condition mean min max 4 h after light 216.926109 202.959294 230.892924 8 h after light 227.73517500000003 211.46261 244.00774 12 h after light 253.313075 252.701786 253.924364 4 h after dark 141.9632215 79.079002 204.847441 8 h after dark 145.729944 127.616672 163.843216 12 h after dark 138.182615 138.182615 138.182615