condition mean min max 4 h after light 1398.776229 1170.407373 1627.145085 8 h after light 1764.1454910000002 1131.882483 2396.408499 12 h after light 2197.1609774999997 2168.009591 2226.312364 4 h after dark 1737.222276 1388.225463 2086.219089 8 h after dark 1169.8884965 817.678394 1522.098599 12 h after dark 1555.253861 1555.253861 1555.253861