308 Transactions of the South African Philosophical Society. 
TABLE 31. 
MontTHtuy VARIATIONS IN THE COSINE FoRMULA. 
Kinberley. Bloemfontein. 
Formular Observed Formular Observed 
Variation. Variation. Variation. Variation. 
O oO oO Oo 
Jam Hela eee 2 — Fil — 2-1 —1:0 
Hebi—Miars 2): —5°9 —4-9 — 46 — 46 
Mar.—April ...... — 8:2 — 86 — 63 —57 
April-May ...... —8-2 — 8-0 — 6:3 —75 
May—June ...... — 4:0 —4-1 — 2°9 — 3:4 
June—July ...... + 2°5 + 1:0 + 1:8 + 0-1 
July—Aug. ...... + 6-0 + 6:2 + 4°6 + 4:9 
Aug.—Sept. ...... + 8:2 +78 + 6°4 + 6:5 
Sept.—Oct. ...... + 7:2 + 6:8 + 5:4 + 5:0 
Oct.—Nov. ...... + 4:1 + 4:8 + 3:1 + 2°9 
INov.—Dee.s..2.6 + 1:4 + 2°8 +12 + 3:1 
Dec.—Jan. ...... — 0-4 —0°7 —0°3 — 0:3 
Alwval North. Mean Table-Land. 
Formular Observed Formular Observed 
Variation. | Variation. Variation. Variation. 
O | O Oo Oo 
Jam: Hebe aes = PPI | =5)-4 3 aly 
Heb. Margen: — 4:6 — 4°6 — 5:0 —A4-7 
Mar.—April ...... — 6:2 | — 62 —69 — 6:8 
April-May ....... — 6:2 — 65 — 69 —73 
May-June ...... —2°9 —41 —3°3 —3°9 
June—July ...... +19 + 0:2 + 2:1 + 0°4 
July—Aug. ...... + 4:4 + 4:4 + 5:0 + 5:2 
Aug.—Sept. ...... + 6°2 + 6°3 +69 + 6:9 
Sept.—Oct.. ...... + 5°5 + 4°8 + 6:0 +5°5 
Oct.-Nov. ...... + 3:2 + 3:2 + 3°5 + 3°6 
Nov.—Dec. ...... +11 + 3:4 + 1:2 + 3:1 
Dee.—Jan. ...... —0°3 —0°5 —0°3 —0°5 
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