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 8.49499e+00 7.11505e+00 57 2002 8 nan nan 0 2002 9 nan nan 0 2002 10 2.96258e+00 2.32450e+00 192 2002 11 1.60167e+00 2.14469e+00 334 2002 12 4.77687e-01 6.97962e-01 385 2003 1 4.92057e+00 4.63693e+00 521 2003 2 2.56069e+00 1.12945e+00 66 2003 3 8.06877e+00 7.61717e+00 149 2003 4 nan nan 0 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 9.27920e-01 5.84414e-01 64 2003 8 nan nan 0 2003 9 5.59701e+00 4.53974e+00 167 2003 10 4.44414e+00 3.48369e+00 329 2003 11 4.19506e-01 8.78021e-01 355 2003 12 1.28554e+00 1.97089e+00 502 2004 1 3.53624e+00 2.97311e+00 518 2004 2 4.93325e+00 4.48425e+00 322 2004 3 5.83588e+00 5.04868e+00 186 2004 4 1.22876e+01 6.72770e+00 181 2004 5 nan nan 0 2004 6 nan nan 0 2004 7 nan nan 0 2004 8 nan nan 0 2004 9 2.27545e-01 3.21000e-01 131 2004 10 2.14332e+00 2.29488e+00 146 2004 11 3.55401e+00 4.39073e+00 398 2004 12 2.88866e+00 6.22571e+00 236 2005 1 6.72322e+00 4.14678e+00 89 2005 2 5.66226e+00 5.45737e+00 372 2005 3 6.91254e+00 4.71046e+00 277 2005 4 1.27449e+01 6.64503e+00 86 2005 5 1.05134e+01 6.73827e+00 189 2005 6 nan nan 0 2005 7 nan nan 0 2005 8 nan nan 0 2005 9 7.10390e-01 7.46280e-01 128 2005 10 2.36711e-02 1.32750e-02 50 2005 11 1.90634e+00 2.95216e+00 410 2005 12 4.91447e+00 4.10183e+00 654 2006 1 5.87185e+00 5.13459e+00 228 2006 2 8.31350e+00 4.73921e+00 435 2006 3 3.05507e+00 2.63764e+00 302 2006 4 2.25131e+00 1.71897e+00 104 2006 5 3.54147e+00 2.34379e+00 142 2006 6 nan nan 0 2006 7 4.46675e-01 6.53551e-01 63 2006 8 nan nan 0 2006 9 3.72379e+00 1.65975e+00 114 2006 10 4.59305e-01 4.34448e-01 128 2006 11 3.48267e+00 4.17637e+00 264 2006 12 2.23097e+00 2.30893e+00 362 2007 1 2.83065e+00 2.95877e+00 623 2007 2 5.02497e+00 3.93706e+00 445 2007 3 2.62833e+00 3.42544e+00 70 2007 4 1.24975e+01 4.35221e+00 151 2007 5 5.96799e-01 5.24389e-01 17 2007 6 nan nan 0 2007 7 nan nan 0 2007 8 nan nan 0 2007 9 3.48841e+00 3.01299e+00 128 2007 10 1.25137e+00 1.26424e+00 63 2007 11 1.94633e+00 4.11713e+00 287 2007 12 7.74094e-01 1.03805e+00 308 2008 1 2.81295e+00 4.01206e+00 611 2008 2 4.07249e+00 3.31374e+00 192 2008 3 6.83212e+00 3.82932e+00 195 2008 4 5.37915e+00 2.39234e+00 66 2008 5 2.94783e+00 2.67376e+00 184 2008 6 nan nan 0 2008 7 1.17047e+01 2.19210e+00 54 2008 8 5.16629e+00 1.92686e+00 105 2008 9 1.60791e+00 1.46982e+00 155 2008 10 2.71073e+00 2.97252e+00 208 2008 11 2.33248e+00 3.24710e+00 423 2008 12 1.51694e+00 2.20347e+00 436 2009 1 6.43165e+00 4.40578e+00 347 2009 2 4.87475e+00 2.78834e+00 192 2009 3 1.20224e+01 7.19559e+00 220 2009 4 8.11493e+00 6.14634e+00 101 2009 5 nan nan 0 2009 6 6.60074e+00 1.84140e+00 53 2009 7 8.90645e+00 1.20013e+00 15 2009 8 4.16719e+00 3.67900e+00 110 2009 9 1.44709e+01 5.00533e+00 92 2009 10 7.87776e-03 3.57050e-03 20 2009 11 7.92137e-01 1.21276e+00 476 