condition mean min max 4 h after light 225.442335 214.032124 236.852546 8 h after light 167.0784705 165.653161 168.50378 12 h after light 171.2095745 150.777132 191.642017 4 h after dark 70.2164395 38.662356 101.770523 8 h after dark 76.5428945 26.267312 126.818477 12 h after dark 201.306592 201.306592 201.306592