condition mean min max 4 h after light 0.7107135 0.54846 0.872967 8 h after light 0.2226085 0.0 0.445217 12 h after light 0.407381 0.0 0.814762 4 h after dark 1.110324 0.788782 1.53038 8 h after dark 1.1713823333333333 0.754817 1.5055 12 h after dark 0.16435 0.0 0.283022