condition	mean	min	max
4 h after light	17.56465	14.1156	21.0137
8 h after light	18.17875	17.5518	18.8057
12 h after light	37.051	36.0168	38.0852
4 h after dark	41.96025	38.1412	45.7793
8 h after dark	33.789199999999994	33.0817	34.4967
12 h after dark	26.61925	23.6641	29.5744