Least "seasonal" variation in rainfall averages?

[Mhc1985]

Originally Posted by RWood

The most even distribution of monthly averages that I can find for my country for a station with a long record gives a ratio of over 91% - the monthly means (shown rounded) in mm are:

62 59 61 61 65 59 64 60 54 60 62 67 (734 annual).

What place is that? And what's the period of records?

At a glance I found Montevideo (1961-1990), whose ratio is barely lesser: 87%

Jan: 87 mm
Feb: 102 mm
Mar: 105 mm
Apr: 86 mm
May: 89 mm
Jun: 83 mm
Jul: 86 mm
Aug: 88 mm
Sep: 94 mm
Oct: 109 mm
Nov: 89 mm
Dec: 84 mm

JFM -> 294 mm
JJA -> 257 mm

[Mhc1985]

A new leader here?

Santa Maria, Rio Grande do Sul (1961-1990)
Jan: 145 mm
Feb: 130 mm
Mar: 152 mm
Apr: 135 mm
May: 129 mm
Jun: 144 mm
Jul: 149 mm
Aug: 137 mm
Sep: 154 mm
Oct: 146 mm
Nov: 132 mm
Dec: 134 mm

AMJ: 408 mm
JAS: 440 mm
Ratio: 92.7%

[RWood]

Originally Posted by Mhc1985

What place is that? And what's the period of records?

At a glance I found Montevideo (1961-1990), whose ratio is barely lesser: 87%

Jan: 87 mm
Feb: 102 mm
Mar: 105 mm
Apr: 86 mm
May: 89 mm
Jun: 83 mm
Jul: 86 mm
Aug: 88 mm
Sep: 94 mm
Oct: 109 mm
Nov: 89 mm
Dec: 84 mm

JFM -> 294 mm
JJA -> 257 mm

It's Ashburton, in central Canterbury, about 100 years of records.