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 1.17115e+00 7.88400e-02 58 2002 8 1.36077e+00 1.11698e-01 90 2002 9 1.64106e+00 2.12863e-01 87 2002 10 2.47844e+00 6.79681e-01 440 2002 11 2.12218e+00 2.65543e-01 360 2002 12 2.59293e+00 7.36819e-01 412 2003 1 3.40883e+00 8.16044e-01 704 2003 2 1.44149e+00 1.40635e-01 690 2003 3 9.92183e-01 9.65356e-02 309 2003 4 9.59695e-01 1.18741e-02 26 2003 5 8.60307e-01 5.67979e-02 115 2003 6 7.28611e-01 1.90094e-02 14 2003 7 nan nan 0 2003 8 1.17125e+00 7.62765e-02 14 2003 9 1.78490e+00 3.19932e-01 114 2003 10 2.34728e+00 5.82739e-01 157 2003 11 2.54470e+00 4.10630e-01 469 2003 12 2.20386e+00 2.18931e-01 319 2004 1 2.19664e+00 3.53458e-01 90 2004 2 nan nan 0 2004 3 9.90778e-01 3.39402e-02 65 2004 4 7.45132e-01 3.28306e-02 128 2004 5 1.38389e+00 1.78580e-01 290 2004 6 1.46052e+00 2.41082e-01 227 2004 7 1.08128e+00 2.77956e-01 71 2004 8 1.36570e+00 3.00497e-01 74 2004 9 2.27177e+00 2.99399e-01 47 2004 10 2.18461e+00 5.04731e-01 308 2004 11 2.05056e+00 1.84309e-01 334 2004 12 2.54341e+00 7.79053e-01 214 2005 1 3.62957e+00 6.36740e-01 965 2005 2 2.21398e+00 7.10114e-01 538 2005 3 1.00517e+00 2.76437e-01 158 2005 4 1.02094e+00 1.64159e-02 64 2005 5 8.50105e-01 2.09453e-01 140 2005 6 7.87591e-01 5.16943e-01 12 2005 7 1.09500e+00 3.23540e-02 53 2005 8 1.31436e+00 4.77695e-01 34 2005 9 nan nan 0 2005 10 8.29878e-01 4.87678e-01 7 2005 11 2.41476e+00 3.31603e-01 447 2005 12 3.10330e+00 7.05392e-01 631 2006 1 1.99940e+00 1.52920e-01 477 2006 2 2.17214e+00 3.49052e-01 448 2006 3 1.60541e+00 1.37914e-01 542 2006 4 9.28170e-01 1.66711e-01 109 2006 5 9.70829e-01 3.91093e-02 77 2006 6 1.05935e+00 1.03943e-01 129 2006 7 9.92549e-01 1.39033e-01 67 2006 8 5.83533e-01 5.03019e-01 32 2006 9 2.57323e+00 3.60047e-01 5 2006 10 1.56754e+00 9.88175e-02 4 2006 11 2.40633e+00 4.15775e-01 385 2006 12 2.39060e+00 8.56841e-01 299 2007 1 2.51691e+00 2.92047e-01 715 2007 2 1.86670e+00 1.43505e-01 43 2007 3 1.30733e+00 2.26901e-01 107 2007 4 7.51608e-01 1.79945e-02 64 2007 5 9.13675e-01 1.16015e-01 171 2007 6 1.32748e+00 3.21080e-02 13 2007 7 8.11363e-01 1.32539e-01 6 2007 8 6.26718e-01 2.41877e-01 16 2007 9 1.70277e+00 3.55849e-01 51 2007 10 2.11063e+00 6.02889e-01 263 2007 11 2.30720e+00 4.24813e-01 476 2007 12 2.25997e+00 5.61739e-01 727 2008 1 2.33513e+00 4.72271e-01 424 2008 2 1.37436e+00 6.83343e-02 20 2008 3 nan nan 0 2008 4 7.18832e-01 1.09704e-01 22 2008 5 6.60463e-01 5.84768e-02 171 2008 6 5.85158e-01 1.09518e-01 66 2008 7 1.77423e+00 3.05011e-01 122 2008 8 8.61074e-01 8.19218e-02 74 2008 9 2.14936e+00 4.86053e-02 3 2008 10 1.39925e+00 8.10127e-02 36 2008 11 2.79017e+00 3.18273e-01 611 2008 12 2.67042e+00 5.15642e-01 845 2009 1 2.29708e+00 4.26071e-01 512 2009 2 1.45807e+00 0.00000e+00 1 2009 3 6.65143e-01 2.49107e-01 40 2009 4 7.41175e-01 1.95264e-02 63 2009 5 9.24772e-01 2.11339e-02 64 2009 6 7.99722e-01 6.72184e-02 86 2009 7 1.65369e+00 2.53334e-01 13 2009 8 9.95946e-01 2.88304e-01 33 2009 9 1.30450e+00 6.75849e-02 9 