condition mean min max 0 h after light 2.798975 2.65328 2.94467 2 h after light 3.71963 3.68518 3.75408 4 h after light 2.98893 2.9762 3.00166 8 h after light 3.0867050000000003 2.74013 3.43328 12 h after light 5.506225000000001 4.64285 6.3696 2 h after dark 5.11985 4.75917 5.48053 4 h after dark 4.423615 3.98355 4.86368 8 h after dark 3.95198 3.66119 4.24277 12 h after dark 3.546285 3.35781 3.73476