condition mean min max 0 h after light 2.171389 0.760908 3.58187 2 h after light 1.192823 0.734786 1.65086 4 h after light 0.7298945 0.726766 0.733023 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.3659335 0.0 0.731867 8 h after dark 1.1574625 0.764175 1.55075 12 h after dark 0.7679175 0.753959 0.781876