condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0354195 0.0 0.070839 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.009906233333333334 0.0 0.0297187 12 h after dark 0.031229366666666664 0.0 0.0936881