condition mean min max 4 h after light 113.589865 38.572429 188.607301 8 h after light 97.794995 85.239502 110.350488 12 h after light 28.4198045 20.589793 36.249816 4 h after dark 97.5007705 38.615638 156.385903 8 h after dark 251.462222 250.642214 252.28223 12 h after dark 63.990878 63.990878 63.990878