made at Clapton in Hackney. 397 



April 15. — Fine clear day, with small yellowish or rather 

 topper-coloured cumuli, a sort which accompany hot 

 weather, which approach to the nature of those which pre- 

 ce.He storms, and are contrasted to the large white or silvery 

 kind which appear in the intervals of cold snow showers. 

 Maximum of thermometer 67". Barometer fallen to 30 

 17. Features of cirrus strewed aloft in the afternoon with 

 dark-coloured cumuli and cirrostralus in the evening in- 

 dicated a change of weather. 



u4prd \6. — Much cloud in moving nimbus appeared 

 in many places, with rocklike and tuberculated cumuli, cir- 

 rus, &C. By sunset the lofty cirri and cirrostrati refracted 

 rich red colours. In the NW bars of alternate red and 

 yellow were made by alternation of strata of cirrostralus 

 and common haze between them. Wind westerly. Therm, 

 max. 65°. 



April 17. — A great deal of cloud in different stations in 

 the morning, with the dense appearance of nimbi here and 

 there; but the afternoon turned out fine, with cirrus, cu~ 

 mulus and cumulostraius. Therm. 64°. Wind WSW. 

 Barom. 29, 80. 



^pril 1 S. — Clear and warm day ; cumuli, cirri, &c. 



April 19. — Fair warm day. Therm. 65". Ciimuli and 

 cirri with occasional cumulostratus. 



^pril 20. — Clouded early ; then fair, with some cirrus 

 aloft with cumulostraius and cumulus lower. Wind calm 

 from the NW. Therm. 69*. Barom. 30, 20 in the 

 morning, but it fell somewliat in the day. Night clear; 

 a falling star in direction to NW. 



April 2\. — Fair; the fM7?2?i/i seemed smokelike and ill- 

 defined ; the evening became very cold. Therm, at 1 1 P.M. 

 34°; it was down at the freezing i)oint at night. 



April 22. — Cold wind from N. ; some showers of rain 

 ,ind hail in the day. Clear night. 



April 23. — Cold wind from NNW, and showers; with 

 the usual phaenomena of loose kinds oi' cirrocumulus, cirrus, 

 &c. in the clear intervals. Wind in gales. 



It is remarkable, that lately many appearances indicating 

 rain have been observable, but they did not end in actual 

 ninibification till after the occurrence of cold weather on 

 the 21st. 



April 2fi. — Cloudy, with rain at times; fair evening. 



April 27. — Rain, more or less, all day, and a slight in- 

 crease of temperature. Wind southerly. 



April 2«. — Hard rain all the morning, and it scarcely 

 held up all day. Wind got to the northward. 



s Meteoro- 



