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 2.38175e+01 9.27485e-01 64 2002 8 1.63057e+01 1.23637e+00 192 2002 9 1.32636e+01 3.97002e+00 371 2002 10 1.01868e+01 5.86916e+00 862 2002 11 1.04334e+01 4.35958e+00 581 2002 12 3.63862e+00 6.68663e+00 520 2003 1 5.81097e-01 7.77789e-01 523 2003 2 8.41390e+00 1.57341e+01 543 2003 3 1.37067e+01 2.87168e+00 115 2003 4 7.01691e+00 3.39394e+00 510 2003 5 1.52797e+01 1.82580e+01 113 2003 6 1.81140e+01 8.20087e+00 181 2003 7 9.68373e+00 5.83306e+00 201 2003 8 2.72858e+00 1.73326e+00 132 2003 9 2.65080e+00 8.21419e+00 318 2003 10 4.22990e+00 3.03422e+00 430 2003 11 6.52792e+00 3.83301e+00 786 2003 12 1.16472e+01 3.02713e+00 724 2004 1 1.17724e+01 5.42914e+00 710 2004 2 1.36855e+01 4.51629e+00 443 2004 3 1.37001e+01 6.03403e+00 551 2004 4 1.84517e+01 6.40654e+00 375 2004 5 2.54465e+01 8.55945e+00 409 2004 6 2.32100e+01 9.65951e+00 401 2004 7 2.88612e+01 8.24643e+00 74 2004 8 2.46862e+00 5.62944e-01 61 2004 9 1.67219e+01 1.41507e+01 94 2004 10 5.94983e-01 9.23735e-01 316 2004 11 2.18729e+00 1.01264e+00 682 2004 12 6.32897e+00 4.04891e+00 466 2005 1 6.35868e+00 3.39573e+00 614 2005 2 8.63172e+00 3.83300e+00 644 2005 3 1.03319e+01 4.69581e+00 259 2005 4 7.55743e+00 3.68118e+00 479 2005 5 2.16809e+01 6.93779e+00 172 2005 6 2.44040e+01 9.93646e+00 209 2005 7 2.67598e+01 2.42299e+01 220 2005 8 2.69911e+01 9.18040e+00 166 2005 9 1.63000e+01 5.24839e+00 256 2005 10 1.40977e+01 8.78508e+00 596 2005 11 1.19761e+01 5.16497e+00 706 2005 12 1.19053e+01 7.32178e+00 717 2006 1 1.77919e+01 9.81138e+00 677 2006 2 2.37037e+01 8.09480e+00 928 2006 3 2.66861e+01 5.19033e+00 914 2006 4 2.09462e+01 1.00718e+01 592 2006 5 1.95498e+01 1.03458e+01 502 2006 6 2.86462e+01 9.71699e+00 384 2006 7 1.64550e+01 7.87904e+00 148 2006 8 1.76493e+01 7.50895e+00 256 2006 9 1.10115e+01 1.06773e+01 403 2006 10 6.30815e+00 4.24276e+00 762 2006 11 9.15806e+00 4.69356e+00 542 2006 12 1.79997e+01 4.55173e+00 270 2007 1 2.01378e+01 2.79171e+00 345 2007 2 2.16515e+01 3.81314e+00 512 2007 3 1.75266e+01 7.44329e+00 621 2007 4 1.58976e+01 1.00652e+01 502 2007 5 2.78793e+01 1.16240e+01 265 2007 6 1.80521e+01 9.27844e+00 187 2007 7 2.19196e+01 6.36962e+00 123 2007 8 1.66828e+01 5.55350e+00 250 2007 9 1.04113e+01 5.75033e+00 531 2007 10 1.00008e+01 3.98808e+00 341 2007 11 1.36518e+01 3.77227e+00 720 2007 12 1.87123e+01 3.77267e+00 815 2008 1 1.26294e+01 7.75174e+00 437 2008 2 2.07216e+01 9.49898e+00 496 2008 3 2.44048e+01 1.18428e+01 549 2008 4 2.02598e+01 8.53786e+00 468 2008 5 1.39718e+01 1.15226e+01 321 2008 6 2.86859e+01 5.59635e+00 321 2008 7 2.56381e+01 1.14733e+01 279 2008 8 2.73774e+01 1.63770e+01 201 2008 9 2.15069e+01 1.30317e+01 362 2008 10 1.79449e+01 1.16932e+01 719 2008 11 1.91886e+01 6.03997e+00 1036 2008 12 2.24817e+01 5.38084e+00 773 2009 1 2.59264e+01 8.76995e+00 720 2009 2 2.69828e+01 6.49080e+00 705 2009 3 3.29715e+01 7.19001e+00 956 2009 4 1.94977e+01 6.70257e+00 294 2009 5 2.81734e+01 1.35848e+01 283 2009 6 3.91092e+01 5.56748e+00 78 2009 7 5.50487e+00 5.38913e+00 165 2009 8 1.22799e+01 3.45965e+00 200 2009 