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 1.29672e+01 7.39799e+00 118 2002 8 2.09448e+01 6.25945e+00 417 2002 9 1.17547e+01 5.10818e+00 357 2002 10 1.21969e+01 6.61414e+00 755 2002 11 8.46956e+00 5.76700e+00 786 2002 12 1.04023e+01 7.23660e+00 620 2003 1 5.77674e+00 3.73465e+00 938 2003 2 1.18078e+01 6.17561e+00 512 2003 3 1.48391e-01 4.89119e-01 195 2003 4 1.06861e+00 2.00799e+00 169 2003 5 8.47232e+00 1.71233e+01 196 2003 6 2.20204e+01 2.50606e+01 204 2003 7 4.28575e+00 3.16701e+00 174 2003 8 1.66204e+01 2.40781e+01 316 2003 9 1.60030e+01 9.65773e+00 490 2003 10 1.53393e+01 1.45657e+01 889 2003 11 1.01290e+01 6.09640e+00 1060 2003 12 9.68611e+00 7.00653e+00 896 2004 1 9.00511e+00 5.61567e+00 735 2004 2 1.07831e+01 5.48170e+00 384 2004 3 5.90256e+00 6.46691e+00 752 2004 4 8.44517e+00 5.15026e+00 579 2004 5 1.64204e+01 7.50215e+00 566 2004 6 2.17302e+01 6.11750e+00 399 2004 7 1.41445e+01 8.61114e+00 448 2004 8 1.51151e+01 1.20394e+01 470 2004 9 4.95333e+00 6.56595e+00 288 2004 10 8.20881e+00 9.96691e+00 178 2004 11 1.15759e-01 2.48070e-01 235 2004 12 1.86119e+00 3.21813e+00 432 2005 1 2.20205e+00 2.12445e+00 765 2005 2 2.14745e+00 2.44956e+00 612 2005 3 5.84645e+00 5.70605e+00 453 2005 4 1.34122e+01 2.43631e+01 514 2005 5 1.00829e+01 1.25355e+01 246 2005 6 1.03380e+01 1.23376e+01 448 2005 7 2.53413e+00 4.41995e+00 255 2005 8 2.48029e+00 2.03495e+00 357 2005 9 7.99910e+00 5.61789e+00 375 2005 10 1.16794e+01 1.04605e+01 927 2005 11 1.02463e+01 5.38101e+00 1020 2005 12 7.52169e+00 6.29461e+00 1052 2006 1 6.05033e+00 8.41868e+00 549 2006 2 1.10393e+00 2.00661e+00 570 2006 3 3.60573e+00 7.53859e+00 1046 2006 4 4.76315e+00 4.25567e+00 281 2006 5 1.04715e+01 6.58354e+00 485 2006 6 2.10883e+01 1.01857e+01 387 2006 7 1.01234e+01 5.89222e+00 270 2006 8 1.51010e+01 5.10984e+00 320 2006 9 1.32226e+01 4.89737e+00 576 2006 10 1.61411e+01 7.97038e+00 885 2006 11 1.31266e+01 9.70712e+00 879 2006 12 2.17712e+01 4.90938e+00 452 2007 1 1.39857e+01 7.04460e+00 384 2007 2 1.96370e+01 9.58615e+00 704 2007 3 1.51994e+01 7.36499e+00 1195 2007 4 1.49532e+01 6.99864e+00 480 2007 5 2.35049e+01 4.90654e+00 131 2007 6 1.93155e+01 5.93627e+00 388 2007 7 2.06801e+01 8.80680e+00 448 2007 8 1.36205e+01 5.78104e+00 537 2007 9 1.21505e+01 3.94379e+00 420 2007 10 1.85840e+01 8.53316e+00 669 2007 11 2.00756e+01 9.83603e+00 1194 2007 12 2.19771e+01 1.15322e+01 766 2008 1 1.79553e+01 1.19687e+01 634 2008 2 1.16668e+01 7.06077e+00 864 2008 3 7.11256e+00 1.08352e+01 759 2008 4 1.61330e+01 2.21967e+01 562 2008 5 5.71616e+00 4.95846e+00 512 2008 6 1.24368e+01 9.45993e+00 367 2008 7 1.50903e+01 8.21266e+00 509 2008 8 1.62088e+01 6.18188e+00 256 2008 9 6.06627e+00 8.42267e+00 501 2008 10 7.62612e+00 5.49927e+00 894 2008 11 1.32845e+01 7.30904e+00 1013 2008 12 6.00723e+00 5.50262e+00 960 2009 1 1.00100e+01 1.09262e+01 640 2009 2 9.07048e+00 6.62103e+00 1024 2009 3 1.50518e+01 8.27261e+00 956 2009 4 6.48759e+00 6.64853e+00 522 2009 5 4.80947e+00 5.18067e+00 287 2009 6 1.12284e+01 5.37246e+00 97 2009 7 6.53222e+00 3.20611e+00 192 2009 8 1.47651e+01 1.40620e+01 531 2009 9 