It depends on how you read it and what you will use the forecast for.
The almanac is not accurate enough to plan a construction project, outdoor wedding, agricultural harvest, or parade.
But if you don't care that much whether it snows in Maryland in early February or late January, then it may be statistically close enough for use 70% of the time. However, in hard-to-forecast areas like the Pacific Northwest, its accuracy—even with its disablingly vague language—is less than 50-50.
The almanac is not accurate enough to plan a construction project, outdoor wedding, agricultural harvest, or parade.
But if you don't care that much whether it snows in Maryland in early February or late January, then it may be statistically close enough for use 70% of the time. However, in hard-to-forecast areas like the Pacific Northwest, its accuracy—even with its disablingly vague language—is less than 50-50.