Stations. Ozone. mean. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF FEBRUARY, 1889, FURNISHED 328 Georgetown.. Columbus..... U.S. University. Westerville. 2.71 2.00 Logan Oberlin Marietta McConnelsville Pomeroy Athens Granville Newcomerstown Quaker City.. 30.143 30.790 23d. 29.360 .25 30.141 30.800 23d. 29.410 .75 30.197 30.745 23d. 29.487 .00 30.224 30.809 24d. 29.557 30.194 30.757 23d. 29.538 30.174 30.770 23d. 29.480 30.173 30.793 23d. 29.451 4th. 30.150 30.773 234 29.439 4th. 1.334 91.0 25.8 30.188 30.761 23d. 29.517 5th. 1.244 85.6 29.4 30.140 30.817 23d. 29.383 4th. 1.434 80.9 22.4 3.200 30.827 23d. 29.505 5th. 1.322 82.1 38.3 57.0 30.163 30.768 23d. 29.456 5th. 1.312 82.9 30.160 30.714 23d. 29.557 5th. 1.157 91.7 33.4 30.214 30.819 234. 29.497 5th. 30.180 30.814 23d. 29488 4th. 1.326 30.173 30.333 23d. 29.439 30.065 30.744 23d. 29.377 4th. 1.430 New Alexandria.. The mean atmospheric pressure (30.168 in.) was .031 inch above the average for the past seven years. The highest barometer (30.858 in.) occurred at Youngstown on the 23d, and the lowest (29.360 in.) at Toledo on the 4th. The mean temperature of the northern section was 22.5, of the middle section, 25°.4, of the southern section, 29°.9, and of the State, 25.8. These means are 3°.3, 202, 20.7 and 30.0 below the means for the sections and State respectively. The highest temperature reported during the month was 69.8 at Cincinnati on the 16th, and the lowest, 13°.5 below zero at Jefferson on the 24th. The mean daily range of temperature was 175, the maximum range being 43°.0 at Wauseon on the 21st, and the minimum, 20.0 at Toledo on the 5th. It was the coldest February since 1885, in which year the mean temperature of February was 19.3. The mean relative humidity, 82.5 per cent., was above normal. Precipitation was general, mostly in the form of snow, on the 8th, 11th, 16th, 17th and 18th. Light local rain or snow occurred in all sections on the 3d, 4th and 13th; in the northern section on the 7th, 12th, 22d and 26th; in the middle section on the 6th, 9th, 15th STATE BOARD OF HEALTH. HE STATE BOARD OF HEALTH BY THE OHIO METEOROLOGICAL BUREAU. 123 25th. 34.1 3d. 31.0 3d. 16th.-1.0 23d. 62.0 -4.0 23d. 57.0 5 16th.-4.0 23d. 17th. -13.1 777489ONDODO 20 T 10 CO 10 229 1.72 .C62 N.W. 0.51 .082 S.W. S.W 4 16 5 1.27 .045 S. C.92 .033 S. 14 13 11 1.58 .056 S.W. 3 0.76 .027 W. 13 13 W. and 26th; in the southern on the 12th, 15th and 27th. Thunder-storms were reported by Athens and Georgetown on the 16th, and lightning by Greenville on the same date. The mean rainfall in the northern section was 1.31 inches, 1.46 inches in the middle section, and 1.27 inches in the southern section. These means are 2 inches, 2.05 inches and 2.82 inches below the average for the sectious respectively. The mean for the State, 1.35 inches, is 2.29 inches below the average, and is the smallest rainfal on record for February. The greatest monthly rainfall was 2.44 inches at Marietta, and the least, 0.47 inch, at Youngstown. The prevailing direction of the wind was west. The percentage of verifications of weather signals received from Washington and distributed to 35 display stations, computed from reports of observers, was 85 for temperature and 89 for weather. Cold-wave signals were ordered on the 5th, 11th, 18th and 21st. All were justified. C. E. KILBOURNE, Sec'y 0. M. B Direction of wind. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF MARCH, 1889, FURNISHED Cncinnati. Dayton.... Wapakoneta 1.87 2.00 Sidney Greenville Celina Upper Sandusky. 1.17 1.19 Fostoria.. Wauseon. 2.80 4.10 Clarksville. 4.26 4.29 Yellow Springs. 5.60 3.41 Hanging Rock.. Portsmouth. 30.003 30.438 30th. 29.631 7th. .807 30.000 29.580 7th. .890 66.8 29.593 7th. 825 87.0 80.4 Oberlin 29.991 30.483 30th. 29.574 7th. The mean atmospheric pressure, 29.997 inches, was .059 inch below the average for the past seven years. The highest barometer, 30.517 inches, occurred at Hiram on the 1st, and the lowest, 29.500 inches, at Jefferson on the 7th. The month was remarkable for having the highest maximum, minimum and mean temperatures on record for March since the opening of the Bureau in 1883. The mean temperature of the northern section was 37. 3; of the middle section, 40. 9, and of the southern section, 43. 