Hwy 80 at Donner Summit Atmospheric Data: 12/12/2017 Summary  Detailed Graphs  Station List

  Temperature     Wind Precipitation Visibility
Timestamp Air Wet
Bulb
Dew-
point
24-hr
Max
24-hr
Min
Relative
Humidity
Atmospheric
Pressure
Avg
Speed
Avg
Dir
Spot
Speed
Spot
Dir
Max
Speed
Max
Dir
  Rate Situation Start End 1 hr 3 hr 6 hr 12 hr 24 hr   Situation
Date Time °F °F °F °F °F % in Hg mph ° mph ° mph ° Y/N in/hr text Date Time Date Time in in in in in mi text
12/12/2017 12:04 AM 25.16 21.74 12.56 47.30 32.00 58.0 Not Reported 2.91 N 1.57 N 4.03 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.45 Clear
12/12/2017 12:19 AM 24.62 21.56 13.46 47.30 32.00 62.0 Not Reported 3.36 NE 4.03 N 3.58 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 12:34 AM 24.26 21.20 12.92 47.30 32.00 61.0 Not Reported 3.13 N 2.91 N 4.03 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 12:49 AM 23.72 20.84 13.46 47.30 32.00 64.0 Not Reported 3.36 N 3.13 N 3.58 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 01:04 AM 24.08 21.02 13.10 47.30 32.00 62.0 Not Reported 3.13 N 3.58 N 4.03 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 01:19 AM 23.90 21.02 13.28 47.30 32.00 63.0 Not Reported 3.36 N 3.80 N 3.80 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 01:34 AM 24.08 21.20 13.46 47.30 32.00 63.0 Not Reported 3.58 NE 4.25 N 5.14 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 01:50 AM 24.26 21.20 12.92 47.30 32.00 61.0 Not Reported 4.03 N 3.80 N 4.70 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 02:04 AM 24.08 21.02 12.74 47.30 32.00 61.0 Not Reported 3.80 N 3.80 NE 4.47 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 02:20 AM 24.44 21.38 12.92 47.30 32.00 61.0 Not Reported 3.58 N 2.68 N 4.92 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.52 Clear
12/12/2017 02:35 AM 24.44 21.20 13.46 47.30 32.00 62.0 Not Reported 5.14 N 5.37 N 4.92 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 02:49 AM 24.44 21.02 11.84 47.30 32.00 58.0 Not Reported 5.59 N 5.59 NE 6.26 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.43 Clear
12/12/2017 03:04 AM 24.62 21.20 12.02 47.30 32.00 58.0 Not Reported 5.14 N 5.37 N 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.79 Clear
12/12/2017 03:19 AM 25.16 21.38 10.94 47.30 32.00 54.0 Not Reported 4.92 N 3.80 N 5.59 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.54 Clear
12/12/2017 03:34 AM 24.44 21.02 11.48 47.30 32.00 57.0 Not Reported 3.80 N 4.25 NE 5.59 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 03:49 AM 25.16 21.56 11.84 47.30 32.00 56.0 Not Reported 3.36 N 4.25 N 5.14 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 04:04 AM 24.44 21.02 11.84 47.30 32.00 58.0 Not Reported 4.92 N 5.82 N 5.82 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 04:19 AM 25.88 21.74 10.76 47.30 32.00 52.0 Not Reported 3.80 N 3.58 NE 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 04:34 AM 26.60 22.28 10.58 47.30 32.00 50.0 Not Reported 4.92 NE 5.82 N 5.59 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 04:49 AM 26.42 22.10 9.86 47.30 32.00 49.0 Not Reported 4.92 N 4.03 N 6.49 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.59 Clear
12/12/2017 05:05 AM 25.70 21.74 10.94 47.30 32.00 53.0 Not Reported 5.82 N 6.04 N 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.36 Clear
12/12/2017 05:19 AM 25.88 21.92 11.66 47.30 32.00 54.0 Not Reported 5.14 N 4.92 N 6.71 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.71 Clear
12/12/2017 05:34 AM 26.60 22.46 10.94 47.30 32.00 51.0 Not Reported 5.59 NE 5.59 N 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.67 Clear
