condition mean min max 0 h after light 0.6012075 0.514796 0.687619 4 h after light 1.7906104999999999 0.874231 2.70699 8 h after light 4.118650000000001 3.14419 5.09311 4 h after dark 4.3898150000000005 4.06074 4.71889 8 h after dark 2.716875 2.36605 3.0677 12 h after dark 1.35228 1.02821 1.67635