Lake Maxinkuckee, Physical and Biological Survey 157 



p.m. The lowest daily average was 75.4° on the 15th, the highest 

 81.7° on the 22d, and the average for the month was 79.7°, that 

 for the air being 77.5°. In 1903, the variation was from 68" to 

 77.1° at 6 a.m., from 71° to 78.5° at noon, and from 70.5° to 78° 

 at 6 p.m. The lowest daily average was 70° on the 15th, the 

 highest 76° on the 5th, and the average for the month was 73.8°, 

 that for the air being 70.7°. In 1906, the variation was from 67° 

 to 76.4° at 6 a. m., from 71° to 85° at noon, and from 72° to 

 84.5° at 6 p.m. The lowest daily average was 72.5° on the 30th, 

 the highest was 81.8° on the 26th, and the average for the month 

 was 76.2°, that for the air being 74.9°. 



There are 14 records for the last 5 days of August, 1908. The 

 variation was from 65° to 72.9° at 6 a.m., from 70.5° to 81° at 

 noon, and from 73.5° to 80° at 6 p.m. The lowest daily average 

 was 69° on the 27th, the highest was 77° on the 30th, and the aver- 

 age for the 5 days was 73.2°, that for the air being 75.8°. 



For the month of September, the records are practically com- 

 plete for 1899 and 1900, and there are partial records for 1906, 

 1907, 1908, and 1913. In 1899, the variation was from 54.8' to 

 80° at 6 a.m., from 60° to 84.2° at noon, and from 56° to 81.2° at 

 6 p.m. The lowest daily average was 56.9° on the 30th, the high- 

 est was 81.3° on the 3d, and the average for the month was 68.1°, 

 that for the air being 63.1°. In 1900, the variation was from 59.3° 

 to 77.5° at 6 a.m., from 65.5° to 83° at noon, and from 66.5° to 

 81° at 6 p.m. The lowest daily average was 65.6° on the 28th, 

 the highest was 80.5° on the 1st, and the average for the month 

 was 72.4°, that for the air being 68.1°. For September, 1906, 

 the record is nearly complete for the first 18 days. The variation 

 was from 60° to 76° at 6 a.m., from 67° to 80° at noon, and from 

 67° to 80° at 6 p.m. The lowest daily average was 65.1° on 

 the 14th, the highest was 75.4° on the 11th, and the average for the 

 18 days was 71.2°, that for the air being 69.3°. For September, 

 1907, the record is partial for the 13th, 14th, 23d, and 30th, and 

 complete for the 19th to 29th both inclusive. The variation was 

 from 57° to 70° at 6 a.m., from 60° to 74° at noon, and from 

 59° to 73° at 6 p.m. The lowest daily average was 59.7° on the 

 29th, the highest was 72.2° on the 19th, and the average for all 

 the records was 64.5°, that for the air being 62.9°. For Septem- 

 ber, 1908, the record is practically complete for the first 17 days. 

 The variation was from 61.5° to 75° at 6 a.m., from 72° to 81° 

 at noon, and from 70° to 78° at 6 p.m. The lowest daily average 

 was 67.8°, on the 3d and 7th, the highest was 76° on the 12th, and 



