condition mean min max 4 h after light 135.7188075 111.026516 160.411099 8 h after light 190.192031 165.225385 215.158677 12 h after light 168.004714 152.094222 183.915206 4 h after dark 223.3462045 172.175612 274.516797 8 h after dark 201.841029 144.906856 258.775202 12 h after dark 151.135653 151.135653 151.135653