condition mean min max 0 h after light 0.09947734999999999 0.0794967 0.119458 4 h after light 0.0999407 0.0783794 0.121502 8 h after light 0.0797863 0.0786498 0.0809228 4 h after dark 0.274037 0.156152 0.391922 8 h after dark 0.3929565 0.355294 0.430619 12 h after dark 0.1773305 0.116491 0.23817