condition mean min max 0 h after light 0.056444 0.0 0.112888 4 h after light 0.1131625 0.111301 0.115024 8 h after light 0.11329900000000001 0.111685 0.114913 4 h after dark 0.278051 0.11087 0.445232 8 h after dark 0.222829 0.112117 0.333541 12 h after dark 0.1241335 0.0 0.248267