condition	mean	min	max
4 h after light	9.55799	9.525804	9.590176
8 h after light	8.669439	8.146446	9.192432
12 h after light	8.589763000000001	8.372267	8.807259
4 h after dark	8.276771	7.659943	8.893599
8 h after dark	8.675132	8.211352	9.138912
12 h after dark	11.311203	11.311203	11.311203