1.30035e+01 1.04955e+01 740 2009 10 1.28301e+01 4.50449e+00 811 2009 11 1.14536e+01 8.70592e+00 643 2009 12 1.12098e+01 9.21322e+00 192 2010 1 5.41633e+00 3.35084e+00 927 2010 2 1.25090e+00 1.75233e+00 708 2010 3 6.12271e-01 6.55956e-01 910 2010 4 2.17366e+00 2.38105e+00 249 2010 5 1.06786e+01 1.18306e+01 519 2010 6 1.36783e+01 8.51804e+00 558 2010 7 7.60204e+00 5.79371e+00 345 2010 8 1.47606e+01 3.51122e+00 162 2010 9 1.34856e+01 1.21036e+01 484 2010 10 1.35298e+01 6.09465e+00 1408 2010 11 1.30123e+01 4.93614e+00 1071 2010 12 1.24157e+01 1.01880e+01 909 2011 1 1.65471e+01 1.18814e+01 701 2011 2 1.83313e+01 6.98395e+00 768 2011 3 1.50814e+01 7.62533e+00 815 2011 4 1.39090e+01 6.66458e+00 896 2011 5 1.45005e+01 7.86226e+00 739 2011 6 1.53893e+01 6.73628e+00 256 2011 7 1.74581e+01 3.74110e+00 364 2011 8 2.05560e+01 7.91984e+00 616 2011 9 1.63394e+01 8.89184e+00 740 2011 10 1.56557e+01 9.82219e+00 975 2011 11 2.05890e+01 9.63184e+00 1150 2011 12 2.17920e+01 9.18168e+00 1088 2012 1 1.92538e+01 1.19854e+01 1009 2012 2 1.22946e+01 7.91371e+00 306 2012 3 1.81526e+01 9.32595e+00 879 2012 4 2.25134e+01 9.66554e+00 857 2012 5 2.31684e+01 7.82466e+00 347 2012 6 1.57253e+01 2.34349e+00 69 2012 7 4.13590e+00 2.39198e+00 215 2012 8 4.71303e+00 8.84138e+00 335 2012 9 2.91643e+00 4.41664e+00 419 2012 10 6.11848e+00 1.40741e+01 615 2012 11 7.28828e+00 5.08369e+00 1027 2012 12 5.24209e+00 4.37078e+00 641 2013 1 1.31321e+01 1.00326e+01 753 2013 2 8.66510e+00 6.44376e+00 630 2013 3 9.86306e+00 6.36867e+00 640 2013 4 7.64766e+00 1.23190e+01 530 2013 5 1.10847e+01 8.32580e+00 433 2013 6 2.50121e+01 2.71697e+01 573 2013 7 5.87120e-01 6.75090e-01 64 2013 8 1.08632e+00 3.45093e+00 158 2013 9 3.73094e+00 6.74777e+00 695 2013 10 1.20720e+01 1.66934e+01 942 2013 11 7.30549e+00 5.50033e+00 405 2013 12 1.07483e+01 7.79330e+00 703 2014 1 8.64284e+00 7.11140e+00 448 2014 2 6.38026e+00 5.00639e+00 632 2014 3 3.19450e+00 2.42903e+00 574 2014 4 2.04298e+00 3.12762e+00 325 2014 5 5.02645e-02 6.22616e-02 128 2014 6 4.32717e+00 7.96893e+00 326 2014 7 6.68232e+00 8.61762e+00 632 2014 8 1.15563e+01 5.33129e+00 333 2014 9 1.35348e+01 6.82266e+00 299 2014 10 8.77387e+00 7.87551e+00 1339 2014 11 1.01826e+01 5.62583e+00 1102 2014 12 1.62090e+01 1.02271e+01 599 2015 1 1.29943e+01 9.11707e+00 832 2015 2 1.31630e+01 6.09194e+00 768 2015 3 5.16742e+00 5.90646e+00 416 2015 4 9.21375e+00 6.72483e+00 149 2015 5 1.23041e+01 1.27395e+01 530 2015 6 1.67597e+01 9.39865e+00 359 2015 7 1.71114e+01 1.26740e+01 192 2015 8 5.75177e+00 4.80208e+00 406 2015 9 7.70519e+00 6.49304e+00 190 2015 10 9.02516e+00 4.44962e+00 732 2015 11 5.30009e+00 5.54711e+00 705 2015 12 1.01087e+01 7.60574e+00 448 2016 1 6.59599e+00 5.37085e+00 546 2016 2 7.26008e+00 7.53545e+00 1240 2016 3 6.32461e+00 4.55343e+00 750 2016 4 1.11408e+01 1.17037e+01 384 2016 5 8.96251e+00 7.18967e+00 703 2016 6 1.32631e+01 5.50369e+00 642 2016 7 1.07163e+01 6.06045e+00 1022 2016 8 8.35504e+00 5.22899e+00 644 2016 9 5.97740e+00 7.43494e+00 836 2016 10 1.23906e+01 1.08556e+01 1059 2016 11 1.83547e+01 6.68309e+00 960 2016 12 1.51794e+01 7.90301e+00 