condition	mean	min	max
4 h after light	17.11065	14.1758	20.0455
8 h after light	12.4851	10.884	14.0862
12 h after light	16.1238	15.1227	17.1249
4 h after dark	25.15073333333333	24.1009	26.2271
8 h after dark	31.07906666666667	28.5538	32.6407
12 h after dark	22.034433333333332	20.8174	23.1083