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 2.42643e+00 1.11786e+00 16 2002 8 3.74057e-01 3.61771e-01 21 2002 9 1.86409e+00 1.05028e+00 11 2002 10 1.46032e+00 9.70288e-01 46 2002 11 9.65044e-01 8.25664e-01 9 2002 12 2.38193e+00 2.08281e+00 37 2003 1 4.32145e+00 3.88667e+00 36 2003 2 3.58606e+00 2.11229e+00 27 2003 3 1.07120e+00 2.71652e-01 12 2003 4 2.47089e+00 1.65993e+00 22 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 1.29459e+00 3.52325e-01 14 2003 8 6.31196e-01 1.37172e-01 2 2003 9 1.18423e+00 4.96641e-01 16 2003 10 2.36366e+00 9.43130e-01 35 2003 11 1.63023e+00 1.13091e+00 33 2003 12 6.84990e+00 3.76165e+00 46 2004 1 4.13405e+00 2.82849e+00 21 2004 2 2.82552e+00 8.38128e-01 16 2004 3 1.19203e+00 1.14039e+00 11 2004 4 3.90406e+00 4.15423e+00 14 2004 5 1.10635e+00 9.29713e-01 12 2004 6 8.39193e-01 5.36143e-01 10 2004 7 1.98850e+00 4.63399e-01 12 2004 8 2.34699e+00 7.46954e-01 15 2004 9 4.66435e+00 6.77918e-01 3 2004 10 4.81956e+00 3.16506e+00 31 2004 11 4.15344e+00 2.60341e+00 38 2004 12 5.54740e+00 4.34646e+00 38 2005 1 2.74496e+00 2.59891e+00 4 2005 2 5.44515e+00 3.39876e+00 40 2005 3 6.44081e+00 2.76382e+00 20 2005 4 3.67105e+00 2.42997e+00 28 2005 5 3.56928e-01 1.80015e-01 3 2005 6 nan nan 0 2005 7 1.62590e+00 4.84586e-01 13 2005 8 9.99198e-01 5.60178e-01 38 2005 9 1.37881e+00 1.12466e+00 11 2005 10 6.29607e-01 5.36831e-01 12 2005 11 3.19139e+00 3.40907e+00 39 2005 12 2.42748e+00 1.46969e+00 21 2006 1 7.49366e+00 3.75738e+00 24 2006 2 8.84029e+00 3.43096e+00 45 2006 3 4.26389e+00 1.60661e+00 64 2006 4 4.86204e+00 1.14961e+00 4 2006 5 1.98444e+00 1.77523e+00 16 2006 6 1.54512e+00 1.63736e+00 32 2006 7 nan nan 0 2006 8 2.81572e+00 4.18126e+00 12 2006 9 1.90169e+00 9.59923e-01 15 2006 10 1.28013e+00 7.23723e-01 48 2006 11 6.36112e+00 3.42405e+00 28 2006 12 4.93468e-01 3.98785e-01 10 2007 1 4.13399e+00 4.50139e+00 36 2007 2 2.77740e+00 2.13204e+00 40 2007 3 1.81117e+00 1.09879e+00 17 2007 4 5.46113e-01 0.00000e+00 1 2007 5 nan nan 0 2007 6 1.75806e+00 8.68962e-01 9 2007 7 nan nan 0 2007 8 1.30038e+00 0.00000e+00 1 2007 9 nan nan 0 2007 10 1.12587e+00 7.35033e-01 22 2007 11 3.02349e+00 1.36152e+00 18 2007 12 2.48783e+00 1.59815e+00 49 2008 1 5.71258e+00 2.77220e+00 31 2008 2 1.86857e+00 1.43613e+00 36 2008 3 2.78201e+00 7.98085e-01 14 2008 4 1.08333e+00 9.76052e-01 19 2008 5 5.38683e+00 8.22139e+00 19 2008 6 3.21463e+00 2.63948e+00 20 2008 7 3.12758e+00 2.05150e+00 29 2008 8 1.31407e+00 2.30530e+00 12 2008 9 1.65073e+00 6.92325e-01 18 2008 10 3.15936e+00 2.23942e+00 41 2008 11 3.69428e+00 2.36924e+00 40 2008 12 6.84315e+00 5.44956e+00 37 2009 1 4.65707e+00 3.24567e+00 42 2009 2 7.65260e+00 7.34176e+00 6 2009 3 3.99052e+00 2.15528e+00 43 2009 4 3.06983e+00 1.51526e+00 18 2009 5 1.76071e+00 0.00000e+00 2 2009 6 2.58154e+00 4.46687e-01 10 2009 7 6.37421e-01 3.36034e-01 19 2009 8 1.38455e+00 9.40852e-01 34 2009 9 6.11429e-01 