condition mean min max 0 h after light 227.402 217.27 237.534 4 h after light 128.3828 94.4636 162.302 8 h after light 229.166 214.39 243.942 4 h after dark 260.933 214.445 307.421 8 h after dark 183.25900000000001 177.841 188.677 12 h after dark 174.575 162.15 187.0