condition mean min max 0 h after light 0.0919805 0.0 0.183961 4 h after light 0.1357895 0.0 0.271579 8 h after light 0.22972199999999998 0.186928 0.272516 4 h after dark 0.362129 0.0 0.724258 8 h after dark 0.0452141 0.0 0.0904282 12 h after dark 0.0 0.0 0.0