2009 12 3.77654e-01 9.86121e-01 421 2010 1 4.20230e+00 4.14833e+00 322 2010 2 4.17415e+00 4.36721e+00 347 2010 3 8.95001e+00 7.19520e+00 176 2010 4 6.86454e+00 2.64720e+00 58 2010 5 nan nan 0 2010 6 3.15132e+00 3.70481e+00 97 2010 7 3.83533e+00 1.05853e+00 20 2010 8 1.74671e+00 1.31500e+00 76 2010 9 1.14456e+00 8.50280e-01 63 2010 10 4.70057e-01 4.75839e-01 248 2010 11 1.75826e+00 1.94886e+00 387 2010 12 2.37771e+00 2.27907e+00 583 2011 1 5.40836e+00 3.72349e+00 309 2011 2 5.60592e+00 3.60427e+00 329 2011 3 1.12179e+01 4.95657e+00 415 2011 4 5.49404e+00 4.03749e+00 106 2011 5 9.43836e-01 8.44431e-01 116 2011 6 nan nan 0 2011 7 nan nan 0 2011 8 nan nan 0 2011 9 5.00546e+00 2.18823e+00 144 2011 10 2.08010e+00 2.05835e+00 165 2011 11 9.15452e-01 1.43901e+00 233 2011 12 4.84764e+00 5.02482e+00 446 2012 1 4.97155e+00 4.28055e+00 704 2012 2 7.44889e+00 4.19971e+00 218 2012 3 3.42211e+00 4.11492e+00 129 2012 4 9.71599e+00 7.83216e+00 123 2012 5 1.34774e+00 2.56696e-01 64 2012 6 9.43613e+00 1.57641e+00 64 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 1.41041e+00 1.37173e+00 192 2012 10 7.52849e-01 8.02002e-01 128 2012 11 2.51457e+00 4.03340e+00 453 2012 12 2.67765e+00 2.87129e+00 405 2013 1 3.26897e+00 3.51455e+00 180 2013 2 6.27380e+00 4.32512e+00 235 2013 3 9.34111e+00 5.39268e+00 106 2013 4 1.62368e+01 1.00950e+00 10 2013 5 1.85243e+00 1.17436e+00 128 2013 6 nan nan 0 2013 7 1.69009e+01 3.32166e+00 39 2013 8 nan nan 0 2013 9 6.88878e-01 9.23088e-01 134 2013 10 1.23883e+01 9.24665e+00 35 2013 11 2.97355e-01 5.70413e-01 306 2013 12 1.24669e+00 2.00831e+00 375 2014 1 1.98680e+00 1.40527e+00 272 2014 2 4.23523e+00 4.48431e+00 333 2014 3 5.40656e+00 3.62379e+00 305 2014 4 1.03235e+01 8.22048e+00 107 2014 5 1.21900e+01 3.24824e+00 64 2014 6 nan nan 0 2014 7 1.18183e+01 1.43254e+00 35 2014 8 nan nan 0 2014 9 3.65745e+00 7.54037e-01 20 2014 10 3.12529e+00 2.73357e+00 200 2014 11 3.39777e+00 2.65264e+00 374 2014 12 1.93799e+00 2.85936e+00 474 2015 1 6.68329e+00 4.88101e+00 370 2015 2 3.46100e+00 4.54955e+00 297 2015 3 9.52085e+00 7.22619e+00 302 2015 4 8.62275e+00 4.99088e+00 177 2015 5 1.39851e+01 1.23738e+00 64 2015 6 nan nan 0 2015 7 nan nan 0 2015 8 nan nan 0 2015 9 6.88591e-01 7.75147e-01 64 2015 10 8.66986e-01 1.34686e+00 205 2015 11 7.59544e-01 1.12152e+00 134 2015 12 4.42451e+00 5.11731e+00 209 2016 1 2.51372e+00 2.38387e+00 368 2016 2 7.62275e+00 5.46426e+00 218 2016 3 7.43779e+00 2.86325e+00 97 2016 4 8.44108e+00 4.52943e+00 85 2016 5 8.32632e-01 6.15729e-01 16 2016 6 nan nan 0 2016 7 nan nan 0 2016 8 2.37371e-02 2.32045e-02 24 2016 9 5.57416e+00 2.35506e+00 89 2016 10 1.70307e+00 5.28463e+00 53 2016 11 3.31998e-01 5.90417e-01 303 2016 12 4.14819e+00 3.43056e+00 442 2017 1 4.08150e+00 4.46405e+00 724 2017 2 3.84534e+00 2.24072e+00 252 2017 3 3.86683e+00 3.38840e+00 