CORRELATION OF DISTRIBUTIONAL FEATURES. 



453 



Table 102. — Climatic extremes for Serenoa serullata — Continued. 



Plate 

 53 

 54 



58 

 59 

 60 



63 



65 

 66 



68 



69 



70 



71 



72 



Evaporation: 



Daily mean, 1887-88, fs (inch) 



Total annual, 1887-88 (inches) 



Moisture ratios: 



Normal P/E, fs 



Normal ir/E, fs 



Normal P/E, year 



Vapor pressure: 



Normal mean, fs (hundredths inch) 



Humidity: 



Normal mean, fs (per cent) 



Normal mean, year (per cent) , 



Wind: 



Normal mean hourly velocity, fs (miles) . . 

 Sunshine: 



Normal total duration, fs (hours) 



Moisture-temperature indices: 



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



Normal P/E X T, fs, exponential method . , 



Normal P/E X T, fs, physiological method 



Table 103. — Climatic extremes for Waskingtonia filamentosa. 



Plate Temperature: 



34 Days in normal frostless season (/s) 



35 Hot days, fs 



36 Cold days, fs 



37 Remainder siimmation above 32°, year (thousands) 



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



39 Exponential summation, fs (hundreds) 



40 Physiological summation, fs (thousands) 



41 Absolute minimum 



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 



62 Mean total, year (inches) 



Evaporation: 



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



54 Total annual, 1887-88 (inches) 



Moisture ratios: 



58 Normal P/E, fs 



59 Normal tt/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 



Low. 

 240-° 

 120- 

 



18.0 

 8.0-« 

 8.0-<» 

 12.5+" 

 -4+a 

 50 +« 

 71.6- 

 70- 



.020-<» 







250+" 



90 +« 







250 +" 



10- 



.180-" 

 80-" 



.20-" 

 .20-" 

 .10-" 



300 +» 



40" 



40+" 



6" 



2,500" 



100" 

 1,000" 

 1,000" 



High. 

 240 +" 

 150 + 

 



26.0 



10. 0+" 



10. 0+" 



15. 0+" 

 +14+" 



50+" 



78.8 + 



70 + 



.020+" 







275+" 



100 







250 +" 



10 + 



.180+" 

 90+" 



.20+" 

 .20+" 

 .10+" 



300 +" 



50" 



40+" 



2,700" 



100 +" 

 1,000+" 

 1,000+" 



