Wiggins TT results this year including prologues (I list the top 5):
Volta Algarve stage 5 - 25.8k
1.  Bradley Wiggins (Sky Procycling)               32:48
2.  Tony Martin (Omega Pharma - Quickstep)
3.  Richie Porte (Sky Procycling)                   + 0:13
4.  Tejay Van Garderen (BMC Racing Team)    + 0:14 
5.  Jesse Sergent (RadioShack - Nissan)
Paris-Nice stage 1 - 9.4k
1  LARSSON, Gustav (VACANSOLEIL-DCM)              11' 19"
2  WIGGINS, Bradley (SKY PROCYCLING)                + 00' 01"
3  LEIPHEIMER, Levi (OMEGA PHARMA-QUICKSTEP)  + 00' 04"
4  VAN GARDEREN, Tejay (BMC RACING)                 + 00' 09"
5  DE GENDT, Thomas (VACANSOLEIL-DCM)            + 00' 12"
Paris-Nice stage 8 - 9.6k (mountain TT)
1  WIGGINS, Bradley (SKY PROCYCLING)                19' 12"
2  WESTRA, Lieuwe (VACANSOLEIL-DCM)               + 00' 02"
3  PERAUD, Jean-Christophe (AG2R LA MONDIALE)   + 00' 33"
4  SPILAK, Simon (KATUSHA)                               + 00' 47"
5  COPPEL, Jerome (SAUR - SOJASUN)                  + 00' 51"
Tour de Romandie prologue - 3.3k
1  THOMAS, Geraint (SKY PROCYCLING)                3:29
2  NIZZOLO, Giacomo (RADIOSHACK-NISSAN)        + 0:05
3  CAVENDISH, Mark (SKY PROCYCLING)               + 0:06
4  ROGERS, Michael (SKY PROCYCLING)               
5  VANDEVELDE, Christian (GARMIN-BARRACUDA)       
11 WIGGINS, Bradley (SKY PROCYCLING)               + 0:09
Tour de Romandie stage 5 - 16.5k 
1  WIGGINS, Bradley (SKY PROCYCLING)          28:56
2  TALANSKY, Andrew (GARMIN-BARRACUDA)    + 0:01
3  PORTE, Richie (SKY PROCYCLING)               + 0:17
4  FARIA DA COSTA, Rui Alberto (MOVISTAR)   + 0:23
5  KREUZIGER, Roman (ASTANA)                    + 0:40
Critérium du Dauphiné prologue - 5.7k
1  DURBRIDGE, Luke (ORICA - GREENEDGE)      06' 38"
2  WIGGINS, Bradley (SKY PROCYCLING)         + 00' 01"
3  GRIVKO, Andriy (ASTANA)                         + 00' 03"
4  BARREDO LLAMAZALES, Carlos (RABOBANK)         
5  MARTIN, Tony (OMEGA PHARMA-QUICKSTEP)+ 00' 05"
Critérium du Dauphiné stage 4 - 53k
1  WIGGINS, Bradley (SKY PROCYCLING)            1h 03' 12"
2  MARTIN, Tony (OMEGA PHARMA-QUICKSTEP)  + 00' 34"
3  ROGERS, Michael (SKY PROCYCLING)             + 01' 11"
4  KELDERMAN, Wilco (RABOBANK)                    + 01' 25"
5  CHAVANEL, Sylvain (OMEGA PHARMA-QUICKSTEP) + 01' 33"
Tour de France prologue - 6.4k
1  CANCELLARA, Fabian (RADIOSHACK-NISSAN)    7:13
2  WIGGINS, Bradley (SKY PROCYCLING)             + 7
3  CHAVANEL, Sylvain (OMEGA PHARMA-QUICKSTEP)   
4  VAN GARDEREN, Tejay (BMC RACING)             + 10
5  BOASSON HAGEN, Edvald (SKY PROCYCLING)   + 11
Tour de france stage 9 - 41.5k
1  WIGGINS, Bradley (SKY PROCYCLING)                51:24
2  FROOME, Christopher (SKY PROCYCLING)            +   35
3  CANCELLARA, Fabian (RADIOSHACK-NISSAN)       +   57
4  VAN GARDEREN, Tejay (BMC RACING)                 + 1:06
5  CHAVANEL, Sylvain (OMEGA PHARMA-QUICKSTEP)+ 1:24
Tour de france stage 19 - 53k
1  WIGGINS, Bradley (SKY PROCYCLING)              1:04:13
2  FROOME, Christopher (SKY PROCYCLING)          + 1:16
3  SANCHEZ GIL, Luis Leon (RABOBANK)               + 1:50
4  VELITS, Peter (OMEGA PHARMA-QUICKSTEP)     + 2:02
5  PORTE, Richie (SKY PROCYCLING)                    + 2:25
Wiggins is extremely consistent. He has was won all longer time trials he has competed in this year, some with quiet a small margin (Volta Algarve, Paris-Nice stage 8, Tour de Romandie stage 5), other with a bigger margin (DL and TDF). His latest time trials has been his most impressive even if the competition has been less good in one of them (TdF stage 19).