282 2017 4 7.90261e+00 7.78132e+00 127 2017 5 4.05625e+00 3.01484e+00 144 2017 6 9.28798e+00 0.00000e+00 6 2017 7 1.31825e+00 6.28138e-01 44 2017 8 3.03513e-01 6.99704e-02 64 2017 9 5.30625e-01 6.68955e-01 126 2017 10 1.18285e+00 1.27649e+00 88 2017 11 3.90100e-01 4.91601e-01 319 2017 12 3.68507e+00 6.20018e+00 325 2018 1 5.21797e+00 1.09705e+01 351 2018 2 2.31886e+00 8.89881e-01 13 2018 3 5.31724e+00 4.29470e+00 440 2018 4 1.18743e+01 1.95243e+00 192 2018 5 nan nan 0 2018 6 8.76425e-01 7.51898e-01 64 2018 7 1.61662e+01 9.84154e-01 59 2018 8 nan nan 0 2018 9 1.21998e+00 6.34839e-01 77 2018 10 2.41721e+00 2.44041e+00 264 2018 11 1.58704e+00 2.05971e+00 669 2018 12 1.03648e+00 1.15150e+00 480 2019 1 3.82245e+00 1.89319e+00 277 2019 2 5.92699e+00 3.08329e+00 207 2019 3 1.50803e+01 1.39937e+01 138 2019 4 4.46987e+00 1.97222e+00 241 2019 5 4.49291e+00 6.71615e-01 20 2019 6 7.56930e+00 8.58129e+00 28 2019 7 7.57550e-02 3.52193e-03 2 2019 8 2.55987e+00 6.81256e-01 64 2019 9 nan nan 0 2019 10 1.60641e+00 2.34180e+00 301 2019 11 2.35395e+00 3.58609e+00 572 2019 12 1.78835e+00 2.03500e+00 423 2020 1 3.01590e+00 2.17411e+00 475 2020 2 7.04027e+00 4.96523e+00 409 2020 3 5.39778e+00 5.54360e+00 227 2020 4 5.05595e+00 2.12439e+00 132 2020 5 1.20605e+01 3.40818e+00 64 2020 6 5.98234e+00 3.15361e+00 13 2020 7 nan nan 0 2020 8 2.69860e+00 2.47915e+00 49 2020 9 8.92897e-01 8.10682e-01 173 2020 10 5.75705e-01 8.30361e-01 227 2020 11 2.20269e+00 3.82106e+00 151 2020 12 4.21108e+00 4.16172e+00 576 2021 1 5.42439e+00 4.74987e+00 614 2021 2 3.42645e+00 2.84876e+00 382 2021 3 8.90651e+00 4.34477e+00 137 2021 4 6.11119e+00 1.76989e+00 66 2021 5 9.14057e+00 1.98122e+00 39 2021 6 nan nan 0 2021 7 9.35549e-01 1.34342e-01 2 2021 8 2.25134e+00 1.54226e+00 18 2021 9 5.40782e+00 3.67468e+00 92 2021 10 1.43542e+00 1.70386e+00 282 2021 11 3.30592e+00 4.18508e+00 456 2021 12 1.37608e+00 1.77371e+00 359 2022 1 5.78323e+00 4.20171e+00 789 2022 2 4.51422e+00 3.53418e+00 282 2022 3 1.08367e+01 2.00327e+00 75 2022 4 4.78523e+00 3.26741e+00 64 2022 5 8.80220e+00 2.47860e+00 64 2022 6 7.17508e+00 3.71110e+00 9 2022 7 nan nan 0 2022 8 nan nan 0 2022 9 7.67189e+00 4.77487e+00 85 2022 10 1.13691e+00 1.15027e+00 271 2022 11 9.29875e-01 7.71937e-01 347 2022 12 1.83095e+00 1.97027e+00 646 2023 1 4.48644e+00 4.20871e+00 607 2023 2 8.34034e+00 5.84882e+00 273 2023 3 7.56728e+00 7.31020e+00 628 2023 4 6.49945e+00 3.44794e+00 129 2023 5 8.24700e+00 1.96317e+00 90 2023 6 8.83732e+00 2.81941e+00 189 2023 7 nan nan 0 2023 8 7.59737e+00 1.76595e+00 64 2023 9 4.81552e+00 2.20944e+00 63 2023 10 5.87899e+00 5.61119e+00 183 2023 11 1.46643e+00 1.23151e+00 342 2023 12 5.55722e+00 4.16643e+00 574 2024 1 5.47874e+00 4.52398e+00 700 2024 2 4.60247e+00 3.84327e+00 563 2024 3 4.82455e+00 2.88910e+00 362 2024 4 1.73217e+01 1.06350e+01 83