condition mean min max 0 h after light 0.618665 0.23319 1.00414 2 h after light 0.7572145 0.467209 1.04722 4 h after light 40.49595 40.0015 40.9904 8 h after light 216.0115 175.56 256.463 12 h after light 7.708055 7.45313 7.96298 2 h after dark 0.9030865 0.240073 1.5661 4 h after dark 0.1163015 0.0 0.232603 8 h after dark 0.1311425 0.0 0.262285 12 h after dark 0.124459 0.0 0.248918