The model links spatial quantities of available sunlight, degree-day accumulation and soil water content to the establishment and growth of individual tree and shrub species.
One man outside the gas station, sweating profusely under heavy dreadlocks drenched in 90 degree sunlight, spoke with a particularly enraged tone.
As to sun or shade, most lilies do best in some degree of sunlight.
Risk factors for hypovitaminosis D were identified as older age, female sex, lower latitude, winter season, darker skin pigmentation, degree of sunlight exposure determined by clothing and cultural practices, dietary habits and national policies of vitamin D fortification.
The latitude of Houston, TX is 29 degrees, more southern than the typically used latitude cutoff of Atlanta, Georgia of 33 degrees for sunlight exposure to lead to vitamin D formation in the dermis to occur throughout the year.
All the sphere needs is an external temperature of between 60 and 90 degrees, and sunlight.
The last time I saw Fakher, we were standing in beating sunlight on a 110-degree day with a septuagenarian sheik in full tribal garb.
Except during summer months, skin makes negligible vitamin D from sunlight at latitudes above 37 degrees north or below 37 degrees south.
They kept one shaded in the morning so that it only reached a relatively cool 124.3 degrees F (51.3 degrees C), and left the other exposed to full sunlight so it heated up to about 135 degrees F (57.2 degrees C).
This planet receives very little sunlight, so temperatures hover around 4 degrees Celsius (39 degrees Fahrenheit) regardless of the time of year, and atmospheric pressure is, on average, a crushing 400 times greater than our own.
In direct sunlight, the grass was 100 degrees.
