der Temperaturvertheilung auf der Oberfläche der Erde. 157 
Pen Yan. 
| Jan. | Febr. | März | Apr. | Mai | Juni | Juli | Aug. | Sept. | Oct. | Nov. | Dec. | Jahr 
1841 |28.64 | 24.75 | 31.16 | 41.53 | 53.03 | 68.03 | 67.93 | 68.54 | 63.16 | 44.74 | 36.30 
1842 |2951|31.89 40.90 |47.80 53.74 61.80 | 67.80 | 67.16 58.53 48.64 34.53 | 28.25 47.54 
1843 |32.16 | 18.72 | 24.23 | 44.97 | 53.47 | 62.81 | 66.20.) 67.70 | 62.59 45.25 133.76 32.26 | 45.34 
1844 [20.51 | 26.55 | 34.08 | 50.70 | 56.45 62.36 66.45 | 65.03 59.83 | 44.64 36.25 | 20.18 | 46.00 
Mittel |25.95 | 25.36 | 34.16 | 39.46 | 56.09 | 65.65 | 69.86 | 67.01 | 59.04 | 47.59 | 37.60 | 25.54 | 46.38 

30.54 | 46.57 



165) Philadelphia (F.) 











| Jan. | Febr. | März | Apr. | Mai | Juni | Juli | Aug. | Sept. | Oct. | Nov. | Dec. | Jahr 
1758 |37.2 we Ka 533 |635 |721 |75.7 |7ı3 |6a |567 laa |345 |53.6 
1759 |30 |ss lara |a94 \52.4 |716 |73 |697 |652 |55.3 |46.4 |30.4 |52.7 
1760 |31.7 \325 laı |51 ı616 |rı2 |ra |755 |645 |5a 1467 |353 [532 
1768 |2s |a6 |395 |a6 159 |ess.6 I7ı5 |65.7 [64 |50 \a2 137.7 [515 
1769 |s3s |s2 |a2 |50 157 |es |77 I7a I6a |5 I|ss |s2 |52 
1770 I305 |375 |ss5 lass |575 |0o I735 I7ı5 |6a |525 [465 |335 |52 
Tzı.ıa6 oo ar 03, |68, lez, zu, 73, | |53 48 |50 1518 
1772 [325 \405 |30 |5ı |I56 |er |5 I775 Isa |55 |455 |365 |525 
1773 [32.6 |33.7 \a2ı |522 |62.7 |73.4 |79.6 |76 |63.9 |58.2 |a22 |39.9 |54.7 
1774 |27 |32.4 \a3.1 |54.6 |60.1 |67.8 |72.8 |73.7 |63.7 |59.3 |aa.ı |36.4 |52.9 
1775 |35.6 |412 |453 |51.4 |65.8 |68.3 |75.1 |728 |65.6 |54.6 |414 |35.7 |544 
1776 |32.7 |sa2 |a22 '5ı |599 |69.9 |7a2 |728 |67.3 |55.9 !a6.3 |353 |53.4 
1777 |31 131.6 |40.3 | 52.2 |57.1 |704 |70.6 |75.9 |592 |50 |395 |33.7 |5ı 
Mittel | 32.14 | 35.45 | 40.38 | 51.05 | 59.28 | 69.64 | 74.08 | 73.03 | 64.03 | 54.62 | 43.89 | 34.68 | 52.75 
ıs29 |30 |25 |3 I5ı Isa |70 |72 |6ı I6ı |52 143 - |a3 150.7 
1830 |33 |s3o |aı |53 |e3 |es |r6 |72 |6a |54 Iso I|37 [535 
ıs3ı |27 |27 |aa |sı | |2 Ira |ra Isa |5 Ja |23 |5ı2 
is32 (31 |33 141° a8 |68 "|68 70 170  |63 |54 144 137 [515 
ıs3 |5 |3 |3 |5 |a 6 |3 | | |s3 |Ia |5 | 
1534 |29 |a3s |aa |52 I57 | | Isa |\5 |s7 (a3 |s5 |535 
18355 |32 |27 |s9 |a9 |6o I69 |73 |69 |59 56 | [31 2,78 
ıss6s [23 |23 |32 |aı |cı |sa |72 |68 [66 |a7 Jar |32 
ıs37 |2s |s2 |s9 | |6o Isa I|rı |70 |er |53 |49 |35 s 8 
ısss |37_ |24 jaı |a7 58 Ira |so j76 les j5ı las ısı [52 _ 
| Mittet | 30.7 |29.7 |38.9 |49.2 |c0.7 |68.3 |738 |70.2 |63.4 |53.2 |445 12 |63.4 |532 445 |33.9 [53.40 En 
2 Prag (R.) 


| Jan. | Febr. | März Apr. ai | Juni | Juli | Aug. |Sept.| Oct. | Nov. | » c. [Jahr 
1778 | — 2.5 | 14 E FEIERN 15.53 | 19.25 | 17 II 7.75| 5 Ne 8.5 
1779 f — 5.25 1.25 | 45 !'9.66115.9!15.5 175 16 10.5 6 
1780 | — 5.70 | — 7.8 ss Is. 3 Iısslıs3 15.72|15.16 135 | 8.9 IR je FR 4.1 

