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 7.59929e+00 1.62380e+00 81 2002 8 8.87962e+00 2.95145e+00 141 2002 9 5.74268e+00 1.90225e+00 503 2002 10 4.24016e+00 4.64856e-01 243 2002 11 2.88042e+00 5.12417e-01 43 2002 12 2.78796e+00 1.50094e-01 54 2003 1 nan nan 0 2003 2 nan nan 0 2003 3 nan nan 0 2003 4 nan nan 0 2003 5 nan nan 0 2003 6 1.26505e+01 2.78833e+00 89 2003 7 8.30129e+00 1.60844e+00 125 2003 8 2.20884e+01 1.15086e+01 92 2003 9 1.03258e+01 4.29917e+00 13 2003 10 9.22017e+00 8.30087e+00 296 2003 11 3.93376e+00 8.28548e-01 116 2003 12 3.55722e+00 6.74082e-01 50 2004 1 nan nan 0 2004 2 nan nan 0 2004 3 3.26711e+00 3.22660e-01 101 2004 4 2.69197e+00 7.82397e-01 79 2004 5 6.08116e+00 2.20889e+00 120 2004 6 6.89493e+00 4.25282e-01 33 2004 7 1.01825e+01 1.01848e+01 59 2004 8 7.96495e+00 6.04814e+00 39 2004 9 6.28299e+00 3.19720e+00 67 2004 10 4.12841e+00 6.17956e-01 141 2004 11 4.95649e+00 1.06183e+00 22 2004 12 3.42437e+00 5.01343e-01 52 2005 1 nan nan 0 2005 2 nan nan 0 2005 3 3.65179e+00 7.93621e-01 84 2005 4 4.12906e+00 2.24143e+00 150 2005 5 4.49309e+00 8.76055e-01 167 2005 6 7.14594e+00 2.79002e+00 95 2005 7 1.37402e+01 9.45760e+00 279 2005 8 1.19070e+01 6.22540e+00 297 2005 9 7.09673e+00 2.16203e+00 476 2005 10 4.32481e+00 1.48643e+00 343 2005 11 3.05975e+00 6.48460e-01 220 2005 12 nan nan 0 2006 1 3.72217e+00 8.41216e-01 17 2006 2 4.52368e+00 3.97276e-01 25 2006 3 4.20860e+00 8.27424e-01 116 2006 4 4.54180e+00 5.62420e-01 53 2006 5 5.05837e+00 8.71979e-01 100 2006 6 1.02960e+01 8.14476e+00 226 2006 7 1.67938e+01 9.24729e+00 117 2006 8 2.31020e+01 1.47292e+01 95 2006 9 4.84831e+00 1.33396e+00 81 2006 10 4.12476e+00 5.30336e-01 27 2006 11 4.64222e+00 1.95435e+00 40 2006 12 4.23390e+00 5.57934e-01 18 2007 1 nan nan 0 2007 2 nan nan 0 2007 3 3.94316e+00 0.00000e+00 1 2007 4 4.67611e+00 1.33154e+00 189 2007 5 9.99399e+00 4.89309e+00 107 2007 6 7.77788e+00 2.80503e+00 341 2007 7 1.52855e+01 7.14365e+00 330 2007 8 1.82922e+01 6.43692e+00 78 2007 9 1.76987e+01 1.29309e+01 259 2007 10 8.24711e+00 3.14662e+00 238 2007 11 4.42609e+00 9.97384e-01 112 2007 12 3.58891e+00 4.56495e-01 28 2008 1 nan nan 0 2008 2 nan nan 0 2008 3 nan nan 0 2008 4 nan nan 0 2008 5 nan nan 0 2008 6 6.30832e+00 2.44707e-01 24 2008 7 9.90327e+00 3.39301e+00 100 2008 8 8.48213e+00 4.41696e+00 67 2008 9 1.78444e+01 3.39936e+00 6 2008 10 7.16900e+00 2.73128e+00 379 2008 11 3.61535e+00 8.72731e-01 98 2008 12 nan nan 0 2009 1 nan nan 0 2009 2 nan nan 0 2009 3 4.18309e+00 3.22006e-01 3 2009 4 3.79334e+00 3.15363e-01 40 2009 5 7.55876e+00 2.63599e+00 11 2009 6 1.23490e+01 4.28907e+00 116 2009 7 1.44729e+01 9.49046e+00 101 2009 8 2.00314e+01 6.34053e+00 191 2009 9 1.73584e+01 1.04518e+01 109 2009 10 