condition mean min max 4 h after light 1.9892 0.0 3.77915 8 h after light 5.14222 2.53971 8.85148 12 h after light 5.373546666666667 3.52284 7.2403 4 h after dark 3.884323333333333 3.52182 4.35176 8 h after dark 0.8340943333333334 0.735878 0.959095 12 h after dark 1.30577 1.08477 1.70733