Month | N | Range | Minimum | Maximum | Mean | Std. Deviation | Variance | Skewness | Kurtosis |
January | 32 | 261.90 | 27.10 | 28.90 | 37.7906 | 45.85650 | 2102.819 | 5.651 | 31.951 |
February | 32 | 273.70 | 28.30 | 30.20 | 38.6750 | 48.06843 | 2310.574 | 5.650 | 31.950 |
March | 32 | 4.40 | 28.40 | 32.80 | 30.2750 | 1.18049 | 1.394 | 0.575 | −0.298 |
April | 32 | 3.20 | 28.20 | 31.40 | 29.7969 | 0.82442 | 0.680 | 0.114 | −0.600 |
May | 32 | 3.80 | 27.70 | 31.50 | 29.8750 | 0.93980 | 0.883 | −0.641 | 0.053 |
June | 32 | 2.00 | 28.90 | 30.90 | 30.0281 | 0.45524 | 0.207 | −0.033 | 0.144 |
July | 32 | 1.70 | 29.20 | 30.90 | 29.9844 | 0.43782 | 0.192 | 0.341 | −0.620 |
August | 32 | 2.30 | 29.30 | 31.60 | 30.8875 | 0.46887 | 0.220 | −1.260 | 2.979 |
September | 32 | 2.10 | 31.40 | 33.50 | 32.4125 | 0.53627 | 0.288 | 0.273 | −0.189 |
October | 32 | 3.50 | 30.10 | 33.60 | 32.7375 | 0.72768 | 0.530 | −1.924 | 5.013 |
November | 32 | 9.50 | 24.00 | 33.50 | 31.0344 | 1.76847 | 3.127 | −1.985 | 7.080 |
December | 32 | 6.80 | 26.80 | 33.60 | 29.9938 | 1.57089 | 2.468 | 0.623 | 0.359 |
Average | 32 | 1.70 | 29.70 | 31.40 | 30.5781 | 0.41793 | 0.175 | −0.141 | −0.285 |