condition	mean	min	max
0 h after light	18.07645	17.3414	18.8115
4 h after light	24.35305	22.3585	26.3476
8 h after light	28.4266	26.6006	30.2526
4 h after dark	26.814149999999998	24.3883	29.24
8 h after dark	27.029899999999998	26.7809	27.2789
12 h after dark	20.3342	18.5478	22.1206