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 -3.32884e-01 1.42531e+00 16 2002 8 5.29244e-01 4.20333e-01 20 2002 9 3.18643e+00 1.09738e+00 21 2002 10 5.66053e-01 2.75976e+00 32 2002 11 9.03572e+00 3.09745e+00 20 2002 12 4.90580e+00 2.19169e+00 9 2003 1 5.09489e+00 1.14840e+00 99 2003 2 3.37685e+00 1.23617e+00 103 2003 3 9.57753e+00 1.19768e+00 18 2003 4 7.83124e+00 6.91229e-01 27 2003 5 nan nan 0 2003 6 3.25906e+00 2.94238e-02 2 2003 7 7.55439e+00 8.47990e-02 3 2003 8 5.23182e+00 2.90243e-02 4 2003 9 6.35185e+00 3.23579e-01 14 2003 10 2.68554e+00 7.00528e-01 44 2003 11 2.28639e+00 7.97200e-01 75 2003 12 3.18580e+00 2.98913e-01 72 2004 1 2.23714e+00 5.73413e-01 52 2004 2 5.21179e+00 1.56075e+00 41 2004 3 3.89135e+00 8.84250e-01 38 2004 4 3.83455e+00 9.37505e-01 12 2004 5 -6.04937e-01 7.29787e-01 20 2004 6 nan nan 0 2004 7 2.86134e+00 1.75611e+00 20 2004 8 1.01804e+00 1.49331e+00 25 2004 9 3.64213e+00 1.16564e-01 4 2004 10 3.24634e+00 1.44872e+00 15 2004 11 2.67170e+00 3.75412e-01 21 2004 12 4.83152e+00 5.61596e-01 84 2005 1 3.94569e+00 8.79497e-01 35 2005 2 3.31896e+00 5.27049e-01 23 2005 3 2.82126e+00 1.02467e+00 55 2005 4 1.06482e+01 8.64425e-01 48 2005 5 nan nan 0 2005 6 3.40543e+00 1.75462e+00 34 2005 7 3.79127e+00 1.23580e+00 36 2005 8 nan nan 0 2005 9 nan nan 0 2005 10 2.04098e+00 1.22293e+00 53 2005 11 1.20803e+00 1.82961e+00 74 2005 12 3.57483e+00 3.81672e-01 46 2006 1 3.32517e+00 5.67121e-01 55 2006 2 3.22239e+00 5.58841e-01 98 2006 3 2.79590e+00 8.29958e-01 108 2006 4 9.95791e-01 1.58733e+00 44 2006 5 6.07242e-01 9.00561e-01 25 2006 6 2.06098e+00 1.52666e+00 26 2006 7 nan nan 0 2006 8 3.76470e+00 2.38419e-07 3 2006 9 7.23655e-01 1.69915e+00 38 2006 10 1.05092e+00 6.93539e-01 80 2006 11 2.17662e+00 1.46514e+00 104 2006 12 1.15743e+00 1.38313e+00 76 2007 1 2.41936e+00 1.25920e+00 40 2007 2 3.24307e+00 1.00649e+00 52 2007 3 1.60053e+00 1.21594e+00 46 2007 4 -3.75203e-01 1.49912e+00 66 2007 5 -3.87825e-01 8.66354e-01 26 2007 6 nan nan 0 2007 7 1.74738e+00 9.67250e-01 30 2007 8 1.49956e+00 9.15739e-01 22 2007 9 -3.27403e-01 1.16674e+00 9 2007 10 1.24735e+00 2.01725e+00 60 2007 11 2.71512e+00 1.94790e+00 46 2007 12 4.06935e+00 1.06358e+00 69 2008 1 5.98605e+00 1.34760e+00 61 2008 2 6.16640e+00 9.90851e-01 55 2008 3 9.01513e+00 2.17460e+00 36 2008 4 4.47808e+00 1.15199e+00 22 2008 5 6.56758e+00 1.21374e+00 4 2008 6 1.47951e+00 1.95901e+00 30 2008 7 nan nan 0 2008 8 -1.92949e+00 1.44832e+00 24 2008 9 -1.99963e-01 1.05442e+00 16 2008 10 1.18931e+00 2.61854e+00 64 2008 11 9.22205e-01 1.02315e+00 94 2008 12 2.41472e+00 1.36736e+00 44 2009 1 3.86633e+00 1.69052e+00 55 2009 2 3.20434e+00 8.26294e-01 27 2009 3 2.40333e+00 7.31639e-01 22 2009 4 1.08699e+01 1.16492e+00 26 2009 5 5.05047e+00 1.03344e+00 18 2009 6 nan nan 0 2009 7 nan nan 0 2009 8 nan nan 0 2009 9 nan nan 0 2009 10 4.09717e+00 6.35827e-01 40 2009 11 2.44896e+00 