condition mean min max 4 h after light 144.409938 97.616293 191.203583 8 h after light 150.6371385 136.475364 164.798913 12 h after light 148.3711715 138.587209 158.155134 4 h after dark 279.0420625 206.021778 352.062347 8 h after dark 287.1856665 286.650771 287.720562 12 h after dark 358.606591 358.606591 358.606591