condition mean min max 0 h after light 18.1601 17.5704 18.7498 2 h after light 31.78575 29.7658 33.8057 4 h after light 20.93385 19.373 22.4947 8 h after light 22.4984 18.8579 26.1389 12 h after light 43.0958 39.6302 46.5614 2 h after dark 32.8163 32.2407 33.3919 4 h after dark 31.29445 26.5702 36.0187 8 h after dark 29.08025 26.3423 31.8182 12 h after dark 22.883850000000002 21.2314 24.5363