12/12/2017 05:49 AM 25.52 21.74 11.66 47.30 32.00 55.0 Not Reported 4.70 N 5.82 N 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.31 Clear
12/12/2017 06:04 AM 25.70 21.92 11.84 47.30 32.00 55.0 Not Reported 4.25 N 4.70 N 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 06:19 AM 26.06 22.10 11.84 47.30 32.00 54.0 Not Reported 4.70 N 5.59 N 5.37 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.95 Clear
12/12/2017 06:34 AM 25.88 22.10 12.02 47.30 32.00 55.0 Not Reported 5.14 N 4.70 N 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 0.95 Clear
12/12/2017 06:50 AM 25.88 21.74 12.02 47.30 32.00 56.0 Not Reported 5.59 N 4.92 N 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.37 Clear
12/12/2017 07:04 AM 26.24 22.28 11.48 47.30 32.00 53.0 Not Reported 5.37 N 4.92 NE 6.49 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.99 Clear
12/12/2017 07:19 AM 26.60 22.64 11.84 47.30 32.00 53.0 Not Reported 6.26 N 5.59 NE 6.04 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.64 Clear
12/12/2017 07:34 AM 26.60 22.46 11.48 47.30 32.00 52.0 Not Reported 6.49 N 4.03 N 7.16 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.73 Clear
12/12/2017 07:49 AM 25.70 22.46 13.46 47.30 32.00 59.0 Not Reported 6.26 NE 5.82 N 7.38 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.63 Clear
12/12/2017 08:04 AM 28.40 23.90 12.74 47.30 32.00 51.0 Not Reported 2.68 N 1.57 N 4.92 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.59 Clear
12/12/2017 08:19 AM 27.68 23.90 14.90 47.30 32.00 58.0 Not Reported 2.91 N 2.91 NE 3.36 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 08:34 AM 30.02 25.70 15.44 47.30 32.00 54.0 Not Reported 3.13 N 3.13 NE 3.80 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 08:49 AM 31.64 26.60 15.26 47.30 32.00 50.0 Not Reported 3.36 NE 6.93 NE 5.37 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 09:04 AM 34.34 28.94 15.80 47.30 32.00 45.0 Not Reported 2.91 NE 3.36 N 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.15 Clear
12/12/2017 09:19 AM 40.10 32.18 17.24 47.30 32.00 39.0 Not Reported 5.14 N 4.70 N 6.04 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.59 Clear
12/12/2017 09:34 AM 42.80 33.08 13.64 47.30 32.00 30.0 Not Reported 4.70 N 6.26 N 5.59 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.91 Clear
12/12/2017 09:49 AM 45.50 34.16 10.94 47.30 32.00 24.0 Not Reported 6.71 N 6.93 N 7.83 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.99 Clear
12/12/2017 10:04 AM 46.58 34.70 10.94 47.30 32.00 23.0 Not Reported 6.49 N 6.26 N 7.38 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.73 Clear
12/12/2017 10:19 AM 48.56 35.78 10.40 47.30 32.00 21.0 Not Reported 6.26 N 5.59 N 6.93 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.63 Clear
12/12/2017 10:34 AM 50.36 37.04 12.02 47.30 32.00 21.0 Not Reported 6.04 N 6.49 N 6.49 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.63 Clear
12/12/2017 10:50 AM 50.54 37.40 13.28 47.30 32.00 23.0 Not Reported 6.26 NE 7.38 N 7.61 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.11 Clear
12/12/2017 11:04 AM 49.82 37.22 14.54 47.30 32.00 24.0 Not Reported 6.49 N 5.14 N 7.38 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.63 Clear
12/12/2017 11:19 AM 52.52 38.30 11.48 47.30 32.00 19.0 Not Reported 6.04 N 6.04 N 7.61 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.84 Clear
12/12/2017 11:34 AM 54.14 38.30 6.08 47.30 32.00 14.0 Not Reported 6.71 N 5.59 N 8.05 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.19 Clear
