Weather Data 2011/12 Season
This data is collected daily between 6am and 8am for the previous 24 hours at 800m in Ochikura near Tsugaike ski area. In general, my weather station is in an area that receives more snow than the same altitude further south in the valley, for example towards Goryu ski area.
I have not included any wind data as a reading taken at precisely 6am at 800m is of little value when determining conditions where most skiing takes place. I recommend checking the hourly telemetry data here (link coming soon).
"Rain Altitude" is given if it rained at anytime in the preceding 24h hours. Sometimes it is an estimate, other times it is based on observation.
For more detailed commentary and field observations click on the blue date field.
For historical comparisons checkout this chart
| Date | Cloud Cover | Precip type and rate | Rain Altitude | 6am temp | Max temp | Min temp | 24hr New Snow | Storm New Snow | New water equiv | New Snow Density | Snow Depth | Baro Pressure |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20120214 | Overcast | Nil | ~ | 0C | 1C | -3C | 8cm | 8cm | 9mm | 111kg/m3 | 188cm | 920mbar |
| 20120213 | Overcast | Nil | ~ | -8C | -3C | -12C | 11cm | 11cm | 9mm | 81kg/m3 | 187cm | 924mbar |
| 20120211 | Overcast | S < 1cm/hr | ~ | -4C | -3C | -6C | 10cm | 10cm | 6mm | 64kg/m3 | 182cm | 921mbar |
| 20120211 | Obscured | S < 1cm/hr | ~ | -6C | -2C | -6C | 30cm | 39cm | 22mm | 75kg/m3 | 195cm | 920mbar |
| 20120210 | Obscured | S < 1cm/hr | ~ | -6C | -4C | -6C | 12cm | 22cm | 11mm | 90kg/m3 | 183cm | 919mbar |
| 20120209 | Overcast | S < 1cm/hr | ~ | -6C | -1C | -7C | 10cm | 15cm | 10mm | 102kg/m3 | 175cm | 914mbar |
| 20120208 | Overcast | S < 1cm/hr | 1900m? | -4C | 3C | -4C | 10cm | 10cm | 8mm | 83kg/m3 | 175cm | 907mbar |
| 20120207 | Overcast | Rain - moderate | 2100m? | 2C | 3C | 1C | 0cm | 0cm | ~ | ~ | 173cm | 904mbar |
| 20120206 | Clear | Nil | ~ | -8C | 1C | -8C | 0cm | 0cm | ~ | ~ | 200cm | 922mbar |
| 20120205 | Scattered | Nil | ~ | -7C | -3C | -10C | 17cm | 17cm | 13mm | 75kg/m3 | 212cm | 925mbar |
| 20120204 | Overcast | S 1cm/hr | ~ | -7C | -1C | -8C | 6cm | 6cm | 4mm | 64kg/m3 | 212cm | 917mbar |
| 20120203 | Overcast | Nil | ~ | -8C | -8C | -13C | 14cm | 4cm | 14mm | 100kg/m3 | 223cm | 918mbar |
| 20120202 | Obscured | S < 1cm/hr | ~ | -9C | -3C | -9C | 73cm | 75cm | 60mm | 82kg/m3 | 232cm | 908mbar |
| 20120201 | Obscured | S 2cm/hr | ~ | -6C | -3C | -11C | 10cm | 15cm | 9mm | 89kg/m3 | 189cm | 910mbar |
| 20120131 | Overcast | S < 1cm/hr | ~ | -7C | -3C | -7C | 7cm | 7cm | 6mm | 91kg/m3 | 190cm | 917mbar |
