Add Gueymard stations

[AdamRJensen]

• [x] BMSOLx Black Mountain (Canberra) Australia -35.275 149.1136 595 LST+UTC 2012 2014 CSIRO 3 Alberto Troccoli, CSIRO
• [ ] Lille France 50.61121 3.14044 63 UTC 2014 2018 LOA
• [ ] M'Bour Senegal 14.394 -16.958 21 UTC 2014 2018 LOA
• [x] Nevada Power Clark Station USA (NV) 36.08581 -115.05189 523 2011 2015 NREL 1 2 NREL no DIF; DNI: NIP; GHI: CMP3
• [ ] Masdar (Abu Dhabi) UAE 24.4418 54.6166 6 2013 2017 Masdar 3 Peter Armstrong, Masdar Institute
• [ ] Jaen Spain 37.787767 -3.778132 459 2015 2018 U.Jaen 3 David Pozo, U. Jaen
• [x] Niamey Niger 13.4773 2.1758 223 2005 2006 ARM 3 ARM-DOE
• [x] Seoul Korea 37.46 126.95 300 LST 2012 2015 SKYNET 2 Sang Woo Kim and B. J. Sohn, SKYNET no DIF; http://atmos3.cr.chiba-u.jp/skynet/seoul/seoul.html
• [x] Phimai Thailand 15.184 102.564 212 LST 2015 2019 SKYNET 2 "Hitoshi Irie and Tamio Takamura (CEReS/Chiba-U.), SKYNET" no DIF; data at 10-s resolution; http://atmos3.cr.chiba-u.jp/skynet/phimai/phimai.html

[AdamRJensen]

I've attempted to take contact to the remaining station owners.

[AdamRJensen]

Jaen stopped making measurements in 2020.