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 2.50340e+00 6.30134e-01 18 2002 8 2.24783e+00 4.52888e-01 24 2002 9 5.44194e+00 1.18702e+00 11 2002 10 3.86112e+00 9.46262e-01 56 2002 11 3.54792e+00 1.60988e+00 21 2002 12 5.63393e+00 2.66938e+00 38 2003 1 6.20060e+00 3.10841e+00 48 2003 2 4.20146e+00 9.95207e-01 27 2003 3 2.30190e+00 1.35409e-01 13 2003 4 2.41963e+00 9.25462e-01 25 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 3.72778e+00 4.13897e-01 14 2003 8 4.06814e+00 1.97613e-01 2 2003 9 3.12887e+00 6.40124e-01 17 2003 10 5.29109e+00 7.45284e-01 35 2003 11 2.79828e+00 1.26522e+00 41 2003 12 6.40654e+00 2.14835e+00 46 2004 1 8.44282e+00 2.57275e+00 21 2004 2 3.35653e+00 3.80833e-01 16 2004 3 2.23815e+00 2.70062e-01 14 2004 4 3.72654e+00 3.31667e+00 17 2004 5 2.05478e+00 5.33800e-01 14 2004 6 2.16263e+00 2.85810e-01 12 2004 7 2.93685e+00 9.89441e-01 12 2004 8 4.08600e+00 1.24603e+00 16 2004 9 5.21706e+00 2.95670e-01 3 2004 10 1.03091e+01 3.16754e+00 31 2004 11 7.19789e+00 2.43039e+00 38 2004 12 7.92485e+00 4.13958e+00 38 2005 1 5.29240e+00 3.15829e+00 4 2005 2 6.32868e+00 1.98302e+00 40 2005 3 5.81055e+00 1.35698e+00 20 2005 4 4.31532e+00 2.91612e+00 28 2005 5 1.47391e+00 1.26431e-01 3 2005 6 1.33200e+00 2.84777e-01 4 2005 7 7.36168e+00 7.81562e-01 13 2005 8 5.54964e+00 2.68338e+00 41 2005 9 4.23345e+00 6.75989e-01 11 2005 10 3.09983e+00 2.93016e-01 14 2005 11 5.76618e+00 4.12373e+00 39 2005 12 4.11861e+00 1.28258e+00 21 2006 1 7.74706e+00 2.64145e+00 24 2006 2 5.46085e+00 2.34712e+00 47 2006 3 2.75579e+00 5.12373e-01 65 2006 4 2.30105e+00 1.06734e+00 6 2006 5 1.91431e+00 2.59975e-01 21 2006 6 2.43038e+00 6.42733e-01 32 2006 7 nan nan 0 2006 8 3.04705e+00 1.14055e+00 12 2006 9 4.97669e+00 5.91402e-01 15 2006 10 5.24720e+00 3.18713e+00 49 2006 11 5.62494e+00 1.38842e+00 29 2006 12 2.97796e+00 4.27701e-02 12 2007 1 4.33912e+00 2.84107e+00 36 2007 2 2.50148e+00 4.50899e-01 41 2007 3 1.88922e+00 2.85497e-01 18 2007 4 1.64720e+00 5.66150e-01 6 2007 5 1.22612e+00 0.00000e+00 3 2007 6 1.64433e+00 8.48693e-01 12 2007 7 nan nan 0 2007 8 2.32188e+00 0.00000e+00 1 2007 9 nan nan 0 2007 10 2.50682e+00 4.04593e-01 23 2007 11 3.94369e+00 7.79356e-01 18 2007 12 3.29529e+00 8.54309e-01 51 2008 1 4.06275e+00 1.60230e+00 34 2008 2 2.40710e+00 3.96213e-01 39 2008 3 2.17043e+00 2.44516e-01 14 2008 4 2.71416e+00 5.63898e-01 21 2008 5 3.43254e+00 7.87016e-01 19 2008 6 3.75174e+00 7.10290e-01 20 2008 7 2.37621e+00 3.00717e-01 29 2008 8 2.56092e+00 1.65356e-01 13 2008 9 3.10107e+00 7.82831e-01 18 2008 10 4.08739e+00 1.40666e+00 43 2008 11 3.63842e+00 9.50272e-01 47 2008 12 6.16478e+00 4.51860e+00 37 2009 1 3.70705e+00 1.39332e+00 44 2009 2 5.41652e+00 4.98626e+00 7 2009 3 2.51722e+00 5.59189e-01 46 2009 4 2.13044e+00 7.19009e-01 19 2009 5 1.89765e+00 0.00000e+00 2 2009 6 3.06146e+00 2.18856e-01 10 2009 7 3.24619e+00 2.38962e-01 19 2009 8 2.77960e+00 5.56580e-01 40 2009 