ATMOSPHERIC -ELECTRIC DIURNAL-VARIATION RESULTS 



107 



Table 2. Diurnal-variation measurements of atmospheric-electric elements--Continued 



November 21-22, 1928. Latitude 10f6 S; Longitude 250.°7 E 



550 

 710 

 520 

 480 

 730 

 640 

 690 

 820 

 640 

 710 

 730 

 660 

 770 

 410 

 230 

 250 



410 

 610 

 410 

 620 

 680 

 480 



7.5 

 7.1 

 5.6 

 6.9 

 6.8 

 5.6 

 5.2 

 5.4 

 5.4 

 5.8 

 5.4 

 5.7 

 5.4 

 5.2 

 5.1 

 5.4 

 5.4 

 5.3 

 7.1 

 7.2 

 7.4 

 7.9 

 8.2 

 7.6 



Temp, range: 24.0-22.8 °C. Rel. hum. range: 68-82 per cent. 



Wind: ESE, 4-5. Clouds: acu-ast-cu-stcu-frcu, 1-8. 



Visibility: 3. Few drops rain 21. 2h GMT, Nov. 21. 



November 27-28, 1928. Latitude 24°0 S; Longitude 245?1 E 



GMT 



h 



LMT 



h 



Pot'l: 

 grad. 

 V/m 



Con- 

 duc- 

 tivity 



in 

 10-4 

 esu 



Small 



ions 



per 



cc 



Mobil- 

 ity 

 cm/s 

 per 

 v/cm 



Nu- 

 clei 

 per 

 cc 



Air- 

 earth 

 current 

 density 



in 

 10-7 esu 



k + 



120 

 210 

 210 

 140 

 140 

 340 

 370 

 280 

 480 

 390 

 280 

 250 

 340 

 280 

 270 

 270 

 270 



280 

 270 

 210 

 300 

 270 

 520 



13.1 



12.8 



11.1 



8.2 



8.5 



6.5 



6.3 



5.6 



6.9 



7.6 



7.6 



8.8 



8.9 



9.4 



9.3 



8.6 



8.7 



8.1 



9.8 



9.9 



10.9 



11.0 



12.7 



13.1 



December 3-4, 1928. Latitude 31 f 6 S; Longitude 248f 5 E 



Temp, range: 20.7-19.9 °C. Rel. hum. range: 76-93 per cent. 



Wind: E to SE, 1-4. Clouds: cu-frcu-stcu-cunb-nb, 1-10. 



Visibility: 3. Rain 1.2h-1.3h and 12.5h-12.8h GMT. 



GMT 



h 



LMT 

 h 



Pot'l: 

 grad. 



V/m 



Con- 

 duc- 

 tivity 



in 

 10-4 

 esu 



Small 



ions 



per 



cc 



Mobil- 

 ity 

 cm/s 

 per 

 v/cm 



Nu- 

 clei 

 per 

 cc 



Air- 

 earth 

 current 

 density 



in 

 10-''esu 



18.7 



19.5 



20.8 



21.9 



23.0 



24.0 



0.8 



2.1 



3.0 



4.0 



5.0 



6.0 



7.0 



8.0 



9.0 



10.0 



11.0 



12.0 



13.0 



14.0 



14.8 



16.0 



17.0 



18.1 



11.3 



12.0 



13.3 



14.4 



15.6 



16.6 



17.4 



18.6 



19.6 



20.6 



21.6 



22. 



23. 



0. 



1. 



2. 



3.6 

 4.6 



5.6 

 6.6 

 7.4 

 8.6 

 9.6 

 10.6 



125 



134 



125 



109 



102 



86 



86 



86 



86 



86 



99 



109 



109 



122 



122 



125 



125 



134 



134 



157 



157 



163 



163 



163 



\- 



1.05 

 1.04 

 1.07 

 1.11 

 1.12 

 1.16 

 1.09 

 1.11 

 1.14 

 1.15 

 1.13 

 1.13 

 1.08 

 1.11 

 1.08 

 1.07 

 1.13 

 1.15 

 1.10 

 1.02 

 1.05 

 0.98 

 0.98 

 0.98 



471 

 421 

 450 

 498 

 488 

 554 

 517 

 537 

 530 

 543 

 522 

 507 

 544 

 536 

 549 

 518 

 541 

 564 

 556 

 507 

 489 

 360 

 363 

 357 



k. 

 1.55 

 1.72 

 1.65 

 1.55 

 1.59 

 1.45 

 1.46 

 1.43 

 1.49 

 1.47 

 1.50 

 1.55 

 1.38 

 1.44 

 1.37 

 1.43 

 1.45 

 1.41 

 1.37 

 1.40 

 1.49 

 1.89 

 1.87 

 1.90 



1600 

 1200 

 2000 

 2700 

 3200 

 4600 

 3400 

 2800 

 5000 

 4500 

 2800 

 2800 

 2000 

 1800 

 1800 

 2500 

 1800 

 3200 

 2300 

 4300 

 2000 

 1600 

 2500 

 1800 



9.2 



9.7 



9.4 



8.5 



8.0 



7.0 



6.6 



6.7 



6.9 



6.9 



7.8 



8.6 



8.2 



9.5 



9.2 



9.4 



9.9 



10.8 



10.3 



11.2 



11.5 



11.2 



11.2 



11.2 



10. 1 lU.D IDO u.ao oo I i.yyj iouu 1 1.£. 



Temp, range: 23.0-21.8 °C. Rel. hum. range: 73-85 per cent. 



Wind: NW to NNW, 3-4. Visibility: 3. 



Clouds: cist-ast-frcu-stcu, 5-10. 



December 18-19, 1928. Latitude 32f3 S; Longitude 252°1 E 



GMT 

 h 



LMT 



h 



Pot'l: 

 grad. 

 V/m 



Mobil- 

 ity 

 cm/s 

 per 

 v/cm 



X+ n+ k+ 



18.5 11.4 195 1.15 349 2.29 14.3 



19.4 12.3 179 1.01 361 1.94 11.5 



20.5 13.3 179 1.07 423 1.76 12.2 



21.4 14.2 173 1.10 451 1.69 12.1 



22.5 15.3 150 1.11 487 1.58 10.6 



23.5 16.3 147 1.12 507 1.53 10.5 



0.5 17.3 138 1.12 473 1.64 9.8 



1.2 18.0 131 1.08 469 1.60 9.0 



2.3 19.1 131 1.05 462 1.58 8.8 



3.3 20.1 131 1.04 442 1.63 8.7 



4.4 21.2 150 1.02 430 1.65 9.8 



5.4 22.2 163 1.00 425 1.63 10.4 



6.5 23.3 163 0.98 437 1.56 10.2 



7.4 0.2 166 1.00 428 1.62 10.6 



8.5 1.3 157 0.97 473 1.42 9.7 



9.7 2.5 176 0.99 502 1.37 11.1 



10.4 3.2 150 1.04 443 1.63 10.0 



11.4 4.2 166 1.03 458 1.56 10.9 



12.6 5.4 189 0.98 452 1.50 11.8 



13.4 6.2 195 0.99 441 1.56 12.3 



14.6 7.4 205 1.01 442 1.59 13.2 



15.6 8.4 205 1.02 424 1.67 13.3 



16.5 9.3 208 1.04 435 1.66 13.8 



17.4 10.2 205 1.01 427 1.64 13.2 



Temp, range: 22.2- 19.6 'C. Rel. hum. range: 66-84 per cent. 



Wind: NXW to NEXN, 1-4. Visibility: --. 



Clouds: ci-cist-ast-cu-stcu, 0-10. 



