condition mean min max 4 h after light 2.874245 2.803064 2.982996 8 h after light 32.74038 16.55445 46.10573 12 h after light 152.7831 127.2187 189.0821 16 h after light 283.53 255.2917 308.3703 4 h after dark 87.05481 73.54695 96.79184000000001 8 h after dark 6.626354999999999 3.9793529999999997 8.727578