9 4.06028e+00 0.00000e+00 1 2009 10 3.79715e+00 1.59412e+00 14 2009 11 5.20421e+00 1.90996e+00 30 2009 12 nan nan 0 2010 1 4.21185e+00 5.87823e-01 61 2010 2 2.90041e+00 1.30104e+00 26 2010 3 5.73536e+00 1.51379e+00 15 2010 4 3.52837e+00 1.71783e+00 42 2010 5 3.14104e+00 0.00000e+00 2 2010 6 1.40200e+00 4.49250e-01 20 2010 7 nan nan 0 2010 8 4.10930e+00 6.20488e-01 3 2010 9 3.79180e+00 6.70514e-01 37 2010 10 3.71231e+00 1.58125e+00 108 2010 11 3.09212e+00 6.10794e-01 67 2010 12 9.13824e+00 2.25965e+00 7 2011 1 7.64913e+00 4.26553e+00 21 2011 2 3.50078e+00 1.81841e+00 67 2011 3 2.26303e+00 2.99711e-01 38 2011 4 2.68242e+00 4.43104e-01 17 2011 5 4.77625e+00 2.53665e+00 13 2011 6 2.36262e+00 8.08721e-01 39 2011 7 3.11522e+00 6.56745e-01 30 2011 8 3.24801e+00 1.18303e+00 10 2011 9 4.38215e+00 3.80127e+00 59 2011 10 3.04806e+00 8.90244e-01 47 2011 11 3.44248e+00 9.06487e-01 29 2011 12 3.84155e+00 1.75513e+00 57 2012 1 3.26467e+00 3.28018e-02 4 2012 2 3.30898e+00 3.22830e+00 33 2012 3 2.05014e+00 3.34235e-01 32 2012 4 1.78935e+00 6.12805e-01 28 2012 5 1.79231e+00 2.70519e-01 4 2012 6 nan nan 0 2012 7 2.66789e+00 7.43715e-01 7 2012 8 2.82728e+00 2.43660e-02 4 2012 9 3.12240e+00 3.63106e-01 38 2012 10 3.31486e+00 2.47187e-01 12 2012 11 3.60009e+00 6.23985e-01 36 2012 12 3.08941e+00 6.91519e-01 32 2013 1 3.80260e+00 5.84445e-01 12 2013 2 4.35790e+00 3.73654e+00 57 2013 3 4.01290e+00 3.33336e+00 34 2013 4 2.35144e+00 4.67224e-01 21 2013 5 1.84065e+00 3.56310e-01 6 2013 6 nan nan 0 2013 7 3.82601e+00 8.68847e-01 14 2013 8 4.12967e+00 1.34068e-01 10 2013 9 3.08029e+00 1.20563e+00 17 2013 10 2.80671e+00 1.30406e+00 109 2013 11 5.25391e+00 1.75168e+00 9 2013 12 4.16327e+00 1.05229e+00 42 2014 1 5.31282e+00 1.22247e+00 10 2014 2 4.37348e+00 2.26659e+00 25 2014 3 3.83608e+00 2.15704e+00 77 2014 4 1.73157e+00 2.99100e-01 24 2014 5 2.36062e+00 8.88755e-01 59 2014 6 2.65831e+00 5.07740e-01 35 2014 7 nan nan 0 2014 8 3.28394e+00 1.86723e+00 61 2014 9 3.34433e+00 7.29827e-01 24 2014 10 2.83177e+00 1.45447e+00 74 2014 11 4.09884e+00 7.94007e-01 19 2014 12 2.70144e+00 9.25572e-01 26 2015 1 7.28950e+00 6.35265e+00 41 2015 2 6.58993e+00 2.17148e+00 4 2015 3 2.80194e+00 4.27313e-01 34 2015 4 1.95819e+00 5.51938e-01 24 2015 5 3.67211e+00 1.51285e+00 24 2015 6 1.68694e+00 1.69098e-01 13 2015 7 nan nan 0 2015 8 6.80288e+00 2.83337e+00 40 2015 9 2.58473e+00 6.49327e-01 7 2015 10 3.38543e+00 1.65475e-01 11 2015 11 2.58711e+00 1.15033e+00 43 2015 12 2.81970e+00 4.51582e-01 13 2016 1 6.50341e+00 8.78391e-01 18 2016 2 1.04075e+01 6.77143e+00 33 2016 3 6.64940e+00 6.42570e-01 4 2016 4 2.84253e+00 9.77153e-01 18 2016 5 1.50925e+00 3.51787e-01 29 2016 6 3.00804e+00 5.79881e-01 22 2016 7 4.64122e+00 1.79947e+00 20 2016 8 2.55488e+00 4.47538e-01 11 2016 9 3.27026e+00 1.19619e+00 16 2016 10 2.45693e+00 5.98959e-01 46 2016 11 3.04690e+00 5.85618e-01 39 2016 12 2.26940e+00 4.91170e-01 45 2017 1 3.24214e+00 