Source: http://en.wikipedia.org/wiki/Viscosity

Temperature (°C)	Viscosity (mPa·s)
10	1.308
20	1.002
30	0.7978
40	0.6531
50	0.5471
60	0.4658
70	0.4044
80	0.3550
90	0.3150
100	0.2822