Precipitation - Measurement. 1  The standard way of measuring rainfall or snowfall is the standard rain gauge, which can be found in 100 mm (4 in) plastic and 200 mm (8 in) metal varieties. [74] 2  Other types of gauges include the popular wedge gauge (the cheapest rain gauge and most fragile), the tipping bucket rain gauge, and the weighing rain gauge.
Best lighting for indoor cannabis growing. LED lights. Indoor weed growing lighting methods have been changing lately do to technological developments and discoveries of how different light spectrums are used my cannabis plants.Simply sticking a bright light over your plants for the duration of their grow and flowering cycles is longer seen as adequate.ith the development of CFL grow lights the need of use of HID lighting has been by and large replaced. LED (Light Emitting Diodes) lights. The development of LED lights for growing is still in its infancy but holds the greatest promise for the future due to the huge saving in electricity costs.
As you may know CFL light can be as efficient in growing marijuana plants as HPS bulbs but you need a lot of them but that can be a very helpful thing because you can place them around the grow room and around your plants to maximize the light usage.rom these ratios you can see that the most efficient CFL bulbs are at the start of the range from 12 W to 45 W but 13 W bulbs are too weak and you would need a lot of them to grow cannabis so the best CFL lightbulb for growing marijuana is the 42 W one because it is the most efficient and will grow the biggest plants.