condition mean min max 4 h after light 189.383893 189.383893 189.383893 8 h after light 237.77696550000002 220.482884 255.071047 12 h after light 249.6623825 203.760171 295.564594 4 h after dark 181.372116 161.232057 201.512175 8 h after dark 109.594145 98.159258 121.029032 12 h after dark 110.826389 110.826389 110.826389