condition mean min max 4 h after light 172.1736725 161.092401 183.254944 8 h after light 193.5284785 176.249593 210.807364 12 h after light 173.3837675 170.517942 176.249593 4 h after dark 206.5699545 175.903705 237.236204 8 h after dark 179.24213350000002 161.403558 197.080709 12 h after dark 124.30898 124.30898 124.30898