3.01853e+00 4.45684e-01 66 2009 11 3.85965e+00 9.64491e-01 169 2009 12 4.11047e+00 3.75311e-01 57 2010 1 nan nan 0 2010 2 nan nan 0 2010 3 nan nan 0 2010 4 nan nan 0 2010 5 1.05592e+01 8.23388e+00 79 2010 6 8.63056e+00 3.46921e+00 25 2010 7 1.52783e+01 7.97923e+00 159 2010 8 1.79480e+01 1.00053e+01 177 2010 9 1.86284e+01 1.85585e+01 12 2010 10 5.98525e+00 5.54340e+00 270 2010 11 3.11456e+00 8.39133e-01 234 2010 12 nan nan 0 2011 1 3.53849e+00 9.99163e-01 9 2011 2 nan nan 0 2011 3 3.98621e+00 0.00000e+00 1 2011 4 3.63122e+00 0.00000e+00 2 2011 5 4.95007e+00 0.00000e+00 1 2011 6 2.06172e+01 1.69232e+01 45 2011 7 1.99413e+01 1.87054e+01 251 2011 8 nan nan 0 2011 9 nan nan 0 2011 10 1.05658e+01 6.20222e+00 18 2011 11 4.66863e+00 5.85745e-01 30 2011 12 nan nan 0 2012 1 4.29750e+00 2.53084e-01 12 2012 2 4.73806e+00 3.83118e-01 39 2012 3 nan nan 0 2012 4 4.60412e+00 6.98384e-01 34 2012 5 5.66219e+00 1.41210e+00 301 2012 6 9.06242e+00 4.22783e+00 183 2012 7 1.33597e+01 3.46599e+00 151 2012 8 1.89962e+01 1.61463e+01 121 2012 9 1.37971e+01 7.37944e+00 201 2012 10 6.46030e+00 2.58736e+00 303 2012 11 2.66841e+00 7.67130e-01 283 2012 12 3.98532e+00 5.61612e-01 73 2013 1 2.67130e+00 3.18752e-01 24 2013 2 2.63721e+00 1.68339e-01 14 2013 3 2.77635e+00 4.49973e-01 96 2013 4 3.34670e+00 5.22312e-01 126 2013 5 5.82847e+00 6.62200e-02 4 2013 6 8.50225e+00 2.19765e+00 125 2013 7 1.12934e+01 3.88762e+00 79 2013 8 2.78672e+01 2.36461e+01 15 2013 9 nan nan 0 2013 10 1.04240e+01 1.05382e+01 101 2013 11 5.62632e+00 1.49722e+00 65 2013 12 nan nan 0 2014 1 nan nan 0 2014 2 nan nan 0 2014 3 nan nan 0 2014 4 nan nan 0 2014 5 9.30194e+00 4.35029e+00 160 2014 6 7.58378e+00 2.17091e+00 137 2014 7 7.13679e+00 2.52737e+00 55 2014 8 2.41357e+01 1.57599e+01 27 2014 9 1.02624e+01 2.91032e+00 188 2014 10 4.99796e+00 9.34102e-01 101 2014 11 4.23132e+00 5.48170e-01 32 2014 12 2.72469e+00 8.79451e-01 58 2015 1 nan nan 0 2015 2 nan nan 0 2015 3 3.24163e+00 4.51266e-01 34 2015 4 3.36232e+00 6.13294e-01 43 2015 5 6.11927e+00 1.99997e+00 116 2015 6 5.52309e+00 2.21485e-01 14 2015 7 2.38187e+01 1.18891e+01 82 2015 8 nan nan 0 2015 9 1.46912e+01 5.44734e+00 159 2015 10 3.67961e+00 5.08903e-01 150 2015 11 3.35147e+00 6.53227e-01 364 2015 12 nan nan 0 2016 1 nan nan 0 2016 2 5.48275e+00 5.17013e-01 45 2016 3 3.68201e+00 4.58887e-01 23 2016 4 nan nan 0 2016 5 7.70457e+00 3.15135e+00 66 2016 6 6.99672e+00 2.10151e+00 200 2016 7 2.12170e+01 1.12950e+01 71 2016 8 1.33275e+01 9.61814e+00 203 2016 9 6.09780e+00 2.05799e+00 250 2016 10 4.13828e+00 7.77735e-01 249 2016 11 3.86283e+00 9.34006e-01 342 2016 12 nan nan 0 2017 1 3.71382e+00 6.18003e-01 29 2017 2 4.12519e+00 4.37945e-01 60 2017 3 3.48494e+00 3.48703e-01 72 2017 4 5.33832e+00 