SASSCAL WeatherNet
 
 You are here: HomeWeather data - Hourly values
Your selection: All Stations in North-South direction
Flagge of Angola Damba
Data availability:
28 Apr 2014 - 16 Apr 2015
Flagge of Angola Quibaxi
Data availability:
11 May 2012 - 19 Mar 2018
Flagge of Angola Açucareira
Data availability:
1 Nov 2017 - 7 Apr 2019
Flagge of Angola Caope
Data availability:
1 Jan 2016 - 16 Apr 2018
Flagge of Zambia Mpulungu
Data availability:
20 May 2015 - 4 Dec 2024
Flagge of Angola Benfica
Data availability:
10 Oct 2009 - 12 Jan 2018
Flagge of Angola Cacuso
Data availability:
15 Apr 2014 - 9 Mar 2016
Flagge of Angola Kessua
Data availability:
24 Nov 2011 - 22 Oct 2018
Flagge of Angola Fazenda Pongo-Andongo 2
Data availability:
20 Jun 2011 - 10 Apr 2016
Flagge of Angola Alto Dondo
Data availability:
14 Apr 2014 - 9 Mar 2016
Flagge of Angola Projecto Terra do Futuro (PTF)
Data availability:
3 Apr 2015 - 22 Sep 2017
Flagge of Angola Muconda
Data availability:
5 Jul 2014 - 15 Aug 2015
Flagge of Angola Kibala (Catofe)
Data availability:
14 Apr 2014 - 9 Mar 2016
Flagge of Angola Porto Amboim
Data availability:
1 Aug 2018 - 7 Nov 2018
Flagge of Angola ISPKS - Sumbe
Data availability:
2 Feb 2016 - 6 May 2019
Flagge of Zambia Samfya
Data availability:
6 Oct 2013 - 14 Sep 2022
Flagge of Angola Wako-Kungo
Data availability:
2 Jun 2012 - 2 Jan 2019
Flagge of Zambia Mwinilunga
Data availability:
4 Dec 2013 - 14 Aug 2024
Flagge of Angola Chianga (Huambo)
Data availability:
13 Apr 2014 - 10 Jul 2017
Flagge of Zambia Copperbelt University
Data availability:
10 Apr 2015 - 4 Dec 2024
Flagge of Angola IMA - Huambo
Data availability:
1 Jan 2014 - 28 Aug 2016
Flagge of Angola UJES-Huambo
Data availability:
2 Oct 2013 - 30 Jan 2021
Flagge of Angola Ganda
Data availability:
8 Apr 2014 - 9 Nov 2014
Flagge of Zambia Serenje
Data availability:
7 Oct 2013 - 13 Feb 2018
Flagge of Angola Gove
Data availability:
18 Jun 2012 - 10 Mar 2020
Flagge of Zambia Zambezi
Data availability:
27 Nov 2013 - 22 Aug 2020
Flagge of Angola Cusseque
Data availability:
27 Mar 2015 - 13 Jun 2017
Flagge of Zambia Dongwe
Data availability:
14 May 2015 - 28 Jan 2017
Flagge of Zambia Chadiza
Data availability:
29 Jun 2015 - 4 Dec 2024
Flagge of Angola Bentiaba
Data availability:
27 Oct 2014 - 22 Dec 2020
Flagge of Zambia Kabwe Mulungushi
Data availability:
8 Oct 2013 - 30 Jul 2024
Flagge of Angola Mukongo
Data availability:
26 Oct 2014 - 21 Jul 2024
Flagge of Angola Tundavala Observatory
Data availability:
19 Mar 2015 - 18 Sep 2020
Flagge of Angola Bibala
Data availability:
21 Oct 2014 - 21 Jul 2024
Flagge of Angola Tundavala
Data availability:
18 Oct 2014 - 17 Apr 2016
Flagge of Angola Matala
Data availability:
8 Oct 2013 - 23 Mar 2018
Flagge of Zambia Kafue National Park-Tatayoyo
Data availability:
6 Apr 2015 - 4 Jan 2017
Flagge of Zambia GART
Data availability:
14 Oct 2019 - 4 Dec 2024
 New station online
Flagge of Angola Barragem das Neves
Data availability:
