condition mean min max 0 h after light 2.8091299999999997 2.24971 3.36855 4 h after light 4.926825 3.47936 6.37429 8 h after light 4.104139999999999 4.08212 4.12616 4 h after dark 5.12878 4.42856 5.829 8 h after dark 4.4434450000000005 4.10751 4.77938 12 h after dark 3.1654549999999997 2.88345 3.44746