condition mean min max 4 h after light 252.216913 160.116668 344.317158 8 h after light 259.631357 224.753524 294.50919 12 h after light 320.4990805 320.462826 320.535335 4 h after dark 196.86718150000002 106.462827 287.271536 8 h after dark 165.619458 111.946636 219.29228 12 h after dark 203.668677 203.668677 203.668677