Privacy Policy
Effective Date: March 1, 2026
1. Overview
This Privacy Policy describes how GDD Pro ("Service," "we," "us," or "our") collects, uses, and discloses information about you when you access or use our website and services for Growing Degree Days analysis.
2. Information Collection
2.1 Information You Provide Directly
Account Registration. When you create an account, we collect your email address, username, and password. You may optionally provide additional profile information.
Location Queries. When searching for weather stations, you may enter any geographic location. This location data is used temporarily to identify nearby weather stations and is not retained after station selection.
User Communications. We collect information you provide when contacting us for support or feedback.
2.2 Information from Third-Party Services
OAuth Authentication. If you authenticate using Google, we receive your basic profile information including name and email address. We do not access your contacts, posts, or other private content.
Google API Services. GDD Pro's use and transfer of information received from Google APIs adheres to Google API Services User Data Policy, including the Limited Use requirements.
2.3 Information Collected Automatically
Usage Data. We collect information about your interactions with the Service, including features accessed, charts created, and settings configured.
Device and Log Information. We automatically collect certain technical information, including IP address, browser type, operating system, and access times.
Analytics Data. We use Google Analytics to understand how visitors interact with our Service. Google Analytics collects information such as how often you visit, which pages you view, and what other sites you visited prior to coming to our Service. We use this information to improve our Service and user experience. Google Analytics collects your IP address, but we have enabled IP anonymization. For more information on how Google uses this data, see Google's Privacy Policy.
3. Use of Information
We use collected information to:
- Provide, maintain, and improve the Service
- Process and complete transactions
- Send technical notices and support messages
- Respond to comments and questions
- Prevent fraud and enhance security
- Comply with legal obligations
4. Information Sharing and Disclosure
We do not sell, rent, or trade your personal information. We may share information in the following circumstances:
Service Providers. We engage third-party companies to perform services on our behalf, including:
- Resend for email delivery
- Microsoft Azure for data storage and hosting
- Google Analytics for website analytics and usage statistics
Legal Requirements. We may disclose information if required by law or in response to valid legal process.
Business Transfers. Information may be transferred in connection with a merger, acquisition, or sale of assets.
Aggregated Information. We may share aggregated or de-identified information that cannot reasonably identify you.
5. Data Retention
We retain personal information for as long as necessary to provide the Service and fulfill the purposes described in this Privacy Policy:
- Account information: Duration of account existence plus 30 days
- Location search data: Deleted immediately after station selection
- Weather station selections: Retained until deleted by user
- Technical logs: 12 months
6. Data Security
We implement administrative, technical, and physical safeguards designed to protect your information, including HTTPS encryption, secure password hashing, and regular security assessments. However, no method of electronic transmission or storage is completely secure.
7. Your Rights and Choices
7.1 Access and Portability
You may access and export your account information and GDD data at any time through your account settings.
7.2 Correction and Deletion
You may update account information through your settings or request deletion of your account by contacting us.
7.3 Communications Preferences
You may opt out of promotional communications by following the unsubscribe instructions in those messages or updating your account preferences.
7.4 California Privacy Rights
California residents have additional rights under the California Consumer Privacy Act (CCPA), including:
- The right to know what personal information we collect, use, and disclose
- The right to delete personal information
- The right to opt-out of the sale of personal information (we do not sell personal information)
- The right to non-discrimination
We respond to recognized Global Privacy Control (GPC) signals.
7.5 European Privacy Rights
If you are located in the European Economic Area, you have additional rights under the General Data Protection Regulation (GDPR), including:
- The right to access, update, or delete your information
- The right to rectification and portability
- The right to object to or restrict processing
- The right to withdraw consent
- The right to file a complaint with supervisory authorities
Our legal basis for processing includes consent, contractual necessity, and legitimate interests.
8. Cookies and Tracking Technologies
Essential Cookies. We use essential cookies necessary for Service functionality, including authentication and session management.
Analytics Cookies. We use Google Analytics, which places cookies on your device to help us analyze how visitors use our Service. The information generated by these cookies (including your anonymized IP address) is transmitted to and stored by Google on servers in the United States.
Your Choices. You can control cookies through your browser settings. Additionally, you can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on. Please note that disabling cookies may limit certain features of the Service.
9. Children's Privacy
The Service is not directed to individuals under 16 years of age. We do not knowingly collect personal information from children under 16.
10. International Data Transfers
Your information may be transferred to and processed in countries other than your country of residence. We implement appropriate safeguards for international data transfers as required by applicable law.
11. Changes to This Policy
We may update this Privacy Policy periodically. We will notify you of material changes by posting the updated policy on the Service and updating the effective date.
12. Contact Information
For questions about this Privacy Policy or our privacy practices, contact us at:
Email: [email protected]
To submit a privacy request, email us from your registered account email address for identity verification. We will respond within the timeframe required by applicable law.