2009 10 1.48951e+00 6.28977e-02 63 2009 11 2.43823e+00 1.93631e-01 277 2009 12 2.05715e+00 5.92323e-01 397 2010 1 2.41240e+00 3.16265e-01 192 2010 2 nan nan 0 2010 3 nan nan 0 2010 4 1.53331e+00 1.63801e-01 197 2010 5 8.98430e-01 3.93856e-01 58 2010 6 2.91916e-01 3.03485e-02 12 2010 7 9.08538e-01 6.25583e-02 44 2010 8 6.63277e-01 1.21327e-01 72 2010 9 1.13924e+00 1.61945e-01 25 2010 10 1.77367e+00 6.92335e-01 178 2010 11 2.53615e+00 4.58353e-01 654 2010 12 2.16309e+00 8.07436e-02 366 2011 1 nan nan 0 2011 2 1.11959e+00 0.00000e+00 1 2011 3 6.79284e-01 8.32314e-02 73 2011 4 6.60470e-01 1.07362e-01 196 2011 5 7.87063e-01 3.21926e-02 320 2011 6 1.02195e+00 2.74143e-02 64 2011 7 1.02826e+00 8.59113e-02 63 2011 8 1.01380e+00 4.10549e-02 64 2011 9 8.73726e-01 4.07687e-02 3 2011 10 1.58174e+00 2.30559e-01 212 2011 11 1.95994e+00 1.84200e-01 253 2011 12 2.04356e+00 2.12445e-01 870 2012 1 1.71865e+00 2.83820e-01 329 2012 2 2.01620e+00 1.59234e-01 490 2012 3 1.83708e+00 3.79836e-01 389 2012 4 1.63455e+00 2.61898e-01 244 2012 5 4.25429e-01 0.00000e+00 1 2012 6 1.77781e+00 8.67961e-02 65 2012 7 1.59748e+00 1.06612e-01 54 2012 8 1.63036e+00 3.76987e-03 9 2012 9 1.14886e+00 4.22498e-03 10 2012 10 2.05252e+00 2.70882e-01 122 2012 11 2.32310e+00 3.14466e-01 730 2012 12 2.55865e+00 2.80084e-01 559 2013 1 2.00804e+00 2.96991e-01 450 2013 2 1.78133e+00 3.26930e-01 579 2013 3 1.45292e+00 1.65525e-01 30 2013 4 9.94426e-01 5.64978e-02 38 2013 5 2.40533e-01 3.32305e-01 19 2013 6 nan nan 0 2013 7 7.50157e-01 2.68849e-01 57 2013 8 1.34478e+00 1.99558e-01 6 2013 9 1.72098e+00 2.07375e-01 208 2013 10 1.88100e+00 3.79352e-01 326 2013 11 2.41112e+00 2.37411e-01 488 2013 12 2.53638e+00 6.26240e-01 625 2014 1 2.17595e+00 1.46881e-01 438 2014 2 1.55195e+00 2.49105e-01 378 2014 3 9.73953e-01 1.06603e-03 4 2014 4 9.42648e-01 6.87258e-03 8 2014 5 2.03783e+00 7.71275e-01 52 2014 6 1.12783e+00 1.04607e-01 10 2014 7 9.07373e-01 3.04978e-01 32 2014 8 1.35815e+00 1.98760e-01 131 2014 9 1.12729e+00 8.25231e-02 216 2014 10 1.06419e+00 9.73514e-02 45 2014 11 2.28688e+00 2.64198e-01 204 2014 12 2.07883e+00 2.33049e-01 955 2015 1 2.15949e+00 3.76554e-01 391 2015 2 2.05769e+00 2.36562e-01 494 2015 3 1.05550e+00 1.65225e-01 96 2015 4 6.50784e-01 3.09840e-01 98 2015 5 7.52695e-01 6.38043e-03 22 2015 6 1.92272e+00 6.91638e-01 182 2015 7 2.45213e+00 5.12061e-01 340 2015 8 1.44263e+00 7.10807e-02 34 2015 9 1.77391e+00 4.88243e-02 26 2015 10 1.94441e+00 2.59581e-01 92 2015 11 1.65483e+00 4.99259e-01 197 2015 12 2.84734e+00 2.12770e+00 485 2016 1 1.81570e+00 3.64034e-01 38 2016 2 1.98327e+00 2.49978e-01 298 2016 3 1.35550e+00 3.03549e-01 136 2016 4 8.34957e-01 1.99723e-01 149 2016 5 2.45310e+00 1.00523e+00 183 2016 6 2.18735e+00 6.49744e-01 117 2016 7 1.12061e+00 6.01514e-03 3 2016 8 1.14908e+00 8.24941e-02 68 2016 9 2.11335e+00 6.08815e-01 157 2016 10 2.38056e+00 4.52313e-01 804 2016 11 2.75084e+00 3.41640e-01 1102 2016 12 2.39946e+00 4.50466e-01 448 2017 1 1.61124e+00 3.02291e-01 408 2017 2 