condition mean min max 4 h after light 0.01446595 0.0 0.0289319 8 h after light 0.04810075 0.0229255 0.073276 12 h after light 0.03710085 0.026716 0.0474857 4 h after dark 0.021113966666666668 0.0 0.0633419 8 h after dark 0.0260959 0.0 0.0782877 12 h after dark 0.10323463333333334 0.0312346 0.232444