condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0260626 0.0 0.0521252 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.02678425 0.0 0.0535685 4 h after dark 0.050956 0.0500102 0.0519018 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0