condition mean min max 4 h after light 125.939566 121.881303 129.997829 8 h after light 239.40184850000003 203.099635 275.704062 12 h after light 175.83104250000002 167.43324 184.228845 4 h after dark 107.15693 65.349636 148.964224 8 h after dark 116.122827 44.09052 188.155134 12 h after dark 133.825687 133.825687 133.825687