Orange County’s tourism development tax revenue jumped in February to $34 million, or 4.3% higher compared to the same time last year. But officials say observes shouldn’t read too much into the number. “Before ‘leaping’ to conclusions, note that there were 29 days in February this year compared to 28 days in February last year,” Orange County Comptroller Phil Diamond said in a news release. “On average, the extra day would have generated about …