Publication Name
Ganges basin climate indicators – Rainfall
Temperature
Where is it hot and where is it cold? Average winter minimum temperature
How much does it rain? Rainfall intensity on a rainy day
Average summer maximum temperature
1981 – 2007
1981 – 2007
1951–1980
1981–2007
ºC
Millimetres per day
10 50 -5 -10 -15 -20 35 15 20 25 30
4 6 8 10 12 14 16 20
How hot and how cold? Lowest minimum temperature
For how long does it rain? Rainy days in a year
Highest maximum temperature
1981–2007
1981–2007
1951–1980
1981–2007
ºC
Number of rainy days
20 25 30 35 40 45 50
5 0 -5 -10 -15 -20 -25 -30 -35
40 60 80
120 100 140 160 180 200
Where does it rain? Spatial distribution of rainfall, 1981–2007
Temperature changes Changes in temperature between the past (1951–1980) and recent period (1981–2007)
Lower minimum
Highest maximum
Winter
Summer
Millimetres
ºC
25
75
500
1000
2000
10
50
100
250
750
1500
Max
-4 -3 -2 -1 0 1 2 3 4
When does it rain? Monthly averages for normal period, millimetres
When is it hot and when is it cold? Monthly average temperature, ºC
Min
40
300
Upper basin
Lower basin
250
1960s mean 1990s mean
30
200
20
150
10
100
0
50 0
-10
January
March
May
July
September
November
January
March
May
July
September
November
February
April
June
August
October
December
February
April
June
August
October
December
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