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Table 1 Annual total precipitation (p) and mean temperature (T) of three monitoring periods in comparison with the long-term average (Tholey weather station, German Weather Service)

From: Spring waters as an indicator of nitrate and pesticide pollution of rural watercourses from nonpoint sources: results of repeated monitoring campaigns since the early 2000s in the low mountain landscape of Saarland, Germany

  Long-term average Monitoring periods
1981–2010 2002 2011–12 2018
p total [mm] 1031 1281 958 966
T mean [°C] 9.0 9.8 9.4 11.0