condition mean min max 4 h after light 10.986170000000001 10.093545 11.878795 8 h after light 11.211103000000001 9.716568 12.705638 12 h after light 11.5203805 10.509745 12.531016 4 h after dark 10.768906000000001 10.477213 11.060599 8 h after dark 10.7608615 10.549668 10.972055 12 h after dark 12.417194 12.417194 12.417194