1. These means are 4. 9, 5. 4 and 4. 1 above the averages for the sections, respectively. The mean for the State. 40. 2, was 4. 6 above the average. The mean daily range was 19.04. The greatest daily range was 53 at Athens on the 30th, and the least, 2, on the 2d at Toledo, on the 10th at Jefferson, and at Cleveland on the 21st. The mean relative humidity, 76.5 per cent., was 1.4 per cent. below the seven-year average for March, Precipitation was general in all sections on the 1st, 2d, 29th and 31st. Local rains occurred in the northern section on the 3d, 9th, 10th, 21st and 22d; in the middle section on the 3d, 7th, 8th, 10th, 18th and 19th, and in the southern section on the 8th, 9th, 10th, 18th, 20th and 28th. In the northern section more than one-half the rainfall for the month occurred on the 31st, and at one station, Fostoria, the entire rainfall for the month occurred on that THE STATE BOARD OF HEALTH BY THE OHIO METEOROLOGICAL BUREAU. day. The mean rainfall in the northern section was 2.11 inches; in the middle section, 1.04 inches and in the southern section, 1.01 inches, and for the State, 1.50 inches. The rainfall in the northern section was .07 inch above the average for March. In the middle and southern sections it was 1.48 and 1.53 inches below the average for those sections. The average deficiency for the whole State amounted to 0.87 inch. Thunder-storms were general in the northeastern part of the State on the 31st. The greatest monthly rainfall was 3.19 inches at Oberlin, and the least, 0.40 inch, at Jacksonborough. The greatest rainfall in any twenty-four hours was 2.25 inches, at Oberlin, on the 31st. The highest wind velocities reported during the month were 44 miles S. W. at Cincinnati, 40 miles S. W. at Columbus, and 60 miles S. W. at Ohio State University on the 31st, 24 miles W. at Cleveland, 27 miles N. W. at Toledo on the 9th, and 30 miles N. W. at Sandusky on the 10th. Total movement: Cincinnati, 5,124 miles; Columbus, 6,077 miles; Ohio State University, 7,041 miles; Cleveland, 5,562 miles; Sandusky, 7,007 miles, and Toledo, 7,307 miles. These are the smallest total movements of the wind reported for the month of March on record in the Bureau. The prevailing direction of wind was northwest. C. E. KILBOURNE, Secretary O. M. B. 2.47 .080 2.01 .065 1.81 .059 2.53 .082 0.65 .021 0.87 .028 0.69 .023 2.18 .070 0.91 .030 1.50 .050 N.W. Direction of wind. 126 ANNUAL REPORT METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF APRIL, 1889, FURNISHED Ozone. mean. Cincinnati Dayton .......... Wapakoneta Sidney Greenville 6.07 5.53 Celina... Upper Sandusky. Wauseon Clarksville. Yellow Springs North Lewisburg 3.33 3.80 69.6 51.7 88.0 Bangorville The mean atmospheric pressure, 30.015 inches, was 019 inch below the average for the past seven years. The highest barometer, 30.598 inches, occurred at Youngstown on the 7th, and the lowest, 29.426 inches. at Jeffer-on on the 28th. The mean temperature in the northern section was 46.8; in the middle section, 50. 3; in the southern section, 52. 9, and for the State, 49. 9. These means are 0.1°, 0.6, 0.6 and 0.4 above the seven-year averages for the section and State. The highest temperature, 882, occurred at Portsmouth on the 12th, and at North Lewisburg on the 19th; the lowest temperature, 15, at Bangorville on the 6th. The mean daily range of temperature was 21.09, the greatest daily range being 48 at North Lewisburg and Logan on the 23d, and the smallest, 3, at Jefferson on the 27th. The mean relative humidity, 73.4 per cent., was about normal. Precipitation was general in ali sections on the 1st, 12th, 20th and 24th; in the northern section on the 28th and in the southern section on the 13th. Local rains occurred in all sections on the 2d, 5th, 6th and 27th; in the northern and middle sections on the 3d, 11th and 13th: in the northern section on the 4th and 19th, and in the southern section on the 30th. The mean rainfall in the northern section was 2.16 inches; in the middle section 1.64 inches; in the southern section 1.57 inches. The mean for the whole State was 1.79 inches. These means are .03 inch. .95 inch, 1.66 inches and 83 inch below the seven-year averages for sections and State. Tae deficiency in rainfall for the year to May 1st, amounts to 1.78 inches in |