condition mean min max 4 h after light 104.6135 102.11 107.117 8 h after light 93.42515 90.8446 96.0057 12 h after light 90.53765000000001 86.3097 94.7656 4 h after dark 136.44400000000002 135.727 137.161 8 h after dark 131.07150000000001 130.882 131.261 12 h after dark 125.671 124.299 127.043