0.00000e+00 1 2009 10 1.43664e+00 8.76943e-01 14 2009 11 4.69776e+00 1.66566e+00 30 2009 12 nan nan 0 2010 1 6.30514e+00 2.25748e+00 61 2010 2 3.29987e+00 3.04555e+00 24 2010 3 1.05510e+01 2.82325e+00 15 2010 4 4.53487e+00 5.60936e+00 42 2010 5 2.45330e+00 0.00000e+00 2 2010 6 5.45530e-01 6.28362e-01 12 2010 7 nan nan 0 2010 8 1.56702e+00 4.05898e-01 3 2010 9 2.68074e+00 1.73044e+00 37 2010 10 3.36099e+00 3.41408e+00 108 2010 11 2.36319e+00 1.47405e+00 65 2010 12 1.75301e+01 3.97766e+00 7 2011 1 1.15894e+01 5.65179e+00 21 2011 2 4.81586e+00 3.39664e+00 64 2011 3 2.76070e+00 7.72840e-01 38 2011 4 3.00338e+00 1.40297e+00 17 2011 5 6.59316e+00 7.81290e+00 12 2011 6 1.92457e+00 1.45704e+00 33 2011 7 2.19375e+00 2.64378e+00 26 2011 8 1.55001e+00 1.08222e+00 10 2011 9 3.44273e+00 4.36912e+00 58 2011 10 2.17043e+00 1.40816e+00 43 2011 11 3.92118e+00 1.97414e+00 29 2011 12 5.01603e+00 4.34204e+00 56 2012 1 4.62967e+00 2.94614e-01 4 2012 2 4.99426e+00 5.59050e+00 29 2012 3 1.68782e+00 1.41738e+00 29 2012 4 2.08128e+00 7.84350e-01 24 2012 5 5.56317e-01 3.59824e-01 4 2012 6 nan nan 0 2012 7 1.67093e+00 1.25353e+00 7 2012 8 3.65395e+00 7.26420e-01 4 2012 9 1.32951e+00 8.42422e-01 38 2012 10 3.17318e+00 8.37864e-01 12 2012 11 2.27620e+00 9.10965e-01 36 2012 12 1.80164e+00 1.16266e+00 23 2013 1 4.28873e+00 6.36119e-01 12 2013 2 5.33536e+00 4.79772e+00 55 2013 3 5.54926e+00 6.09529e+00 34 2013 4 1.69777e+00 4.09933e-01 16 2013 5 1.47946e+00 1.37088e-01 4 2013 6 nan nan 0 2013 7 1.49940e+00 2.46395e-01 14 2013 8 2.36750e+00 2.19011e-01 10 2013 9 9.28131e-01 1.14845e+00 12 2013 10 1.16727e+00 1.78254e+00 78 2013 11 5.16997e+00 6.08064e+00 7 2013 12 3.69617e+00 2.04969e+00 42 2014 1 8.09456e+00 3.18630e+00 10 2014 2 5.37083e+00 4.17529e+00 24 2014 3 5.61521e+00 4.43808e+00 74 2014 4 1.92938e+00 2.64459e+00 18 2014 5 1.88770e+00 1.44602e+00 51 2014 6 1.72684e+00 6.40809e-01 35 2014 7 nan nan 0 2014 8 1.90825e+00 1.65164e+00 59 2014 9 3.11222e+00 3.95391e+00 22 2014 10 1.67121e+00 1.16538e+00 59 2014 11 4.48404e+00 1.75285e+00 19 2014 12 1.63430e+00 2.10139e+00 23 2015 1 8.89695e+00 7.76457e+00 41 2015 2 8.25136e+00 3.44293e+00 4 2015 3 2.99286e+00 8.85583e-01 33 2015 4 1.28574e+00 7.92389e-01 19 2015 5 1.97424e+00 7.80709e-01 24 2015 6 6.21117e-01 1.47529e-01 7 2015 7 nan nan 0 2015 8 6.73161e+00 4.63297e+00 40 2015 9 3.48916e-01 2.02160e-01 5 2015 10 1.23540e+00 8.68310e-01 7 2015 11 1.17797e+00 1.16614e+00 30 2015 12 1.73536e+00 1.22291e+00 13 2016 1 6.80736e+00 1.97704e+00 18 2016 2 1.32825e+01 7.59416e+00 33 2016 3 8.86860e+00 1.98635e+00 4 2016 4 3.83282e+00 2.00528e+00 17 2016 5 1.09986e+00 1.02232e+00 21 2016 6 3.79875e+00 2.65624e+00 19 2016 7 2.27499e+00 7.16320e-01 20 2016 8 8.07586e-01 3.19286e-01 6 2016 9 1.06045e+00 6.71292e-01 15 2016 10 1.61162e+00 1.03648e+00 38 2016 11 2.13592e+00 1.36477e+00 37 2016 12 1.26388e+00 9.64040e-01 37 2017 1 4.48044e+00 