522 



SMITHSONIAN METEOROLOGICAL TABLES 



Compressibility factor, moist air, 295, 332- 

 333 

 water vapor, 341-342 

 Condensation level, lifting, 328-330 

 Condensation rate, in ascending moist air, 



325-326 

 Condensation temperature, 328-330 

 Conductivity, thermal : 

 air, 394-395 

 ice and snow, 404 

 soils and rocks, 405 

 water, 403 

 Conductivity, thermometric, air, 394-395 

 Conversion factors, 9-16 

 Coriolis parameter and latitudinal variation, 



130 

 Correction of altimeter. (See altimeter, 



correction.) 

 Curvature, effect of, on saturation vapor 

 pressure, 374 

 radius of, on polar stereographic pro- 

 jection, 486-487 



Day, conversion to decimals of hours, min- 

 utes, seconds, 107 

 conversion to decimals of year and 



angle, 102-105 

 mean solar, 11 

 pendulum, 130 

 sidereal, 11 

 Daylight, duration of, 506-512 

 Days, since January 1, 102-105 

 Degree of latitude per day, conversion fac- 

 tors, 12 

 Density, air, 290-294 



conversion factors, 12 

 ice, 404 

 mercury, 4 

 soils and rocks, 405 

 water, 403 



water vapor at saturation, over ice, 

 381, 384-385 

 over water, 381-383 

 Dew point conversion chart, water to ice, 



371 

 Dew point temperature, definition, 347 

 from psychrometric data, centigrade 

 scale, 368 

 Fahrenheit scale, 369 

 Diffusivity, thermal, ice and snow, 404 

 soils and rocks, 405 

 water vapor, in air, 394-395 

 Drag coefficient, water droplets in air, 396 

 Drizzle droplets, size and rate of fall, 396- 



397 

 Droplets, equilibrium supersaturation, 374- 

 379 



Drops, water, evaporation, 398 



rate of fall, 396 



size, 398 

 Dust, particle size and rate of fall, 396-397 

 Dynamic height, 217, 224 

 Dynamic viscosity of air, 394-395 



Earth, albedo of, 443 



angular velocity of, 130 



dimensions, 481 

 Energy, conversion factors, 14, 15 



distribution of solar radiation, 416 



equivalent of calorie, 289 

 Enthalpy residual, moist air, 334-335 



water vapor, 341-342 

 Entropy residual, moist air, 336-337 



water vapor, 341-342 

 Ephemeris of the sun, 495-496 

 Equation of state, moist air, 391 



virial form, 391 

 Equation of time, 495-496 

 Equivalent temperature, definition, 349 

 Erg, conversion factors, 14 

 Evaporation of water drops, 398 

 Eye, relative spectral luminosity, 448-452 

 Extinction coefficient, 453-478 



Fahrenheit temperature, conversion formu- 

 lae, 17 



conversion tables, 17-24 

 Fathom, conversion factors, 9 

 Feet. (See Foot.) 

 Feet per minute, conversion factors, 12 



conversion table, 115 

 Feet per second, conversion factors, 12 



conversion tables, 115 

 Fields, albedo, 443 



Fixed cistern barometers, temperature cor- 

 rection, 138 

 Fluid ounce, conversion factors, 10 

 Fog droplet, size and rate of fall, 396-397 

 Foot, conversion factors, 9-10 



conversion table, 92-93 



geopotential, definition, 217, 256 

 Foot-candle, conversion factors, 15 

 Foot-lambert, conversion factors, 16 

 Foot-pound, conversion factors, 14 

 Force, conversion factors, 14 

 Forest, albedo, 442 

 Forty-five degree pressure units, conversion 



factors, 13 

 Fresnel formula, 444 



Frost-point, from psychrometric data, 365- 

 369 



temperature, definition, 348 

 Fusion, latent heat of, water, 343 



