condition mean min max 3 h after light 220.313 209.75 236.719 6 h after light 195.672 172.589 213.957 9 h after light 172.613 159.141 198.417 12 h after light 173.33025 158.176 196.696 3 h after dark 194.92433333333335 184.216 201.977 6 h after dark 190.944 179.889 205.016 9 h after dark 185.57233333333332 178.658 196.569 12 h after dark 179.428 173.137 185.719