condition mean min max 4 h after light 143.785807 81.156982 206.414632 8 h after light 130.85431549999998 115.460151 146.24848 12 h after light 122.8669115 118.155134 127.578689 4 h after dark 84.10447400000001 56.224874 111.984074 8 h after dark 51.774525499999996 38.976082 64.572969 12 h after dark 57.152345 57.152345 57.152345