-----------------+-----------------+------------ | °C | °F -----------------+-----------------+------------ 1898. March | -9.1} | 15.6} April | -11.8} -9.1 | 10.8} 15.6 May | -6.5} | 20.3} | | June | 15.5} | 4.1} July | 23.5} -16.8 | -10.3} 1.8 August | -11.3} | 11.7} | | September | -18.5} | -1.3} October | -7.9} -11.1 | 17.8} 12.0 November | -6.9} | 19.6} | | December | -2.2} | 28.0} 1899. January | -1.2} -1.5 | 29.8} 29.3 February | -1.0} | 30.2} -----------------+-----------------+------------ Year | -9.6 | 14.7 -----------------+-----------------+------------ TABLE II.--MONTHLY MINIMA OF TEMPERATURE. -------------------------------+--------+------- | °C | °F -------------------------------+--------+------- 1898. February 23, at 10 p.m. | -7.6 | 18.3 March 15, at 4 a.m. | -20.3 | -4.5 April 3, at 6 p.m. | -26.5 | -15.7 May 29, at 8 p.m. | -25.2 | -13.4 June 3, at 6 p.m. | -30.0 | -22.0 July 17, at 10 p.m. | -37.1 | -34.8 August 28, at 3 a.m. | -29.6 | -21.3 September 8, at 4 a.m. | -43.1 | -45.6 October 25, at 3 a.m. | -26.3 | -15.3 November 2, at 4 a.m. | -21.4 | -6.5 December 2, midnight | -14.5 | 5.9 1899. January 2, at 2 a.m. | -8.1 | 17.4 February 11, at 2 a.m. | -9.6 | 14.7 March 4, midnight | -12.0 | 10.4 -------------------------------+--------+------- TABLE III.--MONTHLY MEANS (APPROXIMATE) OF BAROMETRIC PRESSURE. -----------------+---------+-------- | MM. | INCHES. -----------------+---------+-------- 1898. February[1]| 738.5 | 29.075 March | 741.4 | 29.190 April | 735.6 | 28.961 May | 746.3 | 29.382 June | 749.5 | 29.508 July | 747.8 | 29.441 August | 747.2 | 29.418 September | 745.5 | 29.351 October | 744.7 | 29.319 November | 746.0 | 29.371 December | 748.2 | 29.457 1899. January | 747.3 | 29.422 February | 736.5 | 28.997 -----------------+---------+-------- Year | 744.7 | 29.319 -----------------+---------+-------- [1] Latter half of month only. TABLE IV.--MINIMUM PRESSURES OBSERVED.