condition mean min max 0 h after light 0.4840595 0.32309 0.645029 4 h after light 0.697824 0.547697 0.847951 8 h after light 1.180712 0.766034 1.59539 4 h after dark 1.957045 1.90801 2.00608 8 h after dark 1.596215 1.27055 1.92188 12 h after dark 0.5846355000000001 0.525109 0.644162