condition mean min max 4 h after light 467.4615 463.038 471.885 8 h after light 358.74199999999996 346.486 370.998 12 h after light 405.4145 377.327 433.502 4 h after dark 540.006 525.001 555.011 8 h after dark 601.2235000000001 588.111 614.336 12 h after dark 556.8475000000001 552.052 561.643