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 1.47499e+01 2.81251e+00 183 2002 8 1.61407e+01 8.14714e+00 132 2002 9 2.08022e+01 1.14419e+01 165 2002 10 1.49333e+01 7.11074e+00 884 2002 11 1.37313e+01 9.04770e+00 518 2002 12 1.17420e+01 5.67004e+00 450 2003 1 1.95868e+01 1.16558e+01 688 2003 2 2.62892e+01 9.93307e+00 832 2003 3 3.41939e+01 9.97324e+00 515 2003 4 1.66188e+01 6.46239e+00 120 2003 5 4.44746e+01 1.03742e+01 442 2003 6 3.38278e+01 1.57174e+01 97 2003 7 4.20651e+01 5.79851e+00 41 2003 8 2.93201e+01 5.43155e+00 176 2003 9 1.67573e+01 5.49158e+00 151 2003 10 9.37555e+00 4.71235e+00 1024 2003 11 1.40272e+01 8.98400e+00 904 2003 12 1.08628e+01 9.05770e+00 499 2004 1 2.33071e+01 1.47813e+01 954 2004 2 3.97896e+01 1.17608e+01 739 2004 3 4.68989e+01 9.27019e+00 560 2004 4 4.84496e+01 1.01464e+01 442 2004 5 3.15683e+01 9.75205e+00 236 2004 6 2.50691e+01 1.20022e+01 192 2004 7 2.01829e+01 1.76211e+00 192 2004 8 2.74454e+01 6.76565e+00 411 2004 9 5.48699e+00 7.34870e-01 59 2004 10 7.05965e+00 4.14670e+00 669 2004 11 1.30039e+01 5.26694e+00 888 2004 12 1.23663e+01 6.69884e+00 414 2005 1 1.51148e+01 1.27841e+01 352 2005 2 3.27775e+01 1.16825e+01 729 2005 3 3.80957e+01 1.17431e+01 480 2005 4 4.21995e+01 1.26180e+01 279 2005 5 4.01819e+01 7.20180e+00 192 2005 6 1.91759e+01 1.34963e+00 64 2005 7 2.56943e+01 1.24287e+01 178 2005 8 2.06796e+01 7.14191e+00 176 2005 9 7.61304e+00 2.07273e+00 253 2005 10 8.73284e-01 5.27857e-01 249 2005 11 2.07571e+00 1.59705e+00 610 2005 12 6.51389e+00 4.56625e+00 938 2006 1 5.42463e+00 3.43130e+00 320 2006 2 7.99725e+00 3.66335e+00 330 2006 3 1.41933e+01 3.71889e+00 79 2006 4 2.48263e+01 6.73706e+00 257 2006 5 3.90299e+01 1.06750e+01 596 2006 6 3.60198e+01 6.47344e+00 372 2006 7 4.12581e+01 2.72639e+00 64 2006 8 2.00040e+01 7.49276e+00 186 2006 9 1.16785e+01 4.76837e+00 447 2006 10 1.31040e+01 6.93015e+00 825 2006 11 9.63160e+00 4.29255e+00 692 2006 12 1.84945e+01 4.80585e+00 347 2007 1 2.26940e+01 1.23332e+01 653 2007 2 3.80782e+01 7.47970e+00 566 2007 3 4.42161e+01 5.23479e+00 553 2007 4 4.14515e+01 8.44163e+00 212 2007 5 3.31973e+01 8.77692e+00 277 2007 6 3.26572e+01 1.41489e+01 461 2007 7 1.84089e+01 5.56801e+00 479 2007 8 1.98352e+01 3.52560e+00 489 2007 9 2.05375e+01 4.23404e+00 397 2007 10 1.08213e+01 3.58451e+00 529 2007 11 1.47310e+01 7.79919e+00 1158 2007 12 2.63136e+01 9.89513e+00 931 2008 1 3.14581e+01 1.26278e+01 531 2008 2 2.64255e+01 1.19989e+01 492 2008 3 3.73937e+01 8.72374e+00 301 2008 4 3.23243e+01 4.27945e+00 157 2008 5 5.49501e+01 3.81624e+00 197 2008 6 4.08216e+01 1.00092e+01 305 2008 7 3.05110e+01 6.39410e+00 256 2008 8 1.50007e+01 9.63801e+00 198 2008 9 1.22162e+01 5.54296e+00 359 2008 10 9.40705e+00 4.08919e+00 575 2008 11 1.16810e+01 8.30275e+00 907 2008 12 1.42891e+01 9.44631e+00 1006 2009 1 3.09774e+01 1.31322e+01 758 2009 2 3.94280e+01 1.35676e+01 729 2009 3 4.67394e+01 1.49727e+01 281 2009 4 3.78401e+01 8.85580e-01 65 2009 5 4.07852e+01 1.35005e+01 307 2009 6 3.75708e+01 4.34733e+00 136 2009 7 1.95499e+01 1.01620e+00 64 2009 8 1.99716e+01 1.21424e+01 