condition mean min max 3 h after light 0.19894966666666666 0.109276 0.304573 6 h after light 2.0362233333333335 1.69187 2.4552 9 h after light 2.63121 2.15759 3.00655 12 h after light 1.042837 0.60105 1.74781 3 h after dark 0.50726 0.315174 0.704944 6 h after dark 0.42515 0.383869 0.494156 9 h after dark 0.36892966666666666 0.101176 0.572035 12 h after dark 0.0662637 0.041022 0.0926347