condition mean min max 0 h after light 0.404196 0.269144 0.539248 4 h after light 0.4233365 0.391768 0.454905 8 h after light 0.7522145 0.743639 0.76079 4 h after dark 1.19189 1.17062 1.21316 8 h after dark 0.9116960000000001 0.687362 1.13603 12 h after dark 0.719516 0.537565 0.901467