19 Oct 2014 - 31 Jan 2023
Flagge of Angola Munhino
Data availability:
23 Apr 2016 - 9 Jun 2018
Flagge of Angola Campus ISPT
Data availability:
17 Oct 2014 - 21 Jul 2024
Flagge of Zambia Kalabo
Data availability:
2 Dec 2013 - 4 Dec 2024
Flagge of Angola Humpata
Data availability:
17 Oct 2014 - 10 Dec 2019
Flagge of Angola Capangombe
Data availability:
22 Oct 2014 - 21 Jun 2019
Flagge of Angola PN Bicuar
Data availability:
21 Mar 2015 - 21 Jan 2021
Flagge of Zambia Luampa
Data availability:
5 Apr 2015 - 21 May 2016
Flagge of Angola Namibe
Data availability:
30 Oct 2014 - 13 Jul 2023
Flagge of Angola Tchivinguiro
Data availability:
2 Apr 2015 - 15 Mar 2018
Flagge of Angola Cuito Cuanavale
Data availability:
15 Aug 2014 - 12 Feb 2015
Flagge of Zambia Lusaka Int. Airport
Data availability:
8 Oct 2013 - 4 Dec 2024
Flagge of Zambia Lusaka University of Zambia
Data availability:
10 Oct 2013 - 27 Oct 2024
Flagge of Angola Flamingos Bay
Data availability:
13 Oct 2017 - 7 Oct 2018
Flagge of Angola Great Welwitschia
Data availability:
26 Oct 2015 - 5 May 2018
Flagge of Angola Gambos
Data availability:
11 Apr 2014 - 23 Nov 2015
Flagge of Zambia Namwala
Data availability:
22 Feb 2015 - 10 Feb 2019
Flagge of Zambia Nangweshi
Data availability:
23 Feb 2015 - 25 Nov 2017
Flagge of Angola Espinheira
Data availability:
20 Oct 2015 - 5 Apr 2019
Flagge of Angola Iona Coastal
Data availability:
15 Jan 2017 - 4 Feb 2017
Flagge of Zambia Kalomo
Data availability:
24 Feb 2015 - 21 Dec 2019
Flagge of Angola Onjiva
Data availability:
1 Apr 2015 - 20 Jul 2024
Flagge of Angola Namacunde
Data availability:
1 Apr 2015 - 10 Apr 2019
Flagge of Namibia Okangwati
Data availability:
15 Apr 2016 - 4 Dec 2024
Flagge of Namibia Okalongo
Data availability:
2 Oct 2019 - today
Flagge of Namibia Mahenene
Data availability:
24 Feb 2012 - 4 Nov 2019
Flagge of Namibia Omafo
Data availability:
3 Oct 2019 - 2 Dec 2024
Flagge of Zambia Sesheke
Data availability:
22 Nov 2013 - 3 Dec 2024
Flagge of Namibia Kalimbeza
Data availability:
17 Jul 2013 - today
Flagge of Namibia Marienflusstal
Data availability:
30 Jun 2015 - 7 May 2017
Flagge of Namibia Sachinga
Data availability:
17 Jul 2013 - today
Flagge of Namibia Ogongo
Data availability:
25 Feb 2012 - today
Flagge of Namibia Oshaambelo
Data availability:
24 Feb 2012 - 16 Jan 2020
Flagge of Namibia Mashare
Data availability:
17 Feb 2012 - today
Flagge of Namibia Ngoma
Data availability:
17 Jul 2013 - 19 Oct 2020
Flagge of Namibia Dudukabbe
Data availability:
5 Oct 2019 - 28 Oct 2024
Flagge of Namibia Bagani
Data availability:
19 Feb 2013 - today
Flagge of Namibia Hamoye
Data availability:
18 Feb 2013 - 6 Nov 2021
Flagge of Namibia Kaoko Otavi
Data availability:
17 Apr 2016 - 4 Dec 2024
Flagge of Namibia Alex Muranda Livestock Development Centre
Data availability:
7 Oct 2010 - today
Flagge of Botswana Shakawe
Data availability:
12 Feb 2014 - today
Flagge of Namibia Okashana
Data availability:
25 Feb 2012 - 27 Aug 2023
Flagge of Namibia Okapya