12/12/2017 11:49 AM 54.68 38.48 4.82 47.30 32.00 13.0 Not Reported 6.71 N 6.93 N 8.05 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.95 Clear
12/12/2017 12:04 PM 55.40 38.48 1.76 47.30 32.00 11.0 Not Reported 5.59 N 4.92 N 8.28 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.46 Clear
12/12/2017 12:19 PM 56.12 38.48 -1.84 47.30 32.00 9.0 Not Reported 5.14 N 3.58 NE 6.49 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.86 Clear
12/12/2017 12:34 PM 56.30 38.66 -1.66 47.30 32.00 9.0 Not Reported 6.71 N 6.04 N 6.93 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.14 Clear
12/12/2017 12:49 PM 56.84 38.66 -3.82 47.30 32.00 8.0 Not Reported 5.82 N 5.14 NE 7.16 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.01 Clear
12/12/2017 01:04 PM 56.84 38.48 -6.52 47.30 32.00 7.0 Not Reported 5.59 N 4.47 N 8.05 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.85 Clear
12/12/2017 01:20 PM 56.48 38.84 0.68 47.30 32.00 10.0 Not Reported 4.92 N 5.14 NE 6.71 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.23 Clear
12/12/2017 01:34 PM 56.66 38.66 -4.00 47.30 32.00 8.0 Not Reported 6.04 N 5.14 N 6.26 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.13 Clear
12/12/2017 01:49 PM 54.86 40.28 15.80 47.30 32.00 21.0 Not Reported 5.37 N 4.03 N 6.71 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.60 Clear
12/12/2017 02:04 PM 53.96 39.92 16.16 47.30 32.00 22.0 Not Reported 4.03 N 3.58 N 5.14 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.96 Clear
12/12/2017 02:19 PM 53.42 40.10 18.50 47.30 32.00 25.0 Not Reported 4.70 N 4.25 N 4.47 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.77 Clear
12/12/2017 02:34 PM 53.42 40.10 18.50 47.30 32.00 25.0 Not Reported 4.70 N 4.92 N 4.92 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.91 Clear
12/12/2017 02:49 PM 51.98 39.74 20.84 47.30 32.00 29.0 Not Reported 5.37 N 5.59 N 5.37 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.31 Clear
12/12/2017 03:04 PM 50.54 38.66 19.58 47.30 32.00 29.0 Not Reported 5.59 N 6.49 N 6.49 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 0.92 Clear
12/12/2017 03:19 PM 50.00 38.84 21.38 47.30 32.00 32.0 Not Reported 6.04 N 6.04 N 6.93 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 0.86 Clear
12/12/2017 03:34 PM 49.46 38.48 20.84 47.30 32.00 32.0 Not Reported 5.59 N 3.80 N 7.16 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.13 Clear
12/12/2017 03:49 PM 46.94 37.58 22.82 47.30 32.00 38.0 Not Reported 4.47 N 3.58 N 6.49 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.06 Clear
12/12/2017 04:04 PM 42.62 34.88 21.74 57.02 23.54 43.0 Not Reported 1.12 N 0.22 N 3.13 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.98 Clear
12/12/2017 04:19 PM 38.30 32.36 22.28 57.02 23.54 52.0 Not Reported 1.12 N 1.12 N 2.24 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.07 Clear
12/12/2017 04:34 PM 36.32 31.28 21.74 57.02 23.54 55.0 Not Reported 1.57 N 1.34 N 2.24 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.05 Clear
12/12/2017 04:49 PM 33.80 29.66 21.56 57.02 23.54 60.0 Not Reported 2.46 N 3.13 NE 3.13 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.36 Clear
12/12/2017 05:04 PM 32.72 28.94 21.20 57.02 23.54 62.0 Not Reported 3.36 N 3.58 NE 4.03 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.51 Clear
12/12/2017 05:19 PM 31.64 28.04 21.02 57.02 23.54 64.0 Not Reported 2.91 N 3.36 NE 4.03 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.06 Clear
12/12/2017 05:34 PM 30.74 27.14 19.76 57.02 23.54 63.0 Not Reported 4.03 N 3.80 NE 5.14 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.69 Clear
