=====+=============================+=============================+ Date.| 1874 | 1877 | -----+----+----+----+----+----+----+----+----+----+----+----+----+ | May|June|July|Aug.|Sep.|Oct.| May|June|July|Aug.|Sep.|Oct.| -----+----+----+----+----+----+----+----+----+----+----+----+----+ 1 | .. |1·01|2·50|5·60|7·18|6·66| .. | ·97|2·81|5·20|4·97|4·30| 2 | .. |1·06|2·50|5·65|7·18|6·66| .. | ·97|2·77|4·79|4·97|4·30| 3 | .. |1·22|2·50|5·78|7·22|6·55| .. | ·97|2·68|4·79|4·84|4·25| 4 | .. |1·44|2·59|5·85|7·27|6·50| .. | ·97|2·54|4·54|4·88|4·21| 5 | .. |1·55|2·68|6·01|7·27|6·41| .. | ·97|2·54|4·43|4·88|4·21| -----+----+----+----+----+----+----+----+----+----+----+----+----+ 6 | .. |1·60|2·68|6·14|7·20|6·30| .. | ·92|2·68|4·43|4·88|4·21| 7 | .. |1·60|2·75|6·23|7·13|6·26| .. | ·01|2·86|4·66|4·97|4·12| 8 | ·07|1·80|2·86|6·32|7·18|6·19| .. | ·88|2·95|4·84|4·97|4·12| 9 | ·14|1·98|2·99|6·46|7·18|6·08| .. | ·83|3·04|4·84|4·97|3·98| 10 | ·50|1·98|3·04|6·55|7·13|5·92| ·02| ·83|3·22|4·84|4·97|3·98| -----+----+----+----+----+----+----+----+----+----+----+----+----+ 11 | ·50|1·76|3·22|6·68|7·09|5·78| ·02| ·88|3·35|4·97|4·97|3·98| 12 | ·86|1·76|3·31|6·77|7·13|5·65| ·02|1·24|3·35|5·06|5·00|3·98| 13 | ·97|1·76|3·22|6·84|7·22|5·65| ·02|1·37|3·22|5·06|5·06|3·98| 14 | ·97|1·76|3·49|6·84|7·18|5·60| ·02|1·37|3·22|5·06|5·06|3·87| 15 | ·99|1·80|3·80|6·91|7·09|5·51| ·02|1·60|3·58|4·97|5·11|3·87| -----+----+----+----+----+----+----+----+----+----+----+----+----+ 16 |1·04|1·85|4·03|7·04|7·04|5·44| ·02|1·73|3·62|4·97|5·11| .. | 17 |1·15|1·91|4·12|7·13|7·04|5·38| ·02|2·05|3·67|4·97|5·06| .. | 18 |1·28|1·91|4·25|7·04|7·04|5·31| ·02|1·96|3·67|4·97|4·97| .. | 19 |1·35|1·91|4·52|7·00|6·93|5·11| ·02|1·87|3·89|4·97|4·97| .. | 20 |1·58|1·91|4·61|7·04|6·89|4·97| ·02|1·87|4·03|4·97|4·97| .. | -----+----+----+----+----+----+----+----+----+----+----+----+----+ 21 |1·77|1·96|4·84|6·91|6·89|4·84| ·11|1·87|4·12|4·93|4·97| .. | 22 |1·60|1·96|4·88|7·00|6·82|4·70| ·34|1·96|4·21|4·93|4·84| .. | 23 |1·46|2·00|4·97|6·93|6·82|4·61| ·38|2·05|4·30|5·02|4·84| .. | 24 |1·33|2·05|5·11|6·91|6·86|4·43| ·68|2·27|4·12|5·02|4·79| .. | 25 |1·26|2·09|5·11|6·98|6·82|4·30| ·90|2·27|4·12|5·02|4·75| .. | -----+----+----+----+----+----+----+----+----+----+----+----+----+ 26 |1·19|2·18|5·31|7·00|6·82|4·21|1·01|2·14|4·12|5·15|4·70| .. | 27 |1·19|2·36|5·42|7·00|6·73|4·10|1·19|2·14|4·21|5·15|4·66| .. | 28 |1·19|2·41|5·51|7·00|6·66|4·10|1·33|2·14|4·43|5·15|4·57| .. | 29 |1·08|2·41|5·51|7·13|6·66|4·10|1·28|2·41|4·61|5·24|4·57| .. | 30 |1·01|2·41|5·51|7·09|6·66|4·10|1·19|2·72|4·70|5·24|4·39| .. | -----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |1·01| .. |5·56|7·13| .. |4·10|1·06| .. |4·77|5·06| .. | .. | -----+----+----+----+----+----+----+----+----+----+----+----+----+ Mean | ..