condition mean min max 4 h after light 413.3970405 332.232057 494.562024 8 h after light 326.0012945 321.115095 330.887494 12 h after light 351.427374 311.232057 391.622691 4 h after dark 313.47294850000003 275.479918 351.465979 8 h after dark 269.611187 228.987788 310.234586 12 h after dark 309.820116 309.820116 309.820116