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 5.74557e+00 1.21491e+00 559 2002 8 5.52565e+00 1.40033e+00 690 2002 9 5.35373e+00 8.66825e-01 733 2002 10 5.19890e+00 8.74766e-01 663 2002 11 3.96609e+00 1.27027e+00 284 2002 12 5.40744e+00 3.85477e-01 512 2003 1 5.42108e+00 4.66791e-01 525 2003 2 4.75139e+00 4.38020e-01 387 2003 3 5.60337e+00 1.31912e+00 740 2003 4 3.31018e+00 1.41329e+00 597 2003 5 5.10887e+00 1.91272e+00 320 2003 6 6.45530e+00 1.83312e+00 448 2003 7 6.89406e+00 9.04130e-01 896 2003 8 6.73707e+00 8.54130e-01 576 2003 9 6.23411e+00 1.19405e+00 896 2003 10 4.71153e+00 1.60949e+00 697 2003 11 4.63482e+00 1.53344e+00 599 2003 12 4.72042e+00 9.92266e-01 666 2004 1 5.10550e+00 4.31219e-01 461 2004 2 5.89178e+00 5.52159e-01 1056 2004 3 4.45960e+00 1.49611e+00 605 2004 4 2.87763e+00 9.08262e-01 415 2004 5 5.41272e+00 1.73729e+00 335 2004 6 6.60566e+00 4.47245e-01 425 2004 7 7.91084e+00 1.16482e+00 163 2004 8 6.84364e+00 7.18234e-01 829 2004 9 6.36735e+00 9.22843e-01 832 2004 10 5.54906e+00 1.04696e+00 693 2004 11 4.88363e+00 4.96780e-01 724 2004 12 4.78945e+00 6.13376e-01 260 2005 1 3.50732e+00 1.05219e+00 403 2005 2 4.91793e+00 6.17427e-01 576 2005 3 4.62213e+00 9.68769e-01 839 2005 4 4.56751e+00 7.63160e-01 829 2005 5 3.49172e+00 5.74949e-01 437 2005 6 5.95598e+00 1.56530e+00 640 2005 7 5.85421e+00 9.25249e-01 532 2005 8 6.48635e+00 6.80220e-01 780 2005 9 5.69469e+00 9.37356e-01 1008 2005 10 4.14431e+00 1.07845e+00 445 2005 11 4.11217e+00 1.04921e+00 576 2005 12 4.78355e+00 4.16409e-01 512 2006 1 5.17593e+00 9.85578e-01 778 2006 2 4.93998e+00 7.71277e-01 657 2006 3 5.33937e+00 9.31002e-01 840 2006 4 3.50624e+00 1.64725e+00 540 2006 5 4.29106e+00 1.32882e+00 273 2006 6 5.18201e+00 4.17799e-01 320 2006 7 6.02771e+00 6.85950e-01 256 2006 8 5.57127e+00 1.36430e+00 907 2006 9 6.11376e+00 1.59798e+00 878 2006 10 5.33692e+00 9.10281e-01 731 2006 11 5.49765e+00 1.01281e+00 336 2006 12 4.83923e+00 6.67951e-01 384 2007 1 5.38467e+00 4.94638e-01 554 2007 2 5.91265e+00 1.01884e+00 841 2007 3 5.26697e+00 1.00372e+00 811 2007 4 2.28193e+00 1.11169e+00 403 2007 5 3.97918e+00 5.06810e-01 640 2007 6 6.70263e+00 5.35470e-01 372 2007 7 7.61841e+00 8.95917e-01 452 2007 8 6.19780e+00 1.03153e+00 534 2007 9 6.02404e+00 9.85967e-01 1015 2007 10 4.50999e+00 1.28788e+00 576 2007 11 4.92540e+00 6.35598e-01 606 2007 12 5.59513e+00 3.14264e-01 256 2008 1 6.00924e+00 8.01756e-01 580 2008 2 5.54596e+00 4.19846e-01 469 2008 3 4.16772e+00 1.50857e+00 641 2008 4 4.12197e+00 2.13815e+00 690 2008 5 4.51710e+00 1.77674e+00 649 2008 6 6.14007e+00 7.78415e-01 717 2008 7 6.67313e+00 7.46253e-01 633 2008 8 5.25650e+00 1.65737e+00 1109 2008 9 5.46808e+00 1.33908e+00 960 2008 10 4.34104e+00 5.73299e-01 768 2008 11 4.40111e+00 1.25238e+00 482 2008 12 5.26686e+00 5.77107e-01 512 2009 1 6.35199e+00 8.41586e-01 851 2009 2 6.78123e+00 3.92094e-01 547 2009 3 6.31577e+00 9.20789e-01 832 2009 4 2.44856e+00 1.57027e+00 726 2009 5 4.57362e+00 1.69957e+00 398 2009 6 6.55961e+00 1.16562e+00 196 2009 7 5.30380e+00 1.11116e+00 785 2009 8 7.03810e+00 7.36459e-01 640 2009 9 