condition mean min max 3 h after light 1.4496585 0.736462 2.32964 7 h after light 2.562255 1.75752 3.31597 11 h after light 2.7784716666666665 1.6331 4.70201 2 h after dark 2.430610833333333 1.12031 3.97607 6 h after dark 1.7523316666666666 1.03841 3.48912 10 h after dark 1.29556375 0.622392 1.80194