condition mean min max 3 h after light 11.84313 8.57299 14.8145 6 h after light 23.5522 20.4337 27.9023 9 h after light 20.5417 15.9528 24.3214 12 h after light 17.06345 10.9169 32.3692 3 h after dark 34.58623333333333 32.9185 35.9449 6 h after dark 25.2074 24.8785 25.5966 9 h after dark 28.26823333333333 27.6269 29.5339 12 h after dark 42.35705 38.016 46.6981