Tuatara: Volume 20, Issue 3, November 1973
[section]
page 166
N.Z. Meteorological Service — extra atmospheric radiation averages for 5 day periods, months (February 28 days) and year units Langleys per day and Langleys. Solar constant 1.95 ly per min. Latitude 40 deg. 0 min.
(See de Lisle, J.F., 1966. Mean daily insolation in New Zealand, N.Z.J.Sci. 9: 992–1005, for relationship between extra-atmospheric and sea-level radiation).
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Initial Date | Pentade | Average Langleys Per Day | ||||||||
Jan | 1 | 1–6 | 1057 | 1048 | 1037 | 1024 | 1007 | 988 | Jan | 1025 |
Jan | 31 | 7–12 | 967 | 943 | 918 | 891 | 862 | 832 | Feb | 902 |
Mar | 2 | 13–18 | 800 | 768 | 736 | 702 | 669 | 636 | Mar | 722 |
Apr | 1 | 19–24 | 603 | 571 | 540 | 510 | 482 | 455 | Apr | 527 |
May | 1 | 25–30 | 429 | 406 | 385 | 366 | 349 | 334 | May | 376 |
May | 31 | 31–36 | 323 | 313 | 307 | 303 | 301 | 303 | Jun | 307 |
Jun | 30 | 37–42 | 306 | 313 | 322 | 334 | 348 | 364 | Jul | 335 |
Jul | 30 | 43–48 | 383 | 403 | 426 | 451 | 477 | 505 | Aug | 454 |
Aug | 29 | 49–54 | 534 | 565 | 596 | 628 | 660 | 693 | Sep | 632 |
Sep | 28 | 55–60 | 725 | 757 | 789 | 820 | 850 | 879 | Oct | 825 |
Oct | 28 | 61–66 | 907 | 933 | 957 | 979 | 999 | 1016 | Nov | 982 |
Nov | 27 | 67–72 | 1031 | 1043 | 1053 | 1059 | 1063 | 1064 | Dec | 1057 |
Dec | 27 | 73 | 1062 | |||||||
Year | 679 |