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 1.08372e+00 9.88083e-01 147 2002 8 1.89036e+00 1.60862e+00 153 2002 9 1.03473e+00 5.18752e-01 98 2002 10 1.08843e+00 7.89712e-01 464 2002 11 1.31956e+00 5.30350e-01 365 2002 12 1.14793e+00 6.41746e-01 368 2003 1 1.65178e+00 7.66413e-01 536 2003 2 9.80266e-01 2.71257e-01 458 2003 3 2.50693e+00 1.57260e+00 130 2003 4 3.36564e+00 1.53952e+00 189 2003 5 2.24290e+00 1.51510e+00 46 2003 6 3.10418e+00 2.27994e+00 15 2003 7 7.04011e-01 1.73901e-01 47 2003 8 3.97733e+00 1.65283e+00 28 2003 9 2.01358e+00 1.49106e+00 201 2003 10 1.85193e+00 1.47238e+00 267 2003 11 1.42078e+00 1.04259e+00 471 2003 12 9.21011e-01 3.43656e-01 445 2004 1 9.72044e-01 4.78906e-01 331 2004 2 7.74799e-01 2.62592e-01 242 2004 3 1.53004e+00 7.99224e-01 519 2004 4 9.27766e-01 3.88665e-01 237 2004 5 1.30880e+00 6.72918e-01 158 2004 6 9.89411e-01 8.66404e-01 141 2004 7 3.54664e-01 2.43867e-01 122 2004 8 1.93293e+00 1.53197e+00 168 2004 9 1.04751e+00 3.00467e-01 123 2004 10 2.69946e+00 4.63147e-01 24 2004 11 5.95287e+00 2.05791e+00 33 2004 12 1.55921e+00 4.12100e-01 124 2005 1 1.52163e+00 4.59689e-01 351 2005 2 2.43552e+00 1.22504e+00 273 2005 3 1.39817e+00 8.57131e-01 294 2005 4 2.27648e+00 1.35675e+00 262 2005 5 2.76840e+00 2.20264e+00 112 2005 6 1.24463e+00 1.20908e+00 62 2005 7 nan nan 0 2005 8 3.05960e+00 1.47717e+00 63 2005 9 1.97493e+00 1.72951e+00 158 2005 10 1.70910e+00 7.82856e-01 371 2005 11 1.10416e+00 5.52892e-01 436 2005 12 1.12055e+00 6.38115e-01 404 2006 1 1.57813e+00 5.39295e-01 390 2006 2 1.87621e+00 6.65227e-01 393 2006 3 2.93511e+00 1.92767e+00 637 2006 4 1.13347e+00 3.20568e-01 221 2006 5 9.33369e-01 5.78269e-01 109 2006 6 6.89824e-01 3.43243e-01 61 2006 7 1.63040e+00 8.39840e-01 39 2006 8 1.41387e+00 6.29629e-01 73 2006 9 1.24151e+00 5.05070e-01 138 2006 10 1.32435e+00 7.34278e-01 173 2006 11 1.11323e+00 7.31649e-01 317 2006 12 9.47594e-01 7.46454e-01 271 2007 1 1.18838e+00 5.81120e-01 165 2007 2 7.41286e-01 1.97811e-01 392 2007 3 7.92669e-01 3.31621e-01 603 2007 4 9.21165e-01 3.33102e-01 303 2007 5 8.29438e-01 1.25961e-01 53 2007 6 1.04935e+00 8.83540e-01 133 2007 7 1.16433e+00 6.87673e-01 42 2007 8 1.31232e+00 5.50329e-01 122 2007 9 1.15952e+00 2.81452e-01 127 2007 10 1.19383e+00 6.50794e-01 358 2007 11 1.42877e+00 1.06307e+00 490 2007 12 1.23447e+00 9.50746e-01 281 2008 1 1.47680e+00 8.21545e-01 263 2008 2 1.02226e+00 5.56819e-01 562 2008 3 1.63708e+00 1.11009e+00 401 2008 4 2.48506e+00 1.31735e+00 236 2008 5 1.58848e+00 1.12645e+00 177 2008 6 9.61188e-01 3.89925e-01 126 2008 7 2.02612e+00 1.10085e+00 44 2008 8 1.06645e+00 1.20183e+00 84 2008 9 2.53080e+00 1.71917e+00 88 2008 10 2.01034e+00 1.00100e+00 491 2008 11 1.44412e+00 7.37206e-01 476 2008 12 1.18557e+00 5.98783e-01 495 2009 1 1.17701e+00 8.34272e-01 410 2009 2 9.25193e-01 2.95648e-01 594 2009 3 7.96653e-01 1.76883e-01 454 2009 4 1.60856e+00 8.27119e-01 342 2009 5 4.42651e+00 1.95776e+00 59 2009 6 1.49639e+00 1.08008e+00 73 2009 7 4.61141e-01 1.43026e-01 10 2009 8 1.98360e+00 6.73172e-01 89 2009 9 