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Table 2 Mann Kendall and Sen’s Slope analysis of minimum temperature

From: Agricultural community-based impact assessment and farmers’ perception of climate change in selected Ecological Zones in Nigeria

Minimum temperature (℃)
Month Ondo Ogun Kwara
S Z Trend Slope S Z Trend Slope S Z Trend Slope
January 123 1.66   0.04 31 0.43   0.04* 25 0.43   0.01
February 93 1.26   0.03 183 2.49  +  0.02 53 0.98   0.04*
March 51 0.71   0.02* 102 1.43   0.20* 108 1.92   0.03
April 61 0.82   0.01 189 2.67  +  0.03* 71 1.26   0.01
May 117 1.65   0.03* 141 1.99  +  0.04* 110 2.05  +  0.03*
June 142 2.0  +  0.02* 166 2.34  +  0.03* 110 1.96   0.02
July 141 1.99  +  0.02* 207 2.93  +  0.03* 203 3.64  +  0.02
August 56 0.78   0.01* 157 2.13  +  0.01 129 2.30  +  0.02
September 160 2.18  +  0.03 158 2.23  +  0.03* 176 3.15  +  0.03
October 140 1.97  +  0.03 165 2.33  +  0.05* 36 0.63   0.00
November 80 1.08   0.01 173 2.44  +  0.04* −34 −0.59   −0.01
December 197 2.67  +  0.08 143 1.94   0.02 −16 −0.27   −0.01
Overall 134 1.89   0.03* 187 2.64  +  0.03* 163 2.91  +  0.03
  1. ( +), Positive Trend; (-), Negative Trend; (), Random; (*), Significant at 0.05