METEOROLOGY OE i8q7. 7 I 
Rainfall stations 53 
Pinkhampton, Estos Park, Gleneyre 54 
Westlake, Waterdale, Loveland, EeRoy 55 
Soil temperatures 56 
Location of Soil Thermometers, sets A and O 57 
Causes affecting temperature 58 
Notes on temperatures, set A 59 
Note referring to highest and lowest soil temperatures 60 
Influence of irrigation on soil temperature 61-2 
Effect on temperature at 6 feet depth 62 
Effect on temperature at 2 feet and 3 feet ■ 63 
Conclusions from the observations 64-5 6 
Explanation of evaporation table 67 
Formula for daily evaporation 68 
Wind movement of the year 69 
Explanation of the sunshine diagram 70 
Notes on the diagram 71 
Importance of its study 72 
TABLES. 
Table. Page. 
Monthly Observations for 1897 1 20-43 
Summary for 1897, Agricultural College 2 44 
“ “ “ Rocky Ford Sub-station 3 49 
“ “ “ Cheyenne Wells Sub station •••• 4 50 
“ “ “ Lambs, Longs Peak, Estes Park P. 0 5 52 
“ “ “ Pinkhampton, North Park 6 52 
“ .‘ “ Gleneyre, on Laramie River 7 53 
Precipitation by Months, Volunteer Observers 8 55 
Soil Temperature, Weekly Means, Set A, 1897 9 57 
“ “ Weekly Readings, Set C, 1897 10 58 
“ “ Extremes at Different Depths and Dates, 1889-1897 .11 60 
Evaporation from Water Surface, 1888-1897 12 65 
Wind Movement by Months 13 66 
Sunshine, Summary 1897, by Months and Portions of Day 14 69 
ILLUSTRATIONS. 
Fig. Page. 
Maximum and Minimum Thermometers 1 5 
Wet and Dry Bulb Thermometers, or Psychrometer 2 6 
The Richards Registering Thermometer, or Thermograph 3 7 
“ “ Psychrometer 4 8 
“ “ “ Barometer 5 9 
Sheet from Statoscope during Wind Storm Showing Pulsations 
of Pressure 6 11 
Radiation Thermometers, Maximum Registering Solar, and the 
Terrestrial 7 12 
The Hook Gage for Evaporation Observations 8 13 
The Evaporometer, to Measure the Loss of Moisture by Plant. ... 9 14 
Soil Theimometer 10 
Anemometer 11 18 
Diagram of Precipitation, 1897 Compared with Normal 12 45 
Diagram Showing Number of Stormy Days, 1897 and Normal . . . .13 46 
Temperature Diagram Showing Maxin)um, Minimum, Average 
Maximum, Minimum, Range and Mean for 1897 and Normal. 14 47 
Mo'nthly Mean Barometer, 1897 and Normal 15 47 
Soil Temperatures at Different Depths, Weekly, 1897 16 59 
“ “ as Influenced by Irrigation 17 6.3 
Diagram Showing Evaporation by Months 18 65 
Sunshine of 1897, Showing Daily Distribution of Sunshine and 
Cloudiness in January 19 69 
