+----------+-------+-------+-------+-------+-------+-------+
| Station. | Jan. | Feb. | Mar. | Apr. | May. | June. |
+----------+-------+-------+-------+-------+-------+-------+
| | _°C._ | _°C._ | _°C._ | _°C._ | _°C._ | _°C._ |
| In Salah | 21.6 | 23.0 | 24.4 | 24.6 | 22.0 | 23.2 |
| Ouargla | 20.8 | 25.4 | 24.0 | 25.0 | 27.0 | 26.0 |
+----------+-------+-------+-------+-------+-------+-------+
[**Continued]
+----------+-------+-------+-------+-------+-------+-------+
| Station. | July. | Aug. | Sept. | Oct. | Nov. | Dec. |
+----------+-------+-------+-------+-------+-------+-------+
| | _°C._ | _°C._ | _°C._ | _°C._ | _°C._ | _°C._ |
| In Salah | 23.4 | 22.0 | 29.0 | 20.0 | 23.4 | 22.6 |
| Ouargla | 26.0 | 27.8 | 24.6 | 23.0 | 20.0 | 23.8 |
+----------+-------+-------+-------+-------+-------+-------+
A further examination of the maximum temperatures shows certain
climatic features of interest and of great importance as factors in
the environment of the desert plants, especially the high average
maxima and the large amount of heat received in the desert, as
indicated by a summation of the maximal temperatures. That the
greatest daily temperatures must be high is indicated by table 10,
which gives the average maxima for three to five years at three
typical desert stations.