YEAR MONTH MEAN STDEV COUNT 2002 1 nan nan 0 2002 2 nan nan 0 2002 3 nan nan 0 2002 4 nan nan 0 2002 5 nan nan 0 2002 6 nan nan 0 2002 7 1.19459e+01 1.83548e+00 27 2002 8 2.71454e+01 9.35607e+00 48 2002 9 1.42567e+01 8.37460e+00 126 2002 10 1.06406e+01 7.17327e+00 160 2002 11 4.13171e+00 4.38605e+00 219 2002 12 3.09556e+00 3.86507e+00 128 2003 1 4.35814e+00 1.05267e+01 205 2003 2 6.41302e+00 5.56516e+00 155 2003 3 nan nan 0 2003 4 1.54827e+01 2.02029e+01 96 2003 5 2.06239e+01 1.46055e+01 48 2003 6 3.09773e+01 2.24027e+01 64 2003 7 1.63422e+01 1.61656e+01 32 2003 8 2.24283e-01 6.40036e-01 20 2003 9 8.28440e+00 1.47840e+01 83 2003 10 1.47965e+01 1.47865e+01 229 2003 11 7.82365e+00 9.43508e+00 296 2003 12 6.89120e+00 7.65980e+00 177 2004 1 9.94367e+00 5.36813e+00 112 2004 2 3.88885e+00 7.68095e+00 50 2004 3 1.16122e+01 1.80990e+01 108 2004 4 6.47748e+00 7.04649e+00 96 2004 5 1.02836e+01 9.02856e+00 113 2004 6 2.69615e+01 3.64238e+00 64 2004 7 1.99069e+01 1.52915e+01 48 2004 8 1.39109e+01 1.31283e+01 69 2004 9 8.69488e+00 9.54985e+00 78 2004 10 2.82573e-02 5.75468e-02 56 2004 11 2.28678e+00 5.59880e+00 117 2004 12 3.92158e-01 5.86352e-01 106 2005 1 8.59966e+00 1.58201e+01 191 2005 2 2.82909e+00 4.06490e+00 96 2005 3 1.75853e+00 1.96668e+00 136 2005 4 1.30310e+00 1.84365e+00 48 2005 5 2.47538e+01 2.21516e+01 54 2005 6 2.18352e+01 1.43479e+01 48 2005 7 8.09334e+00 7.01653e+00 68 2005 8 8.15747e+00 1.20303e+01 74 2005 9 9.46659e+00 1.18935e+01 80 2005 10 8.27173e+00 7.11058e+00 268 2005 11 1.17821e+01 6.99883e+00 240 2005 12 7.46622e+00 3.63725e+00 224 2006 1 4.91175e+00 4.67562e+00 144 2006 2 3.43606e+00 3.39847e+00 160 2006 3 2.95049e+00 3.30773e+00 194 2006 4 8.62155e+00 8.83868e+00 122 2006 5 2.50464e+01 8.33118e+00 205 2006 6 2.77144e+01 6.81590e+00 84 2006 7 1.42848e+01 1.16410e+01 106 2006 8 2.53396e+01 8.46278e+00 104 2006 9 1.28685e+01 5.75129e+00 134 2006 10 1.25264e+01 9.74518e+00 251 2006 11 1.41606e+01 5.81670e+00 272 2006 12 2.16948e+01 9.02843e+00 132 2007 1 1.16493e+01 1.09122e+01 91 2007 2 4.93610e+00 7.06838e+00 160 2007 3 1.24661e+01 1.26639e+01 238 2007 4 1.21598e+01 7.74875e+00 176 2007 5 1.73131e+01 4.81640e+00 62 2007 6 1.50689e+01 1.01935e+01 55 2007 7 2.11069e+01 1.40498e+01 96 2007 8 1.86853e+01 4.62646e+00 96 2007 9 1.38074e+01 5.14513e+00 151 2007 10 2.37410e+01 7.15889e+00 112 2007 11 1.55141e+01 7.54185e+00 243 2007 12 2.22319e+01 8.50695e+00 153 2008 1 1.99984e+01 6.46872e+00 180 2008 2 2.10333e+01 1.14374e+01 263 2008 3 1.38933e+00 1.92767e+00 161 2008 4 1.58787e+01 1.35903e+01 114 2008 5 1.32201e+01 7.88893e+00 174 2008 6 2.00811e+01 1.60316e+01 112 2008 7 2.67488e+01 8.73845e+00 64 2008 8 1.10490e+01 5.42968e-01 32 2008 9 3.78448e+00 5.91063e+00 76 2008 10 4.21159e+00 4.13192e+00 243 2008 11 5.51494e+00 4.76844e+00 230 2008 12 7.38567e+00 8.77904e+00 176 2009 1 4.09892e+00 8.89778e+00 128 2009 2 4.77181e+00 4.33562e+00 181 2009 3 9.84062e+00 5.23967e+00 140 2009 4 3.65275e-01 4.19013e-01 48 2009 5 1.04972e+01 1.03652e+01 48 2009 6 2.27277e+01 1.32498e+01 72 2009 7 2.55726e+01 