condition mean min max 4 h after light 0.04116655 0.0 0.0823331 8 h after light 0.01080029 0.00825228 0.0133483 12 h after light 0.03794435 0.0297686 0.0461201 4 h after dark 0.0373998 0.0232302 0.0475311 8 h after dark 0.01495 0.0 0.0288828 12 h after dark 0.038091266666666665 0.016358 0.0809945