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Definition
Located in an open area so the rain can fall in it.
Raised above ground so rain does not splash into it.
Rain collected, transferred into measuring cylinder and total precipitation measured. |
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Definition
| Shows the present temperature |
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Definition
| Thermometer filled with mercury that once has been forced past a cirtain point will stay and thus keep the highest temp. recorded. |
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Definition
| Thermometer filled with alcohol and containing a metal indicator. Once the indicator has falllen to a cirtain temp (as alcohol falls) it sticks and the minimum temp is recorded. |
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Definition
| A white box with slated sides in which various weather instruments are kept (wet dry bulb thermometer, and min/max thermometer). Built one metre above the ground so that the surroundings do not interfere. It is painted white to reflect the sun light. |
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Definition
| Measures wind direction. Arrow points to where wind is coming from. |
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Definition
| Measures wind speed as three cups rotate on a spindle. Mesures speed in Knots. |
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| Measures humidity. consistes of wet and dry bulb thermometer. Temperatures from the 2 different thermometers are subtracted from each other and the humidity can be found. |
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Definition
| Just a normal thermometer |
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Definition
| A regular thermometer with wet muslin wrapped around the bulb. As the water evaporates the temp. slightly decreases. |
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Definition
| Records air pressurein millibars onto graph paper attatched to a rotating drum. |
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