ATMOSPHERIC -ELECTRIC DIURNAL-VARIATION RESULTS 



109 



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



February 18-19, 1929. Latitude 14.°0 S; Longitude 255f 5 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 

 lO-^esu 



19.1 



20.3 



21.3 



22.2 



23.1 



24.0 



1.0 



2.0 



2.9 



4.0 



5.0 



6.1 



7.2 



8.2 



9.2 



10.3 



11.2 



12.3 



13.3 



14.2 



15.4 



16.3 



17.1 



18.0 



12.1 



13.4 



14.4 



15.3 



16.1 



17.0 



18.0 



19.0 



20.0 



21,0 



22.1 



23.1 



0.2 



1.2 



2.2 



3.3 



4.3 



5.3 



6.4 



7.2 



8.4 



9.3 



10.1 



11.1 



176 

 189 

 160 

 160 

 144 

 125 

 122 

 115 

 109 

 106 

 112 

 134 

 141 

 147 

 131 

 157 

 147 

 147 

 166 

 157 

 173 

 150 

 170 

 173 



\_ 



0.89 

 0.90 

 0.99 

 1.03 

 1.06 

 1.03 

 1.00 

 1.10 

 1.07 

 1.13 

 1.09 

 1.06 

 1.08 

 1.06 

 1.09 

 1.01 

 1.05 

 1.05 

 0.95 

 1.03 

 1.10 

 1.21 

 1.20 

 0.98 



523 

 488 

 541 

 534 

 556 

 547 

 560 

 626 

 633 

 735 

 610 

 570 

 598 

 564 

 551 

 542 

 534 

 562 

 510 

 589 

 574 

 594 

 594 

 505 



k. 



1.18 



1.28 



1.27 



1.33 



1.32 



1.31 



1.24 



1.22 



1.17 



1.07 



1.24 



1.29 



1.25 



1.30 



1.37 



1.29 



1.37 



1.30 



1.29 



1.21 



1.33 



1.41 



1.40 



1.35 



1880 

 1110 

 1250 

 1740 

 1670 

 1950 



2090 

 2850 

 2360 

 2020 

 2090 

 3340 

 3820 

 3410 

 3200 

 1600 

 2920 

 2150 

 3750 

 4450 

 3750 

 3480 

 4450 



11.0 



11.9 



11.1 



11.5 



10.7 



9.0 



8.5 



8.9 



8.2 



8.4 



8.5 



10.0 



10.7 



10.9 



10.0 



11.1 



10.8 



10.8 



11.1 



11.3 



13.3 



12.7 



14.3 



11.9 



Temp, range: 26.0-23.4 °C. Rel. hum. range: 69-82 per cent. 



Wind: ExStoSExE,4. Visibility: 3. 



Clouds: cu-frcu, 1-4. 



February 26-27, 1929. Latitude 13.° 1 S; Longitude 237°4 E 



GMT 



h 



LMT 



h 



Pot'lr 

 grad. 