9 2.81819e+01 2.12554e+01 219 2009 10 7.52377e+00 4.04063e+00 784 2009 11 9.23644e+00 5.99850e+00 465 2009 12 1.81908e+01 6.00013e+00 320 2010 1 1.66452e+01 7.33676e+00 621 2010 2 2.02271e+01 5.79706e+00 577 2010 3 2.50115e+01 4.94128e+00 756 2010 4 8.99677e+00 3.67101e+00 504 2010 5 1.76219e+01 3.32060e+00 341 2010 6 2.06230e+01 7.31317e+00 350 2010 7 4.57818e+00 2.71603e+00 79 2010 8 8.14322e+00 2.05339e+00 128 2010 9 5.81816e+00 3.97130e+00 478 2010 10 1.02970e+01 5.61843e+00 1225 2010 11 1.34027e+01 5.16810e+00 977 2010 12 1.53511e+01 6.18564e+00 998 2011 1 2.49829e+01 8.18112e+00 571 2011 2 2.10953e+01 5.83231e+00 726 2011 3 2.85256e+01 7.21051e+00 862 2011 4 1.80561e+01 9.39489e+00 645 2011 5 2.13551e+01 7.88270e+00 414 2011 6 1.61302e+01 5.35069e+00 258 2011 7 1.74157e+01 5.22771e+00 256 2011 8 5.87968e+00 3.00093e+00 125 2011 9 7.10813e+00 3.93593e+00 175 2011 10 6.91420e+00 4.20842e+00 645 2011 11 8.31133e+00 4.85352e+00 696 2011 12 1.26693e+01 8.20758e+00 988 2012 1 1.65959e+01 6.47563e+00 654 2012 2 1.83184e+01 8.00225e+00 528 2012 3 2.12168e+01 8.58590e+00 746 2012 4 2.53823e+01 5.99220e+00 368 2012 5 3.45336e+01 8.25995e+00 353 2012 6 nan nan 0 2012 7 1.63375e+01 1.02442e+01 94 2012 8 5.89916e+00 3.21295e+00 201 2012 9 3.31098e+00 4.26774e+00 272 2012 10 9.14313e-01 7.16624e-01 471 2012 11 5.84651e+00 3.25649e+00 678 2012 12 7.57974e+00 3.28706e+00 441 2013 1 1.38561e+01 8.69920e+00 680 2013 2 1.63052e+01 4.97125e+00 624 2013 3 1.52041e+01 6.49526e+00 675 2013 4 2.40065e+01 5.87565e+00 381 2013 5 1.98460e+01 1.10799e+01 406 2013 6 2.02695e+01 6.59420e+00 284 2013 7 1.93488e+01 1.76561e+01 294 2013 8 1.33276e+01 5.96306e+00 418 2013 9 1.70978e+01 1.66076e+01 375 2013 10 1.62660e+01 1.69270e+01 608 2013 11 1.45489e+01 7.68990e+00 168 2013 12 1.22410e+01 8.43491e+00 615 2014 1 1.60733e+01 8.77918e+00 541 2014 2 1.74609e+01 4.39770e+00 582 2014 3 1.81480e+01 6.72392e+00 523 2014 4 1.71299e+01 6.24643e+00 332 2014 5 1.71427e+01 8.48938e+00 446 2014 6 3.04443e+01 7.47544e+00 295 2014 7 2.77810e+01 7.14726e+00 248 2014 8 2.47530e+01 8.35561e+00 306 2014 9 1.49364e+01 5.32831e+00 308 2014 10 3.81291e+00 2.95134e+00 922 2014 11 6.78720e+00 2.53561e+00 608 2014 12 9.96640e+00 7.92625e+00 671 2015 1 8.81714e+00 3.24284e+00 332 2015 2 1.58794e+01 6.06280e+00 685 2015 3 1.32261e+01 7.63028e+00 585 2015 4 8.67890e+00 5.43502e+00 269 2015 5 2.34914e+01 8.32181e+00 555 2015 6 3.81374e+01 1.49514e+01 255 2015 7 1.77784e+01 7.96011e+00 188 2015 8 1.39863e+01 1.73075e+01 180 2015 9 3.53085e+01 1.89796e+01 111 2015 10 1.15586e+01 1.37503e+01 576 2015 11 5.20121e+00 4.98045e+00 530 2015 12 8.90800e+00 4.98276e+00 300 2016 1 9.76859e+00 5.40368e+00 614 2016 2 1.07703e+01 4.44911e+00 880 2016 3 1.84199e+01 7.33458e+00 457 2016 4 1.64794e+01 9.86782e+00 361 2016 5 1.84901e+01 6.87218e+00 426 2016 6 3.02484e+01 4.78379e+00 103 2016 7 2.02162e+01 1.19319e+01 338 2016 8 2.42029e+01 1.48568e+01 228 2016 9 2.07317e+01 1.23336e+01 529 2016 10 1.25204e+01 1.25927e+01 389 2016 11 5.53437e+00 4.98462e+00 632 2016 12 1.40485e+01 6.35832e+00 656 