Page:Transactions of the Provincial Medical and Surgical Association, volume 4.djvu/206

The maximum, minimum, mean, and the range of the barometer, for each month in the year, (from June, 1834, to June, 1835,) at London and Malvern.

		LONDON.				MALVREN
		Max.	Min.	Mean.	range.	Max.	Min.	Mean.	range.
1835—	January	30.759	29.031	30.048	1.728	30.158	28.359	29.455	1.799
	February	30.417	29.178	29.796	1.239	29.376	28.526	29.156	1.350
	March	30.513	28.797	29.903	1.716	29.913	28.192	29.274	1.721
	April	30.429	29.475	30.077	0.954	29.873	28.965	29.526	0.908
	May	30.123	29.427	29.813	0.696	29.590	28.850	29.243	07.40
1834—	June	30.325	29.597	29.930	0.728	29.746	28.953	29.332	0.793
	July	30.213	29.396	29.876	0.817	29.665	28.892	29.269	0.773
	August	30.109	29.593	29.819	0.516	29.572	28.955	29.245	0.617
	September	30.461	29.315	30.026	1.146	29.877	28.740	29.425	1.137
	October	30.619	29.237	29.996	1.382	30.027	28.734	29.401	1.293
	November	30.379	29.141	29.904	1.238	29.883	28.586	29.331	1.297
	December	30.576	29.215	30.265	1.361	30.043	28.611	29.700	1.432

The mean height and the mean range of the barometer, at London and Malvern, in the spring, summer, autumn, and winter, before stated.

	SPRING.		SUMMER.		AUTUMN.		WINTER.
	Mean height.	Mean range.	Mean height.	Mean range.	Mean height.	Mean range.	Mean height.	Mean range.
London	29.931	1.122	29.875	0.687	29.975	1.255	30.036	1.443
Malvern	29.348	1.123	29.282	0.727	29.385	1.242	29.435	1.527

Mean height and mean range of the barometer for the year.^[1]

	Mean height.	Mean range.
London	29.954	1.127 in.
Malvern	29.362	1.155 in.

1. Mr. Daniell from an average of three years' observations, makes the mean height of the barometer in London 29.881. The mean of twenty years, deduced by Mr. Howard is 29365. The above result does not vary much from Mr. Daniell's, nor greatly from Howard's.