18 | 97 | 94 | 90 | 87 | 84 | 81 | 78 | 74 | 71 | 68 | 65 | 62 | 59 | 18 19 | 97 | 94 | 91 | 88 | 84 | 81 | 78 | 75 | 72 | 69 | 66 | 63 | 60 | 19 | | | | | | | | | | | | | | 20 | 97 | 94 | 91 | 88 | 85 | 82 | 79 | 76 | 73 | 70 | 67 | 64 | 61 | 20 ------+----+----+----+----+----+----+----+----+----+----+----+----+----+------- _t._ |0°.2|0°.4|0°.6|0°.8|1°.0|1°.2|1°.4|1°.6|1°.8|2°.0|2°.2|2°.4|2°.6| _t._ ======+====+====+====+====+====+====+====+====+====+====+====+====+====+======= TABLE II.——RELATIVE HUMIDITY, PER CENT. ======+===========================================================+====== _t_ | Difference between the dry and wet thermometers (_t-t′_).| _t_ (Dry +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+(Dry ther.)| 2°.6| 2°.8| 3°.0| 3°.2| 3°.4| 3°.6| 3°.8| 4°.0| 4°.2| 4°.4|ther.) ------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+------ -2 | 7 | | | | | | | | | | -2 -1 | 11 | 4 | | | | | | | | | -1 | | | | | | | | | | | 0 | 15 | 9 | | | | | | | | | 0 +1 | 19 | 13 | 7 | | | | | | | | +1 2 | 23 | 17 | 11 | 5 | | | | | | | 2 3 | 26 | 20 | 15 | 9 | 4 | | | | | | 3 4 | 29 | 24 | 18 | 13 | 8 | 2 | | | | | 4 | | | | | | | | | | | 5 | 32 | 27 | 22 | 16 | 11 | 6 | | | | | 5 6 | 34 | 29 | 25 | 20 | 15 | 10 | 5 | | | | 6 7 | 37 | 32 | 28 | 23 | 18 | 13 | 9 | 4 | | | 7 8 | 39 | 35 | 30 | 26 | 21 | 17 | 12 | 8 | 3 | | 8 9 | 42 | 37 | 33 | 28 | 24 | 20 | 15 | 11 | 7 | 2 | 9 | | | | | | | | | | | 10 | 44 | 40 | 35 | 31 | 27 | 23 | 19 | 14 | 10 | 6 | 10 11 | 46 | 42 | 38 | 34 | 30 | 26 | 22 | 18 | 14 | 10 | 11 12 | 48 | 44 | 40 | 36 | 32 | 28 | 25 | 21 | 17 | 13 | 12 13 | 50 | 46 | 42 | 39 | 35 | 31 | 27 | 24 | 20 | 16 | 13 14 | 52 | 48 | 45 | 41 | 37 | 34 | 30 | 27 | 23 | 19 | 14 | | | | | | | | | | | 15 | 54 | 50 | 47 | 43 | 40 | 36 | 33 | 29 | 26 | 23 | 15 16 | 56 | 52 | 49 | 46 | 42 | 39 | 36 | 32 | 29 | 25 | 16 17 | 57 | 54 | 51 | 48 | 44 | 41 | 38 | 35 | 31 | 28 | 17 18 | 59 | 56 | 53 | 49 | 46 | 43 | 40 | 37 | 34 | 31 | 18 19 | 60 | 57 | 54 | 51 | 48 | 45 | 42 | 39 | 36 | 33 | 19 | | | | | | | | | | |