63 | 42 | 40 | 38 | 35 | 33 | 31 | 29 | 28 | 26 | 24 | 22 | 20 | 18 | 63 64 | 43 | 41 | 38 | 36 | 34 | 32 | 30 | 29 | 27 | 25 | 23 | 21 | 19 | 64 | | | | | | | | | | | | | | 65 | 44 | 42 | 39 | 37 | 35 | 33 | 31 | 29 | 28 | 26 | 24 | 22 | 20 | 65 66 | 45 | 42 | 40 | 38 | 36 | 34 | 32 | 30 | 29 | 27 | 25 | 23 | 22 | 66 67 | 45 | 43 | 41 | 39 | 37 | 35 | 33 | 32 | 30 | 28 | 26 | 25 | 23 | 67 68 | 46 | 44 | 42 | 40 | 38 | 36 | 34 | 33 | 31 | 29 | 27 | 26 | 24 | 68 69 | 47 | 45 | 43 | 41 | 39 | 37 | 35 | 33 | 32 | 30 | 28 | 26 | 25 | 69 | | | | | | | | | | | | | | 70 | 48 | 46 | 44 | 42 | 40 | 38 | 36 | 34 | 33 | 31 | 29 | 27 | 26 | 70 71 | 48 | 46 | 45 | 43 | 41 | 39 | 37 | 35 | 34 | 32 | 30 | 28 | 27 | 71 72 | 49 | 47 | 45 | 43 | 42 | 40 | 38 | 36 | 35 | 33 | 31 | 30 | 28 | 72 73 | 50 | 48 | 46 | 44 | 42 | 41 | 39 | 37 | 35 | 34 | 32 | 30 | 29 | 73 74 | 50 | 48 | 47 | 45 | 43 | 41 | 40 | 38 | 36 | 35 | 33 | 31 | 30 | 74 | | | | | | | | | | | | | | 75 | 51 | 49 | 47 | 46 | 44 | 42 | 40 | 39 | 37 | 35 | 34 | 32 | 31 | 75 76 | 52 | 50 | 48 | 46 | 45 | 43 | 41 | 39 | 38 | 36 | 35 | 33 | 31 | 76 77 | 52 | 50 | 49 | 47 | 45 | 44 | 42 | 40 | 39 | 37 | 35 | 34 | 32 | 77 78 | 53 | 51 | 49 | 48 | 46 | 44 | 43 | 41 | 39 | 38 | 36 | 35 | 33 | 78 79 | 53 | 52 | 50 | 48 | 47 | 45 | 43 | 42 | 40 | 39 | 37 | 36 | 34 | 79 | | | | | | | | | | | | | | 80 | 54 | 52 | 51 | 49 | 47 | 45 | 44 | 42 | 41 | 39 | 38 | 36 | 35 | 80 ------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+------ _t._ |12°.0|12°.5|13°.0|13°.5|14°.0|14°.5|15°.0|15°.5|16°.0|16°.5|17°.0|17°.5|18°.0| _t._ ======+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+====== TABLE II.——RELATIVE HUMIDITY, PER CENT.