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 1.66448e+00 6.96803e-02 12 2002 8 nan nan 0 2002 9 2.00705e+00 8.89623e-02 16 2002 10 1.77854e+00 1.01699e-01 13 2002 11 2.80023e+00 3.96692e-01 52 2002 12 2.64394e+00 8.59937e-01 58 2003 1 2.61707e+00 7.01299e-01 48 2003 2 2.18670e+00 5.94877e-01 47 2003 3 5.60560e+00 1.55711e-01 7 2003 4 3.19634e+00 8.52321e-01 13 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 nan nan 0 2003 9 2.33074e+00 7.93216e-01 19 2003 10 1.67898e+00 4.11992e-01 114 2003 11 1.84147e+00 6.15608e-01 114 2003 12 2.76379e+00 5.96927e-01 74 2004 1 2.59835e+00 7.33684e-01 13 2004 2 nan nan 0 2004 3 2.97119e+00 6.45777e-01 31 2004 4 2.00195e+00 5.64350e-01 21 2004 5 2.70300e+00 3.04404e-01 31 2004 6 2.68453e+00 1.56134e-01 9 2004 7 3.69569e+00 2.59741e-01 14 2004 8 1.61319e+00 1.45129e-01 8 2004 9 1.76475e+00 0.00000e+00 1 2004 10 2.79439e+00 2.43656e-01 28 2004 11 3.39944e+00 5.81095e-01 52 2004 12 3.54753e+00 3.66103e-01 48 2005 1 2.97541e+00 5.72448e-01 25 2005 2 3.80161e+00 3.70322e-01 37 2005 3 2.69250e+00 8.67381e-01 84 2005 4 6.86499e+00 8.11938e-02 4 2005 5 3.06329e+00 5.60958e-01 7 2005 6 2.62697e+00 1.95106e-01 19 2005 7 2.49849e+00 4.51822e-01 22 2005 8 nan nan 0 2005 9 2.49234e+00 3.19875e-01 14 2005 10 2.07226e+00 8.67435e-01 83 2005 11 2.18771e+00 5.05058e-01 47 2005 12 2.72690e+00 6.69851e-01 48 2006 1 3.59940e+00 1.28945e+00 46 2006 2 3.47507e+00 5.31551e-01 58 2006 3 3.14652e+00 1.16255e+00 33 2006 4 2.53826e+00 3.48591e-01 59 2006 5 2.82775e+00 5.64372e-01 39 2006 6 1.52517e+00 3.35302e-01 25 2006 7 2.68322e+00 2.59103e-01 32 2006 8 nan nan 0 2006 9 2.35794e+00 1.35813e-01 28 2006 10 2.01213e+00 4.22810e-01 97 2006 11 2.37729e+00 5.43000e-01 72 2006 12 2.09716e+00 8.55088e-01 79 2007 1 2.44877e+00 6.04560e-01 48 2007 2 2.24631e+00 5.10731e-01 48 2007 3 2.34093e+00 4.99430e-01 54 2007 4 2.72878e+00 4.52397e-01 30 2007 5 1.83080e+00 1.51389e-01 20 2007 6 nan nan 0 2007 7 nan nan 0 2007 8 2.44496e+00 8.44942e-02 12 2007 9 1.31726e+00 1.74607e-01 16 2007 10 2.12729e+00 6.10248e-01 50 2007 11 1.43193e+00 4.34134e-01 67 2007 12 1.90967e+00 4.55494e-01 41 2008 1 2.95486e+00 8.14945e-01 27 2008 2 3.69609e+00 1.72059e-01 7 2008 3 4.19430e+00 9.93385e-01 21 2008 4 2.29809e+00 2.64000e-01 25 2008 5 2.23775e+00 2.82297e-02 3 2008 6 1.32406e+00 6.93015e-02 4 2008 7 1.79774e+00 3.54542e-01 22 2008 8 2.28613e+00 8.62401e-01 17 2008 9 1.89823e+00 3.61902e-01 31 2008 10 1.76383e+00 4.65173e-01 85 2008 11 1.53256e+00 4.68913e-01 84 2008 12 3.67764e+00 1.09796e+00 32 2009 1 3.26771e+00 2.49173e-01 41 2009 2 2.48633e+00 1.58756e-01 33 2009 3 2.55271e+00 9.31390e-01 32 2009 4 nan nan 0 2009 5 nan nan 0 2009 6 nan nan 0 2009 7 nan nan 0 2009 8 nan nan 0 2009 9 2.35140e+00 1.44586e-01 16 2009 10 1.61860e+00 4.05429e-01 