Official NWS Observations By Dr. Greg Latta, Official NWS Observer December, 1997 ------------------------------------------------------------------------ Temperatures: TMax = Maximum temperature between 7 A.M. the previous day and 7 A.M. on the day indicated. TMin = Minimum temperature between 7 A.M. the previous day and 7 A.M. on the day indicated. TCur = Current temperature at 7 A.M. on the day indicated. All temperatures are in degrees Fahrenheit Month Day Year TMax TMin TCur 12 1 1997 48 30 30 12 2 1997 36 26 29 12 3 1997 35 26 30 12 4 1997 48 29 45 12 5 1997 45 28 28 12 6 1997 31 17 17 12 7 1997 24 17 23 12 8 1997 28 23 27 12 9 1997 30 23 26 12 10 1997 31 26 30 12 11 1997 37 30 32 12 12 1997 33 31 31 12 13 1997 33 23 23 12 14 1997 35 22 23 12 15 1997 31 22 29 12 16 1997 44 29 33 12 17 1997 58 33 35 12 18 1997 46 23 25 12 19 1997 46 25 39 12 20 1997 51 38 39 12 21 1997 47 28 28 12 22 1997 37 27 28 12 23 1997 39 27 39 12 24 1997 40 34 34 12 25 1997 35 32 35 12 26 1997 45 33 33 12 27 1997 36 28 28 12 28 1997 30 21 21 12 29 1997 30 16 16 12 30 1997 27 16 24 12 31 1997 28 19 19 ----------------------------------------------------------------------- Precipitation Amounts and Current Weather: RainEq = Rain or rain equivalent of melted snow, sleet, or ice. SnowEtc = Amount of snowfall between 7 A.M. the previous day and 7 A.M. on the day indicated. SnowOnGround = Total average amount of snow on the ground at 7 A.M. on the day indicated. All precipitation amounts are in inches. "T" = Trace Current Weather = Current weather at 7 A.M. on the day indicated. See the chart below for a list of weather codes and their meanings. If more than one code applies the higher code is always used. Month Day Year RainEq SnowEtc SnowOnGround Current X.XX X.X X Weather 12 1 1997 0.61 0.0 0 3 12 2 1997 0.00 0.0 0 3 12 3 1997 0.00 0.0 0 2 12 4 1997 0.02 0.0 0 3 12 5 1997 0.03 T T 71 12 6 1997 0.02 0.5 1 2 12 7 1997 0.03 0.5 1 3 12 8 1997 0.05 0.3 T 3 12 9 1997 0.00 0.0 T 3 12 10 1997 0.05 0.0 T 61 12 11 1997 0.32 0.1 T 71 12 12 1997 T T T 3 12 13 1997 0.00 0.0 T 1 12 14 1997 0.00 0.0 0 2 12 15 1997 0.00 0.0 0 1 12 16 1997 0.00 0.0 0 1 12 17 1997 0.00 0.0 0 1 12 18 1997 0.00 0.0 0 1 12 19 1997 0.00 0.0 0 2 12 20 1997 0.00 0.0 0 1 12 21 1997 0.00 0.0 0 1 12 22 1997 0.00 0.0 0 3 12 23 1997 0.52 0.0 0 3 12 24 1997 0.01 0.0 0 3 12 25 1997 0.43 0.0 0 51 12 26 1997 0.02 0.0 0 3 12 27 1997 0.07 0.9 1 71 12 28 1997 0.14 1.8 3 3 12 29 1997 T T 3 3 12 30 1997 0.49 7.7 9 3 12 31 1997 0.10 3.7 11 73 Weather codes: 01 Clear Sky (few or no clouds) 02 Partly Cloudy 03 Mostly Cloudy/Cloudy (little or no blue sky or stars) 04 Smoke (resulting from forest fires) 05 Haze 07 Dust and/or Sand raised by the wind 10 Light fog (visibility greater than 1/2 mile) 13 Lightning (with no thunder heard) 17 Thunderstorm (with no rain or snow) 45 Fog (visibility less than 1/2 mile) 51 Drizzle (light) 53 Drizzle (moderate) 55 Drizzle (heavy) 61 Rain (light) 63 Rain (moderate) 65 Rain (heavy) 66 Rain (freezing) 68 Rain and Snow Mixed 71 Snow (light) 73 Snow (moderate) 75 Snow (heavy) 79 Sleet 80 Rain Showers 83 Mixed Showers of Rain and Snow 85 Snow Showers (light) 86 Snow Showers (moderate or heavy) 89 Hail (no thunder heard) 93 Thunderstorm with Rain 94 Thunderstorm with Snow 95 Thunderstorm with Rain and Snow 96 Thunderstorm with hail smaller than dime sized 97 Thunderstorm with heavy rain and/or heavy snow 99 Thunderstorm with hail larger than a dime ----------------------------------------------------------------------- Other Observations: A "1" indicates that the condition occurred somewhere between 7 A.M. the previous day and 7 A.M. on the day indicated. Month Day Year Fog Ice Glaze Thunder Hail Damaging Pellets Winds 12 1 1997 0 0 0 0 0 0 12 2 1997 0 0 0 0 0 0 12 3 1997 0 0 0 0 0 0 12 4 1997 0 0 0 0 0 0 12 5 1997 0 0 0 0 0 0 12 6 1997 0 0 0 0 0 0 12 7 1997 0 0 0 0 0 0 12 8 1997 0 0 0 0 0 0 12 9 1997 0 0 0 0 0 0 12 10 1997 1 0 0 0 0 0 12 11 1997 0 0 0 0 0 0 12 12 1997 0 0 0 0 0 0 12 13 1997 0 0 0 0 0 0 12 14 1997 0 0 0 0 0 0 12 15 1997 0 0 0 0 0 0 12 16 1997 0 0 0 0 0 0 12 17 1997 0 0 0 0 0 0 12 18 1997 0 0 0 0 0 0 12 19 1997 0 0 0 0 0 0 12 20 1997 0 0 0 0 0 0 12 21 1997 0 0 0 0 0 0 12 22 1997 0 0 0 0 0 0 12 23 1997 1 0 1 0 0 0 12 24 1997 0 0 0 0 0 0 12 25 1997 1 0 0 0 0 0 12 26 1997 1 0 0 0 0 0 12 27 1997 0 0 0 0 0 0 12 28 1997 0 0 0 0 0 0 12 29 1997 0 0 0 0 0 0 12 30 1997 0 0 0 0 0 0 12 31 1997 0 0 0 0 0 0