A PA28 PLT RPTS MODERATE TO SEVERE TURB WITH GUST NEAR DXR. HE TERMINATED HIS FLT; RETURNING TO DEP ARPT.

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DURING CRUISE AT 2800 FT MSL ON A LOCAL FLT INTO THE DXR AREA; THE TURB SEEMED MORE SEVERE THAN MODERATE. WHILE TIGHTENING MY SEAT BELT AND DEBATING WITH MYSELF (I WAS ALONE) WHETHER I SHOULD CUT THE FLT SHORT AND RETURN TO DXR; THE SOUND OF THE ENG SEEMED TO SUDDENLY DIMINISH ALONG WITH THE SOUND OF THE RELATIVE WIND. I CHKED THE AIRSPD INDICATOR AND SAW THAT I HAD LOST 25 KNOTS. AFTER A FEW MOMENTS; THE AIR SPD RETURNED TO NORMAL. WINDSHEAR; I CONCLUDED; PROBABLY GUST INDUCED. END OF DEBATE -- RETURN TO DXR. RWY 35 WAS ACTIVE WHICH MEANT A FINAL BETWEEN HILLS ON EITHER SIDE OF THE APCH THAT ALWAYS LED TO UNPREDICTABLE WINDS AND A SWAMP AREA JUST BEFORE THE FENCE THAT GENERALLY SUCKS THE LIFT FROM WINGS. BECAUSE OF THE EARLIER ENCOUNTER WITH SHEAR; I ALTERED THE NORMAL FINAL APCH CONFIGURATION BY KEEPING AIRSPD 25 KNOTS OR SO ABOVE STALL; JUST A SINGLE NOTCH OF FLAPS INSTEAD OF FULL; AND MAINTAINED 100-200 FT ABOVE THE NORMAL GLIDE PATH. ABOUT HALFWAY THROUGH FINAL; I EXPERIENCED ANOTHER BOUT OF WINDSHEAR WITH THE AIRSPD DROPPING TO 60 KNOTS WITH A MINOR LOSS OF ALT. FORTUNATELY; THE PRECAUTIONS I TOOK KEPT ME OUT OF TROUBLE AND THE LNDG WAS UNEVENTFUL; ALTHOUGH 'HOT.' HOWEVER; IF I HADN'T HAD THAT FIRST ENCOUNTER AT 2800 FT; I WOULD NOT HAVE BEEN PREPARED AND PROBABLY WOULD HAVE ENDED UP IN THE SWAMP. DID I HAVE A COPLT THAT DAY?