 V/m 



Mobil- 

 ity 

 cm/s 

 per 

 v/cm 



Nu- 

 clei 

 per 

 cc 



Air- 

 earth 

 current 

 density 



in 

 10-7esu 



20.1 



21.0 



21.9 



22.8 



23.8 



0.8 



1.9 



3.0 



4.0 



4.9 



5.9 



6.9 



7.9 



9.0 



9.9 



11.2 



12.2 



13.2 



14.2 



15.2 



16.1 



17.2 



18.1 



19.2 



12.0 



12.8 



13.8 



14.6 



15.6 



16.6 



17.7 



18.8 



19.8 



20.8 



21.8 



22.7 



23.8 



0.8 



1.7 



3.0 



4.0 



5.1 



6.0 



7.0 



8.0 



9.0 



10.0 



11.0 



106 

 166 

 147 

 166 

 141 

 125 

 138 

 112 

 102 

 112 

 109 

 112 

 112 

 138 

 129 

 133 

 164 

 160 

 168 

 168 

 179 

 176 

 205 

 208 



0.75 

 0.84 

 0.85 

 0.88 

 0.75 

 0.81 

 0.86 

 0.86 

 0.85 

 0.87 

 0.92 

 0.92 

 0.94 

 0.88 

 0.83 

 0.91 

 0.90 

 0.95 

 0.90 

 0.79 

 0.66 

 0.97 

 0.97 

 0.98 



n+ 



434 

 466 

 467 

 478 

 473 

 483 

 536 

 520 

 523 

 517 

 513 

 546 

 515 

 485 

 486 

 491 

 517 

 530 

 436 

 401 

 505 

 483 

 518 



i'.'34 

 1.27 

 1.31 

 1.09 

 1.19 

 1.24 

 1.11 

 1.13 

 1.15 

 1.23 

 1.24 

 1.19 

 1.19 

 1.19 

 1.30 

 1.27 

 1.27 

 1.18 

 1.26 

 1.14 

 1.33 

 1.39 

 1.31 



4590 



4030 

 3270 

 3480 

 3130 

 3480 

 2220 

 1180 

 2150 

 1670 

 1390 

 1880 

 2640 

 2850 

 2430 

 1180 

 2430 

 2780 

 2150 

 2990 

 2920 

 3890 

 4800 



5.1 

 8.9 

 7.9 

 9.3 

 6.7 

 6.5 

 7.5 

 6.1 

 5.5 

 6.2 

 6.4 

 6.6 

 6.7 

 7.7 

 6.8 

 7.7 

 9.4 

 9.7 

 9.6 

 8.5 

 7.5 

 10.9 

 12.6 

 13.0 



Temp, range: 27.8-26.1 °C. Rel. hum. range: 64-75 percent. 



Wind: E to ExS, 3-5. Visibility: 3. 



Clouds: ci-cist-cu-frcu-cunb, 1-9. 



Showers Feb. 26, 20. Oh and Feb. 27, 10.2h GMT. 



March 10-11, 1929. Latitude 18.°0 S; Longitude 215f5 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 

 lO-'esu 



20.3 



21.1 



2?.0 



23.0 



0.2 



1.3 



2.3 



3.3 



4.5 



5.3 



6.4 



10.7 

 11.5 

 12.3 

 13.4 

 14.5 

 15.6 

 16.7 

 17.7 

 18.9 

 19.7 

 20.8 



214 

 218 

 230 

 207 



i'57 

 163 

 67 

 29 

 81 

 99 



1.05 

 1,03 

 1.03 

 1.03 

 1.13 

 1.20 

 1.29 

 1.27 

 1.21 

 1.14 

 1.17 



n+ 

 588 

 582 

 572 

 578 

 530 

 573 

 679 

 485 



626 

 558 



.24 



.23 



.25 



.24 



.48 



1.45 



1.32 



1.82 



2290 

 2020 

 2360 

 1390 

 1810 

 2850 

 2220 



14.3 

 14.3 

 15.1 

 13.6 



1.26 

 1.46 



1810 



12.0 

 13.4 

 5.4 

 2.2 

 5.9 

 7.4 



Observations discontinued because of bad weather; rain from 

 3. Oh GMT. 



March 25-26, 1929. Latitude 16;'5 S; Longitude 203°7 E 



GMT 

 h 



LMT 



h 



Pot'lr 

 grad. 



V/m 



Mobil- 

 ity 

 cm/s 

 per 

 v/cm 



Observations discontinued because of bad weather. 



March 27-28, 1929. Latitude 15?7 S; Longitude 199? 1 E 



GMT 

 h 



LMT 



h 



Pot'lr 

 grad. 

 V/m 



Mobil- 

 ity 

 cm/s 

 per 

 v/cm 



22.5 

 0.2 

 1.2 

 2.2 

 3.2 

 4.2 

 5.4 

 6.2 

 7.2 

 8.1 

 9.2 

 10.1 

 11.1 



11.8 

 13.4 

 14.4 

 15.5 

 16.5 

 17.5 

 18.6 

 19.5 

 20.4 

 21.4 

 22.4 

 23.4 

 0.4 



176 

 125 



94 

 109 



99 

 104 



96 

 102 

 138 



^+ 

 0.93 

 0.92 

 1.00 

 0.92 

 1.04 

 1.16 

 1.12 

 1.13 

 1.10 

 1.17 

 0.93 

 1.11 

 1.07 



n+ 

 441 

 520 

 403 



553 

 611 

 635 

 618 

 636 



592 

 510 



k + 

 1.46 

 1.23 

 1.72 



1.46 

 1.27 

 1.23 

 1.23 

 1.28 



1.30 

 1.46 



1460 



1320 



970 



1390 



1460 



1250 



630 



850 



1200 



1030 



610 



490 



520 



10.4 

 7.3 



6.2 

 8.1 

 7.1 

 7.5 

 6.7 

 7.6 

 8.2 



Observations discontinued because of thunder, lightning, and 



rain. 



Temp, range: 29.0-27.2 °C. Rel. hum. range: 77-82 per cent. 



Wind: NxE to ENE, 2-4. Visibility: 3. 



Clouds: ci-cu-cunb, 4-10. 



