_Example:_ Dry-bulb 58°·5, wet-bulb 52°·7, the difference is 5°·8. Having found 58° in the column on the left or right, run the eye along this line until the column under 5°·8 is reached, when the relative humidity will be found, viz., 67. TABLE OF RELATIVE HUMIDITY. ======+================================================================= Dry Bulb Reading. | DIFFERENCE BETWEEN THE READINGS | OF THE DRY AND WET BULB THERMOMETERS. | ° ° ° ° ° ° ° ° ° ° ° ° ° | 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 ======+================================================================= ° | 20 | 93 86 80 74 68 63 59 55 51 47 44 41 37 22 | 94 88 82 76 70 65 60 56 53 50 47 44 41 24 | 94 88 83 78 73 69 65 61 57 53 50 47 44 26 | 95 90 85 80 76 72 68 64 61 57 54 51 48 28 | 96 92 88 84 80 76 72 69 66 63 60 57 54 30 | 96 93 90 87 84 81 78 75 72 70 67 64 62 32 | 97 94 91 89 87 84 82 80 78 76 73 71 69 34 | 97 95 93 91 89 87 85 83 81 80 78 76 74 36 | 98 96 94 93 91 89 87 86 84 82 80 79 77 38 | 98 96 94 93 91 89 87 86 85 83 81 80 78 40 | 98 97 95 94 92 90 88 87 86 84 82 81 79 42 | 98 97 95 94 92 90 88 87 86 84 83 81 80 44 | 98 97 95 94 92 90 88 87 86 84 83 82 81 46 | 99 97 95 94 92 91 89 88 87 85 84 82 81 48 | 99 97 95 94 92 91 89 88 87 85 84 82 81 50 | 99 97 96 94 93 92 90 89 88 86 85 83 82 52 | 99 97 96 94 93 92 90 89 88 86 85 83 82 54 | 99 97 96 94 93 92 90 89 88 86 85 83 82 56 | 99 97 96 94 93 92 90 89 88 87 86 84 83 58 | 99 97 96 94 93 92 90 89 88 87 86 85 84 60 | 99 97 96 94 93 92 91 90 89 88 86 85 84 62 | 99 98 96 95 94 93 91 90 89 88 86 85 84 64 | 99 98 96 95 94 93 91 90 89 88 86 85 84 66 | 99 98 96 95 94 93 91 90 89 88 87 86 85 68 | 99 98 96 95 94 93 92 91 90 89 87 86 85 70 | 99 98 96 95 94 93 92 91 90 89 87 86 85 72 | 99 98 96 95 94 93 92 91 90 89 87 86 85 74 | 99 98 96 95 94 93 92 91 90 89 88 87 85 76 | 99 98 97 96 95 93 92 91 90 89 88 87 86 78 | 99 98 97 96 95 94 93 92 91 90 89 88 87