2.75807e+00 1.36941e+00 264 2009 10 1.66654e+00 1.05534e+00 464 2009 11 1.78371e+00 9.76789e-01 279 2009 12 1.33816e+00 8.81368e-01 152 2010 1 1.07062e+00 3.25148e-01 527 2010 2 3.16425e+00 1.09373e+00 343 2010 3 4.39804e+00 1.77131e+00 522 2010 4 2.93077e+00 1.69251e+00 301 2010 5 1.74974e+00 1.20631e+00 295 2010 6 1.96698e+00 8.17323e-01 114 2010 7 2.26779e+00 1.57517e+00 133 2010 8 1.94688e+00 8.46345e-01 31 2010 9 2.53118e+00 1.41384e+00 262 2010 10 1.98574e+00 1.57534e+00 794 2010 11 1.06925e+00 9.43194e-01 581 2010 12 9.36145e-01 3.77740e-01 386 2011 1 7.48070e-01 2.91978e-01 426 2011 2 8.38108e-01 2.65456e-01 604 2011 3 1.06945e+00 2.80584e-01 704 2011 4 1.02580e+00 3.40063e-01 500 2011 5 1.03277e+00 3.93668e-01 271 2011 6 4.31579e+00 0.00000e+00 1 2011 7 1.46115e+00 1.12764e+00 83 2011 8 1.53827e+00 3.39559e-01 18 2011 9 1.54357e+00 1.11249e+00 487 2011 10 1.45838e+00 7.98371e-01 367 2011 11 9.52418e-01 4.36199e-01 670 2011 12 7.63674e-01 2.39330e-01 585 2012 1 7.92041e-01 3.40175e-01 636 2012 2 1.29608e+00 3.66066e-01 20 2012 3 6.72477e-01 1.46015e-01 560 2012 4 9.09424e-01 2.11142e-01 413 2012 5 1.02160e+00 4.41523e-01 218 2012 6 7.60335e-01 2.86359e-01 14 2012 7 3.88440e+00 1.86242e+00 55 2012 8 3.74350e+00 2.59969e+00 8 2012 9 3.34270e+00 2.11824e+00 83 2012 10 3.88106e+00 1.65346e+00 144 2012 11 1.55061e+00 7.97688e-01 458 2012 12 1.24178e+00 5.61765e-01 201 2013 1 1.02498e+00 5.32108e-01 474 2013 2 1.00121e+00 3.71863e-01 322 2013 3 1.16290e+00 3.74942e-01 446 2013 4 2.53677e+00 2.07316e+00 222 2013 5 1.89272e+00 1.41187e+00 207 2013 6 4.46741e+00 2.37156e+00 138 2013 7 nan nan 0 2013 8 6.42022e+00 1.41437e+00 13 2013 9 3.95074e+00 1.90761e+00 218 2013 10 1.99176e+00 1.26783e+00 364 2013 11 1.77990e+00 1.00968e+00 84 2013 12 1.12010e+00 3.90151e-01 322 2014 1 1.27613e+00 3.43448e-01 268 2014 2 1.07727e+00 2.36616e-01 519 2014 3 1.72198e+00 1.20346e+00 359 2014 4 3.52684e+00 2.07237e+00 200 2014 5 3.99188e+00 2.09920e+00 97 2014 6 3.21733e+00 6.16897e-01 30 2014 7 2.08852e+00 1.07318e+00 269 2014 8 2.33202e+00 1.55649e+00 140 2014 9 8.85760e-01 4.71256e-02 21 2014 10 1.51367e+00 9.45803e-01 854 2014 11 1.37173e+00 7.92310e-01 486 2014 12 1.08988e+00 8.26801e-01 309 2015 1 9.83718e-01 5.73682e-01 405 2015 2 9.85848e-01 2.55917e-01 480 2015 3 1.35053e+00 4.04414e-01 303 2015 4 4.00529e+00 1.78110e+00 82 2015 5 1.40878e+00 6.64912e-01 252 2015 6 1.11238e+00 4.44730e-01 111 2015 7 1.91489e-01 1.35512e-02 3 2015 8 2.85771e+00 1.65186e+00 74 2015 9 2.89411e+00 8.72327e-01 64 2015 10 1.75459e+00 1.35909e+00 359 2015 11 1.55509e+00 1.05679e+00 270 2015 12 1.41583e+00 9.54591e-01 310 2016 1 1.20716e+00 5.84301e-01 407 2016 2 1.39687e+00 1.01430e+00 701 2016 3 1.79767e+00 1.42508e+00 469 2016 4 2.12949e+00 1.31394e+00 201 2016 5 1.36040e+00 9.49712e-01 161 2016 6 1.51463e+00 1.21867e+00 189 2016 7 2.31406e+00 1.15784e+00 165 2016 8 2.91275e+00 1.70578e+00 255 2016 9 2.21180e+00 1.91400e+00 151 2016 10 1.90119e+00 1.01984e+00 405 2016 11 1.26835e+00 5.42218e-01 593 2016 12 1.16077e+00 