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 1.58548e+01 5.40035e+00 116 2002 8 1.07700e+01 5.99707e+00 80 2002 9 1.09213e+01 2.13991e+00 122 2002 10 1.09920e+01 7.49073e+00 373 2002 11 7.66977e+00 5.16065e+00 828 2002 12 1.14085e+01 5.93183e+00 649 2003 1 1.20467e+01 6.72750e+00 739 2003 2 1.33353e+01 5.68887e+00 584 2003 3 1.45859e+01 5.50370e+00 471 2003 4 6.92957e+00 4.36466e-01 53 2003 5 2.15713e+01 6.55122e+00 64 2003 6 nan nan 0 2003 7 1.47167e+01 1.41484e+00 34 2003 8 1.10625e+01 3.77144e+00 160 2003 9 9.06696e+00 2.91708e+00 194 2003 10 7.61614e+00 4.27768e+00 509 2003 11 1.52391e-01 2.69699e-01 347 2003 12 6.43741e+00 4.89485e+00 596 2004 1 4.79005e+00 4.73102e+00 819 2004 2 1.18238e+01 5.46297e+00 703 2004 3 1.23229e+01 7.44541e+00 419 2004 4 1.03547e+01 7.35886e+00 557 2004 5 6.79950e+00 5.83961e+00 93 2004 6 1.19450e+01 1.73238e+00 62 2004 7 1.84575e+01 1.13596e+00 32 2004 8 1.06332e+01 1.24301e+00 84 2004 9 6.78124e+00 3.46607e+00 63 2004 10 4.43843e+00 3.56284e+00 416 2004 11 4.67048e+00 4.39767e+00 431 2004 12 4.95995e+00 3.40022e+00 634 2005 1 9.39966e-01 1.37644e+00 235 2005 2 2.25308e+00 4.86369e+00 605 2005 3 1.33749e+01 4.08121e+00 521 2005 4 9.85363e+00 2.30536e+00 78 2005 5 7.72829e+00 8.60799e+00 171 2005 6 nan nan 0 2005 7 5.84500e+00 6.38052e-01 83 2005 8 8.74647e+00 5.19346e+00 74 2005 9 4.48008e+00 2.27629e+00 163 2005 10 6.96372e+00 6.35210e+00 307 2005 11 6.34875e+00 4.32106e+00 317 2005 12 8.20992e+00 4.81866e+00 781 2006 1 6.83913e+00 5.74112e+00 332 2006 2 1.16443e+01 5.69895e+00 720 2006 3 8.53561e+00 5.99123e+00 663 2006 4 9.02599e+00 4.19394e+00 192 2006 5 9.29605e+00 1.55303e-01 28 2006 6 1.66622e+01 2.28049e+00 64 2006 7 1.61344e+01 3.89262e+00 134 2006 8 nan nan 0 2006 9 5.38355e+00 3.52882e+00 388 2006 10 9.49308e+00 5.42109e+00 369 2006 11 8.54539e+00 5.13160e+00 768 2006 12 1.05879e+01 4.73796e+00 651 2007 1 1.15801e+01 5.69292e+00 785 2007 2 1.21989e+01 6.68628e+00 789 2007 3 1.47104e+01 6.25248e+00 148 2007 4 1.70008e+01 7.28421e+00 200 2007 5 8.38641e+00 2.33503e+00 71 2007 6 4.82335e+00 8.72054e-01 60 2007 7 8.44703e+00 1.51055e+00 229 2007 8 1.08558e+01 2.19712e+00 75 2007 9 6.00913e+00 1.28345e+00 160 2007 10 4.48811e+00 1.27067e+00 197 2007 11 1.52819e-01 3.19793e-01 191 2007 12 2.45459e+00 3.01429e+00 662 2008 1 9.70498e+00 5.09116e+00 786 2008 2 1.75840e+01 6.88115e+00 562 2008 3 1.56632e+01 4.22275e+00 212 2008 4 1.17894e+01 4.93960e+00 330 2008 5 1.36599e+01 4.45812e+00 163 2008 6 1.55758e+01 4.75928e+00 99 2008 7 1.21438e+01 3.38162e+00 313 2008 8 1.38211e+01 4.44022e+00 182 2008 9 4.06922e+00 8.07261e-01 152 2008 10 6.35964e+00 2.54394e+00 582 2008 11 7.12556e+00 4.77395e+00 897 2008 12 4.07422e+00 4.26824e+00 505 2009 1 1.00478e+01 6.67206e+00 859 2009 2 1.42105e+01 7.69512e+00 368 2009 3 7.16961e+00 8.17905e+00 316 2009 4 1.17317e+01 5.83840e+00 547 2009 5 5.27081e+00 4.27494e+00 188 2009 6 nan nan 0 2009 7 1.17347e+01 3.68374e+00 232 2009 8 1.50325e+01 4.67479e+00 149 2009 9 1.33237e+01 4.48092e+00 