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 Climate Information of DAPOLI

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        The center receives an average annual rainfall of 2700 mm in 100 rainy days. The rainy season starts during 2nd week of June and ends in 3rd week of October with duration of 19 weeks. The average monsoon seasonal rainfall (June to September) is 2539 mm and can vary from 2266 mm to 2812 mm. Peak rainfall occurs during 3rd week of July. Daytime temperature varies from 27.4o C (2nd week of August) to 32.9o C (2nd week of April), while the nighttime temperature varies from 11.0o C (4th week of January) to 23.7o C (last week of May).

 

Average Weekly Weather Data

WEEK MAXT (°C)  MINT (°C)  RH-I   (%)  RH-II (%)  WS (kmph)  RF (mm/week)  SSH   (hrs)  EVP (mm/week)
1 30.3 12.4 95 46 2.7 0.0 8.1 22.6
2 30.3 12.8 93 46 2.8 0.0 7.9 24.7
3 29.5 11.8 94 50 2.9 0.3 8.2 26.5
4 30.5 11.0 95 50 2.8 0.0 8.5 27.5
5 31.0 11.9 92 50 3.0 0.0 8.3 29.0
6 30.8 11.9 93 52 3.4 0.0 8.7 30.7
7 31.0 12.4 92 52 3.4 0.0 8.7 31.7
8 30.9 12.2 92 53 3.6 0.0 8.9 33.2
9 32.6 13.0 91 50 3.7 1.8 8.9 34.3
10 32.4 13.4 90 54 3.8 0.0 8.6 37.0
11 31.5 15.3 89 59 4.1 0.5 7.9 35.5
12 32.8 16.1 90 60 4.4 0.0 8.5 39.8
13 32.6 16.3 89 59 4.7 0.0 8.7 39.2
14 32.3 18.4 92 65 4.5 0.0 8.4 39.0
15 32.9 18.8 88 65 5.2 0.0 8.7 43.8
16 32.3 20.0 88 68 5.7 0.0 8.9 44.1
17 32.4 20.7 88 70 5.9 0.0 9.0 45.1
18 32.4 21.7 86 64 5.5 0.3 9.0 43.2
19 32.5 22.4 86 63 5.8 1.0 8.6 43.1
20 32.4 23.0 86 66 6.7 29.7 8.2 42.1
21 32.5 23.2 87 65 6.5 11.0 8.2 38.9
22 32.2 23.7 89 70 6.5 28.4 7.5 37.0
23 31.8 23.5 88 70 6.3 124.9 6.9 35.0
24 29.5 22.9 95 84 6.5 209.8 3.4 24.6
25 28.4 23.2 94 86 7.9 289.3 2.0 18.1
26 28.6 23.2 95 87 8.6 226.5 2.4 19.4
27 28.4 22.7 94 87 7.6 273.9 2.5 18.4
28 27.9 22.7 94 90 9.9 301.8 1.9 15.9
29 27.9 22.7 94 89 10.1 252.2 2.6 17.4
30 27.6 22.5 94 88 8.3 233.9 2.8 15.7
31 27.5 22.7 94 89 8.2 218.2 2.4 17.5
32 27.4 22.5 94 90 7.7 241.4 2.1 17.7
33 27.9 22.8 94 87 6.5 85.5 3.4 18.2
34 27.9 22.2 96 86 5.6 167.6 2.9 16.5
35 27.5 21.9 96 88 6.3 281.3 3.6 12.5
36 27.9 22.0 96 86 4.2 95.7 3.1 16.7
37 28.6 21.7 94 83 3.1 77.2 4.6 23.4
38 28.7 21.1 96 82 3.1 71.3 5.6 25.7
39 29.7 22.0 96 80 3.0 66.3 5.4 27.3
40 30.0 21.2 95 78 3.4 59.5 5.3 22.4
41 30.9 21.1 95 74 2.6 43.7 6.0 24.5
42 31.2 20.1 93 67 3.4 21.6 6.8 27.2
43 31.9 18.6 93 61 2.8 8.0 7.4 27.4
44 32.3 17.1 93 55 2.5 0.8 7.9 28.9
45 32.5 17.4 90 57 2.5 3.1 8.0 33.7
46 32.0 16.9 91 53 2.5 1.0 7.7 33.5
47 32.2 15.0 89 50 2.4 0.1 7.8 31.3
48 32.0 14.9 90 50 2.6 4.9 7.9 30.4
49 31.8 13.4 92 47 2.5 7.6 8.0 27.0
50 31.5 12.2 91 45 2.6 0.0 8.0 26.6
51 31.4 12.1 92 45 2.3 0.4 7.8 25.6
52 31.1 12.1 93 43 2.8 0.0 8.0 24.8