Data availability:
25 Feb 2012 - today
Flagge of Botswana Pandamatenga
Data availability:
21 Feb 2014 - today
Flagge of Botswana Mababe
Data availability:
30 Mar 2015 - 4 Dec 2024
Flagge of Namibia Sonop Research Station
Data availability:
9 Oct 2010 - today
Flagge of Namibia Giribesvlakte
Data availability:
27 Jun 2015 - 4 Dec 2024
Flagge of Namibia Mannheim
Data availability:
6 Dec 2012 - 27 Aug 2023
Flagge of Namibia Kanovlei
Data availability:
12 Feb 2016 - 4 Dec 2024
Flagge of Botswana Tubu (Okavango Delta)
Data availability:
26 Mar 2015 - 4 Dec 2024
Flagge of Namibia Tsumkwe Breeding Station
Data availability:
5 Aug 2011 - 1 Jun 2022
Flagge of Namibia John Pandeni
Data availability:
24 Nov 2012 - 27 Aug 2023
Flagge of Namibia Konop Pos
Data availability:
29 Nov 2016 - 4 Dec 2024
Flagge of Namibia Mopanie Pos 6
Data availability:
26 Nov 2016 - 4 Dec 2024
Flagge of Namibia Khorixas
Data availability:
27 Feb 2016 - 4 Dec 2024
Flagge of Namibia Waterberg
Data availability:
9 Sep 2011 - today
Flagge of Namibia Omatjenne
Data availability:
3 Feb 2012 - 27 Aug 2023
Flagge of Namibia Okomumbonde
Data availability:
21 Nov 2012 - 12 Feb 2022
Flagge of Botswana Sowa
Data availability:
22 Feb 2014 - 4 Dec 2024
Flagge of Namibia Omatako Ranch
Data availability:
8 Dec 2010 - 20 Sep 2024
Flagge of Namibia Erichsfelde
Data availability:
26 Nov 2010 - today
Flagge of Botswana Ghanzi
Data availability:
13 Feb 2014 - today
Flagge of Namibia Okahandja (NRFC)
Data availability:
23 Aug 2012 - 8 Apr 2022
Flagge of Namibia Okamboro
Data availability:
24 Mar 2011 - 27 Aug 2023
Flagge of Namibia Sandveld
Data availability:
11 Jan 2011 - 14 Oct 2024
Flagge of Namibia Wlotzkasbaken
Data availability:
10 Jun 2011 - today
Flagge of Botswana Xade
Data availability:
22 Aug 2015 - 5 Nov 2018
Flagge of Botswana Baines Drift
Data availability:
17 Mar 2015 - 4 Dec 2024
Flagge of Namibia Windhoek (NBRI)
Data availability:
1 Oct 2010 - today
Flagge of Namibia Windhoek (Satellite)
Data availability:
9 Jul 2014 - 11 Mar 2024
Flagge of Namibia Claratal
Data availability:
24 Nov 2010 - today
Flagge of Namibia Marble Koppie
Data availability:
7 Aug 2014 - 13 Nov 2024
Flagge of Namibia Kleinberg-FN
Data availability:
7 Aug 2014 - 11 Nov 2024
Flagge of Namibia Kleinberg
Data availability:
24 Mar 2011 - 27 Aug 2023
Flagge of Namibia Sophies Hoogte
Data availability:
7 Aug 2014 - 13 Nov 2024
Flagge of Namibia Salt Works
Data availability:
20 Nov 2017 - 9 Jan 2023
Flagge of Namibia Coastal Met
Data availability:
7 Sep 2014 - 11 Nov 2024
Flagge of Namibia Vogelfederberg
Data availability:
11 Aug 2014 - 13 Nov 2024
Flagge of Botswana Mahalapye
Data availability:
7 Feb 2014 - 31 May 2024
Flagge of Namibia Garnet Koppie
Data availability:
14 Aug 2014 - 11 Nov 2024
Flagge of Namibia Narais - Duruchaus
Data availability:
25 Nov 2010 - today
Flagge of Namibia Station 8
Data availability:
7 Aug 2014 - 13 Nov 2024
Flagge of Namibia Rooisand
Data availability:
24 Mar 2011 - 27 Aug 2023
Flagge of Botswana Lephepe
Data availability:
6 Feb 2014 - today
Flagge of Namibia Aussinanis
Data availability:
7 Aug 2014 - 13 Nov 2024
Flagge of Namibia Gobabeb Met
Data availability:
4 Oct 2014 - 4 Jan 2023
Flagge of Botswana Ngwatle
Data availability:
25 Aug 2015 - 25 Dec 2021
Flagge of Namibia Tsumis
Data availability:
25 May 2012 - 27 Aug 2023
Flagge of Namibia Conception Water
Data availability:
1 Jan 2017 - 30 Sep 2019
Flagge of Botswana Tshane
Data availability:
14 Feb 2014 - today
Flagge of Namibia Dieprivier (Namib Desert Lodge)
Data availability:
7 Jun 2011 - today
Flagge of Namibia Kalahari
Data availability:
12 Oct 2012 - 27 Aug 2023
Flagge of Botswana Ramotswa
Data availability:
25 Aug 2015 - 5 Jan 2019
Flagge of Botswana Ranaka
Data availability:
25 Aug 2015 - 17 Sep 2019
Flagge of Botswana Mogobane
Data availability:
25 Aug 2015 - 5 Apr 2019
Flagge of Botswana Lotlhakane East
Data availability:
25 Aug 2015 - 15 Sep 2019
Flagge of Botswana Werda
Data availability:
7 Feb 2014 - today
Flagge of Namibia Nico
Data availability:
2 Apr 2010 - 8 May 2019
Flagge of Botswana Goodhope
Data availability:
1 Feb 2014 - today
Flagge of Botswana Tsabong
Data availability:
14 Feb 2014 - 3 Jun 2023
Flagge of Namibia Koichab Pan
Data availability:
19 Oct 2016 - 4 Dec 2024
Flagge of Namibia Gellap Ost
Data availability:
24 Feb 2011 - today
Flagge of South Africa Alpha
Data availability:
3 Oct 2015 - 4 Dec 2024
Flagge of Namibia Aurus Mountain
Data availability:
11 Dec 2020 - 22 Apr 2021
Flagge of Namibia Karios (Gondwana Canyon Lodge)
Data availability:
23 Feb 2011 - today
Flagge of South Africa Koeroegabvlakte
Data availability:
8 Mar 2015 - 30 Nov 2021
Flagge of South Africa Numees
Data availability:
6 Mar 2015 - 30 Jun 2024
Flagge of South Africa Vandersterrberg
Data availability:
7 Mar 2015 - 4 Dec 2024
Flagge of South Africa Yellow Dune - Grootderm
Data availability:
9 Mar 2015 - 4 Dec 2024
Flagge of South Africa Alexanderbay Lichen Field
Data availability:
1 Oct 2015 - 4 Dec 2024
Flagge of South Africa Eksteenfontein
Data availability:
5 Oct 2015 - 2 Jul 2023
Flagge of South Africa Soebatsfontein
Data availability:
11 Oct 2015 - 4 Dec 2024
Flagge of South Africa Paulshoek
Data availability:
11 Oct 2015 - 9 Jun 2022
Flagge of South Africa Ratelgat
Data availability:
10 Oct 2015 - 29 Nov 2024
Flagge of South Africa Moedverloor
Data availability:
6 Oct 2016 - 4 Dec 2024
Flagge of South Africa Verlorenvlei
Data availability:
24 Sep 2015 - 4 Dec 2024
Flagge of South Africa Eagles Pride
Data availability:
10 Aug 2019 - 8 Oct 2023
Flagge of South Africa Roelofsberg
Data availability:
14 Dec 2019 - 4 Dec 2024
 New station online
Flagge of South Africa De-Poort
Data availability:
1 Sep 2019 - 29 Nov 2024
Flagge of Kalomo (Station ID: 858594) - Hourly values
Day
Diagrams (Number of diagram types: 2)
 

Date Hour Air
Temp.
Soil
Temp.
Rain Wind
Speed
Wind
Direct.
Wind
Speed
(max)
Humidity Barom.
Press.
