Daily chart answer for Friday, October 30, 2026
How did the annual global temperature anomaly change from 1965 to 1980 (°C relative to 1951–1980)? Climate · 16 observations · NASA GISS (GISTEMP v4).
Solid line = the part players could see · dashed violet = the daily chart’s hidden stretch, revealed here.
What happened
After the visible part ended on 1971, the series ended higher, closing at 0.26°C. Players saw the first 7 of 16 observations before drawing. From -0.11°C to 0.26°C, the net move over the full span is up 0.37°C. The period high of 0.26°C came in 1980; the low of -0.11°C, in 1965. The biggest one-step move was 0.28°C upward in 1977. Data: NASA GISS (GISTEMP v4).
The hidden values
After the cutoff (1971), the series printed:
| Date | Actual value |
|---|---|
| 1972 | 0.01 |
| 1973 | 0.16 |
| 1974 | -0.07 |
| 1975 | -0.01 |
| 1976 | -0.1 |
| 1977 | 0.18 |
| 1978 | 0.07 |
| 1979 | 0.16 |
| 1980 | 0.26 |
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