NullPointerException: id == null in Stormy

package com.joshbgold.WeatherBuddy;

import android.os.Parcel;
import android.os.Parcelable;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

public class Day implements Parcelable{
    private long mTime;
    private String mSummary;
    private String mIcon;
    private String mTimezone;

    private double mTemperatureMax;
    private double mTemperatureMin;
    private String mTimeZone;
    private long mSunrise;
    private long mSunset;
    private double mMoonPhase;

    public long getTime() {
        return mTime;
    }

    public void setTime(long time) {
        mTime = time;
    }

    public String getSummary() {
        return mSummary;
    }
    public void setSummary(String summary) {
        mSummary = summary;
    }

    public int getTemperatureMax() {
        return (int)Math.round(mTemperatureMax);
    }

    public void setTemperatureMax(double temperatureMax) {
        mTemperatureMax = temperatureMax;
    }

    public String getIcon() {
        return mIcon;
    }

    public void setIcon(String icon) {
        mIcon = icon;
    }

    public String getTimeZone() {
        return mTimeZone;
    }

    public void setTimeZone(String timeZone) {
        mTimeZone = timeZone;
    }

    public int getIconId() {
        return Forecast.getIconId(mIcon);
    }

    public String getDayOfTheWeek() {
        SimpleDateFormat formatter = new SimpleDateFormat("EEEE");
        formatter.setTimeZone(TimeZone.getTimeZone(mTimezone));
        Date dateTime = new Date(mTime * 1000);
        return formatter.format(dateTime);
    }

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeLong(mTime);
        dest.writeString(mSummary);
        dest.writeDouble(mTemperatureMax);
        dest.writeString(mIcon);
        dest.writeString(mTimezone);
    }

    private Day(Parcel in) {
        mTime = in.readLong();
        mSummary = in.readString();
        mTemperatureMax = in.readDouble();
        mIcon = in.readString();
        mTimezone = in.readString();
    }

    public Day() { }

    public static final Creator<Day> CREATOR = new Creator<Day>() {
        @Override
        public Day createFromParcel(Parcel source) {
            return new Day(source);
        }

        @Override
        public Day[] newArray(int size) {
            return new Day[size];
        }
    };

    public String getMoonPhaseDescription() {

        String phaseDescription;
        if (mMoonPhase == 0) {
            phaseDescription = "new moon";
        } else if (mMoonPhase > 0 && mMoonPhase < 0.25) {
            phaseDescription = "waxing crescent";
        } else if (mMoonPhase == 0.25) {
            phaseDescription = "first quarter";
        } else if (mMoonPhase > 0.25 && mMoonPhase < 0.5) {
            phaseDescription = "waxing gibbous";
        } else if (mMoonPhase == 0.5) {
            phaseDescription = "full moon";
        } else if (mMoonPhase > 0.5 && mMoonPhase < 0.75) {
            phaseDescription = "waning gibbous";
        } else if (mMoonPhase == 0.75) {
            phaseDescription = "last quarter";
        } else if (mMoonPhase > 0.75 && mMoonPhase < 1) {
            phaseDescription = "waning crescent";
        } else phaseDescription = "--";

        return phaseDescription;
    }

    public void setMoonPhase(double moonPhase) {
        mMoonPhase = moonPhase;
    }

    public long getSunrise() {
        return mSunrise;
    }

    public String getFormattedSunriseTime(){  //converts Unix time we receive from API, to human readable time
        SimpleDateFormat formatter = new SimpleDateFormat("h:mm");
        formatter.setTimeZone(TimeZone.getTimeZone(getTimeZone()));
        Date dateTime = new Date(getSunrise() * 1000);

        return formatter.format(dateTime);
    }

    public void setSunrise(long sunrise) {
        mSunrise = sunrise;
    }

    public long getSunset() {
        return mSunset;
    }

    public String getFormattedSunsetTime(){  //converts Unix time we receive from API, to human readable time
        SimpleDateFormat formatter = new SimpleDateFormat("h:mm");
        formatter.setTimeZone(TimeZone.getTimeZone(getTimeZone()));
        Date dateTime = new Date(getSunset() * 1000);

        return formatter.format(dateTime);
    }

    public void setSunset(long sunset) {
        mSunset = sunset;
    }

    public double getTemperatureMin() {
        return (int)Math.round(mTemperatureMin);
    }

    public void setTemperatureMin(double temperatureMin) {
        mTemperatureMin = temperatureMin;
    }

}

package com.joshbgold.WeatherBuddy;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

/**
 * Created by JoshG on 11/25/2015.
 */
public class DayAdapter extends BaseAdapter {

    private Context mContext;
    private Day[] mDays;

    public DayAdapter(Context context, Day[] days) {
        mContext = context;
        mDays = days;
    }

    @Override
    public int getCount() {
        return mDays.length;
    }

    @Override
    public Object getItem(int position) {
        return mDays[position];
    }

    @Override
    public long getItemId(int position) {
        return 0; // we aren't going to use this. Tag items for easy reference
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;

        if (convertView == null) {
            // brand new
            convertView = LayoutInflater.from(mContext).inflate(R.layout.daily_list_item, null);
            holder = new ViewHolder();
            holder.iconImageView = (ImageView) convertView.findViewById(R.id.iconImageView);
            holder.temperatureLabel = (TextView) convertView.findViewById(R.id.temperatureLabel);
            holder.dayLabel = (TextView) convertView.findViewById(R.id.dayLabel);

            convertView.setTag(holder);
        }
        else {
            holder = (ViewHolder) convertView.getTag();
        }

        Day day = mDays[position];

        //holder.iconImageView.setImageResource(Day.getIconId());
        holder.temperatureLabel.setText(day.getTemperatureMax() + "");

        if (position == 0) {
            holder.dayLabel.setText("Today");
        }
        else {
            holder.dayLabel.setText(day.getDayOfTheWeek());
        }

        return convertView;
    }

    private static class ViewHolder {
        ImageView iconImageView; // public by default
        TextView temperatureLabel;
        TextView dayLabel;
    }
}