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 5.01214e+00 6.65633e+00 442 2002 8 1.17924e+01 5.96750e+00 317 2002 9 2.81035e+00 3.06002e+00 599 2002 10 1.11023e+00 1.67434e+00 751 2002 11 1.61069e+00 2.02717e+00 506 2002 12 1.00162e+00 1.17345e+00 512 2003 1 3.14302e+00 2.89595e+00 695 2003 2 1.37067e+00 1.95515e+00 585 2003 3 7.49014e+00 5.81894e+00 646 2003 4 6.79298e+00 5.22089e+00 315 2003 5 6.78601e+00 4.09740e+00 447 2003 6 6.92953e+00 1.05083e+01 342 2003 7 8.52663e+00 7.76154e+00 695 2003 8 1.28951e+01 6.57910e+00 730 2003 9 9.73123e+00 6.77727e+00 679 2003 10 4.86439e+00 8.40998e+00 384 2003 11 1.40650e+00 2.73413e+00 609 2003 12 1.90385e+00 5.08001e+00 702 2004 1 2.40829e+00 3.90604e+00 703 2004 2 3.31964e+00 4.33372e+00 939 2004 3 6.52215e-01 8.36860e-01 616 2004 4 3.06639e+00 3.39970e+00 334 2004 5 6.90915e+00 5.93315e+00 411 2004 6 7.76451e+00 5.61017e+00 366 2004 7 1.38087e+01 5.50145e+00 220 2004 8 1.02374e+01 4.57985e+00 474 2004 9 8.48707e+00 8.60942e+00 960 2004 10 1.13362e+00 1.60799e+00 566 2004 11 5.86115e-01 1.31528e+00 704 2004 12 3.03979e+00 2.72164e+00 435 2005 1 1.83988e-01 2.37595e-01 273 2005 2 1.78081e+00 1.78536e+00 430 2005 3 3.45501e+00 3.67976e+00 911 2005 4 5.16529e+00 4.92039e+00 851 2005 5 4.79286e+00 4.23808e+00 384 2005 6 5.11205e+00 7.11238e+00 447 2005 7 2.94428e+00 3.30026e+00 440 2005 8 8.87076e+00 3.84628e+00 576 2005 9 6.87311e+00 6.63913e+00 1032 2005 10 4.39787e+00 4.65466e+00 357 2005 11 2.33885e+00 3.70932e+00 525 2005 12 1.27795e+00 1.43658e+00 600 2006 1 1.05198e+00 1.71661e+00 668 2006 2 1.67612e+00 2.67742e+00 707 2006 3 3.60945e+00 3.28320e+00 911 2006 4 8.42542e+00 7.47999e+00 653 2006 5 5.77845e+00 3.58466e+00 441 2006 6 5.74821e+00 5.98652e+00 357 2006 7 1.16801e+01 3.24184e+00 468 2006 8 1.02588e+01 6.44395e+00 804 2006 9 6.21128e+00 7.19143e+00 667 2006 10 5.87734e+00 4.93681e+00 873 2006 11 1.25625e+00 9.42275e-01 448 2006 12 9.90052e-01 1.00751e+00 576 2007 1 7.01292e-01 8.79358e-01 573 2007 2 3.76521e+00 4.48056e+00 891 2007 3 1.68642e+00 1.74768e+00 823 2007 4 3.69765e+00 1.82674e+00 345 2007 5 5.82763e+00 4.15986e+00 631 2007 6 5.68092e+00 4.14239e+00 381 2007 7 8.59040e+00 7.81793e+00 490 2007 8 3.20100e+00 4.45999e+00 576 2007 9 8.77724e+00 8.39063e+00 800 2007 10 1.93010e+00 3.34795e+00 567 2007 11 4.53448e-01 5.06528e-01 416 2007 12 2.75292e+00 2.33191e+00 320 2008 1 4.92035e-01 5.37844e-01 381 2008 2 4.23173e+00 3.79596e+00 708 2008 3 1.97979e+00 2.49436e+00 815 2008 4 5.40238e+00 4.98870e+00 590 2008 5 6.29706e+00 5.70386e+00 453 2008 6 1.02160e+01 8.08028e+00 528 2008 7 1.20769e+01 4.72523e+00 496 2008 8 8.44867e+00 7.08793e+00 673 2008 9 8.53661e+00 8.66714e+00 557 2008 10 1.19301e+00 2.01081e+00 745 2008 11 1.66682e+00 1.49733e+00 323 2008 12 3.00438e+00 2.16350e+00 512 2009 1 5.27207e+00 5.47943e+00 766 2009 2 6.49139e+00 2.89501e+00 629 2009 3 1.36465e+00 1.63799e+00 690 2009 4 8.65803e+00 8.44271e+00 693 2009 5 7.25909e+00 5.42204e+00 330 2009 6 1.24962e+01 7.48283e+00 262 2009 7 1.03696e+01 9.93892e+00 525 2009 8 9.57228e+00 5.96809e+00 608 2009 9 