condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 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 0.0371992 0.0 0.0743984 4 h after dark 0.0638835 0.0 0.127767 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0695923 0.0682347 0.0709499