condition mean min max 3 h after light 144.019 127.729 155.494 6 h after light 115.738 109.392 125.22 9 h after light 97.08666666666667 93.9537 99.1045 12 h after light 98.8443 83.0483 136.161 3 h after dark 118.17633333333333 116.025 119.982 6 h after dark 97.59916666666666 94.7259 103.206 9 h after dark 105.0111 97.4303 111.655 12 h after dark 110.145 104.059 116.231