Narrative of the surveying voyages of his majesty's ships Adventure and Beagle (vol.1): between the years 1826 and 1836 : describing their examination of the southern shores of South America, and the Beagles's circumnavigation of the globe

583 SUMMARY OF METEOROLOGICAL OBSERVATIONS. Table I. Mean height of the Barometer, corrected for Neut>. Pt, and CapilP. and reduced to the temperature of 32°. Hour. AUTUMNAL PERIOD. BRUMAL PERIOD. 12 Days of August. MEANS. Feb. March. April. May. June. July. Autumn. Brumal. Au.&Br. inches. inches. inches. inches. inches. inches. inches. inches. inches. inches. VI. 29-404 29^63] 29-569 +29-322 +29-279 29-581 29-230 29-531 +29^394 29-463 IX. + -415 + -655 + -58] •3]] •277 + •584 •257 + •550 -391 + •470 XII. •405 --641 •574 -292 272 •576 •308 -540 •380 •460 III. -•399 -647 -•555 --285 -•27] -•542 •318 --534 -366 -•450 VI. •404 •657 •579 •308 •294 •571 •318 •540 •391 •465 Means 29.405 29-646 29^572 29^304 29^279 29-571 29^286 29^539 29^384 29^462 Table II. Thermometer — Fahrenheit. Hour. AUTUMNAL PERIOD. BRUMAL PERIOD. 12 Days of August. MEANS. Feb. March. April. May. June. 1 July. Autum. Brumal. Au.&Br. VI. IX. XII. III. VI. 44-30 51-38 54-23 54-44 51-16 44-20 49-87 52-53 52-39 47-84 35-82 40-61 45-42 44-88 39-83 34-74 36-36 40-68 39-62 35-97 30-67 31-83 36-02 34-36 31-98 30-53 31-50 35-93 34-59 32-58 33-46 35-11 37-92 36-24 33-54 41-44 47-29 50-73 50-57 46-13 31^98 33-23 37^54 36-19 33-51 36-71 40-26 44-13 43-38 39-82 Means 51-10 49-37 41-22 35-47 32-97 33-03 33-25 47-23 34-49 40-86