condition mean min max 0 h after light 0.151423 0.151288 0.151558 4 h after light 0.379142 0.372905 0.385379 8 h after light 0.421343 0.149676 0.69301 4 h after dark 0.5213665 0.371461 0.671272 8 h after dark 0.71246 0.298 1.12692 12 h after dark 0.3358275 0.30217 0.369485