"available at that time" is a correct and usable phrase in written English. It typically implies that something is accessible, able to be used, or available to purchase at a certain point in time. Example sentence: The limited-edition product was only available at that time, so I quickly ordered it before it sold out.
Then, because of technology availability and costs, viral load measurements were not available at that time.
(Fifa hadn't made their lists available at that time).
"They relied on the best information that was available at that time," Mr. Barbera said.
The numbers that you heard Ron Klain [another Gore lawyer] give were the numbers that were available at that time.
The state testing system is based on these standards and used the best theory and knowledge available at that time.
"We came to the conclusion that based on looking at everything available at that time, there were no prosecutable cases," Mr. Dillon said.
"Let me see if you are both available at that time," his computer tells him, then schedules the meeting into their calendars.
When I feel like I can't trust my brain 100%, Ludwig really comes in handy. It makes me translate and proofread faster and my output more reliable.
Claudia Letizia
Head Translator and Proofreader @ organictranslations.eu