condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.22561343333333334 0.0795713 0.428003 12 h after light 0.48311566666666667 0.118283 0.913906 4 h after dark 0.13826666666666668 0.0 0.4148 8 h after dark 0.0 0.0 0.0 12 h after dark 0.121542 0.0 0.364626