^^4 Meteorological Journal. [June, 1815. 



REMARKS. 



Fourth Month. — A summer-like day, with a breeze of wind : Cirrus forihed 

 about noon, and continued after sun-set, passing io Cirrostratus : some rain fol- 

 lowed. 2. Overcast, a.m. apparently with Cirrostratus from Cirrus: during the 

 middle of the day this gave place to Cumulostraius. 3. a. m. Overcasi, calm, with 

 dew on the grass t showers followed : after which Cumulus and Cirrus. 4. Much 

 dew: Cirrus, followed by CirrosO-a^(s ; a fev/ lurge drops about sun-set. 5. Much 

 dew : Cirrus. 6. The same : low Cumuli prevailed afterwards, some of them 

 capped with Cirroslrati : then a shallow heCi oi Curtiulostralus, ending at sun-set in 

 Cirrostratus: the evening twilight opake, dewy, aud sull'used with red. 8. Cu- 

 rnulu.^ beneath Cirrocumulus : a strong breeze s a mixture of Cirrostratus and 

 Cirrus gave the clouds an appearance of active electricity ; but the whole ended 

 in Ci'-rostralus. 9. A confused mixture of the modifications, as yesterday, with 

 the addition of haze: some drops by 10 a. m. and a shower, p. m, 10. He.ivy 

 ehowers, a.m.: cloudy, p.m. 11. Wind, a.m. S. W.: the clouds, mingled with 

 the smuke of the city, came back from the E. at sun-set. 12. a. m. The clouds 

 cathered p£le mt^le,tlie Cumulus capping : p. m. the Nimbus appeared, and after some 

 distant thunder to 8. W. we had a shower, 13. a.m. Cirrus, Cirrocumulus: much 

 dew the large drops of which sparkled in the sun with the prismatic colours: 

 ■various modifications of cloud followed : about one p. m, it thundered, N.: then 

 rearer, with lightning, S. : the wind shifting to that point, we had a l»eavy shower 

 from W. with hail : wind and rain at night. 14. a.m. Cloudy, windy: Cumulo- 

 straius: a little snow: swallows skimming the meadows. 16. Cumu?Ms, succeeded 

 \yy Cumulostratus: the wind moderate. 16. The same: there were indications of 

 hoar frost this morning. 17. Hoar frost: Cumulostratus : at night Cirrostratus, 

 and a lunar corona. 18. a.m. A few drops during the union of soiDe clouds, 

 which became Cumulostratus. 19. a. ni. Loose Cumulus: at niglit Cirrus, and 

 afterwards a very large white lunar halo. 20. Overcast, dripping: a hail 

 shower, p.m.: at night a lunar halo, very small, the prismatic ring touching a 

 corona within. 21, .Much cloud and wind : wet forenoon and night : the greatest 

 depression of the barometer that has occurred in the present year. 22, 23. Much 

 cloud, windy: rain at intervals, 24. Windy: clondy : rain, a.m. with a little 

 hail : in the evening the Cumuli dispersed rapidly, with Nimbi aud Cirrostrali in 

 the horizon. 25. Various clouds, ending in rain, of whicli, however, very little 

 till night. 26, 27. Windy, variable : some dripping. 28. A little rain early: 

 then Cumulostratus. 29. Cumulostraius: strong breeze: dripping: the Cirrocu- 

 jjjuJus appeared, transiently, as for several days past: a Stratus at night. 30. Cir- 

 rocumulus, which passed to Cirrostratus: p. m. (upon the wind becoming S. E.) 



Tain. 



RESULTS. 



Winds variable, but for the most part Northerly. 



Earoraeter: Greatest height 30-25 inches. 



Least 28-74 



Mean of the period 29-783 



Thermometer: Greatest height 70° 



Least 28 



Mean of the period 48-56 



Evaporation, 1 -89 inch. Rain, 2*09 iuches, 



ToiTENHAM, J'fth lihtUh, 2, 1815. L. HOWARD. 



