condition mean min max 0 h after light 166.90449999999998 165.704 168.105 4 h after light 72.17205000000001 67.0935 77.2506 8 h after light 21.08305 20.6298 21.5363 4 h after dark 61.4013 53.5347 69.2679 8 h after dark 120.92250000000001 109.354 132.491 12 h after dark 178.9245 132.268 225.581