condition	mean	min	max
4 h after light	58.495299	58.446305	58.544293
8 h after light	68.710914	58.544293	78.877535
12 h after light	53.035668	52.031848	54.039488
4 h after dark	64.766335	60.217841	69.314829
8 h after dark	57.720673000000005	56.897053	58.544293
12 h after dark	37.167796	37.167796	37.167796