Kehysedh
Yn doronieth, linen dhismygel yw an kehysedh a ystyn a-derdro an bys yn playn war elin pedrek dhe eghel y resegva. Yma dhe bub planet y gehysedh y honan, mes dell yw usys, "Kehysedh" a gampoll linen war an Norvys. Y sev an Kehysedh yntra dhiw benn-aghel an planet poran. Hemm a styr y vos an keth pellder a Bennaghel an Ogledh avel y vos a Bennaghel an Dhyghow. An Kehysedh a rann an bys yn dew: Hanter-bys an Ogledh ha Hanter-bys an Dhyghow. Mappow a dhiskwedh dorles an kehysedh avel 0° ha'n pennow-aghel avel 90°.
Kevys yw niver a gresennow fusen ogas dhe'n Kehysedh, r.e. Kresen Efanvos Gwayana yn Kourou, Gwayana Frynkek, chif porth efanvos dhe Bow Frynk ha Maynorieth Efanvos Europa (European Space Agency / ESA). An skila yw drefen bos tylleryow war an Kehysedh ow kwaya yn uskissa ages tylleryow war dhorlesow erel. Hemm a styr fusennow dhe usya le a geunys.
Hinyow war an Kehysedh yw tomm dres an vledhen gans moy a law pan vo an Howl a-vann misyow an kehysnosow (Meurth ha Gwynngala).
| Kedhlow hin rag Libreville, Gabon yn Afrika | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mis | Gen | Hwe | Meu | Ebr | Me | Met | Gor | Est | Gwy | Hed | Du | Kev | Bledhen |
| Ughel kresek °C (°F) | 29.5 (85.1) |
30.0 (86.0) |
30.2 (86.4) |
30.1 (86.2) |
29.4 (84.9) |
27.6 (81.7) |
26.4 (79.5) |
26.8 (80.2) |
27.5 (81.5) |
28.0 (82.4) |
28.4 (83.1) |
29.0 (84.2) |
28.58 (83.44) |
| Dedhyek kresek °C (°F) | 26.8 (80.2) |
27.0 (80.6) |
27.1 (80.8) |
26.6 (79.9) |
26.7 (80.1) |
25.4 (77.7) |
24.3 (75.7) |
24.3 (75.7) |
25.4 (77.7) |
25.7 (78.3) |
25.9 (78.6) |
26.2 (79.2) |
25.95 (78.71) |
| Isel kresek °C (°F) | 24.1 (75.4) |
24.0 (75.2) |
23.9 (75.0) |
23.1 (73.6) |
24.0 (75.2) |
23.2 (73.8) |
22.1 (71.8) |
21.8 (71.2) |
23.2 (73.8) |
23.4 (74.1) |
23.4 (74.1) |
23.4 (74.1) |
23.30 (73.94) |
| Glawas kresek cm (inches) | 250.3 (9.85) |
243.1 (9.57) |
363.2 (14.30) |
339.0 (13.35) |
247.3 (9.74) |
54.1 (2.13) |
6.6 (0.26) |
13.7 (0.54) |
104.0 (4.09) |
427.2 (16.82) |
490.0 (19.29) |
303.2 (11.94) |
2,841.7 (111.88) |
| Dedhyow glawek kresek (≥ 0.1 mm) | 17.9 | 14.8 | 19.5 | 19.2 | 16.0 | 3.70 | 1.70 | 4.90 | 14.5 | 25.0 | 22.6 | 17.6 | 177.4 |
| Ourys howlsplann misek kresek | 176.7 | 182.7 | 176.7 | 177.0 | 158.1 | 132.0 | 117.8 | 89.90 | 96.00 | 111.6 | 135.0 | 167.4 | 1,720.9 |
| Source: World Meteorological Organization (UN),[1] Hong Kong Observatory[2] | |||||||||||||