Description of elements in the header
m_ssramount of monthly global radiation
m_srxthe maximum global radiation in the month
m_srxdthe day with the maximum global radiation
2012.m_ssrm_srxm_srxd
January
February21522.71300.12012-02-22
March43241.41829.82012-03-26
April
May61562.72725.82012-05-10
June
July71938.42838.12012-07-01
August67299.52555.72012-08-01
September
October26191.21347.52012-10-04
November14151.2812.12012-11-06
December7558.2599.12012-12-13