condition	mean	min	max
4 h after light	22.9845	16.3732	29.5958
8 h after light	23.03265	19.8426	26.2227
12 h after light	34.09975	19.7883	48.4112
4 h after dark	8.684273333333334	8.43447	9.14454
8 h after dark	16.688943333333334	8.08733	24.1069
12 h after dark	8.12045	5.80345	9.74798