condition	mean	min	max
0 h after light	8.434425000000001	8.3202	8.54865
4 h after light	9.15451	8.55233	9.75669
8 h after light	9.59521	9.52918	9.66124
4 h after dark	11.40595	10.649	12.1629
8 h after dark	11.322	11.2163	11.4277
12 h after dark	8.624189999999999	8.50141	8.74697