condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.064751 0.0 0.129502 4 h after dark 0.0 0.0 0.0 8 h after dark 0.12582349999999998 0.125296 0.126351 12 h after dark 0.1891895 0.124281 0.254098