43.6073
8 h after dark	43.16845	42.3632	43.9737
12 h after dark	28.08465	26.3482	29.8211