Seasonal Climate Cycles Solar Radiation at the Earth’s Surface

WEAK GRADIENTS IN SOUTHERN HEMISPHERE MAXIMUM INSOLATION AT SOUTH POLE JAN

WEAKER GRADIENTS AND WEAKER INSOLATION MAX HEATING IN SOUTHERN HEMISPHERE MID-LATITUDES FEB

WEAKEST GRADIENTS NEAR EQUATOR MAXIMUM HEATING NEAR EQUATOR MAR

WEAKEST GRADIENTS IN LOW LATITUDES STRONGEST HEATING MOVES INTO NORTHERN HEMISPHERE NORTH POLAR REGION RECEIVES AN INCREASE IN RADIATION APR

WEAK GRADIENTS IN NORTHERN HEMISPHERE MAXIMUM HEATING AT NORTH POLE MAY

MAXIMUM NORTHERN HEMISPHERE HEATING MINIMUM NORTHERN HEMISPHERE HEATING GRADIENT JUN

MAXIMUM HEATING MOVES TOWARD EQUATOR JUL

MAXIMUM HEATING MOVES FURTHER EQUATORWARD HEATING BEGINS IN SOUTHERN HEMISPHERE HEATING GRADIENT BEGINS TO STRENGTHEN IN NORTHERN HEMISPHERE AUG

MAXIMUM HEATING NEAR EQUATOR EXTREMELY WEAK GRADIENTS IN TROPICS HIGHER LATITUDE GRADIENTS ARE SIMILAR IN BOTH HEMISPHERES SEP

MAXIMUM HEATING MOVES INTO SOUTHERN HEMISPHERE OCT

INCREASED HEATING AT SOUTHERN MID LATITUDES NOV

MAXIMUM HEATING AT SOUTH POLE, SOUTHERN CONTINENTS DEC