4.88462e+00 1.57709e+00 915 2009 10 5.24412e+00 1.10652e+00 606 2009 11 4.11029e+00 1.34800e+00 576 2009 12 5.07534e+00 1.19266e+00 464 2010 1 5.65559e+00 6.50127e-01 896 2010 2 5.63258e+00 6.69933e-01 531 2010 3 2.97859e+00 7.95606e-01 576 2010 4 3.13116e+00 1.02457e+00 577 2010 5 6.26865e+00 1.21675e+00 893 2010 6 7.09978e+00 1.15463e+00 564 2010 7 7.13963e+00 6.33709e-01 835 2010 8 5.98234e+00 8.22154e-01 833 2010 9 5.53627e+00 1.12510e+00 908 2010 10 3.57525e+00 1.08022e+00 820 2010 11 4.02739e+00 4.39472e-01 621 2010 12 4.36085e+00 1.05698e+00 357 2011 1 4.49969e+00 7.31901e-01 524 2011 2 5.30543e+00 5.83036e-01 646 2011 3 5.25117e+00 1.17919e+00 864 2011 4 5.31935e+00 1.33338e+00 374 2011 5 5.59289e+00 1.60465e+00 381 2011 6 5.84474e+00 6.83613e-01 371 2011 7 6.91227e+00 1.02528e+00 809 2011 8 7.01971e+00 1.30720e+00 839 2011 9 5.60381e+00 1.18795e+00 638 2011 10 4.31593e+00 1.20330e+00 686 2011 11 4.16579e+00 1.41017e+00 792 2011 12 4.75149e+00 8.96126e-01 384 2012 1 6.21078e+00 6.03133e-01 512 2012 2 5.67117e+00 1.18156e+00 720 2012 3 3.81133e+00 1.49371e+00 806 2012 4 5.15493e+00 2.20694e+00 1047 2012 5 5.37775e+00 1.38592e+00 262 2012 6 5.07541e+00 1.69520e+00 559 2012 7 6.21552e+00 6.81270e-01 857 2012 8 5.38786e+00 9.77081e-01 738 2012 9 5.26542e+00 1.51494e+00 1023 2012 10 4.68670e+00 5.94156e-01 506 2012 11 4.73752e+00 5.99721e-01 478 2012 12 3.99385e+00 7.82630e-01 399 2013 1 5.05379e+00 4.17873e-01 576 2013 2 4.17534e+00 1.27460e+00 575 2013 3 5.08649e+00 1.02848e+00 491 2013 4 5.98916e+00 1.02525e+00 1009 2013 5 5.11648e+00 2.02838e+00 267 2013 6 4.95165e+00 6.54821e-01 395 2013 7 6.40956e+00 1.07613e+00 448 2013 8 5.57745e+00 1.18771e+00 668 2013 9 4.38119e+00 1.01236e+00 1190 2013 10 4.35811e+00 6.29394e-01 703 2013 11 3.73494e+00 8.56221e-01 832 2013 12 5.64508e+00 7.56932e-01 192 2014 1 5.37824e+00 9.41706e-01 512 2014 2 5.45240e+00 6.84566e-01 523 2014 3 6.41872e+00 8.72351e-01 608 2014 4 3.80715e+00 1.26722e+00 638 2014 5 5.59822e+00 1.30605e+00 532 2014 6 6.36713e+00 8.84335e-01 704 2014 7 6.96080e+00 6.61644e-01 640 2014 8 6.12810e+00 6.11381e-01 983 2014 9 5.69699e+00 1.15658e+00 1069 2014 10 5.42017e+00 1.20239e+00 779 2014 11 4.98667e+00 5.07033e-01 460 2014 12 5.33438e+00 9.16875e-01 192 2015 1 4.89378e+00 8.29546e-01 481 2015 2 4.11195e+00 1.42697e+00 388 2015 3 5.84497e+00 7.88603e-01 896 2015 4 7.46082e+00 1.37514e+00 784 2015 5 5.44454e+00 1.27452e+00 512 2015 6 6.91146e+00 1.70953e+00 483 2015 7 6.32559e+00 7.10865e-01 593 2015 8 7.17330e+00 7.43002e-01 916 2015 9 6.12606e+00 1.07354e+00 920 2015 10 4.05654e+00 1.07603e+00 768 2015 11 3.94230e+00 6.32844e-01 876 2015 12 4.21820e+00 8.29170e-01 384 2016 1 4.11297e+00 6.64616e-01 392 2016 2 4.48874e+00 3.79871e-01 557 2016 3 5.16516e+00 1.51320e+00 521 2016 4 4.69485e+00 9.28188e-01 683 2016 5 4.19066e+00 1.74290e+00 381 2016 6 6.46242e+00 7.94755e-01 576 2016 7 6.99445e+00 8.31950e-01 643 2016 8 6.19098e+00 1.14897e+00 1167 2016 9 4.48231e+00 1.11980e+00 828 2016 10 5.46085e+00 1.21637e+00 714 2016 11 3.93983e+00 7.37338e-01 774 2016 12 4.53861e+00 1.05018e+00 