25 2009 11 2.54946e+00 3.51419e-01 47 2009 12 4.17341e+00 1.50951e-01 8 2010 1 4.93281e+00 3.85757e-01 41 2010 2 6.42315e+00 2.08249e+00 38 2010 3 6.31297e+00 2.14533e-01 33 2010 4 3.50019e+00 1.28293e+00 38 2010 5 3.54412e+00 2.35017e-01 14 2010 6 1.84014e+00 1.27660e-01 22 2010 7 2.29179e+00 3.81753e-01 26 2010 8 nan nan 0 2010 9 1.82008e+00 5.25546e-01 47 2010 10 1.61705e+00 2.44944e-01 106 2010 11 1.85454e+00 2.19907e-01 83 2010 12 2.52237e+00 7.59294e-01 122 2011 1 2.58051e+00 7.05772e-01 91 2011 2 5.02419e+00 1.21756e+00 21 2011 3 4.04682e+00 1.84518e-01 15 2011 4 2.23506e+00 1.28298e-01 13 2011 5 1.26742e+00 2.46715e-01 24 2011 6 3.57413e+00 8.12870e-02 3 2011 7 2.03327e+00 3.59364e-02 2 2011 8 2.06737e+00 1.29910e-01 16 2011 9 1.68850e+00 3.64903e-01 15 2011 10 1.38670e+00 6.42384e-01 61 2011 11 1.96900e+00 5.49689e-01 74 2011 12 1.91748e+00 7.71846e-01 41 2012 1 1.87246e+00 3.66322e-01 49 2012 2 3.97000e+00 4.01944e-01 15 2012 3 2.31397e+00 1.42299e+00 36 2012 4 2.22801e+00 5.49744e-01 25 2012 5 1.58362e+00 1.21679e-01 16 2012 6 nan nan 0 2012 7 1.58725e+00 1.89783e-01 14 2012 8 nan nan 0 2012 9 1.39832e+00 6.41216e-01 11 2012 10 2.45417e+00 6.84927e-01 37 2012 11 1.76585e+00 3.97470e-01 93 2012 12 1.27931e+00 5.49003e-01 56 2013 1 2.64767e+00 6.59059e-01 47 2013 2 2.74535e+00 1.38913e+00 39 2013 3 3.21782e+00 1.02732e+00 62 2013 4 2.78355e+00 3.82922e-02 15 2013 5 5.09429e+00 2.10391e-01 16 2013 6 nan nan 0 2013 7 nan nan 0 2013 8 2.62815e+00 5.25923e-01 38 2013 9 1.53562e+00 8.82188e-02 12 2013 10 1.77993e+00 3.18553e-01 70 2013 11 1.79517e+00 9.95060e-01 55 2013 12 1.70353e+00 3.19590e-01 50 2014 1 4.01067e+00 6.65126e-01 35 2014 2 2.97241e+00 5.82698e-01 37 2014 3 3.97855e+00 9.19925e-01 34 2014 4 nan nan 0 2014 5 nan nan 0 2014 6 nan nan 0 2014 7 1.69542e+00 3.94215e-01 10 2014 8 1.94248e+00 8.47603e-02 14 2014 9 1.28254e+00 5.59118e-01 30 2014 10 1.93500e+00 7.52887e-01 118 2014 11 1.99394e+00 5.59531e-01 105 2014 12 1.60918e+00 3.41799e-01 82 2015 1 3.07412e+00 1.24479e+00 55 2015 2 2.60546e+00 9.37151e-01 68 2015 3 2.89482e+00 1.75815e-01 16 2015 4 nan nan 0 2015 5 2.28125e+00 4.15363e-01 8 2015 6 2.39015e+00 1.43768e-01 16 2015 7 nan nan 0 2015 8 1.69491e+00 5.81446e-01 23 2015 9 nan nan 0 2015 10 1.69839e+00 1.80322e-01 57 2015 11 9.25040e-01 6.43341e-02 8 2015 12 1.54196e+00 1.31777e-01 16 2016 1 4.05880e+00 1.05989e+00 32 2016 2 6.59496e+00 1.21824e+00 41 2016 3 4.75213e+00 8.47179e-01 21 2016 4 5.25261e+00 5.28075e-01 18 2016 5 2.36098e+00 2.00381e-01 16 2016 6 1.88193e+00 2.98232e-01 32 2016 7 1.81736e+00 1.40613e-01 32 2016 8 1.20630e+00 4.96500e-01 11 2016 9 1.78381e+00 2.69313e-01 67 2016 10 1.65430e+00 5.44526e-01 65 2016 11 1.56974e+00 2.71968e-01 97 2016 12 1.79784e+00 4.61501e-01 51 2017 1 2.53591e+00 5.80192e-02 