3.43674e+00 4.33277e+00 699 2009 10 2.10864e+00 2.60846e+00 517 2009 11 9.22598e-01 4.86479e-01 395 2009 12 8.16864e-01 1.01724e+00 648 2010 1 6.86523e-01 8.91033e-01 692 2010 2 1.16402e+00 9.34542e-01 576 2010 3 1.27584e+00 8.48339e-01 687 2010 4 3.03429e+00 2.76915e+00 574 2010 5 4.19371e+00 3.97629e+00 751 2010 6 6.90756e+00 6.10774e+00 467 2010 7 1.14033e+01 6.68327e+00 581 2010 8 3.37721e+00 3.40632e+00 517 2010 9 6.71836e+00 6.79211e+00 750 2010 10 1.71729e+00 2.46210e+00 648 2010 11 6.01512e-01 7.00824e-01 344 2010 12 3.49185e+00 3.82578e+00 762 2011 1 1.59280e-01 2.64213e-01 514 2011 2 7.39227e-01 1.31337e+00 526 2011 3 1.82976e+00 2.73814e+00 776 2011 4 5.78953e+00 6.18755e+00 369 2011 5 3.01758e+00 4.49357e+00 315 2011 6 2.82324e+00 4.04629e+00 275 2011 7 1.13073e+01 7.49164e+00 695 2011 8 1.26739e+01 1.13089e+01 580 2011 9 6.38474e+00 6.84404e+00 649 2011 10 2.71601e+00 2.99105e+00 396 2011 11 4.53995e-01 4.86489e-01 505 2011 12 1.31914e+00 1.53628e+00 458 2012 1 5.45916e+00 2.85266e+00 1032 2012 2 2.91681e+00 3.81708e+00 659 2012 3 6.85035e+00 7.34544e+00 765 2012 4 8.64522e+00 7.94840e+00 633 2012 5 6.58391e+00 4.04305e+00 437 2012 6 7.13522e+00 5.97621e+00 705 2012 7 5.38436e+00 5.46955e+00 430 2012 8 1.06490e+01 6.24661e+00 644 2012 9 6.81985e+00 5.85570e+00 826 2012 10 4.67864e+00 5.71617e+00 602 2012 11 1.17148e+00 1.64052e+00 596 2012 12 6.15771e-01 7.11404e-01 408 2013 1 9.93200e-01 1.38290e+00 591 2013 2 1.46820e+00 2.19929e+00 576 2013 3 3.62840e+00 3.03816e+00 362 2013 4 3.00357e+00 2.88091e+00 960 2013 5 8.94807e+00 6.09936e+00 569 2013 6 5.45226e+00 7.30172e+00 610 2013 7 7.94115e+00 6.08651e+00 384 2013 8 4.79398e+00 4.33491e+00 547 2013 9 5.80435e+00 4.03280e+00 825 2013 10 2.65800e+00 2.75769e+00 477 2013 11 4.32172e-01 8.16278e-01 704 2013 12 1.88533e+00 2.16328e+00 320 2014 1 1.94391e+00 2.20681e+00 758 2014 2 3.87659e+00 2.32023e+00 564 2014 3 1.10347e+00 1.15539e+00 582 2014 4 2.38441e+00 1.93877e+00 576 2014 5 7.88351e+00 4.33097e+00 656 2014 6 7.47570e+00 5.07477e+00 482 2014 7 6.46976e+00 8.33621e+00 380 2014 8 1.09621e+01 7.41922e+00 940 2014 9 7.94939e+00 4.32943e+00 777 2014 10 3.74441e+00 3.94816e+00 619 2014 11 4.40058e-01 5.36570e-01 536 2014 12 4.98335e+00 6.89756e+00 137 2015 1 6.89619e-01 1.24634e+00 704 2015 2 9.29289e-02 1.23611e-01 285 2015 3 1.96294e+00 1.93384e+00 778 2015 4 6.74345e+00 5.64577e+00 698 2015 5 1.07465e+01 6.77311e+00 514 2015 6 7.74278e+00 5.21431e+00 310 2015 7 1.38563e+01 1.16846e+01 441 2015 8 9.24769e+00 7.83787e+00 856 2015 9 6.53984e+00 5.24430e+00 708 2015 10 4.37959e-01 8.74971e-01 779 2015 11 5.04644e-01 1.46095e+00 703 2015 12 8.60346e-01 1.28701e+00 502 2016 1 2.20959e+00 4.94545e+00 572 2016 2 8.53073e-01 7.11878e-01 710 2016 3 2.70710e+00 3.47425e+00 576 2016 4 3.87354e+00 4.28889e+00 613 2016 5 5.83772e+00 4.05569e+00 391 2016 6 6.76997e+00 5.62070e+00 733 2016 7 1.28940e+01 6.54637e+00 622 2016 8 9.31034e+00 5.86141e+00 1009 2016 9 3.48903e+00 4.93483e+00 478 2016 10 2.63377e+00 3.35073e+00 570 2016 11 1.63406e+00 3.91216e+00 909 2016 12 2.16531e-01 3.30782e-01 