condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0478747 0.0409309 0.0548185 12 h after light 0.0 0.0 0.0 4 h after dark 0.0443249 0.0 0.0886498 8 h after dark 0.043599 0.0434062 0.0437918 12 h after dark 0.05785515000000001 0.0431129 0.0725974