286 2009 10 8.54558e+00 5.36021e+00 506 2009 11 4.38601e+00 3.21086e+00 705 2009 12 7.77342e+00 6.57612e+00 533 2010 1 4.37546e+00 3.95220e+00 641 2010 2 1.23923e+01 5.53588e+00 432 2010 3 1.62195e+01 5.68798e+00 477 2010 4 1.29782e+01 5.13116e+00 85 2010 5 8.31056e-01 4.35269e-01 64 2010 6 1.37490e+01 3.06547e+00 161 2010 7 nan nan 0 2010 8 5.77097e+00 4.01278e+00 75 2010 9 6.75941e+00 1.71345e+00 161 2010 10 3.10727e+00 3.00475e+00 571 2010 11 5.92922e+00 3.79406e+00 208 2010 12 5.06927e+00 4.62600e+00 499 2011 1 4.42412e+00 3.04670e+00 665 2011 2 4.68927e+00 3.53879e+00 549 2011 3 5.32176e+00 3.16397e+00 689 2011 4 1.34892e+01 7.45422e+00 363 2011 5 1.64519e+00 1.81058e+00 142 2011 6 5.33519e+00 2.32792e+00 108 2011 7 1.24635e+01 5.79463e+00 88 2011 8 8.09197e+00 4.44052e+00 125 2011 9 4.41199e+00 4.67148e+00 263 2011 10 5.60861e+00 5.69861e+00 559 2011 11 7.60083e-01 2.03641e+00 424 2011 12 3.87497e+00 3.71671e+00 591 2012 1 7.29020e+00 5.80454e+00 507 2012 2 1.52797e+00 1.65707e+00 718 2012 3 1.35318e+01 8.89790e+00 335 2012 4 1.54783e+00 1.36111e+00 185 2012 5 2.65579e+00 2.72512e+00 110 2012 6 1.82613e+01 1.45773e+00 64 2012 7 1.10791e+01 2.42174e+00 64 2012 8 1.66520e+01 1.98914e+00 56 2012 9 9.82041e+00 4.65702e+00 311 2012 10 7.14152e+00 5.95652e+00 160 2012 11 1.87803e+00 1.70569e+00 531 2012 12 7.07133e+00 4.06524e+00 587 2013 1 7.12313e+00 5.23547e+00 454 2013 2 1.25512e+01 6.26588e+00 653 2013 3 8.67328e+00 8.82960e+00 325 2013 4 1.51566e+01 4.26646e+00 337 2013 5 2.92663e+00 1.24627e+00 62 2013 6 nan nan 0 2013 7 9.00543e+00 1.10745e+01 92 2013 8 1.17150e+01 2.77863e+00 128 2013 9 3.05338e+00 1.54321e+00 135 2013 10 1.13662e+01 4.30129e+00 183 2013 11 4.23088e+00 5.56439e+00 625 2013 12 7.07090e+00 3.86251e+00 496 2014 1 9.52178e+00 4.42351e+00 760 2014 2 1.03649e+01 5.93177e+00 694 2014 3 1.05041e+01 6.78153e+00 607 2014 4 1.35422e+01 8.16104e+00 299 2014 5 1.47293e+01 2.79237e+00 77 2014 6 1.41402e+01 7.55118e-01 55 2014 7 8.70750e+00 2.10020e+00 34 2014 8 2.08031e+01 4.69350e+00 64 2014 9 1.16857e+01 5.03576e+00 190 2014 10 4.55317e+00 4.15323e+00 527 2014 11 7.78965e+00 4.44090e+00 665 2014 12 5.01501e+00 3.89974e+00 607 2015 1 1.15661e+01 4.31982e+00 399 2015 2 8.46447e+00 5.22964e+00 476 2015 3 8.84770e+00 5.61964e+00 549 2015 4 1.88588e+01 4.76017e+00 434 2015 5 1.47600e+01 6.09449e+00 103 2015 6 nan nan 0 2015 7 1.26793e+01 3.12585e+00 64 2015 8 1.17569e+01 3.50764e+00 335 2015 9 8.37513e+00 5.57894e+00 321 2015 10 8.31419e+00 5.64084e+00 485 2015 11 5.30798e+00 3.95251e+00 501 2015 12 6.57835e+00 4.12372e+00 449 2016 1 7.64535e+00 5.14361e+00 598 2016 2 1.18353e+01 6.67678e+00 808 2016 3 7.85518e+00 3.49681e+00 178 2016 4 1.46410e+01 5.83440e+00 347 2016 5 1.58872e+01 3.98469e+00 126 2016 6 1.54375e+01 3.79376e+00 126 2016 7 1.60556e+01 1.64078e+00 24 2016 8 1.02206e+01 5.85860e+00 188 2016 9 1.30664e+01 4.18079e+00 288 2016 10 2.84872e+00 3.99718e+00 383 2016 11 1.62595e+00 1.82128e+00 229 2016 12 7.67611e+00 5.12324e+00 428 2017 1 5.34785e+00 