condition mean min max 4 h after light 372.417151 330.93555 413.898752 8 h after light 442.78469300000006 332.568098 553.001288 12 h after light 519.802777 486.291382 553.314172 4 h after dark 431.01682500000004 420.729208 441.304442 8 h after dark 337.818987 333.133341 342.504633 12 h after dark 394.347183 394.347183 394.347183