condition mean min max 0 h after light 47.20115 45.7339 48.6684 4 h after light 32.2679 30.3744 34.1614 8 h after light 36.07155 34.6671 37.476 4 h after dark 38.9264 33.7387 44.1141 8 h after dark 44.0473 40.2474 47.8472 12 h after dark 46.291799999999995 41.4556 51.128