512 



H. MOHN. METEOROLOGY. 



[nORW. POL. EXP. 



The following Table gives, for each month, for the seasons, and for the 

 year, the weighted and smoothed means for 3 or 2 years of the bi-hourly 

 deviations of the amount of cloud from the monthly mean. 



2li 



4h 



6ii 



8t 



lot 



Noon 



2ii 



4h 



6ii 



8t 



lot 



Mnt. 



Monthly 

 Mean 



January . . 

 February 

 March . . 

 April . . . , 

 May . . . , 

 June . . . , 

 July ... 

 August . , 

 September 

 October . 

 November 

 December 



Winter. . 

 Spring . . 

 Summer . 

 Autumn . 



+0-15 

 -0-54 

 -0-21 

 -0-71 

 -0-09 

 -0-19 

 + 0-06 

 +0-08 

 +0-04 

 -0-33 

 -0-21 

 -0-05 



-0-15 

 -0-34 

 -0-02 

 -0-17 



+ 0-05 

 -0-55 

 -0-10 

 -0-59 

 -0-20 

 -0-27 

 -0-35 

 -0-24 

 +0-17 

 -0-56 

 -0-21 

 -0-22 



-0-24 

 -0-30 

 -0-29 

 -0-20 



+0-43 

 -017 

 +0-18 

 -0-31 

 -0-19 

 -0-19 

 -0-40 

 -0-18 

 +0-29 

 -0-46 

 +0-03 

 -0-21 



+0-02 

 -0-11 

 -0-26 

 -0-05 



+ 0-48 

 + 0-49 

 +0-53 

 -0-18 

 -0-13 

 -0-06 

 -0-07 

 -0-05 

 +0-16 

 -0-22 

 + 0-35 

 -0-03 



+0-31 

 +0-07 

 -006 

 +0-10 



+0-17 

 +0-80 

 +0-40 

 -0-14 

 +0-03 

 +0-01 

 +0-20 

 -0-06 

 -0-08 

 -0-03 

 +0-30 

 +0-05 



+0-34 

 + 010 

 +0 05 

 +0-06 



+0-06 

 +0-64 

 +0-15 

 +0-34 

 + 0-14 

 +005 

 +0-24 

 -0-09 

 -0-18 

 +0-33 

 +0-24 

 +0-12 



+0-27 

 +0-21 

 + 0-07 

 +0-13 



-005 

 +0-39 

 +0-01 

 +0-55 

 +0-04 

 +0-06 

 +0-21 

 -0-03 

 -0-22 

 +0-55 

 +0-16 

 +0-25 



+0-20 

 +0-20 

 +0-08 

 +0-16 



-0-26 

 +0-17 

 -0-08 

 +0-37 

 -0-07 

 +0-13 

 +0-21 

 +0-08 

 -0-28 

 +0-46 

 +0-04 

 +0-15 



+0-02 

 +0-07 

 +0-14 

 +007 



-0-45 

 +0-13 

 -0-04 

 + 0-27 

 +0-03 

 +0-25 

 +0-19 

 +0-15 

 -0-17 

 +0-19 

 -0-10 

 -020 



-0-17 

 + 0-09 

 +0-20 

 -0-03 



-0-39 

 -0-33 

 -0-02 

 +0-19 

 +0-16 

 +0-19 

 +0-14 

 +0-22 

 +0-05 

 + 0-06 

 -0-19 

 -0-02 



-0-25 

 + 011 

 +0-18 

 -0-03 



+0-07 

 -0-35 

 -0-11 



-0-08 

 + 0-18 

 +0-01 

 -0-08 

 +0-23 

 +0-11 

 0-00 

 -0-17 

 +0-31 



+0-01 



0-00 



+0-05 



-0-02 



+ 0-18 

 -0-42 

 -0-27 

 -0-47 

 +0-11 

 +0-08 

 -0-09 

 + 0-12 

 +0-05 

 -0-10 

 -0-24 

 -Oil 



-0-12 

 -0-21 

 +0-04 

 -0-10 



3-65 

 4-07 

 5-62 

 4-84 

 7-57 

 8-67 

 9-06 

 8-45 

 9-10 

 6-26 

 3-89 

 3-55 



3-76 

 6-01 

 8-73 

 6-42 