6.61057e-01 8 2009 12 9.11015e+00 2.51483e-01 12 2010 1 7.63135e+00 9.81014e-01 42 2010 2 8.50584e+00 9.12296e-01 83 2010 3 6.77202e+00 6.34000e-01 38 2010 4 4.44014e+00 1.47272e+00 10 2010 5 nan nan 0 2010 6 3.03855e-01 1.70144e+00 35 2010 7 2.40388e-01 1.65462e+00 36 2010 8 nan nan 0 2010 9 9.58394e-01 1.18403e+00 54 2010 10 2.53055e-01 1.28145e+00 91 2010 11 3.02067e-01 1.29643e+00 75 2010 12 1.32755e+00 1.04569e+00 126 2011 1 2.00720e+00 8.94463e-01 83 2011 2 3.44031e+00 1.16057e+00 67 2011 3 2.32789e+00 1.03175e+00 85 2011 4 1.13437e+00 1.43524e+00 27 2011 5 -1.18767e-01 1.12648e+00 52 2011 6 -4.48900e-01 7.69794e-01 27 2011 7 1.40284e+00 1.49213e+00 41 2011 8 1.08963e+00 2.23842e+00 9 2011 9 6.52423e-01 1.21800e+00 57 2011 10 -5.34698e-01 1.82064e+00 129 2011 11 -5.05582e-01 2.74187e+00 67 2011 12 9.57552e-01 6.61528e-01 71 2012 1 1.43651e+00 1.97461e+00 105 2012 2 3.84609e+00 6.15334e-01 10 2012 3 3.66894e+00 0.00000e+00 1 2012 4 -3.60624e-01 1.60231e+00 7 2012 5 -1.72753e+00 1.23281e+00 19 2012 6 4.85898e-01 2.05886e+00 25 2012 7 7.76188e-01 1.08160e+00 17 2012 8 1.09970e+01 6.57528e-01 5 2012 9 nan nan 0 2012 10 4.03122e+00 1.32655e+00 61 2012 11 1.97433e+00 2.13820e+00 35 2012 12 2.14936e+00 9.02878e-01 131 2013 1 2.49817e+00 1.44006e+00 42 2013 2 3.01741e+00 1.04579e+00 41 2013 3 9.61035e+00 1.45715e+00 31 2013 4 8.90087e+00 3.00935e+00 3 2013 5 3.12083e+00 8.38530e-01 7 2013 6 2.28803e+00 5.63632e-02 4 2013 7 nan nan 0 2013 8 1.08081e+01 2.80615e-01 13 2013 9 1.03102e+01 4.04706e-01 6 2013 10 4.57755e+00 7.92824e-01 14 2013 11 2.65050e+00 1.13792e+00 43 2013 12 2.68912e+00 2.03668e-01 6 2014 1 5.52470e+00 1.10889e+00 34 2014 2 4.14481e+00 9.88087e-01 70 2014 3 5.87959e+00 5.55984e-01 47 2014 4 6.09537e+00 6.11404e-01 15 2014 5 9.91582e+00 6.28241e-02 4 2014 6 5.56295e+00 1.33689e+00 30 2014 7 3.84540e+00 1.30238e-01 13 2014 8 nan nan 0 2014 9 -3.63717e+00 5.96848e+00 5 2014 10 1.13100e+00 2.26705e+00 100 2014 11 7.79257e-01 1.14124e+00 43 2014 12 1.80439e+00 5.31369e-01 40 2015 1 4.14909e+00 8.17705e-01 75 2015 2 3.39497e+00 2.38752e-01 44 2015 3 3.10120e+00 1.76325e+00 21 2015 4 1.32181e+00 2.13683e+00 16 2015 5 4.40994e+00 2.59117e+00 16 2015 6 -6.71626e-01 2.48663e+00 14 2015 7 1.05233e+00 1.12525e+00 25 2015 8 -1.74471e+00 8.06655e-01 16 2015 9 3.45345e-01 9.90621e-01 40 2015 10 6.62364e+00 3.04967e+00 30 2015 11 4.26711e+00 1.64723e+00 25 2015 12 nan nan 0 2016 1 1.02032e+01 1.38147e+00 16 2016 2 7.44553e+00 9.86428e-01 117 2016 3 5.31600e+00 9.46278e-01 60 2016 4 nan nan 0 2016 5 6.12290e+00 0.00000e+00 1 2016 6 2.42009e+00 1.24557e+00 5 2016 7 1.06975e+00 8.87504e-01 51 2016 8 3.14824e+00 1.40640e+00 22 2016 9 7.22897e-01 1.47711e+00 46 2016 10 3.58557e-01 1.19326e+00 108 2016 11 1.27173e-01 7.86386e-01 47 2016 12 3.04115e+00 1.54595e+00 47 2017 1 8.01793e+00 1.64343e+00 64 2017 2 6.83623e+00 1.50428e+00 