Table B-21. Meteorological observations, November 1979. 



Day 



Time 



Cloud 

 (pet) 



Visi- 

 bility 



(km) 



Amount of 

 precipi- 

 tation 



(mm) 



Atmos- 

 pheric 

 pressure 

 (mb) 



Pressure 

 trends' 





Temperatu 



re CO 





Land 





High 



Low 



Dry 

 bulb 



Wet 

 bulb 



Dew 

 point 



Wind- 

 speed 

 (m/s) 



Wind 

 direction 

 (true N.) 



1 



0730 



30 



16 







1027.3 



303 



18.3 



15.0 



18.0 



16.0 



15 



7.2 



90 



2 



0730 



60 



16 







1021.2 



507 



21.1 



14.4 



18.0 



17.0 



16 



4.1 



130 



5 



0730 



75 



24 



45 



1030.7 



320 



12.2 



10.6 



13.0 



10.0 



7 



7.2 



50 



6 



0730 



25 



24 







1026.0 



603 



15.6 



11.7 



16.0 



14.0 



13 



3.6 



90 



7 



0730 







24 







1019.9 



307 



20.0 



7.2 



11.0 



9.0 



6 



4.1 



320 



8 



0730 



10 



16 







1020.9 



314 



16.7 



6.1 



10.0 



9.0 



8 



2.6 



360 



9 



0730 



50 



16 







1017.5 



503 



17.2 



5.0 



14.0 



13.0 



12 



3.6 



130 



13 



0730 



100 



6 



27 



1014.1 



500 



13.9 



11.7 



16.0 



15.5 



15 



5.1 



50 



U 



0730 



100 



13 



2 



1016.5 



224 



15.6 



7.8 



9.5 



7.0 



4 



7.2 



320 



15 



0730 



10 



16 







1025.6 



114 



11.7 



3.3 



5.5 



3.5 



2 



3.6 



320 



16 



0730 



75 



24 







1018.5 



107 



11.1 



4.4 



10.0 



7.0 



5 



4.1 



250 



19 



1450 







24 







1024.3 



102 



20.0 



-2.2 



18.5 



16.0 



15 



1.5 



130 



21 



1200 







24 







1029.7 



000 



16.7 



8.9 



15.8 



15.8 



15 



1.5 



50 



23 



0730 



10 



24 







1024.6 



207 



22.8 



6.1 



17.0 



16.5 



16 



4.1 



180 



27 



0730 



10 



24 



46 



1024.6 



220 



24.4 



11.7 









2.6 



250 



28 



0730 



90 



16 







1018.2 



710 



15.4 



11.7 



15.0 



14.0 



14 



4.1 



200 



29 



0730 



10 



24 







1014.8 



Z14 



21.1 



6.7 



7.5 



6.0 



4 



5.7 



320 



30 



0730 



10 



24 







1022.2 



320 



10.6 



-0.6 









4.6 



320 



' See keynotes . 



Table B-22« Meteorological observations, December 1979. 



Day Time Prevailing 

 weather 

 conditions' 



0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0730 

 0830 

 0800 

 0800 



Vlsl- Amount of Atmos- 

 blllty preclpl- pherlc 



tatlon pressure 

 (km) (mm) (mb) 



24 







100 

 100 

 100 



1034.8 

 1025.6 

 1019.9 

 1014.8 

 1011.4 

 1027.7 

 1028.0 

 1027.0 

 1022.9 

 1024.9 

 1019.9 

 1030.0 

 1024.3 

 1024.6 

 1029.7 

 1026.0 

 1010.7 

 1019.5 

 1025.3 



Pressure 

 trends' 



614 

 400 

 001 

 234 

 500 

 214 

 301 

 000 

 234 

 258 

 117 

 000 

 324 

 107 

 303 

 241 

 217 

 217 



Dry Wet 

 bulb bulb 



10.0 

 6.1 

 10.0 

 15.5 

 16.7 

 13.9 

 13.3 

 16.7 

 19.4 

 19.4 

 14.4 

 2.8 

 3.3 

 9.4 

 10.6 

 11.1 



11.1 

 9.4 



3.9 

 11.1 

 1.7 

 5.6 

 5.0 

 8.3 

 7.8 

 2i8 

 -3.3 

 1.7 

 1.7 

 7.2 

 6.1 



2.2 

 2.2 



-0.5 

 2.8 

 4.5 



11.6 



12.2 

 6.1 

 6.1 

 8.9 



13.9 



2.8 

 -2.8 

 2.6 

 9.4 

 8.4 

 7.8 

 6.7 

 3.9 

 6.5 



-1.0 

 2.0 

 4.0 



10.5 



11.5 

 5.5 

 5.0 

 8.0 



13.0 



1.0 

 -4.0 

 2.0 

 7.5 

 7.0 

 8.0 

 6.0 

 4.0 

 4.0 



Dew Wind- 

 point speed 

 (m/s) 



2.6 

 3.1 

 1.5 

 3.1 

 3.6 

 9.3 

 10.3 

 3.1 

 1.0 

 6.2 

 6.2 

 3.1 

 4.1 

 1.0 

 2.6 



Wind 

 direction 

 (true N.) 



320 

 200 

 200 

 200 

 320 

 230 

 200 

 200 

 200 

 20 

 340 

 340 

 230 



320 

 320 

 320 



'See keynotes. 



89 



