condition mean min max 4 h after light 0.8349693333333335 0.0 2.18543 8 h after light 1.17067 0.5499 1.76221 12 h after light 1.797079 0.626387 2.57933 4 h after dark 1.05132 0.0 1.66376 8 h after dark 1.5014326666666666 0.743278 2.74724 12 h after dark 2.19965 1.93093 2.3515