571 2017 1 1.69151e+00 2.82463e+00 647 2017 2 2.54909e+00 2.54470e+00 617 2017 3 2.71983e+00 2.49505e+00 832 2017 4 3.94872e+00 3.76938e+00 428 2017 5 7.90447e+00 6.83856e+00 200 2017 6 6.54727e+00 6.14330e+00 572 2017 7 7.44253e+00 4.69944e+00 564 2017 8 8.00913e+00 5.23010e+00 581 2017 9 4.44535e+00 5.44302e+00 558 2017 10 1.23726e+00 1.94065e+00 826 2017 11 1.77138e+00 1.29348e+00 415 2017 12 2.54664e+00 1.92279e+00 606 2018 1 3.03164e+00 2.61784e+00 896 2018 2 7.93893e-01 7.77293e-01 357 2018 3 1.54789e-01 1.64967e-01 505 2018 4 1.18127e+00 2.07638e+00 448 2018 5 5.28803e+00 5.98254e+00 439 2018 6 1.07867e+01 5.27324e+00 300 2018 7 4.73147e+00 4.07200e+00 544 2018 8 9.12824e+00 5.25168e+00 498 2018 9 8.85421e+00 7.52826e+00 768 2018 10 3.04376e+00 4.41239e+00 514 2018 11 2.55659e-01 1.39116e-01 428 2018 12 1.15713e+00 1.52398e+00 714 2019 1 1.72323e+00 1.62925e+00 654 2019 2 3.44201e+00 3.51152e+00 586 2019 3 3.43439e+00 2.57438e+00 957 2019 4 7.80331e+00 6.27241e+00 454 2019 5 4.52135e+00 3.96575e+00 260 2019 6 5.12406e+00 3.52448e+00 253 2019 7 6.12407e+00 5.40009e+00 775 2019 8 2.54863e+00 3.66474e+00 485 2019 9 1.67552e+00 2.30016e+00 709 2019 10 8.78771e-02 1.54148e-01 320 2019 11 3.45582e-01 4.93971e-01 640 2019 12 1.19765e+00 1.13200e+00 309 2020 1 9.51853e-01 1.01994e+00 640 2020 2 2.78059e+00 2.71017e+00 695 2020 3 1.17478e+00 1.27802e+00 525 2020 4 1.89361e+00 1.20836e+00 293 2020 5 6.50303e+00 5.12130e+00 734 2020 6 5.81796e+00 5.96382e+00 448 2020 7 9.80518e+00 3.69643e+00 650 2020 8 7.67582e+00 2.72392e+00 384 2020 9 3.18469e+00 5.11591e+00 496 2020 10 4.30050e+00 4.82080e+00 704 2020 11 1.05366e+00 1.87970e+00 620 2020 12 7.45605e-01 1.00798e+00 362 2021 1 1.03141e+00 1.57242e+00 628 2021 2 8.43767e-01 6.65821e-01 329 2021 3 3.10572e+00 3.15532e+00 892 2021 4 3.48085e+00 3.42441e+00 741 2021 5 7.28293e+00 7.05200e+00 743 2021 6 8.01533e+00 5.19764e+00 526 2021 7 5.85253e+00 1.93290e+00 393 2021 8 1.33114e+01 8.00266e+00 555 2021 9 4.56367e+00 4.77515e+00 650 2021 10 4.62289e+00 5.05775e+00 555 2021 11 4.49263e-01 6.32917e-01 823 2021 12 1.29391e+00 2.54379e+00 284 2022 1 1.45393e+00 1.93100e+00 464 2022 2 3.46088e+00 2.52051e+00 740 2022 3 5.40655e+00 6.20086e+00 640 2022 4 3.85045e+00 3.83471e+00 252 2022 5 8.64953e+00 5.90608e+00 353 2022 6 8.05885e+00 8.22175e+00 704 2022 7 1.14290e+01 4.36129e+00 692 2022 8 1.50887e+01 6.67527e+00 927 2022 9 4.45186e+00 4.82460e+00 781 2022 10 4.01125e+00 4.40440e+00 639 2022 11 2.50851e+00 2.58297e+00 870 2022 12 1.63428e+00 2.35368e+00 563 2023 1 5.05800e+00 2.66262e+00 456 2023 2 7.30291e+00 6.73207e+00 318 2023 3 2.49665e+00 1.35821e+00 640 2023 4 7.62493e+00 5.84674e+00 419 2023 5 5.21028e+00 4.97900e+00 637 2023 6 5.75420e+00 4.66720e+00 561 2023 7 3.05796e+00 3.29891e+00 640 2023 8 3.06776e+00 2.64405e+00 839 2023 9 6.91215e+00 6.98021e+00 533 2023 10 3.55039e+00 3.05494e+00 666 2023 11 1.74953e-01 2.42057e-01 578 2023 12 8.62467e-01 1.32142e+00 421 2024 1 1.21012e+00 1.30975e+00 547 2024 2 3.07593e-01 4.67527e-01 667 2024 3 3.14238e+00 2.93849e+00 525 2024 4 nan nan 0