1.02395e+00 15 2017 2 2.88706e+00 1.25680e+00 33 2017 3 2.77812e+00 5.67613e-01 30 2017 4 2.92521e+00 9.18378e-01 46 2017 5 2.10437e+00 0.00000e+00 1 2017 6 2.73844e+00 7.57055e-01 9 2017 7 2.68599e+00 2.61936e-01 5 2017 8 9.16794e+00 3.25337e+00 16 2017 9 7.75725e+00 5.44879e+00 41 2017 10 7.22207e+00 3.38169e+00 31 2017 11 2.85378e+00 7.22621e-01 43 2017 12 3.92417e+00 5.71401e-01 20 2018 1 3.09043e+00 1.15322e-01 3 2018 2 3.11046e+00 2.18666e-01 17 2018 3 5.34552e+00 2.94808e+00 31 2018 4 3.00300e+00 1.81210e+00 29 2018 5 1.88575e+00 3.91096e-01 31 2018 6 3.24988e+00 6.90870e-01 17 2018 7 2.76737e+00 3.90655e-01 3 2018 8 3.55320e+00 1.37453e+00 50 2018 9 4.30313e+00 3.35208e+00 17 2018 10 4.69832e+00 1.53729e+00 35 2018 11 5.84169e+00 7.36405e-01 14 2018 12 4.81251e+00 2.28164e+00 15 2019 1 1.50769e+01 5.42537e+00 2 2019 2 4.89648e+00 1.58506e+00 55 2019 3 2.61420e+00 6.93162e-01 71 2019 4 3.59299e+00 7.42696e-01 10 2019 5 2.14673e+00 2.65376e-01 18 2019 6 3.46854e+00 1.04047e-01 7 2019 7 1.93440e+00 1.43391e-01 16 2019 8 1.22446e+01 2.04999e+00 15 2019 9 3.31944e+00 1.28341e+00 26 2019 10 2.04215e+00 5.51519e-01 14 2019 11 3.21221e+00 1.15590e+00 47 2019 12 4.22535e+00 2.15362e-01 3 2020 1 4.72221e+00 1.02390e+00 18 2020 2 7.05902e+00 2.43155e+00 25 2020 3 8.51959e+00 3.99429e+00 11 2020 4 3.16918e+00 3.53295e-01 5 2020 5 1.60404e+00 2.38705e-01 13 2020 6 2.71626e+00 1.00353e+00 37 2020 7 3.68398e+00 4.73573e-01 20 2020 8 nan nan 0 2020 9 nan nan 0 2020 10 4.23358e+00 2.28444e-01 7 2020 11 4.30951e+00 1.23224e+00 35 2020 12 4.95228e+00 1.57132e+00 28 2021 1 4.20885e+00 1.07584e+00 29 2021 2 5.18796e+00 1.97021e+00 11 2021 3 5.33541e+00 4.42809e-01 4 2021 4 2.45413e+00 3.99847e-01 10 2021 5 1.94480e+00 6.68595e-01 35 2021 6 nan nan 0 2021 7 3.37173e+00 1.22071e+00 8 2021 8 1.42704e+00 2.76567e-01 18 2021 9 2.79970e+00 9.44875e-01 45 2021 10 3.25112e+00 4.55960e-01 58 2021 11 2.70711e+00 3.24031e-01 22 2021 12 3.62218e+00 1.14416e+00 42 2022 1 8.33810e+00 5.61921e+00 30 2022 2 5.04879e+00 4.34097e+00 39 2022 3 3.10111e+00 1.27985e+00 35 2022 4 1.59293e+00 2.34021e-01 3 2022 5 2.02670e+00 4.08588e-01 9 2022 6 1.44136e+00 0.00000e+00 1 2022 7 3.56697e+00 0.00000e+00 1 2022 8 1.96091e+00 4.15608e-01 22 2022 9 3.58155e+00 1.51986e+00 18 2022 10 3.47820e+00 2.22413e+00 107 2022 11 4.47468e+00 1.78567e+00 44 2022 12 3.67269e+00 9.28010e-01 46 2023 1 3.44132e+00 1.56085e+00 130 2023 2 3.10228e+00 2.31534e+00 89 2023 3 2.70948e+00 9.04001e-01 185 2023 4 2.22177e+00 1.28575e+00 7 2023 5 1.73168e+00 5.54307e-01 36 2023 6 2.20175e+00 6.45893e-01 36 2023 7 2.76682e+00 8.49113e-01 54 2023 8 1.97554e+00 5.77588e-01 31 2023 9 2.00158e+00 7.78712e-01 69 2023 10 2.20283e+00 4.04287e-01 71 2023 11 2.26497e+00 1.01147e+00 73 2023 12 8.73476e+00 4.98781e+00 56 2024 1 5.04989e+00 5.23569e-01 20 2024 2 3.86902e+00 2.23981e+00 77 2024 3 2.56029e+00 1.00383e+00 98 2024 4 nan nan 0