871 2017 1 1.33643e+01 1.05160e+01 684 2017 2 1.06252e+01 6.53976e+00 1070 2017 3 1.37209e+01 1.06059e+01 1036 2017 4 1.53192e+01 6.23634e+00 703 2017 5 1.21087e+01 4.51573e+00 532 2017 6 1.99413e+01 8.23896e+00 345 2017 7 1.74876e+01 1.40520e+01 108 2017 8 7.24650e+00 5.60090e+00 532 2017 9 8.29252e+00 6.56747e+00 517 2017 10 2.76857e+00 8.08525e+00 243 2017 11 9.41350e+00 7.29965e+00 1246 2017 12 1.28020e+01 6.18551e+00 687 2018 1 1.30520e+01 5.94359e+00 640 2018 2 1.14586e+01 7.25970e+00 635 2018 3 1.05895e+01 7.47043e+00 804 2018 4 1.13418e+01 6.60718e+00 608 2018 5 1.36188e+01 7.83111e+00 424 2018 6 1.19508e+01 5.30627e+00 320 2018 7 1.33851e+01 1.46239e+01 266 2018 8 3.78988e+00 5.07634e+00 144 2018 9 1.45290e+01 1.38949e+01 735 2018 10 6.84954e+00 8.96487e+00 1034 2018 11 2.58572e+00 2.34469e+00 189 2018 12 6.59592e+00 1.08654e+01 779 2019 1 4.48681e-01 6.53307e-01 611 2019 2 6.16625e-02 1.86051e-01 196 2019 3 6.22901e+00 1.27735e+01 702 2019 4 2.86671e+00 1.79286e+00 421 2019 5 8.60738e+00 4.70036e+00 743 2019 6 1.25480e+01 8.33191e+00 147 2019 7 1.51332e+01 7.59195e+00 320 2019 8 7.09457e+00 7.66775e+00 380 2019 9 1.07046e+01 7.02639e+00 646 2019 10 6.92578e+00 5.16551e+00 586 2019 11 1.21838e+01 6.71697e+00 887 2019 12 9.23948e+00 6.99882e+00 642 2020 1 1.42682e+01 8.15182e+00 715 2020 2 9.43389e+00 6.58174e+00 543 2020 3 1.15532e+01 1.10521e+01 692 2020 4 4.51175e+00 5.11758e+00 429 2020 5 1.01200e+01 6.62115e+00 781 2020 6 8.90920e+00 4.51231e+00 508 2020 7 8.68318e+00 1.01663e+01 254 2020 8 3.39570e+00 3.21181e+00 250 2020 9 2.59440e+00 1.88973e+00 319 2020 10 4.03583e+00 5.47237e+00 880 2020 11 2.66360e+00 3.32030e+00 964 2020 12 8.43458e+00 6.33403e+00 681 2021 1 3.36109e+00 6.69224e+00 441 2021 2 2.13992e+00 2.26549e+00 487 2021 3 2.14153e+00 3.75295e+00 486 2021 4 1.74014e+00 2.56404e+00 522 2021 5 6.31194e+00 8.77063e+00 625 2021 6 1.19856e+01 1.18866e+01 268 2021 7 1.46270e+01 2.59444e+00 64 2021 8 1.62830e+01 3.07322e+01 128 2021 9 1.84571e+01 2.67754e+01 348 2021 10 6.15847e+00 9.11647e+00 638 2021 11 3.93757e+00 5.98437e+00 960 2021 12 6.28710e+00 9.79142e+00 662 2022 1 3.21074e+00 2.14573e+00 706 2022 2 9.58057e+00 7.50672e+00 1024 2022 3 6.33507e+00 5.29364e+00 771 2022 4 9.84324e-04 2.78167e-03 26 2022 5 5.75103e+00 4.84282e+00 316 2022 6 1.03944e+01 3.75564e+00 354 2022 7 1.97678e+01 1.53713e+01 235 2022 8 1.57348e+01 1.60681e+01 444 2022 9 9.85165e+00 6.38005e+00 294 2022 10 1.34791e+01 5.33429e+00 1206 2022 11 1.18173e+01 6.09781e+00 517 2022 12 1.08266e+01 8.72633e+00 907 2023 1 1.56599e+01 6.15456e+00 874 2023 2 1.77060e+01 6.68964e+00 612 2023 3 1.01926e+01 7.79069e+00 830 2023 4 1.48251e+01 1.33848e+01 384 2023 5 1.43884e+01 1.03319e+01 340 2023 6 2.12663e+01 4.21830e+00 161 2023 7 1.65798e+01 1.24457e+01 419 2023 8 2.38348e+01 2.17061e+01 465 2023 9 8.40481e+00 1.10056e+01 593 2023 10 1.47825e+01 1.44547e+01 491 2023 11 1.24661e+01 9.06094e+00 703 2023 12 5.10121e+00 5.00906e+00 334 2024 1 6.65515e-01 1.37364e+00 587 2024 2 4.72157e+00 5.34753e+00 642 2024 3 8.65997e+00 1.23150e+01 423 2024 4 nan nan 0