1.65691e+00 3.33422e-01 192 2017 3 1.87758e+00 7.11237e-02 3 2017 4 9.36461e-01 2.65833e-01 94 2017 5 1.96466e+00 7.76496e-02 64 2017 6 8.98577e-01 1.47866e-02 10 2017 7 1.03088e+00 5.57498e-02 53 2017 8 2.01187e+00 7.21435e-01 311 2017 9 1.92362e+00 9.44297e-01 165 2017 10 2.76453e+00 6.27887e-01 179 2017 11 2.66442e+00 3.48439e-01 1064 2017 12 2.01986e+00 4.43430e-01 846 2018 1 2.17621e+00 1.93108e-01 316 2018 2 1.54363e+00 3.55035e-01 595 2018 3 1.05989e+00 8.47206e-02 97 2018 4 8.17331e-01 4.13778e-02 135 2018 5 5.70288e-01 2.93116e-01 95 2018 6 7.03818e-01 1.35921e-02 28 2018 7 8.55465e-01 2.04236e-01 195 2018 8 3.37729e+00 6.78957e-01 152 2018 9 1.99126e+00 3.85324e-01 228 2018 10 2.36805e+00 3.90527e-01 627 2018 11 2.28601e+00 2.68722e-01 130 2018 12 2.32313e+00 3.70207e-01 353 2019 1 2.15616e+00 3.37085e-01 237 2019 2 1.64090e+00 2.98151e-01 683 2019 3 2.04864e+00 1.06077e+00 393 2019 4 3.37212e+00 7.29543e-01 483 2019 5 1.75725e+00 5.55985e-01 136 2019 6 2.22766e+00 4.97149e-01 361 2019 7 2.02157e+00 5.26727e-01 176 2019 8 8.28038e-01 2.79397e-03 4 2019 9 2.03623e+00 2.83302e-01 49 2019 10 1.18539e+00 6.84965e-01 101 2019 11 2.04254e+00 2.37644e-01 290 2019 12 2.82198e+00 3.54033e-01 202 2020 1 2.33688e+00 5.20216e-01 583 2020 2 1.69945e+00 2.51968e-01 205 2020 3 1.85239e+00 4.82032e-01 141 2020 4 1.03502e+00 1.13879e-01 233 2020 5 1.29957e+00 5.38814e-01 298 2020 6 1.88559e+00 6.35716e-01 109 2020 7 1.49040e+00 4.10433e-01 189 2020 8 2.27633e+00 1.75168e+00 131 2020 9 1.74228e+00 8.27459e-01 291 2020 10 2.20838e+00 2.16251e-01 350 2020 11 2.93026e+00 1.09554e+00 474 2020 12 2.84469e+00 6.16567e-01 581 2021 1 2.21237e+00 6.89095e-01 656 2021 2 1.55895e+00 2.17535e-01 181 2021 3 2.40577e+00 8.70666e-01 780 2021 4 1.76187e+00 3.05775e-01 292 2021 5 1.84298e+00 1.99169e-01 387 2021 6 3.31876e+00 1.35660e+00 236 2021 7 2.99759e+00 6.22517e-01 355 2021 8 1.85915e+00 2.15878e-01 348 2021 9 2.08901e+00 4.99793e-01 279 2021 10 1.70490e+00 2.67200e-01 334 2021 11 3.09805e+00 6.72249e-01 415 2021 12 2.96275e+00 1.07044e+00 807 2022 1 2.02664e+00 2.73987e-01 273 2022 2 2.05046e+00 1.93541e-01 460 2022 3 1.81266e+00 2.24398e-01 101 2022 4 8.03430e-01 5.63694e-01 11 2022 5 1.26865e+00 3.08800e-01 32 2022 6 2.34894e+00 3.35610e-01 7 2022 7 7.66143e-01 3.79458e-01 32 2022 8 7.54966e-01 2.28919e-01 8 2022 9 9.32739e-01 4.00394e-02 63 2022 10 2.35674e+00 2.95624e-01 318 2022 11 2.42734e+00 6.28337e-01 544 2022 12 2.97272e+00 7.06621e-01 827 2023 1 2.27490e+00 3.46955e-01 704 2023 2 2.06185e+00 2.81790e-01 942 2023 3 1.69002e+00 2.37444e-01 354 2023 4 1.25028e+00 2.49597e-01 82 2023 5 nan nan 0 2023 6 1.17225e+00 3.61370e-01 11 2023 7 1.39566e+00 2.75833e-01 139 2023 8 1.75206e+00 9.47740e-02 56 2023 9 8.42819e-01 7.54427e-03 4 2023 10 1.99944e+00 3.37450e-01 66 2023 11 1.77406e+00 2.99285e-01 94 2023 12 2.07105e+00 3.97535e-01 229 2024 1 1.85148e+00 1.29458e-01 230 2024 2 1.47055e+00 2.10421e-01 117 2024 3 6.60458e-01 1.20023e-02 64 2024 4 nan nan 0