condition mean min max 4 h after light 160.326214 151.237241 169.415187 8 h after light 182.36047050000002 157.57185 207.149091 12 h after light 112.7175895 61.252443 164.182736 4 h after dark 128.964431 116.470453 141.458409 8 h after dark 91.7157165 76.694922 106.736511 12 h after dark 172.154178 172.154178 172.154178