Solar radiation Solar
radiation
Energy
Battery
Voltage
    [°C] [°C] [mm] [m/s] [deg.] [m/s] [%] [hPa] [W/m2] [MJ/m2] [V]
Datum

06:14

18:08
0:15 8.8 25.7 0.0 0.2 334 0.1 59.8 881 0.0 0.00 5.88
0:30     -     -     -     -     -     -     -     -     -     -     -
0:45     -     -     -     -     -     -     -     -     -     -     -
1:00     -     -     -     -     -     -     -     -     -     -     -
1:15     -     -     -     -     -     -     -     -     -     -     -
1:30     -     -     -     -     -     -     -     -     -     -     -
1:45     -     -     -     -     -     -     -     -     -     -     -
2:00     -     -     -     -     -     -     -     -     -     -     -
2:15     -     -     -     -     -     -     -     -     -     -     -
2:30     -     -     -     -     -     -     -     -     -     -     -
2:45     -     -     -     -     -     -     -     -     -     -     -
3:00     -     -     -     -     -     -     -     -     -     -     -
3:15     -     -     -     -     -     -     -     -     -     -     -
3:30     -     -     -     -     -     -     -     -     -     -     -
3:45     -     -     -     -     -     -     -     -     -     -     -
4:00     -     -     -     -     -     -     -     -     -     -     -
4:15     -     -     -     -     -     -     -     -     -     -     -
4:30     -     -     -     -     -     -     -     -     -     -     -
4:45     -     -     -     -     -     -     -     -     -     -     -
5:00     -     -     -     -     -     -     -     -     -     -     -
5:15     -     -     -     -     -     -     -     -     -     -     -
5:30     -     -     -     -     -     -     -     -     -     -     -
5:45     -     -     -     -     -     -     -     -     -     -     -
6:00     -     -     -     -     -     -     -     -     -     -     -
6:15     -     -     -     -     -     -     -     -     -     -     -
6:30     -     -     -     -     -     -     -     -     -     -     -
6:45     -     -     -     -     -     -     -     -     -     -     -
7:00     -     -     -     -     -     -     -     -     -     -     -
7:15     -     -     -     -     -     -     -     -     -     -     -
7:30 11.9 23.9 0.0 2.2 68 2.8 56.1 881 220.3 0.20 6.67
7:45 13.3 23.9 0.0 2.8 73 3.5 59.0 882 287.6 0.26 6.82
8:00 14.6 23.8 0.0 3.2 54 4.4 57.8 882 355.8 0.32 6.75
8:15 15.8 23.8 0.0 5.6 51 6.2 54.6 882 424.3 0.38 6.75
8:30 17.1 23.7 0.0 5.4 62 6.1 49.2 882 494.3 0.44 6.75
8:45 17.6 23.7 0.0 4.5 59 5.8 47.3 882 557.7 0.50 6.75
9:00 17.7 23.6 0.0 5.0 70 5.8 46.1 882 618.0 0.56 6.75
9:15 18.4 23.6 0.0 3.9 71 5.0 43.7 882 672.8 0.61 6.75
9:30 19.0 23.5 0.0 3.5 56 5.5 42.0 882 725.0 0.65 6.75
9:45 19.2 23.5 0.0 3.6 76 4.7 40.6 882 771.4 0.69 6.75
10:00 19.8 23.4 0.0 3.2 66 4.6 38.5 882 812.5 0.73 6.82
10:15 20.0 23.4 0.0 3.1 85 5.6 37.6 882 847.4 0.76 6.82
10:30 20.4 23.3 0.0 3.3 90 4.2 36.3 882 877.1 0.79 6.82
10:45 21.0 23.3 0.0 3.2 68 4.5 35.3 881 901.0 0.81 6.82
11:00 21.2 23.3 0.0 2.9 73 4.7 34.9 881 924.1 0.83 6.82
11:15 22.3 23.3 0.0 3.2 70 4.9 32.0 881 950.5 0.86 6.82
11:30 22.5 23.3 0.0 2.1 68 4.2 31.4 881 966.0 0.87 6.82
11:45 22.8 23.3 0.0 2.9 114 5.4 30.5 881 975.4 0.88 6.82
12:00 22.8 23.3 0.0 2.7 117 3.8 29.1 880 980.4 0.88 6.82