| 20120130 | Overcast | Nil | ~ | -7C | -6C | -8C | 29cm | 98cm | 22mm | 75kg/m3 | 199cm | 919mbar |
| 20120129 | Obscured | S 1cm/hr | ~ | -7C | -6C | -7C | 16cm | 83cm | 13mm | 80kg/m3 | 181cm | 921mbar |
| 20120128 | Obscured | S 1cm/hr | ~ | -6C | -5C | -7C | 35cm | 82cm | 25mm | 69kg/m3 | 190cm | 919mbar |
| 20120127 | Obscured | S 2cm/hr | ~ | -6C | -5C | -7C | 35cm | 68cm | 25mm | 71kg/m3 | 181cm | 917mbar |
| 20120126 | Overcast | S < 1cm/hr | ~ | -5C | -3C | -5C | 39cm | 50cm | 31mm | 80kg/m3 | 164cm | 914mbar |
| 20120125 | Obscured | S < 1cm/hr | ~ | -5C | -2C | -6C | 16cm | 21cm | 12mm | 76kg/m3 | 135cm | 911mbar |
| 20120124 | Obscured | S < 1cm/hr | ~ | -6C | 1C | -7C | 10cm | 10cm | 6mm | 64kg/m3 | 122cm | 914mbar |
| 20120123 | Overcast | S < 1cm/hr | ~ | -1C | 4C | -2C | 2cm | 2cm | ~ | ~ | 118cm | 911mbar |
| 20120122 | Overcast | Nil | ~ | 0C | 1C | -2C | 3cm | 8cm | ~ | ~ | 121cm | 915mbar |
| 20120121 | Overcast | Nil | 1600? | -2C | 1C | -2C | 6cm | 11cm | 3mm | 47kg/m3 | 123cm | 919mbar |
| 20120120 | Overcast | S < 1cm/hr | ~ | -1C | 5C | -5C | 4cm | 4cm | 5mm | 127kg/m3 | 124cm | 921mbar |
| 20120119 | Scattered | Nil | ~ | -5C | 4C | -11C | 0cm | 0cm | ~ | ~ | 127cm | 926mbar |
| 20120118 | Clear | Nil | ~ | -10C | 0C | -11C | 0cm | 0cm | ~ | ~ | 132cm | 922mbar |
| 20120117 | Scattered | S < 1cm/hr | ~ | -8C | 0C | -9C | 0cm | 0cm | ~ | ~ | 138cm | 920mbar |
| 20120116 | Overcast | Nil | ~ | -5C | 1C | -6C | 13cm | 38cm | 11mm | 86kg/m3 | 147cm | 919mbar |
| 20120115 | Overcast | S < 1cm/hr | ~ | -5C | -2C | -6C | 17cm | 36cm | 9mm | 54kg/m3 | 151cm | 916mbar |
| 20120114 | Overcast | S < 1cm/hr | ~ | -6C | 2C | -6C | 30cm | 30cm | 20mm | 68kg/m3 | 148cm | 916mbar |
| 20120113 | Broken | Nil | ~ | -6C | -3C | -11C | 0cm | 0cm | ~ | ~ | 135cm | 916mbar |
| 20120112 | Few | Nil | ~ | -11C | -1C | -13C | 41cm | 58cm | 34mm | 84kg/m3 | 148cm | 923mbar |
| 20120111 | Obscured | S 2cm/hr | ~ | -2C | 2C | -5C | 9cm | 17cm | 6mm | 64kg/m3 | 120cm | 922mbar |
| 20120110 | Overcast | S < 1cm/hr | ~ | -3C | 2C | -5C | 4cm | 9cm | 3mm | 83kg/m3 | 118cm | 922mbar |
| 20120109 | Overcast | S < 1cm/hr | ~ | -4C | 0C | -9C | 7cm | 7cm | 4mm | 64kg/m3 | 120cm | 922mbar |
| 20120108 | Broken | Nil | ~ | -7C | -1C | -8C | 3cm | 3cm | ~ | ~ | 124cm | 929mbar |
| 20120107 | Broken | Nil | ~ | -6C | 1C | -9C | 18cm | 18cm | 13mm | 74kg/m3 | 133cm | 924mbar |
| 20120106 | Broken | Nil | ~ | -9C | -2C | -11C | 17cm | 56cm | 13mm | 75kg/m3 | 135cm | 923mbar |
| 20120105 | Obscured | S 1cm/hr | ~ | -5C | -1C | -6C | 54cm | 55cm | 48mm | 85kg/m3 | 136cm | 916mbar |