     

    Rainfall Statistics (Database 1996-2001)

Monthly and Annual Rainfall Normals (mm)

Parameter

 Jan Feb Mar Apr May June Jul Aug Sep Oct Nov Dec

Annual

Average

                         2699.5

Lowest

                        2409

Highest

                         2990

SD

                         410.8

CV (%)

                         15.2

Seasonal Rainfall Normals (mm)

 Parameter  

SW MONSOON (Jun-Sep)

NE MONSOON (Oct-Dec)

WINTER (Jan-Feb)

HOT WEATHER (Mar-May)

Average

 2539.0 120.0

 

 40.5

Lowest

2266 62

 

 0

Highest

 2812 178

 

 81

SD

 386.1 82.0

 

 57.3

CV (%)

 15.2 68.4

 

 141.4

Normal Rainy Days

 Parameter  

SW MONSOON (Jun-Sep)

NE MONSOON (Oct-Dec)

WINTER (Jan-Feb)

HOT WEATHER (Mar-May)

ANNUAL (Jan-Dec)

Average

 89.0 6.0

 

 4.0 100.0

Lowest

89 4

 

 0 98

Highest

 89 9

 

 9 102

SD

 0.0 3.5

 

 6.7 2.8

CV

 0.0 58.9

 

 167.7 2.8

 

 Weekly Rainfall Probability (%) for different amounts

WEEK Upto 10mm 20mm 30mm 40mm 50mm 75mm 100mm >100mm
1 0 0 0 0 0 0 0 0
2 0 0 0 0 0 0 0 0
3 0 0 0 0 0 0 0 0
4 0 0 0 0 0 0 0 0
5 0 0 0 0 0 0 0 0
6 0 0 0 0 0 0 0 0
7 0 0 0 0 0 0 0 0
8 0 0 0 0 0 0 0 0
9 0 0 0 0 0 0 0 0
10 0 0 0 0 0 0 0 0
11 0 0 0 0 0 0 0 0
12 0 0 0 0 0 0 0 0
13 0 0 0 0 0 0 0 0
14 0 0 0 0 0 0 0 0
15 0 0 0 0 0 0 0 0
16 0 0 0 0 0 0 0 0
17 0 0 0 0 0 0 0 0
18 0 0 0 0 0 0 0 0
19 0 0 0 0 0 0 0 0
20 50 50 50 50 0 0 0 0
21 50 50 50 50 0 0 0 0
22 50 50 0 0 0 0 0 0
23 100 100 100 100 100 100 50 50
24 100 100 100 100 100 50 50 50
25 100 100 50 50 50 50 50 50
26 100 100 100 100 50 50 50 50
27 100 100 100 100 100 100 100 50
28 100 100 100 100 100 100 100 100
29 100 100 100 100 100 100 50 50
30 100 100 100 100 100 100 100 100
31 100 100 100 100 100 100 100 100
32 100 100 100 100 100 100 100 100
33 100 100 100 100 100 100 50 50
34 100 100 100 100 100 100 50 0
35 100 100 100 100 100 50 50 50
36 100 100 50 50 50 50 0 0
37 100 100 50 50 50 50 50 0
38 100 100 100 100 100 100 100 100
39 100 100 100 100 100 100 0 0
40 100 100 50 50 50 50 50 50
41 50 50 50 50 0 0 0 0
42 100 100 50 0 0 0 0 0
43 50 50 50 50 50 0 0 0
44 0 0 0 0 0 0 0 0
45 0 0 0 0 0 0 0 0
46 0 0 0 0 0 0 0 0
47 0 0 0 0 0 0 0 0
48 0 0 0 0 0 0 0 0
49 0 0 0 0 0 0 0 0
50 0 0 0 0 0 0 0 0
51 50 0 0 0 0 0 0 0
52 0 0 0 0 0 0 0 0

 

 Weekly Rainfall values at different Probability levels

 WEEK

PRECIPITATION (mm) FOR THE PROBABILITIES(%)
90 75 50 25 10
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  Crop Season Rainfall Characteristics

Mean start, end, duration and rainfall during the season

 MEAN START = 24*

As Early As = 23*

As Late As = 24*

 STD.DEV = 0.7

 MEAN END = 43*

As Early As = 42*

As Late As = 43*

STD.DEV = 0.7

 MEAN DUR = 19*

MIN DUR = 19*

MAX DUR = 19*

STD.DEV = 0.3

MEAN CSR** = 2627mm

MIN CSR** = 2327mm

MAX CSR** = 2927mm

STD.DEV = 424.3mm

                    * Standard Meteorological Week          

                    ** Crop Season Rainfall (CSR)

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