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WISLIZENUS—-ATMOSPHERIC ELECTRICITY. ils

Additional Remarks on AvmospHEric Hiecrriciry.
By A..Wisuizenvs, M.D.

The delay in the publication of this volume enables me to
add to my observations of atmospheric electricity in 1861,
the result of my observations in 1862. ‘he latter observa-
tions have been made in the same manner and by means of
the same fine glass thread, which, after many thousand tor-
sions, proves as good as ever. I present herewith in tabular
form the general result of my observations in 1861 and 1862.

1. Monthly mean of Positive Atmospheric Electricity in 1861 and
1862, at Si. Louts, Mo., based upon daily observations at 6, 9, 12,
@, 0 and 9 o'clock, from morning till night. :

Mean of
Jan. Feb. Mar. Ap’l, May. Jun. Jul. Ang. Sept. Oct. Nov, Dec. Tear

Teols.16.5 121 98 86 78 40 37 @4 20 71100 148 44

Po62..121 16.0 94106 7b 20 22 28 20 7.7 12.5 12.9 &.4
* This table of 1961 differs in some decimals from that published on page 66 and in Dia-

gram No.1. Having discovered some errors, i calculated all my observations once more,
and give now the present as the correeted table.

Il. Monthly mean of Temperature and of Relative Humidity in
1861 and 1862, at Si. Louis, Mo., based upon daily observations,

_ totemporaneous with those of Atmospheric Electricity.

oS "TEMPERATURE.
: i oe Mean of
dan. Feb. Mar. Ay’l. May. Jun. Jul. Aug. Sept. Oct. Nov. Dec. Year.
1861...32.2 40.4 44.8 55.1 64.1 76.9 77.5 78.6 69.1 67.9 46.0 99.7 57.1°r.
- 1s02...25.0 80.2 40.2 05.0 69.7 (0.1 81.2 80.7 72.1 57.8 42.6 41.3 5642p,
, RELATIVE HUMIDITY. .

: Mean of
dan, Feb. Mar. Ap’l. May. Jun. Jul. Aug. Sepi. Oct. Nov: Dec. Year.
1861...72.2 69.3 64.6 61.5 06.3 70.8 60.8 69.6 77.8 76.6 69.0 74.3 69.5
1862...89.3 (8.0 70.8 67.0 51.3 67.0 66.8 64.8 74.2 67.2 69.5 746 68.8

e

an of Positive Electricity of Temperature, and of
dily of the Atmosphere, at the hours of 6, 9, 12, 3,

morning til night, based upon daily observations at
ugh the years 1801 and 1602, at St. Lowis, Mo.

ELECTRICITY. Do

AtGA.M. AtOA.M. ALTI2M. ALSP.M. ALGP.M. AtoP.M.
186] 2. 86 un 100 3 92 Be 8
1862 ee 2 2 oe 8.9 2a ee ee 10.90 Se eae Oi —— . : & - 6.8

CEM VERATUUE.

186. 480° Fi 40 616.
1862... 48.9... 350 160.8.
BLATIVE HOMADITY.

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