Mixing Height Central Valley 1A 1AE 1AL 1B 2A 2A1 2A2 2AL 2A3 2AE 2B 2B2 2BE 2C 2D 2E 2F 2G 2G1 2G2 2G3 3A 3B 4A 4B 4C 4D < 250 1145 120 815 1276 3 0 308 87 23 143 0 89 3 14 24 87 217 64 473 108 66 0 527 16 666 0 19 < 500 569 33 198 470 6 0 71 6 24 39 0 38 7 8 14 24 69 7 230 27 30 0 132 11 94 0 15 < 750 233 14 18 164 2 0 54 19 6 40 0 1 0 7 1 4 80 12 186 8 54 0 21 18 6 0 6 <1000 189 9 12 136 0 0 37 15 9 17 0 5 0 5 3 9 63 6 136 12 31 0 9 15 2 0 7 <1500 315 15 4 213 0 0 31 2 15 17 0 16 0 8 15 6 37 1 244 56 49 0 7 55 4 0 18 >1500 300 68 7 197 4 0 39 0 5 19 0 20 0 6 33 8 21 1 253 105 30 0 3 114 25 0 84