condition mean min max 4 h after light 217.1720355 214.419707 219.924364 8 h after light 202.699582 177.357115 228.042049 12 h after light 203.18730449999998 192.142552 214.232057 4 h after dark 216.0346685 207.914203 224.155134 8 h after dark 253.59618749999998 219.924364 287.268011 12 h after dark 226.578211 226.578211 226.578211