condition mean min max 4 h after light 1596.1164294999999 1212.106474 1980.126385 8 h after light 1448.0542345 1272.732057 1623.376412 12 h after light 1459.143697 1405.76403 1512.523364 4 h after dark 1097.1841855 913.590128 1280.778243 8 h after dark 1102.8039844999998 1097.306742 1108.301227 12 h after dark 1185.044087 1185.044087 1185.044087