309 2009 9 2.62619e+01 1.08736e+01 310 2009 10 1.13824e+01 4.18570e+00 770 2009 11 6.94365e+00 5.65096e+00 582 2009 12 1.62315e+01 8.22029e+00 512 2010 1 1.28795e+01 1.34030e+01 384 2010 2 2.52080e+01 1.07027e+01 208 2010 3 nan nan 0 2010 4 3.65016e+01 6.62053e+00 79 2010 5 4.09516e+01 1.28029e+01 483 2010 6 3.91660e+01 6.76811e+00 384 2010 7 3.12774e+01 9.04964e+00 249 2010 8 3.13449e+01 1.02005e+01 466 2010 9 1.88903e+01 4.75184e+00 254 2010 10 9.09703e+00 5.24255e+00 879 2010 11 9.56810e+00 5.06339e+00 678 2010 12 7.31441e+00 4.60559e+00 725 2011 1 1.61410e+01 7.50056e+00 588 2011 2 1.23914e+01 3.94857e+00 376 2011 3 3.16933e+01 8.54823e+00 331 2011 4 3.40138e+01 8.19605e+00 313 2011 5 4.76838e+01 4.02396e+00 192 2011 6 2.05153e+01 0.00000e+00 2 2011 7 2.03218e+01 4.91518e-01 10 2011 8 nan nan 0 2011 9 1.36282e+01 5.14727e+00 427 2011 10 6.26321e+00 3.25138e+00 354 2011 11 6.99649e+00 5.53744e+00 997 2011 12 1.73732e+01 6.79025e+00 895 2012 1 1.95693e+01 3.63518e+00 702 2012 2 2.54718e+01 9.96697e+00 700 2012 3 3.44930e+01 1.21007e+01 661 2012 4 3.78481e+01 4.63714e+00 384 2012 5 3.01266e+01 4.88159e+00 283 2012 6 2.86637e+01 4.42105e+00 183 2012 7 3.47100e+01 2.76705e+00 143 2012 8 3.27891e+01 5.94218e+00 291 2012 9 2.15038e+01 8.27802e+00 365 2012 10 7.13379e+00 2.08715e+00 666 2012 11 4.79034e+00 3.22551e+00 694 2012 12 1.67547e+01 6.42000e+00 296 2013 1 1.75115e+01 9.77418e+00 709 2013 2 2.86886e+01 1.14136e+01 834 2013 3 2.78256e+01 1.35182e+01 558 2013 4 4.11062e+01 3.30577e+00 483 2013 5 4.27968e+01 9.91675e+00 376 2013 6 1.93529e+01 1.07617e+00 10 2013 7 2.75802e+01 1.66780e+00 64 2013 8 4.56631e+01 7.59135e+00 287 2013 9 2.92542e+01 1.30835e+01 360 2013 10 1.28504e+01 5.90554e+00 940 2013 11 1.65395e+01 8.62168e+00 445 2013 12 2.09148e+01 7.00333e+00 634 2014 1 1.59638e+01 7.86325e+00 590 2014 2 2.75358e+01 1.08110e+01 941 2014 3 2.69135e+01 1.19925e+01 813 2014 4 3.01189e+01 7.79338e+00 510 2014 5 2.61450e+01 1.28384e+01 253 2014 6 2.93110e+01 9.23823e+00 392 2014 7 2.91220e+01 6.34121e+00 267 2014 8 3.05197e+01 1.11051e+01 364 2014 9 1.28420e+01 1.13452e+00 128 2014 10 1.68912e+01 9.30803e+00 881 2014 11 1.24086e+01 7.97696e+00 932 2014 12 2.11658e+01 1.02344e+01 896 2015 1 1.93234e+01 8.88601e+00 725 2015 2 1.93533e+01 9.65800e+00 496 2015 3 3.32097e+01 1.02377e+01 876 2015 4 3.50037e+01 5.53774e+00 494 2015 5 3.19178e+01 5.60272e+00 315 2015 6 4.18912e+01 5.53307e+00 398 2015 7 3.04245e+01 6.00522e+00 199 2015 8 2.22459e+01 6.98968e+00 320 2015 9 2.57495e+01 7.46743e+00 429 2015 10 1.67017e+01 1.46119e+01 469 2015 11 1.01858e+01 6.07426e+00 879 2015 12 1.52713e+01 6.62650e+00 576 2016 1 1.12232e+01 5.18464e+00 192 2016 2 5.30291e+00 4.20621e+00 249 2016 3 9.78210e+00 4.56503e+00 218 2016 4 2.25824e+01 1.45992e+01 576 2016 5 2.30064e+01 6.90716e+00 384 2016 6 2.39188e+01 5.95087e+00 322 2016 7 3.56463e+01 1.03659e+01 192 2016 8 2.67838e+01 9.00812e+00 323 2016 9 3.27200e+01 5.87493e+00 258 2016 10 8.78275e+00 7.12803e+00 375 2016 11 9.34106e+00 5.99344e+00 1043 2016 12 1.70624e+01 9.19107e+00 