Fix NaN with zero values

pkg/provider/awn/provider.go

@@ -41,8 +41,8 @@ func MapAwnUpdate(awnUpdate *AmbientWeatherUpdate) *weather.WeatherUpdate {
 	return &weather.WeatherUpdate{
 		StationType:       awnUpdate.StationType,
 		DateUTC:           &updateTime,
-		TempOutdoorF:             awnUpdate.TempF,
-		HumidityOudoor:          awnUpdate.Humidity,
+		TempOutdoorF:      awnUpdate.TempF,
+		HumidityOudoor:    awnUpdate.Humidity,
 		WindSpeedMPH:      awnUpdate.WindGustMPH,
 		WindGustMPH:       awnUpdate.WindGustMPH,
 		MaxDailyGust:      awnUpdate.MaxDailyGust,
@@ -60,6 +60,7 @@ func MapAwnUpdate(awnUpdate *AmbientWeatherUpdate) *weather.WeatherUpdate {
 		BattOutdoorSensor: awnUpdate.BattOut,
 		BattIndoorSensor:  awnUpdate.BattIn,
 		BattRainSensor:    awnUpdate.BattRain,
+		BattCO2Sensor:     awnUpdate.BattCO2,
 		TempIndoorF:       awnUpdate.TempInF,
 		HumidityIndoor:    awnUpdate.HumidityIn,
 		BaromRelativeIn:   awnUpdate.BaromRelIn,

pkg/provider/awn/types.go

@@ -27,4 +27,5 @@ type AmbientWeatherUpdate struct {
 	BaromRelIn     float64 `json:"baromrelin,omitempty" schema:"baromrelin"`
 	BaromAbsIn     float64 `json:"baromabsin,omitempty" schema:"baromabsin"`
 	BattIn         int     `json:"battin,omitempty" schema:"battin"`
+	BattCO2        int     `json:"batt_co2,omitempty" schema:"batt_co2"`
 }

pkg/weather/enrich.go

@@ -13,7 +13,7 @@ func (u *WeatherUpdate) Enrich() {
 		u.WindChillF = CalculateWindChill(u.TempOutdoorF, u.WindSpeedMPH)
 	}
 
-	if u.DewPointF == 0 {
+	if u.DewPointF == 0 && (u.TempOutdoorF != 0 && u.HumidityOudoor != 0) {
 		u.DewPointF = CalculateDewPoint(u.TempOutdoorF, float64(u.HumidityOudoor))
 	}
 

pkg/weather/types.go

@@ -30,6 +30,7 @@ type WeatherUpdate struct {
 	BattOutdoorSensor int
 	BattIndoorSensor  int
 	BattRainSensor    int
+	BattCO2Sensor     int
 	BaromRelativeIn   float64
 	BaromAbsoluteIn   float64
 	// These fields may be calculated