12/12/2017 05:49 PM 30.38 26.60 18.68 57.02 23.54 61.0 Not Reported 3.58 N 3.13 NE 4.47 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.48 Clear
12/12/2017 06:04 PM 29.48 25.88 17.78 57.02 23.54 61.0 Not Reported 3.13 N 3.13 N 4.03 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.93 Clear
12/12/2017 06:19 PM 29.12 25.52 17.42 57.02 23.54 61.0 Not Reported 3.13 N 2.91 N 4.03 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.27 Clear
12/12/2017 06:34 PM 29.30 25.52 16.88 57.02 23.54 59.0 Not Reported 3.36 N 3.36 N 4.03 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.36 Clear
12/12/2017 06:49 PM 28.76 24.98 16.34 57.02 23.54 59.0 Not Reported 3.36 N 3.13 N 3.80 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.73 Clear
12/12/2017 07:04 PM 29.48 25.34 15.44 57.02 23.54 55.0 Not Reported 2.91 N 3.36 N 4.25 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.33 Clear
12/12/2017 07:19 PM 29.66 25.52 15.98 57.02 23.54 56.0 Not Reported 3.13 N 2.46 NW 3.36 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 1.43 Clear
12/12/2017 07:34 PM 29.12 24.98 15.44 57.02 23.54 56.0 Not Reported 3.58 N 3.36 N 3.80 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.20 Clear
12/12/2017 08:04 PM 27.86 24.26 15.44 57.02 23.54 59.0 Not Reported 3.58 N 3.13 N 3.58 NW No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.79 Clear
12/12/2017 08:19 PM 27.68 24.08 15.26 57.02 23.54 59.0 Not Reported 3.13 N 2.68 S 4.25 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.08 Clear
12/12/2017 08:34 PM 28.40 24.44 14.72 57.02 23.54 56.0 Not Reported 2.46 N 2.91 N 3.80 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.56 Clear
12/12/2017 08:49 PM 27.14 23.36 14.00 57.02 23.54 57.0 Not Reported 3.13 N 2.68 N 3.58 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.66 Clear
12/12/2017 09:04 PM 27.68 23.54 13.28 57.02 23.54 54.0 Not Reported 2.91 N 3.36 N 4.25 NE No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.16 Clear
12/12/2017 09:19 PM 26.78 23.00 13.64 57.02 23.54 57.0 Not Reported 3.13 N 2.68 N 3.58 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.65 Clear
12/12/2017 09:34 PM 26.42 23.00 14.18 57.02 23.54 59.0 Not Reported 3.13 N 2.91 S 3.80 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.13 Clear
12/12/2017 09:49 PM 26.06 22.64 14.18 57.02 23.54 60.0 Not Reported 3.13 N 2.46 N 3.58 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.64 Clear
12/12/2017 10:04 PM 26.24 22.82 14.36 57.02 23.54 60.0 Not Reported 4.25 N 4.03 N 4.47 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.66 Clear
12/12/2017 10:19 PM 25.88 22.46 13.28 57.02 23.54 58.0 Not Reported 3.58 N 3.36 N 4.92 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.27 Clear
12/12/2017 10:34 PM 26.06 22.46 12.92 57.02 23.54 57.0 Not Reported 3.80 N 2.91 N 4.03 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.86 Clear
12/12/2017 10:49 PM 25.88 22.28 12.92 57.02 23.54 57.0 Not Reported 3.58 N 3.13 N 4.25 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.19 Clear
12/12/2017 11:04 PM 25.52 22.10 12.92 57.02 23.54 58.0 Not Reported 3.80 N 4.25 N 4.25 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 2.64 Clear
12/12/2017 11:19 PM 27.32 23.00 12.02 57.02 23.54 52.0 Not Reported 3.58 N 4.03 N 5.14 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.13 Clear
12/12/2017 11:34 PM 26.06 22.28 12.56 57.02 23.54 56.0 Not Reported 3.13 N 4.25 N 4.70 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 4.50 Clear
12/12/2017 11:49 PM 25.70 22.10 12.74 57.02 23.54 57.0 Not Reported 3.36 N 2.68 N 4.70 N No 0.000 No Precipitation     0.000 0.000 0.000 0.000 0.000 3.57 Clear