condition mean min max 4 h after light 1.7165323333333333 0.865317 2.65008 8 h after light 6.02762 2.05826 9.9522 12 h after light 34.6254 16.7663 56.201 4 h after dark 27.579433333333334 20.1351 33.749 8 h after dark 20.73356666666667 15.0213 23.7163 12 h after dark 3.52229 3.14835 4.22724