55 2017 3 4.05111e+00 2.27664e+00 2 2017 4 1.11477e+00 2.31397e+00 20 2017 5 -3.40701e-01 2.04230e+00 26 2017 6 -2.05133e+00 7.21620e-01 12 2017 7 4.56486e+00 1.00004e+00 41 2017 8 4.80834e+00 0.00000e+00 2 2017 9 2.73448e+00 9.99174e-01 19 2017 10 2.97228e+00 8.62211e-01 40 2017 11 1.77736e+00 1.27397e+00 33 2017 12 1.42887e+00 4.91451e-01 21 2018 1 1.29957e+00 7.37581e-01 80 2018 2 7.16731e+00 2.48739e+00 30 2018 3 6.08308e+00 1.50190e+00 22 2018 4 -5.72750e-02 7.54060e-01 17 2018 5 -1.02837e+00 1.96038e+00 7 2018 6 1.95419e+00 0.00000e+00 1 2018 7 1.08011e+00 5.14069e-01 37 2018 8 3.16100e+00 3.28670e+00 26 2018 9 3.34980e+00 1.74280e+00 29 2018 10 4.70118e+00 1.59447e+00 34 2018 11 9.23943e+00 3.37387e-01 16 2018 12 8.01468e+00 1.04592e-01 21 2019 1 7.05760e+00 1.11345e+00 45 2019 2 8.76073e+00 2.58420e-02 3 2019 3 3.84770e+00 1.21600e+00 24 2019 4 -2.39594e-01 3.86924e+00 28 2019 5 1.61228e-02 2.42228e+00 63 2019 6 6.31277e-01 1.60401e+00 14 2019 7 3.31273e-01 2.38161e+00 13 2019 8 -1.66132e+00 4.12558e-01 16 2019 9 -1.73389e+00 3.23263e+00 69 2019 10 2.33232e-01 4.91629e-01 74 2019 11 8.51283e-02 1.22620e+00 80 2019 12 1.54441e+00 1.73323e+00 55 2020 1 3.52381e+00 3.87549e-01 41 2020 2 5.03932e+00 1.11928e+00 65 2020 3 6.73025e+00 0.00000e+00 1 2020 4 1.57605e+00 1.51874e+00 4 2020 5 1.50151e+00 0.00000e+00 1 2020 6 4.95025e-01 1.23209e+00 18 2020 7 2.32034e+00 5.35662e-01 27 2020 8 nan nan 0 2020 9 1.06137e+01 1.28054e-01 13 2020 10 6.95763e+00 1.28189e+00 38 2020 11 4.43443e+00 1.03809e+00 6 2020 12 3.36994e+00 3.10257e-01 36 2021 1 4.13552e+00 8.12274e-01 26 2021 2 5.75693e+00 1.68081e+00 74 2021 3 5.73199e+00 1.54904e+00 45 2021 4 4.12557e+00 8.77366e-01 34 2021 5 nan nan 0 2021 6 nan nan 0 2021 7 5.95303e+00 6.50015e-02 7 2021 8 -6.65422e-01 7.00496e-01 7 2021 9 4.51651e+00 3.22201e+00 29 2021 10 nan nan 0 2021 11 3.41760e+00 2.77634e-01 11 2021 12 2.69874e+00 3.32976e-01 38 2022 1 2.92453e+00 4.23421e-01 61 2022 2 2.92976e+00 2.69315e-01 53 2022 3 7.53127e-01 1.80154e+00 98 2022 4 4.08895e+00 0.00000e+00 1 2022 5 6.28019e-01 1.28299e+00 16 2022 6 -1.96875e+00 6.57801e-01 10 2022 7 -1.38710e+00 8.24719e-01 35 2022 8 8.87009e-01 1.60822e+00 22 2022 9 2.31571e+00 1.36564e+00 34 2022 10 -2.47964e-01 1.71374e+00 191 2022 11 -1.15963e+00 2.09060e+00 115 2022 12 9.49909e-01 1.18784e+00 72 2023 1 2.28662e+00 5.47917e-01 118 2023 2 3.70256e+00 8.75888e-01 116 2023 3 4.08064e+00 2.19743e+00 52 2023 4 -4.45034e-01 1.04669e+00 24 2023 5 -1.54423e+00 1.46757e+00 28 2023 6 -1.28196e+00 2.29351e+00 23 2023 7 2.86721e+00 1.78475e+00 34 2023 8 6.23965e-01 1.97462e+00 30 2023 9 -7.70596e-02 2.49768e+00 75 2023 10 3.15853e-01 1.31907e+00 161 2023 11 -3.12306e-01 3.20953e+00 120 2023 12 2.57336e+00 1.37658e+00 38 2024 1 3.69428e+00 9.68624e-01 53 2024 2 4.82998e+00 1.18922e+00 64 2024 3 4.49391e+00 2.44225e-01 16 2024 4 nan nan 0