1.14805e+01 79 2009 8 2.27048e+01 8.95088e+00 96 2009 9 1.24876e+01 9.80827e+00 127 2009 10 8.11134e+00 9.18403e+00 188 2009 11 4.27703e+00 3.05777e+00 188 2009 12 7.15847e-01 1.06874e+00 35 2010 1 2.90208e-01 3.96995e-01 111 2010 2 2.05409e+00 4.29584e+00 86 2010 3 1.79548e+00 3.59960e+00 82 2010 4 7.43932e-01 1.15426e+00 111 2010 5 1.37768e+00 1.66453e+00 60 2010 6 1.69860e+01 9.19401e+00 157 2010 7 1.20573e+01 8.34377e+00 80 2010 8 1.07552e+00 6.13274e-01 31 2010 9 1.35109e+01 8.80849e+00 206 2010 10 1.17762e+01 7.79371e+00 345 2010 11 1.57008e+01 5.27391e+00 224 2010 12 1.24176e+01 5.17106e+00 269 2011 1 1.84691e+01 2.73290e+00 160 2011 2 1.90040e+01 7.30121e+00 142 2011 3 1.15831e+01 6.47833e+00 144 2011 4 9.86246e+00 4.41798e+00 160 2011 5 2.01390e+01 1.12537e+01 163 2011 6 1.64991e+01 7.63690e+00 95 2011 7 1.78249e+01 7.85959e+00 112 2011 8 2.09426e+01 1.01134e+01 128 2011 9 1.93290e+01 9.13460e+00 164 2011 10 1.77885e+01 9.45069e+00 336 2011 11 1.69633e+01 6.65587e+00 224 2011 12 2.34046e+01 1.06883e+01 239 2012 1 1.74593e+01 5.85737e+00 252 2012 2 1.62874e+01 4.41029e+00 64 2012 3 1.56904e+01 8.66248e+00 240 2012 4 1.83683e+01 8.34091e+00 246 2012 5 2.17086e+01 9.27617e+00 132 2012 6 1.57799e+01 9.76737e-01 16 2012 7 2.34746e+01 2.70439e+01 82 2012 8 2.25484e+00 1.57469e+00 16 2012 9 1.25162e+01 1.43518e+01 68 2012 10 8.54224e+00 1.48354e+01 214 2012 11 6.85051e+00 6.53923e+00 238 2012 12 1.05904e+01 1.04693e+01 150 2013 1 1.76759e+01 1.04415e+01 128 2013 2 1.07358e+01 5.94985e+00 112 2013 3 7.98684e-01 1.36259e+00 146 2013 4 7.91647e-01 1.32391e+00 64 2013 5 1.14427e+01 8.39324e+00 65 2013 6 1.91730e+01 1.14927e+01 98 2013 7 nan nan 0 2013 8 8.04054e-02 6.88015e-02 16 2013 9 2.63526e+00 4.04609e+00 147 2013 10 8.86094e+00 1.17413e+01 152 2013 11 8.33471e+00 1.24253e+01 96 2013 12 1.33578e+01 1.44320e+01 118 2014 1 4.33525e+00 8.36435e+00 78 2014 2 1.08699e+01 2.16818e+01 112 2014 3 8.53119e+00 1.49489e+01 85 2014 4 nan nan 0 2014 5 3.92620e+00 9.06972e-01 16 2014 6 2.42637e+01 2.07442e+01 18 2014 7 1.39334e+01 1.12981e+01 100 2014 8 2.17968e+01 1.08334e+01 144 2014 9 2.96900e+01 7.28329e+00 128 2014 10 1.46297e+01 1.21075e+01 330 2014 11 1.02803e+01 7.82475e+00 240 2014 12 1.08291e+01 9.59703e+00 190 2015 1 4.46060e+00 9.03064e+00 144 2015 2 7.99343e+00 1.24698e+01 129 2015 3 8.41174e+00 9.56741e+00 64 2015 4 1.06236e+01 1.01224e+01 32 2015 5 1.55046e+01 1.53960e+01 172 2015 6 2.68536e+01 1.71452e+01 81 2015 7 2.49531e+01 1.42710e+01 41 2015 8 2.61704e+01 1.04356e+01 79 2015 9 1.81822e+01 1.01813e+01 106 2015 10 1.13614e+01 4.73591e+00 224 2015 11 1.09119e+01 1.01867e+01 151 2015 12 4.04298e+00 3.90762e+00 96 2016 1 2.19958e+00 1.74874e+00 176 2016 2 2.83150e-01 3.80367e-01 272 2016 3 5.47500e+00 8.90290e+00 233 2016 4 1.03265e-02 5.19319e-03 16 2016 5 7.50703e+00 6.44571e+00 53 2016 6 1.76766e+01 1.53663e+01 127 2016 7 1.59550e+01 1.14611e+01 176 2016 8 1.23016e+01 1.00084e+01 155 2016 9 1.60671e+01 1.63772e+01 228 2016 10 8.50982e+00 8.56981e+00 251 2016 11 1.14929e+01 8.50662e+00 200 2016 12 