3.77254e+00 15 2017 2 3.47825e+00 2.33713e+00 30 2017 3 3.53564e+00 1.17676e+00 30 2017 4 3.24950e+00 2.60461e+00 44 2017 5 2.15672e+00 0.00000e+00 1 2017 6 2.71530e+00 1.69155e+00 9 2017 7 1.20596e+00 1.11919e-01 5 2017 8 8.55080e+00 5.87679e+00 15 2017 9 1.36246e+00 8.70821e-01 39 2017 10 4.91860e+00 3.80448e+00 31 2017 11 1.88804e+00 1.55928e+00 42 2017 12 4.13752e+00 1.20398e+00 20 2018 1 1.76117e+00 2.90417e-01 3 2018 2 4.13810e+00 1.12261e+00 17 2018 3 7.87061e+00 4.39428e+00 31 2018 4 4.90371e+00 6.40750e+00 25 2018 5 1.57995e+00 1.44721e+00 24 2018 6 2.41131e+00 1.85760e+00 17 2018 7 7.52664e+00 6.90799e+00 3 2018 8 1.49364e+00 1.18712e+00 49 2018 9 2.11616e-01 1.28326e-01 10 2018 10 1.06843e+00 8.64067e-01 31 2018 11 2.45390e+00 1.23805e+00 14 2018 12 3.12200e+00 3.45737e+00 14 2019 1 1.33456e+01 2.79285e-01 2 2019 2 7.13666e+00 3.15172e+00 55 2019 3 3.45532e+00 1.99884e+00 65 2019 4 5.59919e+00 1.90288e+00 10 2019 5 2.81366e+00 1.14420e+00 18 2019 6 1.95732e+00 2.93557e-01 7 2019 7 1.07408e+00 3.89628e-01 16 2019 8 1.26875e+00 5.68529e-01 14 2019 9 1.19157e+00 5.64330e-01 20 2019 10 1.08681e+00 4.26021e-01 8 2019 11 2.72500e+00 1.67514e+00 44 2019 12 4.50565e+00 1.30906e+00 3 2020 1 7.68596e+00 1.69929e+00 18 2020 2 1.08919e+01 5.42190e+00 25 2020 3 1.15340e+01 6.54366e+00 11 2020 4 4.52534e+00 1.19063e+00 5 2020 5 6.50521e-01 3.57530e-01 8 2020 6 1.78303e+00 1.08639e+00 34 2020 7 8.80288e+00 7.47750e+00 20 2020 8 nan nan 0 2020 9 nan nan 0 2020 10 2.10873e+00 7.64200e-01 7 2020 11 3.04012e+00 1.82864e+00 32 2020 12 2.60092e+00 1.58185e+00 25 2021 1 2.96397e+00 2.27274e+00 29 2021 2 8.50368e+00 4.14974e+00 11 2021 3 8.86898e+00 1.01483e+00 4 2021 4 2.76991e+00 1.32864e+00 10 2021 5 1.98143e+00 1.71154e+00 25 2021 6 nan nan 0 2021 7 2.75714e+00 8.46921e-01 8 2021 8 6.79645e-01 3.49304e-01 3 2021 9 9.39607e-01 9.07103e-01 24 2021 10 1.25476e+00 2.31652e+00 31 2021 11 1.40115e+00 7.48821e-01 22 2021 12 1.63888e+00 9.04412e-01 42 2022 1 1.02633e+01 6.39999e+00 30 2022 2 6.42482e+00 6.71207e+00 39 2022 3 5.48122e+00 3.56826e+00 30 2022 4 6.64075e-01 5.72803e-01 2 2022 5 1.91045e+00 4.21164e-01 7 2022 6 nan nan 0 2022 7 3.98991e+00 0.00000e+00 1 2022 8 1.07683e+00 1.41836e+00 20 2022 9 2.18187e+00 2.70447e+00 18 2022 10 1.43917e+00 1.02964e+00 95 2022 11 3.75600e+00 2.87611e+00 42 2022 12 2.95453e+00 1.57044e+00 46 2023 1 3.42647e+00 2.99583e+00 126 2023 2 4.20468e+00 4.41259e+00 85 2023 3 3.49493e+00 1.17112e+00 185 2023 4 1.18936e+00 9.80302e-01 6 2023 5 4.56025e+00 4.30663e+00 23 2023 6 5.98843e+00 6.88357e+00 26 2023 7 2.72736e+00 2.60549e+00 51 2023 8 2.12594e+00 2.77988e+00 26 2023 9 1.64544e+00 2.25082e+00 52 2023 10 1.11143e+00 7.88217e-01 71 2023 11 2.26544e+00 1.75449e+00 62 2023 12 9.68928e+00 5.58446e+00 55 2024 1 7.10681e+00 1.20550e+00 20 2024 2 6.28489e+00 5.45843e+00 69 2024 3 3.90697e+00 2.95914e+00 91 2024 4 nan nan 0