condition mean min max 0 h after light 1.217901 0.305742 2.13006 2 h after light 2.103205 2.07257 2.13384 4 h after light 2.260225 1.87572 2.64473 8 h after light 1.8287 1.31987 2.33753 12 h after light 1.637 1.13467 2.13933 2 h after dark 1.3191825 0.730975 1.90739 4 h after dark 1.241261 0.708232 1.77429 8 h after dark 1.814025 1.23223 2.39582 12 h after dark 1.94445 1.31202 2.57688