1 Rain season (all year): 1 January - 31 December; Rain season (Monsoon - NOT Monsoon "Season"): 15 June - 30 September (fixed by NWS - no longer relies on 3-day high DP duration).
5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).
6 Air Quality Index (AQI) data as provided by Arizona Department of Environmental Quality - data not available ~0000-0600 MST.
9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station's recorded maximum or a percentage of computed theoretical solar maximum using the station's location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.
10 Historical average only to day 25 of just the month of January for this station since 4/2006.
11 Historical average rain this season to day 25 of January for this station since 4/2006.
NWS Weather Forecast -
Outlook This Afternoon & Tonight
This Afternoon Sunny
NWS forecast: Sunny. High near 68, with temperatures falling to around 66 in the afternoon. West southwest wind around 5 mph.
Tonight
Clear
NWS forecast: Clear. Low around 42, with temperatures rising to around 44 overnight. East northeast wind 0 to 5 mph.
Heat Index - The apparent temperature that describes the combined effect of high temperatures and high levels of humidity, which reduces the body's ability to cool itself.
Weather Ready Nation
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