NOCTURNAL RADIATION
SUNRISE
Exposed Th. On Earth On Grass
Temperature 51.7 52.4 48.8
Mean Diff. from Air 4.1 3.4 7.0
Max. Diff. from Air 8.0 7.0 11.5
Number of Observations 9 9 9
NINE P.M.
Exposed Th. On Earth On Grass
Temperature 61.2 64.3 55.8
Mean Diff. from Air 6.8 4.6 11.8
Max. Diff. from Air 10.5 8.5 17.0
Number of Observations 10 9 9