condition mean min max 3 h after light 349.236 158.301 520.02 6 h after light 183.451 141.343 244.106 9 h after light 150.50633333333332 146.224 156.42 12 h after light 188.79375 170.339 215.927 3 h after dark 242.89833333333334 211.983 258.976 6 h after dark 235.242 128.96 335.166 9 h after dark 203.47233333333332 137.271 330.016 12 h after dark 141.942 94.971 188.913