condition mean min max 4 h after light 0.351628 0.233205 0.470051 8 h after light 0.41313900000000003 0.255025 0.571253 12 h after light 0.85192 0.30848 1.39536 4 h after dark 0.717317 0.609806 0.824828 8 h after dark 0.3055905 0.0 0.611181 12 h after dark 0.285003 0.168868 0.401138