4.67723e+00 606 2017 2 6.88067e+00 5.36645e+00 621 2017 3 9.80494e+00 4.31834e+00 476 2017 4 8.35977e+00 9.28464e+00 298 2017 5 1.03994e+01 3.87385e+00 315 2017 6 1.66624e+01 6.58447e+00 218 2017 7 1.20889e+01 6.22283e+00 115 2017 8 4.95986e+00 5.59920e-01 64 2017 9 5.30926e+00 1.70891e+00 100 2017 10 5.01891e+00 5.60934e+00 167 2017 11 4.90834e+00 2.81133e+00 556 2017 12 5.94441e+00 4.47752e+00 515 2018 1 6.74470e+00 4.24892e+00 269 2018 2 4.52346e+00 3.12324e+00 636 2018 3 8.47341e+00 5.99777e+00 247 2018 4 7.65690e+00 5.19633e+00 284 2018 5 2.32465e+01 6.45406e+00 101 2018 6 1.03988e+01 2.71705e+00 128 2018 7 1.65827e+01 1.66184e+00 126 2018 8 1.61736e+01 5.32358e+00 105 2018 9 9.27116e+00 3.33333e+00 397 2018 10 8.58268e+00 4.94648e+00 587 2018 11 6.66967e+00 4.27802e+00 773 2018 12 8.72760e+00 3.67652e+00 871 2019 1 1.19776e+01 3.76896e+00 649 2019 2 1.38078e+01 6.65398e+00 522 2019 3 1.66122e+01 6.27323e+00 711 2019 4 1.49735e+01 2.91770e+00 431 2019 5 2.02681e+01 7.67587e-01 38 2019 6 1.28511e+01 5.69679e+00 169 2019 7 1.76956e+01 3.76668e+00 191 2019 8 1.64962e+01 5.22895e+00 301 2019 9 8.66977e-01 1.10637e+00 64 2019 10 7.21959e+00 5.19601e+00 599 2019 11 7.25788e+00 4.72396e+00 938 2019 12 6.70798e+00 5.35933e+00 687 2020 1 5.77905e+00 3.57899e+00 575 2020 2 1.61206e+01 5.43795e+00 592 2020 3 5.04738e+00 2.85060e+00 252 2020 4 1.58939e+01 6.31215e+00 554 2020 5 1.87868e+01 5.45698e+00 275 2020 6 1.47929e+01 5.07635e+00 275 2020 7 1.52642e+01 3.34390e+00 77 2020 8 1.66767e+01 1.78791e+00 197 2020 9 7.82223e+00 4.29030e+00 171 2020 10 5.25790e+00 5.79922e+00 384 2020 11 9.67810e+00 5.03421e+00 445 2020 12 9.22907e+00 3.74054e+00 891 2021 1 1.16119e+01 4.39264e+00 726 2021 2 1.18334e+01 8.32645e+00 557 2021 3 1.26979e+01 6.33633e+00 642 2021 4 1.78397e+01 5.14658e+00 177 2021 5 1.47965e+01 4.32679e+00 139 2021 6 nan nan 0 2021 7 9.46617e+00 4.81056e+00 121 2021 8 8.38760e+00 1.53705e+00 122 2021 9 3.44175e+00 3.07933e+00 215 2021 10 7.03860e+00 4.61462e+00 245 2021 11 6.48048e+00 3.66460e+00 753 2021 12 7.99326e+00 3.01587e+00 492 2022 1 1.37250e+01 5.51157e+00 1209 2022 2 7.14657e+00 7.04606e+00 667 2022 3 1.03096e+01 7.62529e+00 329 2022 4 1.44193e+01 2.35304e+00 77 2022 5 1.35549e+01 6.94439e+00 248 2022 6 2.02069e+01 3.42180e+00 192 2022 7 1.69848e+01 2.66899e+00 68 2022 8 2.20910e+01 4.03970e+00 35 2022 9 6.56727e+00 5.56113e+00 179 2022 10 5.66269e+00 1.69966e+00 403 2022 11 6.38894e+00 4.58308e+00 741 2022 12 4.58970e+00 4.02243e+00 974 2023 1 6.06994e+00 4.72503e+00 753 2023 2 1.29728e+01 6.63482e+00 401 2023 3 1.78943e+01 6.01194e+00 601 2023 4 1.29331e+01 7.17195e+00 333 2023 5 1.30475e+01 6.19217e+00 106 2023 6 1.50379e+01 7.40210e+00 179 2023 7 nan nan 0 2023 8 1.12842e+01 3.22867e+00 138 2023 9 6.26074e+00 7.71376e+00 334 2023 10 1.08828e+01 6.12619e+00 208 2023 11 1.03614e+01 4.74393e+00 517 2023 12 1.11673e+01 6.33730e+00 627 2024 1 1.25080e+01 5.79217e+00 662 2024 2 5.64341e+00 4.91730e+00 622 2024 3 1.36767e+01 8.61264e+00 340 2024 4 nan nan 0