A summary of meteorological data appears in the Ballarat School of Mines Annual Report for 1887 (P.35, 50). The last such summary appears in the Ballarat School of Mines Calendar 1901-2 (p58), which contains the data for the year 1900. No references have been found re names and job duties/positions of data collectors. The data was recorded by J. Matsen and A. Kiedahl.A charcoal grey hard covered, 120 page ledger, with brown leather spine and corners. The ledger has 31 special column heading, with the observed data added by hand. The column headings are: (AM) Date, Barometer, Ther. of Bar., Wet Bulb., Dry Bulb, Maxim., Minim, Rainfall, Wind, Remarks and State of Weather (PM) Date, Barometer, Ther. of Bar., Wet Bulb., Dry Bulb, Maxim., Minim, Rainfall, Wind, Remarks and State of Weather.Gold lettering on spine "Meteorological Observations: and on a glued on leather patch "School of Mines Ballarat" also in gold lettering. Written on inside front page: "Elevation of barometer 1420ft above Sea Level. To reduce barometric readings to Sea Level When Thermometer stands at 40 add 1.606 (to barometer) 45 " 1.590 50 " 1.574 55 " 1.559 60 " 1.543 65 " 1.528 70 " 1.528 80 " 1.499 85 " 1.471 90 " 1.457 95 " 1.444 100 " 1.431 Lightly hand written in pencil on the next page: "J. Matsen Feb 1891 to Feb 1894 - 3 years A. Kildahl Feb 1894 - " A circle has been place around the hottest temperature for the month. ballarat school of mines, smb, meteorology, j. matsen, a. kiedahl, kiedahl, matsen, rain, weather, meteorological data