condition mean min max 0 h after light 0.18442350000000002 0.184259 0.184588 4 h after light 1.242975 1.0326 1.45335 8 h after light 1.1082649999999998 1.03161 1.18492 4 h after dark 0.4985505 0.454203 0.542898 8 h after dark 0.18261955 0.0907361 0.274503 12 h after dark 0.1360044 0.0920058 0.180003