CORRELATION OF DISTRIBUTIONAL FEATURES. 



463 



Table 117. — Climatic extremes for Koeleria cristata — Continued. 



Plate Evaporation: 



63 Daily mean, 1887-88, fa (inch) 



64 Total annual, 1887-88 (inches) , 



Moisture ratios: 



68 Normal P/E, fs 



59 Normal v/E, fs 



60 Normal P/E, year 



Vapor pressure: 



63 Normal mean, fs (hundredths inch) 



Humidity: 



65 Normal mean, fs (per cent) 



66 Normal mean, year (per cent) 



Wind: 



68 Normal mean hourly velocity, fs (miles) . . 

 Sunshine: 



69 Normal total duration, fs (hours) 



Moisture-temperature indices: 



70 Normal P/E X T, fs, remainder method . . . 



71 Normal P/E XT, fs, exponential method. . 



72 Normal P/E X T, fs, physiological method 



Low. 



.052 

 18.1 . 



.04 



.06 

 .09 



279 



22.6 

 29.7 



4.5 



1,225 



13 

 127 

 197 



High. 



.349 

 101.2 



3.84 

 4.48 

 4.90 



567 



87.5 

 86.8 



16.4 



2.995 



1,566 



11,724 



7,869 



Table 118. — Climatic extremes for Agropyron spicatum. 



Plate Temperature: 



34 Days in normal frostless season (fs) 



35 Hot days, fs 



36 Cold days, fs 



37 Remainder summation above 32°, year (thousands) 



38 Remainder summation above 39°, fs (thousands) . . 



39 Exponential summation, fs (hundreds) 



40 Physiological summation, fs (thousands) 



41 Absolute minimimi 



43 Normal daily mean, coldest 14 days of year (°F.) . , 



44 Normal daily mean, hottest 6 weeks of year (°F.) . 



45 Normal daily mean, year (°F.) 



Precipitation: 



46 Normal daily mean, fs (inch) 



47 Normal No. rainy days (over 0.10 inch), fs 



48 Normal No. dry days (0.10 inch or less), fs 



49 Dry days, percentage of total, fs (per cent) 



50 Days in longest normal rainy period, fs 



51 Days in longest normal dry period, fs 



52 Mean total, year (inches) 



Evaporation: 



53 Daily mean, 1887-88, fs (inch) 



54 Total annual, 1887-88 (inches) 



Moisture ratios: 



58 Normal P/E, fs 



59 Normal ir/E, fs 



60 Normal P/E, year 



Vapor pressure: 



63 Normal mean, fs (hundredths inch) 



Humidity: 



65 Normal mean, fs (per cent) 



66 Normal mean, year (per cent) 



Wind: 



68 Normal mean hourly velocity, fs (miles) 



Sunshine: 



69 Normal total duration, fs (hours) 



Moisture-temperature indices: 



70 Normal P/E XT, fs, remainder method 



71 Normal P/E XT, fs, exponential method 



72 Normal P/E X T, fs, physiological method 



1 



Low. 

 25 









 10.0- 



2.7 



2.8 



3.5 

 -59 





 64.4- 

 35 



.025 

 



41 

 23 

 

 13 

 10- 



.115 

 22.1 



.10 

 .12 

 .14 



233 



40.9 

 45.4 



6.2 



,127 



58 

 563 

 710 



High. 

 198 

 125 

 158 



18.0 + 

 6.1 

 6.5 



11.6 

 +8 



35<» 



78.8 + 



60 



.136 

 141 

 216 

 100 

 136 

 216 

 30 + 



.293 

 79.8 



1.03 

 1.16 

 1.02 



466 



68.4 

 74.1 



14.2 



1,927 



611 



5,744 

 10,599 