1.20208e+01 7.09082e+00 160 2017 1 1.05690e+01 9.11466e+00 153 2017 2 6.95476e+00 1.39477e+01 222 2017 3 8.52786e+00 5.73629e+00 176 2017 4 1.19276e+01 1.07548e+01 144 2017 5 7.56160e+00 5.54121e+00 101 2017 6 3.03947e-13 0.00000e+00 7 2017 7 1.03796e+01 1.02900e+01 60 2017 8 2.61841e+01 2.25927e+01 80 2017 9 9.85675e+00 8.84256e+00 193 2017 10 4.69730e+00 4.15813e+00 274 2017 11 1.29734e+01 6.54863e+00 279 2017 12 1.78884e+01 1.01195e+01 178 2018 1 1.41644e+01 4.89965e+00 231 2018 2 2.03485e+01 1.18510e+01 126 2018 3 5.84914e+00 2.44294e+00 112 2018 4 5.94011e+00 4.80566e+00 123 2018 5 3.85768e+00 3.14940e+00 73 2018 6 1.64204e+01 1.73743e+01 80 2018 7 3.50214e+01 1.44428e+01 67 2018 8 1.91561e+00 1.42728e+00 48 2018 9 1.44182e+01 1.93112e+01 164 2018 10 3.33491e+00 9.39091e+00 352 2018 11 3.03821e+00 3.65323e+00 94 2018 12 7.20639e-01 9.09803e-01 80 2019 1 2.98447e-02 3.11197e-02 39 2019 2 4.04734e+01 1.79672e+00 16 2019 3 3.59090e+00 5.20976e+00 127 2019 4 9.05429e-01 9.34901e-01 80 2019 5 1.34263e+01 1.39958e+01 192 2019 6 1.02173e+01 9.47209e+00 32 2019 7 2.43051e+01 1.20276e+01 96 2019 8 2.39598e+01 2.34478e+01 141 2019 9 1.21677e+01 9.44229e+00 217 2019 10 9.23732e+00 7.23443e+00 166 2019 11 9.38752e+00 1.00854e+01 116 2019 12 1.09192e+01 6.59077e+00 93 2020 1 8.02005e+00 4.68118e+00 117 2020 2 9.43777e+00 4.18764e+00 160 2020 3 1.11114e+01 1.29465e+01 80 2020 4 7.79026e+00 1.04340e+01 68 2020 5 1.04809e+01 7.03819e+00 112 2020 6 1.62587e+00 4.08670e-01 16 2020 7 2.01858e+01 1.05392e+01 54 2020 8 3.67909e+00 3.51988e+00 80 2020 9 5.29124e+00 7.23544e+00 53 2020 10 7.01836e+00 1.50371e+01 144 2020 11 6.66839e+00 1.08842e+01 92 2020 12 4.74294e+00 1.12795e+01 128 2021 1 8.96706e-02 1.26934e-01 63 2021 2 6.08412e-01 1.30629e+00 96 2021 3 6.12873e-01 2.48327e+00 78 2021 4 1.58963e+00 2.24466e+00 70 2021 5 1.21901e+01 1.44944e+01 76 2021 6 3.27051e+01 1.38642e+01 45 2021 7 9.82179e+00 7.76434e+00 28 2021 8 3.09080e-01 2.31585e-01 64 2021 9 1.26892e+01 1.79278e+01 127 2021 10 2.55918e+00 3.02020e+00 49 2021 11 4.55806e+00 9.72215e+00 97 2021 12 2.51838e+01 2.19039e+01 63 2022 1 4.71322e+00 8.61412e+00 173 2022 2 1.37515e+01 9.40062e+00 128 2022 3 6.03221e+00 6.71978e+00 180 2022 4 9.01035e-02 4.17702e-02 16 2022 5 5.32661e+00 7.01978e+00 48 2022 6 1.87012e+01 1.47324e+01 114 2022 7 3.28453e+01 9.77590e+00 92 2022 8 2.33190e+01 2.00495e+01 96 2022 9 1.39165e+01 1.62573e+01 78 2022 10 6.57061e+00 8.64590e+00 300 2022 11 1.30131e+01 6.01229e+00 132 2022 12 1.12854e+01 8.08067e+00 224 2023 1 1.57237e+01 6.44116e+00 224 2023 2 1.32581e+01 1.21732e+01 160 2023 3 5.26893e+00 4.77392e+00 144 2023 4 2.14549e+01 1.44936e+01 48 2023 5 1.70486e+01 8.68265e+00 101 2023 6 2.52336e+01 1.45143e+01 63 2023 7 3.85679e+01 9.69384e+00 48 2023 8 2.05804e+01 1.93083e+01 128 2023 9 3.16593e+00 3.20359e+00 92 2023 10 9.37175e+00 8.75754e+00 218 2023 11 1.18693e+01 1.36418e+01 177 2023 12 0.00000e+00 0.00000e+00 2 2024 1 4.32186e-27 0.00000e+00 7 2024 2 7.43091e+00 1.10631e+01 84 2024 3 5.89285e-01 7.34977e-01 95 2024 4 nan nan 0