condition mean min max 4 h after light 157.04826666666668 136.0254 172.2665 8 h after light 203.38093333333333 141.4106 309.1847 12 h after light 269.68943333333334 215.0909 354.7317 16 h after light 356.0055 274.1468 485.2577 4 h after dark 330.2122 289.1178 363.4163 8 h after dark 169.9059 142.5206 187.9137