Official NWS Observations By Dr. Greg Latta, Official NWS Observer December, 1999 ------------------------------------------------------------------------ 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 1999 27 15 15 12 2 1999 28 14 23 12 3 1999 48 22 42 12 4 1999 58 41 48 12 5 1999 53 45 46 12 6 1999 63 45 47 12 7 1999 48 28 30 12 8 1999 35 23 28 12 9 1999 56 28 36 12 10 1999 54 35 40 12 11 1999 52 27 28 12 12 1999 38 24 28 12 13 1999 41 28 34 12 14 1999 36 33 35 12 15 1999 39 35 36 12 16 1999 41 32 32 12 17 1999 35 25 25 12 18 1999 43 24 29 12 19 1999 43 29 31 12 20 1999 34 30 33 12 21 1999 46 25 25 12 22 1999 28 20 20 12 23 1999 28 20 27 12 24 1999 32 9 9 12 25 1999 19 8 11 12 26 1999 28 10 28 12 27 1999 31 19 19 12 28 1999 24 12 12 12 29 1999 22 12 19 12 30 1999 37 18 37 12 31 1999 45 33 38 ----------------------------------------------------------------------- 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. 0.001 inches = 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 1999 0.010 0.400 1.000 1 12 2 1999 0.000 0.000 0.001 1 12 3 1999 0.000 0.000 0.000 1 12 4 1999 0.001 0.000 0.000 3 12 5 1999 0.000 0.000 0.000 1 12 6 1999 0.001 0.000 0.000 2 12 7 1999 0.001 0.000 0.000 3 12 8 1999 0.001 0.001 0.000 1 12 9 1999 0.000 0.000 0.000 2 12 10 1999 0.000 0.000 0.000 3 12 11 1999 0.460 0.000 0.000 1 12 12 1999 0.000 0.000 0.000 2 12 13 1999 0.020 0.000 0.000 61 12 14 1999 0.620 0.000 0.000 63 12 15 1999 0.570 0.001 0.000 10 12 16 1999 0.000 0.000 0.000 3 12 17 1999 0.001 0.001 0.000 1 12 18 1999 0.000 0.000 0.000 2 12 19 1999 0.000 0.000 0.000 3 12 20 1999 0.080 0.000 0.000 51 12 21 1999 0.130 0.000 0.000 3 12 22 1999 0.001 0.001 0.001 2 12 23 1999 0.000 0.000 0.000 3 12 24 1999 0.001 0.100 0.001 1 12 25 1999 0.001 0.001 0.001 2 12 26 1999 0.000 0.000 0.000 1 12 27 1999 0.040 0.900 1.000 2 12 28 1999 0.030 1.400 2.000 2 12 29 1999 0.040 0.600 2.000 2 12 30 1999 0.000 0.000 1.000 1 12 31 1999 0.000 0.000 0.000 3 Current 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 1999 0 0 0 0 0 0 12 2 1999 0 0 0 0 0 0 12 3 1999 0 0 0 0 0 0 12 4 1999 0 0 0 0 0 0 12 5 1999 0 0 0 0 0 0 12 6 1999 0 0 0 0 0 0 12 7 1999 0 0 0 0 0 0 12 8 1999 0 0 0 0 0 0 12 9 1999 0 0 0 0 0 0 12 10 1999 0 0 0 0 0 0 12 11 1999 0 0 0 0 0 0 12 12 1999 0 0 0 0 0 0 12 13 1999 0 0 0 0 0 0 12 14 1999 1 0 0 0 0 0 12 15 1999 1 1 0 0 0 0 12 16 1999 1 0 0 0 0 0 12 17 1999 0 0 0 0 0 0 12 18 1999 0 0 0 0 0 0 12 19 1999 0 0 0 0 0 0 12 20 1999 1 0 0 0 0 0 12 21 1999 1 0 0 0 0 0 12 22 1999 0 0 0 0 0 0 12 23 1999 0 0 0 0 0 0 12 24 1999 0 0 0 0 0 0 12 25 1999 0 0 0 0 0 0 12 26 1999 0 0 0 0 0 0 12 27 1999 0 0 0 0 0 0 12 28 1999 0 0 0 0 0 0 12 29 1999 0 0 0 0 0 0 12 30 1999 0 0 0 0 0 0 12 31 1999 0 0 0 0 0 0