condition mean min max 3 h after light 48.6366 45.8063 53.347 6 h after light 52.2761 43.682 62.8842 9 h after light 75.2277 58.4737 93.209 12 h after light 91.129675 70.2287 115.725 3 h after dark 116.847 114.901 120.121 6 h after dark 94.8904 88.8203 103.711 9 h after dark 70.02216666666666 63.428 76.9721 12 h after dark 54.2145 44.8092 63.6198