Periods	Córdoba Observatory			Pilar Observatory
Periods	r	n	α	r	n	α
All months	−0.3416	588	^**	−0.3579	585	^**
Warm semester months	−0.4411	294	^**	−0.5005	291	^**
Cold semester months	−0.3458	294	^**	−0.3264	294	^**
January	−0.5198	50	^**	−0.5103	48	^**
February	−0.2868	48	^*	−0.5273	48	^**
March	−0.5271	49	^**	−0.5264	49	^**
April	−0.5270	49	^**	−0.4818	49	^**
May	−0.3837	49	^**	−0.4189	49	^**
June	−0.2430	49	ns	−0.2085	49	ns
July	−0.3835	49	^**	−0.3596	49	^*
August	−0.4718	49	^**	−0.5695	49	^**
September	−0.4381	49	^**	−0.5214	49	^**
October	−0.2936	49	^*	−0.3858	49	^**
November	−0.4391	49	^**	−0.5561	49	^**
December	−0.6228	49	^**	−0.5465	48	^**