Guinea-Bissau vs Sri Lanka: Precipitation anomalies

Guinea-Bissau
300.08 millimeters
in 2025
Sri Lanka
310.74 millimeters
in 2025
Guinea-Bissau rank
15th
Sri Lanka rank
13th

Precipitation anomalies over time

  • Guinea-Bissau
  • Sri Lanka
-1.0k-50005001.0k194019822025

How they compare

Sri Lanka currently reports 310.74 millimeters against 300.08 millimeters in Guinea-Bissau, a difference of 10.66 millimeters.

The two have swapped places 21 times across 86 shared years of data; in 1940 it was Guinea-Bissau ahead.

Guinea-Bissau ranks 15th and Sri Lanka ranks 13th of 192 countries.

Across the 9 decades both report, Guinea-Bissau averaged higher in 7 and Sri Lanka in 2.

Head to head by decade

Decade Guinea-Bissau Sri Lanka Difference Ahead
1940s 159.36 millimeters -106.15 millimeters 265.51 millimeters Guinea-Bissau
1950s 482.71 millimeters -287.3 millimeters 770.01 millimeters Guinea-Bissau
1960s 306.66 millimeters 69.19 millimeters 237.47 millimeters Guinea-Bissau
1970s 223.53 millimeters -171.73 millimeters 395.26 millimeters Guinea-Bissau
1980s 46.78 millimeters -213.81 millimeters 260.6 millimeters Guinea-Bissau
1990s 6.97 millimeters -131.52 millimeters 138.49 millimeters Guinea-Bissau
2000s -96.17 millimeters -18.59 millimeters 77.58 millimeters Sri Lanka
2010s 42.32 millimeters 152.69 millimeters 110.37 millimeters Sri Lanka
2020s 221.3 millimeters 205.16 millimeters 16.14 millimeters Guinea-Bissau

Averages of every year both report within each decade.

Frequently asked questions

Which has higher precipitation anomalies, Guinea-Bissau or Sri Lanka?
Sri Lanka, at 310.74 millimeters against 300.08 millimeters in Guinea-Bissau as of 2025.
What is the difference in precipitation anomalies between Guinea-Bissau and Sri Lanka?
10.66 millimeters, with Sri Lanka ahead.
How many years of comparable data are there for Guinea-Bissau and Sri Lanka?
86 years are reported by both, from 1940 to 2025.
How do Guinea-Bissau and Sri Lanka rank globally for precipitation anomalies?
Guinea-Bissau ranks 15th and Sri Lanka ranks 13th of 192 countries.
Where does this data come from?
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as Precipitation anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Precipitation anomalies
Unit
millimeters
Source
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
192 places, 16,512 data points, 1940–2025
Last refreshed

The difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.