5.28913e-01 331 2017 1 9.96850e-01 4.13015e-01 460 2017 2 9.70347e-01 5.41891e-01 545 2017 3 1.16335e+00 3.58695e-01 579 2017 4 9.84416e-01 2.30812e-01 383 2017 5 1.04975e+00 5.43626e-01 200 2017 6 5.02868e-01 4.53458e-01 85 2017 7 7.69592e-01 4.43663e-01 80 2017 8 2.43167e+00 1.60403e+00 218 2017 9 2.84261e+00 1.94582e+00 388 2017 10 2.03808e+00 8.80473e-01 97 2017 11 1.98737e+00 1.15274e+00 752 2017 12 9.41722e-01 3.93351e-01 421 2018 1 1.19007e+00 5.72539e-01 283 2018 2 1.20709e+00 6.14465e-01 470 2018 3 1.31316e+00 5.91247e-01 496 2018 4 1.25973e+00 5.67380e-01 258 2018 5 1.94471e+00 1.28549e+00 287 2018 6 1.43384e+00 9.18782e-01 206 2018 7 nan nan 0 2018 8 6.05678e+00 2.05485e+00 21 2018 9 2.81369e+00 1.88208e+00 390 2018 10 1.83828e+00 8.08701e-01 439 2018 11 1.32539e+00 2.44662e-01 64 2018 12 1.80742e+00 6.19294e-01 356 2019 1 3.53681e+00 1.53632e+00 163 2019 2 4.77476e+00 2.03618e+00 114 2019 3 2.96986e+00 1.47882e+00 461 2019 4 2.13244e+00 6.01164e-01 310 2019 5 1.64691e+00 5.69797e-01 294 2019 6 nan nan 0 2019 7 1.34975e+00 1.59654e-01 30 2019 8 2.65928e+00 1.73136e+00 118 2019 9 1.87828e+00 8.47419e-01 154 2019 10 1.57819e+00 7.28164e-01 360 2019 11 1.06877e+00 6.25417e-01 528 2019 12 1.07634e+00 4.31715e-01 130 2020 1 1.32198e+00 4.19533e-01 304 2020 2 1.50440e+00 6.53039e-01 306 2020 3 1.74631e+00 6.80179e-01 564 2020 4 1.76261e+00 8.08804e-01 186 2020 5 1.78544e+00 1.05033e+00 426 2020 6 2.31984e+00 1.10454e+00 311 2020 7 1.65500e+00 9.32529e-01 79 2020 8 2.01103e+00 8.32237e-01 142 2020 9 2.66229e+00 1.04766e+00 150 2020 10 2.18605e+00 1.02498e+00 387 2020 11 1.96409e+00 8.80228e-01 332 2020 12 1.36827e+00 5.41306e-01 427 2021 1 1.72634e+00 6.04021e-01 161 2021 2 2.05612e+00 7.33627e-01 301 2021 3 1.97958e+00 7.16956e-01 340 2021 4 3.73076e+00 1.88580e+00 307 2021 5 2.86822e+00 1.30748e+00 269 2021 6 2.10513e+00 5.93804e-01 37 2021 7 3.39174e+00 1.46311e+00 55 2021 8 5.05874e+00 1.71500e+00 16 2021 9 4.01600e+00 2.04451e+00 212 2021 10 2.68587e+00 1.89572e+00 267 2021 11 1.61898e+00 5.72363e-01 553 2021 12 1.56440e+00 6.18709e-01 499 2022 1 1.54286e+00 3.71361e-01 372 2022 2 1.38119e+00 4.71698e-01 540 2022 3 1.77246e+00 9.80493e-01 432 2022 4 5.24636e+00 1.37026e+00 35 2022 5 3.39465e+00 1.84760e+00 280 2022 6 1.81281e+00 4.73493e-01 202 2022 7 1.82654e+00 9.69169e-01 124 2022 8 2.11444e+00 1.10588e+00 164 2022 9 2.16973e+00 1.43985e+00 246 2022 10 1.11103e+00 7.44740e-01 965 2022 11 1.47462e+00 1.15632e+00 296 2022 12 1.21241e+00 9.42780e-01 662 2023 1 9.58576e-01 4.15200e-01 754 2023 2 1.16354e+00 6.92654e-01 526 2023 3 2.10761e+00 1.33985e+00 518 2023 4 1.34443e+00 6.74035e-01 400 2023 5 1.24060e+00 9.54855e-01 244 2023 6 7.54913e-01 3.73922e-01 75 2023 7 1.46768e+00 9.74069e-01 344 2023 8 1.84512e+00 1.86147e+00 209 2023 9 2.11723e+00 1.45322e+00 369 2023 10 1.17728e+00 4.48743e-01 360 2023 11 1.50638e+00 1.12404e+00 528 2023 12 1.48090e+00 6.94134e-01 179 2024 1 3.04382e+00 1.55201e+00 273 2024 2 2.43876e+00 1.85405e+00 699 2024 3 1.81069e+00 6.44373e-01 318 2024 4 nan nan 0