TABLE SHOWING THE MEANS OF THE DAILY MAXIMUM AND MINIMUM TEMPERATURES IN DEGREES FAHRENHEIT.
The Means are obtained by dividing the sum of the daily readings of the Maximum and Minimum Self-registering Thermometers by the number of days in the month.
| 1883 | 1884 | |||||||||||||||||||||||
| July. | Aug. | Sept. | Oct. | Nov. | Dec. | Jan. | Feb. | March. | April. | May. | June. | |||||||||||||
| STATIONS. | Mean. | Mean. | Mean. | Mean. | Mean. | Mean. | Mean. | Mean. | Mean. | Mean. | Mean. | Mean. | ||||||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |
| Bismarck, Dak. | 79.5 | 55.8 | 78.6 | 54.8 | 69.4 | 43.7 | 48.3 | 33.4 | 38.7 | 15.0 | 25.0 | 4.5 | 14.5 | 7.6 | 8.9 | 9.8 | 29.9 | 10.5 | 47.6 | 30.2 | 67.1 | 44.1 | 81.2 | 54.8 |
| Dayton, W. T. | 87.3 | 53.6 | 85.1 | 53.2 | 77.5 | 45.2 | 57.8 | 34.7 | 51.6 | 33.3 | 35.8 | 18.5 | 31.0 | 11.5 | 24.9 | 4.8 | 35.6 | 19.6 | 43.9 | 29.6 | 59.5 | 40.7 | 73.7 | 51.8 |
| Denver, Col. | 82.6 | 58.7 | 83.6 | 58.8 | 74.7 | 50.2 | 57.6 | 36.8 | 56.1 | 31.1 | 36.8 | 17.4 | 25.7 | 5.3 | 30.8 | 10.8 | 43.0 | 25.7 | 58.2 | 39.6 | 71.5 | 50.2 | 81.2 | 61.3 |
| Lewiston, Idaho | 90.0 | 59.1 | 87.1 | 57.6 | 76.0 | 47.7 | 57.9 | 39.5 | 57.6 | 35.5 | 41.7 | 29.3 | 39.1 | 25.9 | 35.1 | 18.8 | 53.6 | 34.7 | 66.6 | 42.1 | 79.3 | 48.9 | 80.8 | 57.3 |
| New Haven, Conn. | 80.3 | 62.4 | 77.6 | 57.9 | 70.4 | 50.6 | 58.4 | 40.4 | 50.5 | 34.1 | 38.3 | 21.5 | 32.6 | 15.8 | 40.8 | 24.3 | 42.4 | 26.6 | 54.1 | 37.2 | 65.8 | 47.2 | 78.2 | 55.4 |
| Norfolk, Virginia. | 87.9 | 71.1 | 82.4 | 68.9 | 76.4 | 63.8 | 68.4 | 56.7 | 62.2 | 45.0 | 53.9 | 38.8 | 46.7 | 29.9 | 59.0 | 41.0 | 58.1 | 42.1 | 61.9 | 47.0 | 76.9 | 58.8 | 81.8 | 64.6 |
| Olympia, W. T. | 76.1 | 48.2 | 71.3 | 55.1 | 67.0 | 48.1 | 57.3 | 42.9 | 50.2 | 44.9 | 45.9 | 35.4 | 44.7 | 35.2 | 42.1 | 27.5 | 52.5 | 34.4 | 61.7 | 41.6 | 70.1 | 43.9 | 71.5 | 48.9 |
| Portland, Oregon. | 80.0 | 57.0 | 73.8 | 54.2 | 72.3 | 52.6 | 58.4 | 45.8 | 52.8 | 72.0 | 49.0 | 36.8 | 46.2 | 33.3 | 44.4 | 29.4 | 55.6 | 37.8 | 65.1 | 45.3 | 73.6 | 48.7 | 74.9 | 53.7 |
| San Diego, Cal. | 75.5 | 64.0 | 75.9 | 63.5 | 78.2 | 62.9 | 69.0 | 54.7 | 67.7 | 50.2 | 65.7 | 49.0 | 64.5 | 45.6 | 62.9 | 48.6 | 62.9 | 50.4 | 64.4 | 51.1 | 67.5 | 56.1 | 72.1 | 58.4 |
| Sandusky, Ohio | — | — | 77.1 | 62.8 | 69.2 | 55.8 | 59.2 | 47.3 | 52.5 | 37.2 | 39.8 | 27.5 | 26.9 | 12.9 | 39.0 | 24.4 | 41.6 | 28.7 | 52.1 | 39.3 | 68.8 | 51.3 | 77.9 | 62.7 |
| San Francisco, Cal. | 64.5 | 55.0 | 64.4 | 53.9 | 69.9 | 56.3 | 62.9 | 52.9 | 58.8 | 49.4 | 55.5 | 46.2 | 54.7 | 46.6 | 55.9 | 45.6 | 59.2 | 49.8 | 61.2 | 50.7 | 65.3 | 53.4 | 65.2 | 55.3 |
| Sitka, Alaska | 57.9 | 48.1 | 59.3 | 48.8 | 58.9 | 48.5 | 50.6 | 41.0 | 38.6 | 27.3 | 41.6 | 30.5 | 43.8 | 34.2 | 37.8 | 25.8 | 42.5 | 33.3 | 51.7 | 37.7 | 51.9 | 40.8 | 57.9 | 46.4 |
| Spokane Falls, W. T. | 85.0 | 53.4 | 83.2 | 72.5 | 72.4 | 44.2 | 53.7 | 35.0 | 46.6 | 32.0 | 35.6 | 22.4 | 32.6 | 17.5 | 30.2 | 12.7 | 46.4 | 27.8 | 62.2 | 39.0 | 74.5 | 46.0 | 78.7 | 53.9 |
| Washington City. | 87.7 | 67.2 | 82.4 | 62.7 | 74.8 | 56.2 | 65.5 | 49.3 | 56.2 | 39.4 | 63.1 | 45.3 | 49.7 | 31.8 | 65.6 | 47.0 | 67.8 | 51.6 | 73.6 | 54.8 | 81.4 | 63.0 | 87.4 | 68.5 |