2017 1 1.50013e+01 8.17017e+00 623 2017 2 2.09959e+01 6.85495e+00 1025 2017 3 2.87977e+01 7.93552e+00 765 2017 4 2.86274e+01 8.98949e+00 393 2017 5 2.42658e+01 1.02915e+01 403 2017 6 3.10175e+01 5.05812e+00 128 2017 7 1.88428e+01 1.10203e+01 256 2017 8 3.16512e+01 1.85870e+01 336 2017 9 1.03971e+01 1.64944e+01 320 2017 10 1.18584e+01 2.11347e+01 254 2017 11 5.84792e+00 6.62344e+00 716 2017 12 1.25181e+01 1.00229e+01 646 2018 1 1.40701e+01 3.83652e+00 631 2018 2 1.87662e+01 6.56835e+00 373 2018 3 2.03976e+01 7.90036e+00 899 2018 4 1.83483e+01 6.37989e+00 651 2018 5 2.53192e+01 9.41991e+00 291 2018 6 1.91984e+01 1.28685e+01 311 2018 7 2.34392e+01 1.38542e+01 142 2018 8 2.32087e+01 1.99970e+01 366 2018 9 5.81738e+00 7.02151e+00 480 2018 10 1.45837e+01 1.57402e+01 972 2018 11 1.17231e+01 6.44220e+00 407 2018 12 1.03430e+01 7.52591e+00 539 2019 1 1.30351e+01 1.40410e+01 667 2019 2 1.09384e+01 5.52470e+00 498 2019 3 1.18559e+01 7.78794e+00 664 2019 4 2.03217e+01 5.19729e+00 419 2019 5 2.30199e+01 9.73779e+00 512 2019 6 2.01837e+01 1.37597e+01 223 2019 7 2.15710e+01 1.16539e+01 342 2019 8 3.44110e+01 2.97775e+01 105 2019 9 5.97105e+00 6.22240e+00 272 2019 10 1.52733e+01 1.51461e+01 403 2019 11 9.81586e+00 8.46910e+00 386 2019 12 1.15782e+01 5.32312e+00 191 2020 1 1.14814e+01 4.88249e+00 636 2020 2 1.73740e+01 7.89287e+00 488 2020 3 1.91009e+01 7.42590e+00 662 2020 4 1.09981e+01 4.34747e+00 270 2020 5 2.23673e+01 9.16914e+00 684 2020 6 2.50977e+01 7.18418e+00 310 2020 7 2.28221e+01 3.74918e+00 69 2020 8 1.83018e+01 4.28208e+00 233 2020 9 1.26246e+01 1.14402e+01 256 2020 10 1.11853e+01 8.25242e+00 194 2020 11 6.93015e+00 7.73855e+00 586 2020 12 3.57969e+00 2.47853e+00 353 2021 1 4.70111e+00 4.75160e+00 311 2021 2 1.50965e+01 9.00510e+00 595 2021 3 2.03897e+01 5.86203e+00 559 2021 4 1.87120e+01 1.17002e+01 579 2021 5 2.39566e+01 1.04870e+01 693 2021 6 3.02331e+01 6.16154e+00 240 2021 7 1.40049e+01 1.03182e+01 116 2021 8 2.47889e+01 2.53992e+01 191 2021 9 1.30513e+01 1.71147e+01 395 2021 10 1.25217e+01 1.40471e+01 570 2021 11 5.16569e+00 4.48824e+00 425 2021 12 7.15443e+00 5.29247e+00 813 2022 1 1.48626e+01 5.34647e+00 699 2022 2 1.64262e+01 8.65121e+00 796 2022 3 1.93898e+01 8.16621e+00 653 2022 4 2.52310e+01 1.12470e+01 19 2022 5 3.01735e+01 1.04242e+01 556 2022 6 2.30775e+01 7.82319e+00 183 2022 7 2.57615e+01 3.99603e+00 193 2022 8 2.40288e+01 1.23567e+01 284 2022 9 2.14552e+01 1.34038e+01 406 2022 10 2.07651e+01 2.48992e+01 488 2022 11 1.73934e+01 1.22262e+01 474 2022 12 7.73187e+00 2.98815e+00 516 2023 1 8.54497e+00 5.51515e+00 850 2023 2 1.80854e+01 8.74408e+00 879 2023 3 2.64119e+01 8.33786e+00 745 2023 4 3.40625e+01 8.30675e+00 450 2023 5 2.79131e+01 4.34684e+00 406 2023 6 2.11490e+01 3.55040e+00 145 2023 7 2.37777e+01 4.93498e+00 204 2023 8 2.50841e+01 1.02250e+01 359 2023 9 1.93381e+01 1.33110e+01 665 2023 10 1.79789e+01 1.24334e+01 591 2023 11 1.64992e+01 7.88124e+00 722 2023 12 2.48516e+01 7.72451e+00 259 2024 1 1.23584e+01 8.63690e+00 202 2024 2 2.84128e+01 9.17716e+00 721 2024 3 1.93878e+01 6.42274e+00 424 2024 4 nan nan 0