condition mean min max 3 h after light 0.8793966666666667 0.724207 0.992131 6 h after light 2.08092 1.27559 3.65633 9 h after light 1.436405 0.649247 2.94188 12 h after light 2.6523075 0.60837 4.20897 3 h after dark 1.99652 0.0 3.75229 6 h after dark 1.2476273333333334 0.743042 1.93277 9 h after dark 0.4090006666666667 0.0 0.679156 12 h after dark 1.68281 1.15007 2.21555