3\) 



At all the stations the m.iximuiii wa> on the 16th, except at Ypsilanti, where the 

 temperature was one degree higher on the 28th. At Lansing on the 28th and 

 at Monroe on the 29th the temperature was as high as on the 16th. At all the 

 stations the warmest day was the 16th, except at Clifton, where the mean of the 

 29th was one degree higher. At Clifton the coldest day of the month was the 

 18th ; at the three other stations it was the 19th. At Clifton, (lat. 47^, long. 

 88°,) on the 16th, the temperature fell from 88 degrees at 2 p. m. to .36 degrees 

 at 9 p. m., jifly-tvo degrees. The minimum was 20 degrees on the morning of 

 the 18th. The obsersx-r says : " On the 16th, at 2.50 p. m., it commenced rain- 

 ing heavily, accompanied with lightning and distant thunder ; for about one hour it 

 poured down incessantly, a strong south-southwest wind blowing ; one inch of 

 rain fell during an hour." The rain continued until 4.4o p. m. of the 17th, 

 and measured two and one-eighth inches. At all the three other stations the 

 lowest at this period was at 9 p. m. of the 19th ; but the minimum of the month oc- 

 curred on the morning of the 26th. On the morning of the 22d the tempera- 

 ture was also very low. 



Rain fell at all the stations on the 17th, and also a very light rain at Lansing 

 on the afternoon of the 18th. 



Indiana. — The registers from this State are from New Albany, New Haven, 

 Rockville, and South Bend. The warmest day near the middle of the month 

 was the 16th, and the highest temperature was on the 14th, loth, and 16th. 

 But wanner days and higher temperatures occurred earlier in the month. The 

 coldest day of the month at all the stations was the 19th. At New Albany 

 the minimum was on the 20th, and at the three other stations on the 19th. The 

 principal part of the rain fell on the 17th. 



Ohio. — Registers have been received from eleven stations, each in a different 

 county The highest temperature during the warm period in the middle of the 

 month occurred at three stations on the loth, at six on the 16th, and at two on 

 the 17th ; and at all the stations except two the maximum of the month was 

 on the same days. The warmest day at all the stations except one was the 

 same as that on which the maximum occurred. With three exceptions, the 19th 

 was the coldest day ; and at nearly all the stations the minimum was on the 

 night of the 19th or morning of the 20th. In a few cases the depression 

 towards the close of the month was lower than on the 19th and 20th. The fall 

 of temperature from 2 p. m. of the 17th to 2 p. m. of the 18th was from 20 to 

 32 degrees. Rain is recorded principally on the 17th and ISth. Severe frosts 

 are noticed on the 19th and 20th. 



Maryland. — The only record is from Sykesville, Carroll county. The highest 

 temperature at 7 a. m. and at 9 p. m. was on the 17th, which was also the 

 warmest day of the month. At 2 p. m. the thermometer was higher on several 

 days than on the 17th. The fall of temperature began in the forenoon of the 

 18th, it being three degrees colder on that day at 2 p. m. than at 7 a. m. After 

 descending till the morning of the 21st the temperature rose on that day, but 

 immediately fell again and descended to 43 degrees on the 23d, with a mean 

 temperatiire for the day of 50^. This was the coldest day of the month except 

 the 26th, and the minimum temperature was on the 28th. One inch and thirty- 

 five hundredths of rain fell on the 18th. 



Pennsylvania. — Registers have been received from five stations. The warmest 

 day was the 17th. The highest temperature at 7 a. m. or 2 p. m. was on the 

 same day. At Philadelphia, the warmest day and the maximum were on the 

 17th, and the highest at 7 a. m. was on the ISth. The register-thermometer 

 there showed the same maximum on the 17 th as on the 7th. The lowest daily 

 mean, till after the temporary rise on the 21st, was the 20th. 



At Cauousburg the temperature fell till the 20th, which was the coldest day 

 of the month except the 26th. At 7 a. m. of the 19th the thermometer was 26 

 degrees lower than at the same hour on the 18th. 



