Your Old Farmer's Almanac is a load of pooh. Look at what they predicted for various weeks of 2007 in Boston (or the Atlantic Corridor)
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[Jan 1-8: Snow south, then very cold.]
actual data:
Max: Avg: Min: Sum:
Temperature:
Max Temperature 69 °F 54 °F 45 °F
Mean Temperature 60 °F 48 °F 40 °F
Min Temperature 51 °F 40 °F 33 °F
Precipitation 0.86 in 0.22 in 0.00 in 1.51 in
Snowdepth 0.0 in 0.0 in 0.0 in -
summary: incredibly warm, no snow.
[March 5-12: Heavy rain, then sunny, seasonable]
actual data:
Max: Avg: Min: Sum:
Max Temperature 55 °F 38 °F 23 °F
Mean Temperature 46 °F 28 °F 15 °F
Min Temperature 39 °F 18 °F 5 °F
Precipitation 0.27 in 0.04 in 0.00 in 0.27 in
Snowdepth 0.0 in 0.0 in 0.0 in -
summary: light occasional rain, bitter cold most days.
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Quite useful, that Old Farmer's Almanac! About the only thing you can predict is that there will be weather, of some kind, on April 16th. I keep my copy right where it belongs, on top of the toilet tank.