condition mean min max 2 h after light 2.2355 1.83273 2.47958 6 h after light 2.55586 2.37971 2.64902 10 h after light 2.1628433333333335 1.73013 2.71338 2 h after dark 2.15643 1.8475 2.36347 6 h after dark 2.8647566666666666 2.60801 3.09179 10 h after dark 2.4787500000000002 2.36519 2.6112