condition mean min max 3 h after light 1.14126525 0.623359 2.71755 7 h after light 1.8510945833333334 0.611571 3.8833 11 h after light 1.7766414166666666 0.576027 2.74889 2 h after dark 1.920427 0.962794 3.51155 6 h after dark 1.08655375 0.513702 1.48227 10 h after dark 0.9637255 0.416243 1.73572