condition mean min max 0 h after light 0.2599635 0.259732 0.260195 4 h after light 2.43505 2.35595 2.51415 8 h after light 3.579085 2.98079 4.17738 4 h after dark 1.0737455 0.943831 1.20366 8 h after dark 0.47528400000000004 0.460446 0.490122 12 h after dark 0.217933 0.207506 0.22836