condition mean min max 4 h after light 2137.6832745 717.629387 3557.737162 8 h after light 755.705243 676.975163 834.435323 12 h after light 1076.6506275000002 544.822044 1608.479211 4 h after dark 5529.042910499999 2273.367627 8784.718194 8 h after dark 8696.928236 7218.310802 10175.54567 12 h after dark 3416.041077 3416.041077 3416.041077