12:15 23.3 23.3 0.0 2.0 208 3.8 27.6 880 977.8 0.88 6.82
12:30 23.6 23.3 0.0 2.1 68 3.4 27.5 880 973.5 0.88 6.82
12:45 23.6 23.4 0.0 2.2 148 3.7 26.6 880 961.6 0.87 6.82
13:00 24.0 23.4 0.0 2.6 162 4.3 25.7 879 956.6 0.86 6.82
13:15 24.4 23.5 0.0 2.3 235 3.9 24.9 879 932.3 0.84 6.82
13:30 24.2 23.5 0.0 2.9 171 4.4 24.8 879 902.3 0.81 6.82
13:45 24.5 23.6 0.0 3.3 118 5.1 24.7 878 869.7 0.78 6.82
14:00 24.9 23.7 0.0 2.2 73 3.7 23.3 878 868.1 0.78 6.82
14:15 25.0 23.8 0.0 2.2 88 3.6 22.9 878 828.3 0.75 6.82
14:30 25.4 23.9 0.0 3.3 41 5.3 21.6 877 795.6 0.72 6.82
14:45 24.9 24.0 0.0 2.3 126 4.9 21.7 877 754.8 0.68 6.82
15:00 25.0 24.1 0.0 2.6 89 3.9 20.7 877 707.7 0.64 6.90
15:15 25.2 24.2 0.0 2.3 92 3.9 20.3 877 660.3 0.59 6.82
15:30 25.1 24.3 0.0 2.9 140 4.1 19.8 877 609.1 0.55 6.82
15:45 25.3 24.4 0.0 3.3 48 4.3 19.9 877 556.8 0.50 6.82
16:00 25.0 24.5 0.0 3.2 98 4.3 19.5 877 495.9 0.45 6.82
16:15 25.0 24.7 0.0 2.8 28 4.2 19.2 877 436.5 0.39 6.82
16:30 24.9 24.8 0.0 3.5 66 4.7 19.7 877 373.7 0.34 6.82
16:45 24.8 24.9 0.0 2.4 74 4.7 19.9 877 309.7 0.28 6.82
17:00 24.5 25.0 0.0 2.8 80 4.3 20.0 877 247.3 0.22 6.82
17:15 24.1 25.1 0.0 2.4 108 4.8 19.1 877 183.4 0.17 6.75
17:30 23.6 25.2 0.0 2.3 91 3.5 19.8 877 125.1 0.11 6.75
17:45 23.0 25.3 0.0 2.4 89 3.7 19.7 877 27.8 0.03 6.67
18:00 22.2 25.4 0.0 2.1 86 2.7 21.2 877 11.1 0.01 6.67
18:15 21.5 25.5 0.0 1.9 74 2.9 22.7 877 0.0 0.00 6.59
18:30 20.8 25.6 0.0 1.7 62 3.2 23.6 877 0.0 0.00 6.51
18:45 19.6 25.6 0.0 2.4 79 2.5 25.3 877 0.0 0.00 6.35
19:00 19.4 25.7 0.0 2.3 93 3.3 26.0 878 0.0 0.00 6.35
19:15 19.0 25.8 0.0 2.2 79 3.8 27.2 878 0.0 0.00 6.27
19:30 18.8 25.8 0.0 3.7 54 4.6 28.2 878 0.0 0.00 6.20
19:45 18.2 25.9 0.0 3.6 70 4.1 29.7 878 0.0 0.00 6.04
20:00 17.6 25.9 0.0 2.6 78 3.7 31.2 878 0.0 0.00 5.88
20:15     -     -     -     -     -     -     -     -     -     -     -
20:30     -     -     -     -     -     -     -     -     -     -     -
20:45     -     -     -     -     -     -     -     -     -     -     -
21:00     -     -     -     -     -     -     -     -     -     -     -
21:15     -     -     -     -     -     -     -     -     -     -     -
21:30     -     -     -     -     -     -     -     -     -     -     -
21:45     -     -     -     -     -     -     -     -     -     -     -
22:00     -     -     -     -     -     -     -     -     -     -     -
22:15     -     -     -     -     -     -     -     -     -     -     -
22:30     -     -     -     -     -     -     -     -     -     -     -
22:45     -     -     -     -     -     -     -     -     -     -     -
23:00     -     -     -     -     -     -     -     -     -     -     -
23:15     -     -     -     -     -     -     -     -     -     -     -
23:30     -     -     -     -     -     -     -     -     -     -     -
23:45     -     -     -     -     -     -     -     -     -     -     -
24:00     -     -     -     -     -     -     -     -     -     -     -


Summary and additional information
Kalomo - 9 Sep 2019
Number of data records 96
Precipitation total 0.0 mm
Solar Irradiance total 25.13 MJ/m2
Missing hours none - all hourly values available
Sensor information no further information
Notes no further information

Download CSV file(Data export)