| Ind Vel |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||||||||||||||||||||
| 0 | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | 0 | . | 104 | 0 | . | 144 | 0 | . | 190 | 0 | . | 243 | 0 | . | 303 |
| 10 | 0 | . | 369 | 0 | . | 433 | 0 | . | 511 | 0 | . | 586 | 0 | . | 666 | 0 | . | 762 | 0 | . | 853 | 0 | . | 949 | 1 | . | 05 | 1 | . | 16 |
| 20 | 1 | . | 27 | 1 | . | 38 | 1 | . | 50 | 1 | . | 63 | 1 | . | 76 | 1 | . | 90 | 2 | . | 04 | 2 | . | 19 | 2 | . | 34 | 2 | . | 48 |
| 30 | 2 | . | 64 | 2 | . | 81 | 2 | . | 98 | 3 | . | 14 | 3 | . | 32 | 3 | . | 50 | 3 | . | 67 | 3 | . | 87 | 4 | . | 04 | 4 | . | 24 |
| 40 | 4 | . | 44 | 4 | . | 64 | 4 | . | 84 | 5 | . | 07 | 5 | . | 27 | 5 | . | 51 | 5 | . | 72 | 5 | . | 93 | 6 | . | 18 | 6 | . | 40 |
| 50 | 6 | . | 66 | 6 | . | 89 | 7 | . | 12 | 7 | . | 40 | 7 | . | 64 | 7 | . | 88 | 8 | . | 14 | 8 | . | 43 | 8 | . | 69 | 8 | . | 95 |
| 60 | 9 | . | 22 | 9 | . | 49 | 9 | . | 76 | 10 | . | 1 | 10 | . | 4 | 10 | . | 6 | 10 | . | 9 | 11 | . | 2 | 11 | . | 6 | 11 | . | 9 |
| 70 | 12 | . | 2 | 12 | . | 5 | 12 | . | 8 | 13 | . | 1 | 13 | . | 5 | 13 | . | 8 | 14 | . | 1 | 14 | . | 4 | 14 | . | 8 | 15 | . | 1 |
| 80 | 15 | . | 5 | 15 | . | 8 | 16 | . | 2 | 16 | . | 5 | 16 | . | 9 | 17 | . | 3 | 17 | . | 6 | 18 | . | 0 | 18 | . | 4 | 18 | . | 8 |
| 90 | 19 | . | 2 | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... |
The foregoing are calculated for wind ressure on plane surfaces at right angles to the direction of the wind by the formula . pressure in pounds avoirdupois; surface in square feet; true (or corrected) velocity in mi per hour; height of barometer in inches.
Corrected velocites indicated for Robinson anemometer for above table.
| Ind Vel |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||||||||||||||||||||
| 0 | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | 5 | . | 1 | 6 | . | 0 | 6 | . | 9 | 7 | . | 8 | 8 | . | 7 |
| 10 | 9 | . | 6 | 10 | . | 4 | 11 | . | 3 | 12 | . | 1 | 12 | . | 9 | 13 | . | 8 | 14 | . | 6 | 15 | . | 4 | 16 | . | 2 | 17 | . | 0 |
| 20 | 17 | . | 8 | 18 | . | 6 | 19 | . | 4 | 20 | . | 2 | 24 | . | 0 | 21 | . | 8 | 22 | . | 6 | 23 | . | 4 | 24 | . | 2 | 24 | . | 9 |
| 30 | 25 | . | 7 | 26 | . | 5 | 27 | . | 3 | 28 | . | 0 | 28 | . | 8 | 29 | . | 6 | 30 | . | 3 | 31 | . | 1 | 31 | . | 8 | 32 | . | 6 |
| 40 | 33 | . | 3 | 34 | . | 1 | 34 | . | 8 | 35 | . | 6 | 36 | . | 3 | 37 | . | 1 | 37 | . | 8 | 38 | . | 5 | 39 | . | 3 | 40 | . | 0 |
| 50 | 40 | . | 8 | 41 | . | 5 | 42 | . | 2 | 43 | . | 0 | 43 | . | 7 | 44 | . | 4 | 45 | . | 1 | 45 | . | 9 | 46 | . | 6 | 47 | . | 3 |
| 60 | 48 | . | 0 | 48 | . | 7 | 49 | . | 4 | 50 | . | 2 | 50 | . | 9 | 51 | . | 6 | 42 | . | 3 | 53 | . | 0 | 43 | . | 8 | 54 | . | 5 |
| 70 | 55 | . | 2 | 55 | . | 9 | 56 | . | 6 | 57 | . | 3 | 48 | . | 0 | 58 | . | 7 | 59 | . | 4 | 60 | . | 1 | 60 | . | 8 | 61 | . | 5 |
| 80 | 62 | . | 2 | 62 | . | 9 | 63 | . | 6 | 64 | . | 3 | 65 | . | 0 | 65 | . | 8 | 66 | . | 4 | 67 | . | 1 | 67 | . | 8 | 68 | . | 5 |
| 90 | 69 | . | 2 | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... | .. | . | ... |
