374 



BEN NEVIS OBSERVATORY. — LOG-BOOK 



[1896. 



July 10. — Fog-bows and glories between 6 h and 7 h . 

 Halos were seen all afternoon. At 20 h and 21 h the 

 Outer Hebrides appeared very near and well-defined. 

 Afterglow at midnight. 



July 11. — Foreglow at l u and 2'\ Halo at noon, 

 lla/.e all afternoon, specially dense to W. and N.W. 



July 15. — At 19 h double corona seen round the 

 reflection of the sun in Loch Eil. 



July 16. — Shadows of earth and Ben at sunrise. 

 Glories at 6 h and 7 U . 



July 18.— Fog-bows at V\ 8 h , and 9 h . Fog below to 

 4000 feet at 10 b , rising and enveloping summit at 13 h . 

 Mist remainder of day. 



July 23. — Three-ringed glory and two-ringed fog-bow at 

 20 h . At 21 h a rainbow-coloured arch seen to S.E. resem- 

 bling an earth shadow, red outside. Double lunar corona 

 at 11.55 p.m. 



July 24. — Double glory at 5 h . Rainbow at 16 h . 



July 25. — Foreglow at 2 h . At 3 h , beneath a band of 

 cum.-s. to N.N.E., the sky was a peculiar magenta tint. 



July 27. — At 17 h , while wind on summit was N.E. 

 force 2 to 4, the wind on Cairn Mor Dearg aud ridge was 

 observed by Mr Drysdale to be W. force 4. 



July 28. — Shadow of Ben at 4 h . Eagle seen over 

 Aonach Beg about 6 h 15 m . 



July 31. — About 20 h , four ravens were seen flying about 

 summit. 



Aug. 1. — Summit clear almost all day and fog on 

 hills to 4000 feet. A lunar corona was seen at 3 h . 



Aug. 2. — Clear almost all day. Lunar corona seen 

 at 2 h . Solar halo at 8\ 



Aug. 5. — Detached fog on hills, and fog over Loch 

 Lochy all morning. 



Aug. 10. — Almost cloudless till noon, when mist came 

 on. 



Aug. 11. — Fog sank below level of summit after 7 h , 

 and remained about the 4000 feet level all day. 



Aug. 16. — Summit clear in evening; cum. -fog among 

 hills all round. 



Aug. 

 22 h . 

 Aug. 

 Aug. 



19. — A double lunar corona was observed at 



22. — A lunar corona was seen at midnight. 

 23. — Cumulus-fog below all day. Glories were 

 observed at 10 h and 16 h , solar halos at 15 h and 16 h , and 

 lunar halos at 21 h and 22 h . 



Aug. 31. — Summit clear after 4 h . Cum.-fog in valleys 

 to eastward and southward. A glory and fog-bow were 

 observed at 6 h . 



Sept. 1. — Summit clear and sky almost cloudless all 

 forenoon. Mist came on in evening. A glory was seen 

 at ll h . 



Sept. 4. — A raven was seen near cliff at 17 1 '. Aurora 

 at 23 h . 



Sept. 



day ; finally 

 sky cloudless 



5. — Fog off and on during the 

 sinking below level of summit, and leaving 

 after 18 h . Glories and a solar corona were observed after 

 18 h . 



Sept. 6. — Sky cloudless and fog all round below till 

 noon, after which fog rose and enveloped summit till 18 h , 

 when it again sank and sky became cloudy. 



Sept. 7. — A thin fog cap lay on the hill-top, and the 

 air was slightly dry till 17 h , when the fog became more 

 dense and changed to mist. 



Sept. 14. — Between 22 u and 23 h sheet lightning was 

 seen to S.S.W. 



Sept. 16. — Earth currents in telegraph cable in early 

 morning. 



Thunder and lightning observed after 19 h . 



Sept. 19. — A lunar corona was observed at 21 h and a 

 lunar rainbow at 20 h 25 m . 



Sept. 20. — A double lunar corona was seen at 23 h and 

 midnight. 



Sept. 21. — Air very clear ; the maximum visibility being 

 observed almost every hour till 1 8 h , after which fog came 

 on from the east. A double lunar corona and a meteor 

 were observed after 2 h , and a solar halo at 13 h . 



Oct. 5. — St. Elmo's fire was observed at l h , 3 h , and 5 h . 



Oct. 11. — Summit clear after 7 h , but fog passing. An 

 aurora was seen at 20 h . 



Oct. 12. — Fog all forenoon, but summit clear and sky 

 cloudy after 13 h . No fog in valleys, but clouds were 

 tipping hills all round. At 16 h a thermometer box with 

 dry and wet bulbs and minimum was put out on ladder- 

 stand No. 2, and the readings afterwards taken there. 



Oct. 13. — An aurora was observed at 22 h , and a raven 

 was seen on summit at 17 h . 



Oct. 14. — An aurora was again seen at 3 h , 4 h , and 

 22 h . 



Oct. 15. — Sky cloudless till noon, after which it 

 became partly clouded with cirro.-stratus. Fog lay over 

 Loch Eil and the Caledonian Canal all morning, and also 

 hung about the hills all day. A solar halo was observed 

 at 15 u and 16 h , and an aurora at 4 h and 22 h . 



Oct. 16. — Detached fog on hills all round and haze low 

 down in valleys all day. Lunar halo at 20 b . 



Oct. 17. — Fog came over summit at 6 h and remained 

 there for the rest of the day. Aurora at 3 h and 4 h . 



Oct. 18. — Summit clear and sky cloudless from 7 h till 

 noon. Detached fog on hills. Fog-bow at ll h . 



Oct. 20. — Clear most of the day, but fog on hills. 

 Thermometer box changed at ll h 15 m . 



Oct. 22.— Thermometer box changed at 21 h 15 m . A 

 lunar corona at 21 h and 23 h . Two ravens were seen at 

 16 h . 



Oct. 23. — Green sky to east at 13 h . A lunar corona 

 was observed at l h , 4 h , and 5 h , and a double lunar corona 

 at 6 h . Glory at 7 h 40 m . 



Oct. 24. — Lunar corona at 21 h , and a lunar halo at 

 midnight. 



Oct. 25. — -A minimum thermometer was put out on 

 snow on cotton wool last night, and read 4° '5 at 9 h to-day. 

 Solar halo at 10 h and ll h . 



Oct. 27.— Thermometer box changed at 20 h 25 m . 

 Height not altered. Solar corona at 15 h , and a lunar halo 

 at 23 h and midnight. 



Oct. 28. — A lunar halo at l h and 5 h , and a glory at 9 b . 



Oct. 29. — Summit clear most of the day and fog below 

 to about the 4200 feet level, occasionally passing over 

 summit. Faint lunar corona at 5 1 '. 



Nov. 1. — Fog fell below summit after 3 h . Skerry vore 

 and a number of the other lights along the west coast 

 were visible at 23 h and midnight. Lunar corona at 4 U . 

 A glory round the shadow of Ben, cast a fog over 

 Loch Eil at 8 h . 



Nov. 3. — Summit cleared after l h , and sky remained 

 cloudless the rest of the day. A triple glory was observed 





