condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.03131815 0.0 0.0626363 2 h after dark 0.2010185 0.192617 0.20942 4 h after dark 0.03110395 0.0 0.0622079 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0320117 0.0 0.0640234