condition	mean	min	max
4 h after light	22.786534	20.229913	25.343155
8 h after light	19.958254	18.160357	21.756151
12 h after light	20.040955	17.245028	22.836882
4 h after dark	19.240833000000002	17.527233	20.954433
8 h after dark	17.220906	17.196784	17.245028
12 h after dark	18.010138	18.010138	18.010138