[atlas] Wrong uptime information in monthly report

Hi,

I got the following report of a drone:

--------------------------------------------------------------------------------------------------------------
This is your monthly availability report for probe 3146 (T-Online Call & 
Surf Comfort IP Speed 50/10 MBit/s ).

Calculation interval    : 2014-09-01 00:00:00 - 2014-10-01 00:00:00
Total Connected Time    :  15d 16:46
Total Disconnected Time :  14d 07:13
Total Availability      :     52.33%

+---------------------+---------------------+------------+--------------+
| Connected (UTC)     | Disconnected (UTC)  | Connected  | Disconnected 
|
|---------------------+---------------------+------------+--------------+
| 2014-08-14 11:37:26 | 2014-09-02 02:22:27 |   1d 02:22 |     0d 00:00 
|
| 2014-09-02 02:36:21 | 2014-09-04 23:40:28 |   2d 21:04 |     0d 00:13 
|
| 2014-09-05 00:03:58 | 2014-09-16 17:23:55 |  11d 17:19 |     0d 00:23 
|
+---------------------+---------------------+------------+--------------+

----------------------------------------------------------------------------------------------------------------


https://atlas.ripe.net/probes/3146/#!tab-network shows an uptime of 
99.83%. Please fix this!


-- 
Best regards,

Renne