condition mean min max 4 h after light 0.03212555 0.0 0.0642511 8 h after light 0.0439378 0.0 0.0878756 12 h after light 0.0493175 0.0302776 0.0683574 4 h after dark 0.08940433333333334 0.0405229 0.144886 8 h after dark 0.148929 0.115379 0.202633 12 h after dark 0.1378151 0.0588315 0.294817