condition mean min max 0 h after light 251.98399999999998 251.434 252.534 4 h after light 331.04200000000003 305.404 356.68 8 h after light 312.7025 276.776 348.629 4 h after dark 393.26800000000003 388.328 398.208 8 h after dark 332.4175 318.575 346.26 12 h after dark 256.7125 254.389 259.036