783 2017 1 3.18866e+01 1.57057e+01 581 2017 2 3.51299e+01 1.14129e+01 991 2017 3 3.67360e+01 1.15445e+01 544 2017 4 2.09216e+01 1.50328e+00 64 2017 5 3.45741e+01 1.47609e+01 453 2017 6 2.58312e+01 2.77043e+00 117 2017 7 4.34080e+01 7.69551e+00 128 2017 8 2.52361e+01 5.24680e+00 177 2017 9 8.61106e+00 1.42657e+01 400 2017 10 2.59558e+00 1.77582e+00 326 2017 11 4.22017e+00 2.98204e+00 952 2017 12 1.40243e+01 7.48814e+00 1275 2018 1 1.60600e+01 1.47148e+01 382 2018 2 3.24169e+01 1.03961e+01 806 2018 3 3.04995e+01 9.81901e+00 706 2018 4 3.40596e+01 1.15315e+01 616 2018 5 nan nan 0 2018 6 2.19642e+01 2.82462e+00 105 2018 7 2.90857e+01 8.18477e+00 314 2018 8 1.99776e+01 1.84085e+00 16 2018 9 2.69419e+01 8.25010e+00 349 2018 10 1.55337e+01 8.16373e+00 967 2018 11 2.08351e+01 9.80326e+00 734 2018 12 2.09758e+01 1.17474e+01 551 2019 1 2.07111e+01 1.27450e+01 685 2019 2 3.09489e+01 9.81843e+00 1047 2019 3 3.37767e+01 1.35830e+01 705 2019 4 3.69042e+01 8.07504e+00 610 2019 5 3.66066e+01 1.20646e+01 573 2019 6 4.37257e+01 1.04797e+01 549 2019 7 3.66915e+01 1.28650e+01 130 2019 8 2.54030e+01 8.41677e+00 208 2019 9 1.95724e+01 7.87380e+00 426 2019 10 2.08117e+01 5.51255e+00 567 2019 11 2.64472e+01 1.15091e+01 847 2019 12 1.75784e+01 6.07587e+00 692 2020 1 2.09814e+01 1.23443e+01 919 2020 2 3.03975e+01 1.32262e+01 861 2020 3 4.80316e+01 1.03517e+01 622 2020 4 3.33756e+01 9.46009e+00 320 2020 5 2.93049e+01 4.83379e+00 448 2020 6 4.33077e+01 6.74935e+00 304 2020 7 3.65519e+01 8.25482e+00 191 2020 8 3.31449e+01 9.31894e+00 298 2020 9 2.92012e+01 1.18713e+01 398 2020 10 3.01455e+01 7.84272e+00 540 2020 11 9.32316e+00 5.46890e+00 326 2020 12 1.10612e+01 6.32240e+00 918 2021 1 9.57043e+00 6.21841e+00 728 2021 2 2.13389e+01 9.34702e+00 846 2021 3 2.38236e+01 1.03218e+01 844 2021 4 3.28733e+01 7.74862e+00 576 2021 5 3.27296e+01 5.61387e+00 141 2021 6 3.66632e+01 1.30803e+01 176 2021 7 2.72071e+01 9.58482e+00 354 2021 8 2.09001e+01 7.28208e+00 164 2021 9 1.84599e+01 9.67566e+00 401 2021 10 2.12801e+01 6.12015e+00 508 2021 11 9.72301e+00 8.78518e+00 572 2021 12 1.75988e+01 6.23980e+00 1070 2022 1 1.88662e+01 1.21530e+01 385 2022 2 3.77434e+01 9.20275e+00 664 2022 3 2.88194e+01 9.47409e+00 551 2022 4 4.13054e+01 4.21695e+00 192 2022 5 3.41648e+01 1.02923e+01 383 2022 6 2.89466e+01 4.51007e+00 289 2022 7 1.77658e+01 7.90969e+00 249 2022 8 2.40656e+01 1.10564e+01 168 2022 9 2.39549e+01 1.09557e+01 373 2022 10 3.80555e+00 4.09137e+00 780 2022 11 9.99706e+00 6.11508e+00 796 2022 12 1.57540e+01 4.64942e+00 870 2023 1 2.07255e+01 1.20532e+01 1092 2023 2 3.12350e+01 6.97005e+00 825 2023 3 3.62171e+01 9.84572e+00 775 2023 4 2.54925e+01 1.04754e+01 384 2023 5 3.18623e+01 1.32201e+01 608 2023 6 3.75136e+01 6.19832e+00 375 2023 7 2.71799e+01 8.45789e+00 265 2023 8 2.26658e+01 1.04630e+01 178 2023 9 2.72279e+01 8.32880e+00 426 2023 10 8.94354e+00 6.21108e+00 611 2023 11 1.17990e+01 8.17326e+00 852 2023 12 1.54796e+01 1.29883e+01 404 2024 1 nan nan 0 2024 2 3.35663e+01 1.24269e+01 699 2024 3 2.66983e+01 1.33317e+01 501 2024 4 1.49850e+01 1.61477e+00 64