7.23768e-01 18 2017 5 nan nan 0 2017 6 9.32673e+00 5.51991e+00 43 2017 7 1.63142e+01 1.20982e+01 65 2017 8 2.16695e+01 5.81776e+00 32 2017 9 1.92430e+01 8.18898e+00 45 2017 10 1.15009e+01 8.55006e+00 120 2017 11 4.18558e+00 4.45663e-01 59 2017 12 4.06142e+00 9.97782e-02 9 2018 1 nan nan 0 2018 2 nan nan 0 2018 3 4.47679e+00 3.48337e-01 132 2018 4 3.79326e+00 3.65839e-01 13 2018 5 1.20409e+01 4.62124e+00 82 2018 6 5.81709e+00 1.27767e+00 109 2018 7 1.34837e+01 3.79695e+00 56 2018 8 1.86009e+01 6.23624e+00 122 2018 9 6.79589e+00 1.50978e+00 199 2018 10 4.44083e+00 1.03209e+00 219 2018 11 5.81831e+00 4.79493e-01 6 2018 12 3.93890e+00 7.58722e-01 74 2019 1 3.88012e+00 1.15870e+00 57 2019 2 nan nan 0 2019 3 3.47828e+00 2.68664e-01 31 2019 4 3.93281e+00 5.80001e-01 37 2019 5 nan nan 0 2019 6 8.88425e+00 2.95665e-01 3 2019 7 2.07762e+01 4.32372e+00 38 2019 8 3.17536e+01 1.50673e+01 5 2019 9 8.24485e+00 2.78958e+00 72 2019 10 5.91692e+00 1.62695e+00 283 2019 11 3.06300e+00 2.03864e-01 15 2019 12 4.58647e+00 5.22873e-01 21 2020 1 5.15496e+00 5.07850e-01 40 2020 2 4.10088e+00 1.03785e+00 181 2020 3 3.56241e+00 8.07334e-01 98 2020 4 nan nan 0 2020 5 6.96169e+00 2.18660e+00 25 2020 6 1.10736e+01 1.28723e+00 55 2020 7 1.33648e+01 7.71597e+00 391 2020 8 1.53825e+01 4.50372e+00 142 2020 9 1.53262e+01 2.79426e+00 183 2020 10 5.03578e+00 1.33101e+00 211 2020 11 4.19523e+00 8.91196e-01 432 2020 12 3.54373e+00 9.10470e-01 97 2021 1 4.41462e+00 9.43190e-01 30 2021 2 4.18152e+00 1.20243e-01 10 2021 3 3.12743e+00 1.32518e+00 249 2021 4 4.10178e+00 1.03673e+00 181 2021 5 3.80211e+00 3.65398e-01 45 2021 6 5.69344e+00 4.43667e-01 70 2021 7 7.07355e+00 2.79931e-01 3 2021 8 1.87031e+01 5.93780e+00 190 2021 9 1.35498e+01 3.58128e+00 178 2021 10 1.38568e+01 1.04510e+01 162 2021 11 6.02877e+00 2.12178e+00 295 2021 12 nan nan 0 2022 1 nan nan 0 2022 2 nan nan 0 2022 3 4.40899e+00 1.50809e+00 40 2022 4 4.61529e+00 6.68509e-01 44 2022 5 5.43666e+00 1.80727e+00 35 2022 6 7.80135e+00 3.48318e+00 92 2022 7 2.27316e+01 0.00000e+00 4 2022 8 3.32120e+01 4.28841e+00 8 2022 9 1.54937e+01 8.47461e+00 88 2022 10 1.26235e+01 9.24779e+00 179 2022 11 8.70374e+00 1.45162e+01 517 2022 12 4.45336e+00 3.75410e-01 64 2023 1 3.25368e+00 5.72364e-01 131 2023 2 3.36207e+00 4.14614e-01 45 2023 3 3.09376e+00 5.40510e-01 43 2023 4 4.03532e+00 1.70595e-01 13 2023 5 1.08898e+01 4.58683e+00 164 2023 6 7.91494e+00 2.06058e+00 132 2023 7 2.00703e+01 1.36116e+01 163 2023 8 2.90519e+01 1.81423e+01 226 2023 9 1.36691e+01 9.36203e+00 609 2023 10 8.01847e+00 4.38665e+00 313 2023 11 4.14069e+00 1.09019e+00 457 2023 12 6.26520e+00 6.92078e+00 111 2024 1 nan nan 0 2024 2 4.49326e+00 5.92988e-01 214 2024 3 4.50558e+00 2.26228e+00 161 2024 4 nan nan 0