condition mean min max 0 h after light 0.4189225 0.344032 0.493813 2 h after light 0.1792555 0.128749 0.229762 4 h after light 0.3433965 0.337231 0.349562 8 h after light 0.4138355 0.353946 0.473725 12 h after light 0.1309025 0.0 0.261805 2 h after dark 0.123212 0.118062 0.128362 4 h after dark 0.2204395 0.0 0.440879 8 h after dark 0.126687 0.124388 0.128986 12 h after dark 0.477936 0.367236 0.588636