613 2017 1 5.26154e+00 1.16715e+00 620 2017 2 5.22325e+00 5.33001e-01 637 2017 3 4.68811e+00 8.28808e-01 775 2017 4 4.87490e+00 1.54700e+00 448 2017 5 2.98700e+00 1.10304e+00 315 2017 6 5.91437e+00 1.31614e+00 659 2017 7 7.48678e+00 9.29996e-01 704 2017 8 5.52484e+00 1.58523e+00 927 2017 9 5.42663e+00 1.23794e+00 755 2017 10 3.70447e+00 1.01318e+00 1002 2017 11 4.09148e+00 1.06421e+00 683 2017 12 5.59561e+00 8.57929e-01 196 2018 1 5.34174e+00 9.19495e-01 760 2018 2 5.29242e+00 8.61347e-01 512 2018 3 3.77502e+00 1.07279e+00 478 2018 4 5.30925e+00 1.70728e+00 709 2018 5 5.02895e+00 1.25967e+00 441 2018 6 5.85478e+00 1.01470e+00 650 2018 7 6.28605e+00 9.91432e-01 869 2018 8 5.82916e+00 1.19505e+00 838 2018 9 5.68848e+00 1.02349e+00 576 2018 10 4.81092e+00 6.16366e-01 762 2018 11 4.61850e+00 7.54670e-01 393 2018 12 5.07365e+00 4.73065e-01 505 2019 1 5.22691e+00 9.67756e-01 677 2019 2 6.28844e+00 6.86408e-01 512 2019 3 7.67825e+00 5.45875e-01 1002 2019 4 6.01927e+00 2.52428e+00 614 2019 5 4.84477e+00 1.43000e+00 311 2019 6 6.01860e+00 7.15582e-01 511 2019 7 5.93380e+00 1.28752e+00 832 2019 8 5.60663e+00 8.62649e-01 713 2019 9 4.60545e+00 9.32011e-01 894 2019 10 3.35822e+00 9.98636e-01 448 2019 11 3.98348e+00 8.84911e-01 832 2019 12 5.33993e+00 9.06844e-01 506 2020 1 5.10856e+00 1.14240e+00 956 2020 2 4.85902e+00 1.16053e+00 635 2020 3 4.03836e+00 8.50179e-01 832 2020 4 4.21384e+00 1.48038e+00 500 2020 5 5.56646e+00 1.43892e+00 668 2020 6 5.73874e+00 6.86771e-01 587 2020 7 6.48282e+00 9.38263e-01 720 2020 8 5.03104e+00 6.52858e-01 364 2020 9 6.12837e+00 1.20795e+00 496 2020 10 5.67753e+00 1.92372e+00 590 2020 11 3.41362e+00 9.79484e-01 571 2020 12 3.12840e+00 7.06770e-01 419 2021 1 3.83152e+00 1.19433e+00 510 2021 2 4.45427e+00 8.72601e-01 577 2021 3 4.44654e+00 9.72713e-01 914 2021 4 5.32927e+00 1.23466e+00 801 2021 5 4.86669e+00 1.04350e+00 717 2021 6 6.55619e+00 1.47575e+00 761 2021 7 5.89798e+00 1.94920e+00 386 2021 8 6.53696e+00 1.82453e+00 320 2021 9 5.06210e+00 1.84653e+00 770 2021 10 3.25285e+00 1.24671e+00 512 2021 11 3.01946e+00 1.08899e+00 771 2021 12 4.68325e+00 1.46271e+00 314 2022 1 4.89425e+00 8.76187e-01 430 2022 2 6.50087e+00 6.34992e-01 609 2022 3 5.68997e+00 1.21947e+00 894 2022 4 3.94520e+00 1.24848e+00 296 2022 5 4.82553e+00 1.88730e+00 424 2022 6 7.04527e+00 5.23526e-01 768 2022 7 7.21222e+00 5.80918e-01 840 2022 8 6.20329e+00 1.94717e+00 1009 2022 9 4.80939e+00 8.40228e-01 896 2022 10 3.92221e+00 9.73083e-01 896 2022 11 4.72555e+00 1.00323e+00 928 2022 12 5.30164e+00 9.52571e-01 492 2023 1 4.89507e+00 1.25950e+00 320 2023 2 5.88101e+00 1.60273e+00 320 2023 3 6.73174e+00 1.05905e+00 710 2023 4 5.18509e+00 1.39852e+00 590 2023 5 3.93556e+00 1.52435e+00 737 2023 6 4.89919e+00 1.32390e+00 564 2023 7 3.84027e+00 1.16200e+00 768 2023 8 4.26842e+00 6.21186e-01 640 2023 9 4.68890e+00 1.47177e+00 651 2023 10 4.13316e+00 1.45459e+00 964 2023 11 2.49476e+00 8.35488e-01 526 2023 12 3.62247e+00 8.14118e-01 279 2024 1 3.79125e+00 9.62147e-01 640 2024 2 4.17644e+00 8.24999e-01 704 2024 3 5.07899e+00 1.06225e+00 777 2024 4 nan nan 0