| 20120104 | Obscured | S 3cm/hr | ~ | -3C | 0C | -7C | 4cm | 4cm | ~ | ~ | 97cm | 907mbar |
| 20120103 | Scattered | Nil | ~ | -5C | -1C | -8C | 36cm | 36cm | 33mm | 92kg/m3 | 103cm | 915mbar |
| 20120102 | Obscured | Nil | ~ | -1C | 5C | -5C | 0cm | 0cm | ~ | ~ | 79cm | 912mbar |
| 20120101 | Overcast | Nil | ~ | -5C | 1C | -11C | 0cm | 0cm | ~ | ~ | 81cm | 922mbar |
| 20111231 | Few | Nil | ~ | -11C | -2C | -12C | 1cm | 1cm | ~ | ~ | 86cm | 921mbar |
| 20111230 | Broken | Nil | ~ | -4C | 2C | -7C | 16cm | 16cm | 12mm | 76kg/m3 | 94cm | 921mbar |
| 20111229 | Broken | Nil | ~ | -7C | 0C | -10C | 0cm | 0cm | ~ | ~ | 89cm | 921mbar |
| 20111228 | Few | Nil | ~ | -7C | -2C | -8C | 1cm | 72cm | ~ | ~ | 101cm | 928mbar |
| 20111227 | Broken | Nil | ~ | -6C | -4C | -6C | 36cm | 85cm | 25mm | 71kg/m3 | 115cm | 923mbar |
| 20111226 | Obscured | S 2cm/hr | ~ | -6C | -2C | -6C | 46cm | 70cm | 27mm | 60kg/m3 | 101cm | 916mbar |
| 20111225 | Overcast | S < 1cm/hr | ~ | -5C | 0C | -8C | 31cm | 31cm | 24mm | 78kg/m3 | 61cm | 912mbar |
| 20111224 | Few | Nil | ~ | -7C | -4C | -9C | 1cm | 1cm | ~ | ~ | 41cm | 913mbar |
| 20111223 | Broken | Nil | ~ | -4C | 2C | -5C | 24cm | 29cm | 20mm | 85kg/m3 | 50cm | 914mbar |
| 20111222 | Obscured | S < 1cm/hr | ~ | -1C | 3C | -5C | 6cm | 6cm | 4mm | 64kg/m3 | 34cm | 915mbar |
| 20111221 | Overcast | Nil | ~ | -5C | 0C | -8C | 1cm | 23cm | ~ | ~ | 34cm | 921mbar |
| 20111220 | Obscured | S 1cm/hr | ~ | -3C | 1C | -3C | 24cm | 30cm | 14mm | 58kg/m3 | 41cm | 923mbar |
| 20111219 | Obscured | S < 1cm/hr | ~ | -2C | 2C | -2C | 9cm | 13cm | 4mm | 50kg/m3 | 30cm | 919mbar |
| 20111218 | Overcast | S < 1cm/hr | ~ | 0C | 0C | -7C | 5cm | 5cm | 3mm | 64kg/m3 | 25cm | 922mbar |
| 20111217 | Broken | Nil | ~ | -2C | 0C | -5C | 23cm | 25cm | 19mm | 80kg/m3 | 25cm | 922mbar |
| 20111216 | Obscured | S 1cm/hr | 2300 | -1C | 9C | -1C | 9cm | 9cm | 6mm | 71kg/m3 | 9cm | 912mbar |
| 20111215 | Broken | Nil | ~ | 4C | 8C | -2C | 0cm | 0cm | ~ | ~ | 0cm | 916mbar |
| 20111214 | Clear | Nil | ~ | -2C | 0C | -4C | 0cm | 0cm | ~ | ~ | 0cm | 922mbar |
| 20111213 | Obscured | S < 1cm/hr | 1500 | 0C | 8C | 0C | 1cm | 1cm | ~ | ~ | 1cm | 926mbar |
| 20111212 | Overcast | S < 1cm/hr | ~ | 0C | 5C | 0C | 1cm | 1cm | ~ | ~ | 5cm | 922mbar |
| 20111211 | Few | Nil | ~ | 0C | 0C | -3C | 9cm | 9cm | 6mm | 64kg/m3 | 12cm | 919mbar |
| 20111210 | Few | Nil | ~ | -6C | 0C | -6C | 3cm | 7cm | ~ | ~ | 7cm | 922mbar |
| 20111209 | Overcast | S 1cm/hr | ~ | -3C | 1C | -3C | 6cm | 6cm | 3mm | 53kg/m3 | 6cm | 917mbar |