From left to right the rain gauges are:-

Standard five inch manual, Arg/100 aerodynamic tipping bucket 0.2.
Standard five inch manual, unidata tipping bucket 0.2.
Standard five inch manual, Campbell Scientific tipping bucket 0.2 (heated)

mm:dd:yyyy hr:mm,  man,  tbr,sbman,sbtbr,msman,httbr
mm:dd:yyyy hr:mm,   mm,   mm,   mm,   mm    mm    mm

01-01-2018 09:00,  6.5,  6.6,  6.5,  6.8,  6.5,    x
01-02-2018 09:00,  8.1,  8.6,  8.1,  9.0,  8.1,    x
01-03-2018 09:00,  9.5, 10.2, 10.0, 11.4, 10.0,    x
01-04-2018 09:00, 10.2, 10.2, 10.2, 10.6, 10.3,    x
01-05-2018 09:00,  4.9,  4.4,  4.8,  4.4,  5.0,    x
01-06-2018 09:00,  1.9,  3.0,  2.0,  2.6,  2.1,    x
01-07-2018 09:00,  6.6,  6.8,  6.6,  7.0,  6.7,    x
01-08-2018 09:00,    0,    0,    0,    0,    0,    0
01-09-2018 09:00,    0,    0,    0,    0,    0,    0
01-10-2018 09:00,  1.2,  1.2,  1.2,  1.0,  1.3,    x
01-11-2018 09:00,  2.0,  2.0,  2.0,  2.0,  2.1,    x
01-12-2018 09:00,  1.7,  1.6,  1.8,  1.8,  1.8,    x
01-13-2018 09:00,    0,    0,    0,    0,    0,    0
01-14-2018 09:00,    0,    0,    0,    0,    0,    0
01-15-2018 09:00,  3.5,  2.8,  3.0,  2.6,  4.0,    x
01-16-2018 09:00,  6.6,  7.2,  6.1,  6.8,  6.8,    x
01-17-2018 09:00,   .4,   .2,   .6,   .2,   .6,    x
01-18-2018 09:00,  3.4,  4.2,  3.8,  3.0,  3.5,    x
01-19-2018 09:00,   tr,    0,   .1,    0,   .2,    x
01-20-2018 09:00,  1.0,   .8,   .9,   .6,  1.0,    x