Lake Maxinkuckee, Physical and Biological Survey 155 



below freezing. All these were 32 except that on the 27th when 

 it was 36. In 1900, the record is complete for the month. The 

 variation was from 32 to 35 at 6 a.m., 32 to 34 at noon, and 

 32 to 34.5 at 6 p.m., the lowest daily average for the air during 

 the same period being 22.6. 



In 1901, the record is also complete for the month. The varia- 

 tion was from 32.5 to 35.5 at 6 a.m., from 32 to 34.5 at noon, 

 and from 32.9 to 34 at 6 p.m. The lowest daily average was 

 32.5, the highest 34.3, and the average for the month was 33.1, 

 that of the air for the same period being 19.3. 



For March, 1899, the only record is for the llth when the water 

 was 33.5. In 1900, the record is complete. The variation was 

 from 33 to 37 at 6 a.m., from 33 to 37.5 at noon, and from 

 33 to 38.5 at 6 p.m. The lowest daily average was 33.1 on the 

 17th, the highest 37.5 on the 31st, and the average for the month 

 was 35.4, that for the air in the same period being 30.1. The 

 record for March, 1901, is complete. The variation was from 

 32.3 to 39.8 at 6 a.m., from 33 to 49 at noon, and from 32.9 

 to 43.4 at 6 p.m. The lowest daily average was 33 on the 1st 

 and 3d, the highest 42.4 on the 29th, and the average for the 

 month was 36.4, that for the air in the same period being exactly 

 the same, 36.4. The average for March of the 2 years was 35.9, 

 that of the air 33.25. 



For the month of April, the record is complete for 1900 and 

 1901. In 1900, the variation was from 39 to 67 at 6 a.m., from 

 44 to 67 at noon, and from 45 to 67.5 at 6 p. m. The lowest 

 daily average was 42.6 on the 1st, the highest 67.1 on the 30th, 

 and the average for the month was 49.8, that for the air in the 

 same period being 52.3. In 1901, the variation was from 36 

 to 60.1 at 6 a.m., from 38.5 to 65.5 at noon, and from 39 to 

 69.8 at 6 p.m. The lowest daily average was 38.6, the highest 

 64, and the average for the month was 47.9, that for the air 

 in the same period 48.9. The average for April of the 2 years 

 was 48.8, that for the air, 50.6. 



For the month of May, the record is approximately complete 

 for 1900 and 1901. In 1900, the variation was from 56 to 72.5 

 at 6 a.m., from 57 to 74 at noon, and from 57 to 74 at 6 p.m. 

 The lowest daily average was 57 on the 10th, the highest 73.3 

 on the 30th, and the average for the month was 64.74, that for the 

 air being 66. In 1901, the variation was from 51.9 to 66 at 6 

 a.m., from 50.5 to 70.1 at noon, and from 51.1 to 68 at 6 p. 

 m. The lowest daily average was 52.8, on the 2d, the highest 



