condition mean min max 4 h after light 253.512521 238.067709 268.957333 8 h after light 257.620083 176.404504 338.835662 12 h after light 341.495081 300.539749 382.450413 4 h after dark 248.77051849999998 206.001288 291.539749 8 h after dark 132.369409 75.959128 188.77969 12 h after dark 344.693595 344.693595 344.693595