8 2017 2 3.76846e+00 5.52731e-01 39 2017 3 2.77568e+00 1.16164e+00 30 2017 4 2.96788e+00 3.51595e-01 21 2017 5 2.47214e+00 1.44068e+00 43 2017 6 nan nan 0 2017 7 3.06293e+00 1.83316e-01 11 2017 8 2.70401e+00 1.92704e-01 16 2017 9 2.34716e+00 4.96250e-01 42 2017 10 2.78124e+00 6.06648e-01 42 2017 11 1.86838e+00 9.45644e-01 77 2017 12 1.84841e+00 2.73105e-01 48 2018 1 2.72414e+00 7.63320e-01 93 2018 2 1.01114e+00 1.02624e-01 9 2018 3 2.74122e+00 1.34677e+00 39 2018 4 2.25121e+00 1.36662e-01 64 2018 5 2.52573e+00 6.54513e-02 16 2018 6 nan nan 0 2018 7 nan nan 0 2018 8 1.75891e+00 2.32940e-01 13 2018 9 2.45146e+00 5.58610e-01 36 2018 10 1.57113e+00 2.78470e-01 63 2018 11 2.78648e+00 8.08095e-02 16 2018 12 2.99723e+00 7.86772e-01 38 2019 1 5.86617e+00 3.35989e-01 11 2019 2 2.98985e+00 2.87233e-01 24 2019 3 2.62267e+00 1.01380e+00 56 2019 4 3.61293e+00 3.37640e-01 13 2019 5 2.55027e+00 3.82566e-01 40 2019 6 3.15240e+00 3.48415e-01 5 2019 7 nan nan 0 2019 8 1.54077e+00 4.97525e-01 8 2019 9 2.38870e+00 4.66716e-01 33 2019 10 1.48597e+00 2.14067e-01 39 2019 11 2.14295e+00 9.06964e-01 52 2019 12 2.70046e+00 1.02381e+00 24 2020 1 2.92231e+00 1.17634e+00 38 2020 2 5.30855e+00 5.71549e-02 4 2020 3 3.35428e+00 3.64769e-01 16 2020 4 2.75317e+00 1.01394e+00 29 2020 5 nan nan 0 2020 6 2.86206e+00 8.22435e-01 25 2020 7 1.70524e+00 8.98530e-02 9 2020 8 2.21378e+00 1.03166e-01 9 2020 9 nan nan 0 2020 10 5.00809e+00 2.91489e-01 13 2020 11 1.52122e+00 2.29907e-01 53 2020 12 2.77339e+00 9.31775e-01 68 2021 1 2.80016e+00 6.06964e-01 32 2021 2 3.61570e+00 1.21814e+00 46 2021 3 3.74383e+00 1.08270e+00 63 2021 4 2.34214e+00 2.72928e-01 2 2021 5 2.55992e+00 5.63539e-02 9 2021 6 nan nan 0 2021 7 nan nan 0 2021 8 1.52901e+00 1.13099e-01 16 2021 9 4.46168e+00 2.55470e-02 2 2021 10 nan nan 0 2021 11 1.75665e+00 5.24227e-01 69 2021 12 1.29931e+00 6.53629e-02 16 2022 1 3.45348e+00 5.42300e-01 35 2022 2 4.58343e+00 1.24021e+00 48 2022 3 2.61094e+00 8.39163e-01 72 2022 4 nan nan 0 2022 5 4.13899e+00 5.57195e-01 21 2022 6 nan nan 0 2022 7 2.03457e+00 3.62385e-01 16 2022 8 2.42394e+00 7.23292e-02 3 2022 9 1.77379e+00 5.25964e-02 14 2022 10 1.99518e+00 4.11412e-01 151 2022 11 1.82351e+00 8.50093e-01 55 2022 12 2.76442e+00 1.31445e+00 63 2023 1 2.50173e+00 7.91436e-01 89 2023 2 4.14135e+00 9.63516e-01 38 2023 3 2.26170e+00 3.60902e-01 27 2023 4 2.34622e+00 7.72054e-01 31 2023 5 1.81154e+00 3.73061e-01 21 2023 6 3.53911e+00 2.27926e+00 12 2023 7 2.07310e+00 8.43947e-01 36 2023 8 1.51392e+00 4.77229e-01 12 2023 9 1.87737e+00 3.82794e-01 78 2023 10 1.57577e+00 3.01730e-01 95 2023 11 1.68688e+00 4.62353e-01 112 2023 12 1.15465e+00 3.62155e-01 58 2024 1 2.98104e+00 3.25530e-01 36 2024 2 3.59197e+00 4.54777e-01 47 2024 3 2.32933e+00 6.07643e-01 32 2024 4 2.69411e+00 4.39796e-01 11