Weather station data for 2009/10 season

Please use the Weather Book menu on the right to find data from other seasons.

All data is daily for the 24hrs to 5.30am and taken from my personal weather station at 800m in Ochikura, Hakuba. Wind speed and direction is for 5am at 2080m on the Happo ridge

Most recent data at the top. The table may be sorted according to some of the columns. Move you mouse over the column headers to sort.

To view individual daily entries with comments click here

Precip type and rate: S means snow and the number following indicates the rate of snowfall per hour in cm. S-1 is les than 1cm/hr. S3 is 3 cm/hr.

Datesort iconCloud CoverPrecip type and rate24hr max temp24hr min temp7am temp24hr new snow (HN24)New snow from storm (HST)Snow height (HS)Weight of new snowWater equiv of new snowDensity new snowSurface crystal formSurface crystal sizeWind speedWind directionBaro Pressue
20100331ClearNil3C-5C3C0cm0cm128cm0gm0mm0kg/m3Decomposing1mmLightN927mbar
20100330ClearNil-1C-8C-5C16cm32cm142cm105gm13mm84kg/m3Decomposing1mmLightN928mbar
20100329ObscuredS-17C-3C-2C17cm17cm127cm95gm12mm71kg/m3New Snow2mmLightN920mbar
20100328OvercastNil6C-3C-1C1cm1cm110cm0gm0mm0kg/m3New Snow2mmModerateNW923mbar
20100327BrokenNil2C-9C-1C2cm6cm116cm0gm0mm0kg/m3New Snow2mmModerateNW924mbar
20100326ObscuredS-12C-2C-1C10cm10cm120cm50gm6mm64kg/m3New Snow2mmCalmn/a914mbar
20100325OvercastRain4C1C2C0cm0cm110cm0gm0mm0kg/m3Wet Grains2mmCalmn/a912mbar
20100324OvercastNil5C1C2C0cm0cm115cm0gm0mm0kg/m3Wet Grains2mmLightW922mbar
20100323OvercastNil4C-2C2C0cm0cm120cm0gm0mm0kg/m3New Snow2mmLightNW917mbar
20100322ClearNil6C-4C-2C33cm33cm139cm210gm27mm81kg/m3New Snow2mmExtremeNW919mbar
20100321OvercastNil20C3C4C0cm0cm106cm0gm0mm0kg/m3Wet Grains2mmExtremeSE902mbar
20100320ClearNil7C-2C7C0cm0cm121cm0gm0mm0kg/m3Crusts2mmLightSE912mbar
20100319OvercastNil6C-4C0C16cm16cm135cm75gm10mm60kg/m3New Snow2mmLightNW916mbar
20100318OvercastNil3C-3C3C0cm0cm124cm0gm0mm0kg/m3Crusts0mmLightNW920mbar
20100317BrokenNil8C-3C1C2cm2cm125cm0gm0mm0kg/m3New Snow1mmModerateW922mbar
20100316OvercastNil5C-2C1C3cm3cm146cm0gm0mm0kg/m3New Snow1mmModerateNW931mbar
20100316OvercastRain12C4C4C0cm0cm131cm0gm0mm0kg/m3Wet Grains2mmLightW909mbar
20100315BrokenNil6C-1C6C0cm0cm140cm0gm0mm0kg/m3Wet Grains2mmModerateW922mbar
20100313OvercastRain9C1C5C0cm0cm150cm0gm0mm0kg/m3Wet Grains2mmLightSE922mbar
20100312ClearNil2C-4C1C0cm0cm170cm0gm0mm0kg/m3Decomposing1mmLightW918mbar
20100311OvercastS-10C-6C-5C25cm55cm192cm130gm17mm66kg/m3New Snow2mmLightSE917mbar
20100310OvercastS-12C-2C2C27cm35cm173cm260gm33mm123kg/m3New Snow173mmLightS901mbar
20100309OvercastNil1C-3C-2C0cm17cm146cm0gm0mm0kg/m3New Snow2mmLightN916mbar
20100308OvercastNil2C-2C-2C12cm20cm147cm65gm8mm69kg/m3New Snow3mmLightSW927mbar
20100307ObscuredS13C-1C1C12cm12cm138cm70gm9mm74kg/m3New Snow2mmCalmn/a923mbar
20100306ObscuredRain11C4C4C0cm0cm130cm0gm0mm0kg/m3Wet Grains2mmLightSE918mbar
20100305BrokenNil4C4C1C0cm0cm134cm0gm0mm0kg/m3Wet Grains2mmLightE916mbar
20100304ObscuredS-14C-2C0C0cm0cm137cm0gm0mm0kg/m3Crusts2mmLightSW923mbar
20100303ScatteredNil8C-1C2C0cm0cm140cm0gm0mm0kg/m3Crusts2mmModerateW919mbar
20100302OvercastNil4C0C3C0cm0cm142cm0gm0mm0kg/m3Wet Grains2mmCalmn/a914mbar
20100301OvercastNil9C-1C3C0cm0cm147cm0gm0mm0kg/m3Wet Grains2mmLightSE915mbar
20100228ObscuredS16C-3C0C3cm3cm150cm0gm0mm0kg/m3New Snow2mmLightNW919mbar
20100227ObscuredNil7C2C3C0cm0cm152cm0gm0mm0kg/m3Wet Grains2mmLightN915mbar
20100226OvercastRain14C0C4C0cm0cm159cm0gm0mm0kg/m3Wet Grains2mmLightSW917mbar
20100225ClearNil13C-2C0C0cm0cm164cm0gm0mm0kg/m3Crusts2mmLightSW925mbar
20100224ClearNil9C-3C-1C0cm0cm17cm0gm0mm0kg/m3Crusts1mmLightNW923mbar
20100223ClearNil8C-7C-2C0cm0cm172cm0gm0mm0kg/m3Crusts1mmStrongNW923mbar
20100222ScatteredNil2C-7C-7C0cm7cm176cm0gm0mm0kg/m3Surface Hoar1mmLightSW918mbar
20100221FewNil3C-5C-4C10cm14cm183cm50gm6mm71kg/m3New Snow1mmLightSE925mbar
20100220OvercastS-12C-5C-5C2cm6cm176cm0gm0mm0kg/m3New Snow1mmExtremeNW918mbar
20100219OvercastS-14C-6C-4C1cm5cm176cm0gm0mm0kg/m3New Snow1mmModerateNW917mbar
20100218OvercastNil1C-6C-5C1cm8cm180cm0gm0mm0kg/m3New Snow2mmLightSW916mbar
20100217OvercastS-10C-7C-7C9cm12cm184cm50gm6mm71kg/m3New Snow2mmCalmn/a923mbar
20100216OvercastS-13C-2C-2C2cm2cm175cm0gm0mm0kg/m3New Snow1mmStrongNW914mbar
20100215OvercastNil3C-9C-2C0cm0cm176cm0gm0mm0kg/m3Decomposing1mmLightW924mbar
20100214BrokenNil0C-8C-8C1cm11cm179cm0gm0mm0kg/m3Decomposing2mmModerateW925mbar
20100213OvercastS-1-1C-5C-5C2cm14cm184cm0gm0mm0kg/m3New Snow3mmLightW920mbar
20100212OvercastS-11C-3C-3C13cm13cm184cm125gm16mm122kg/m3New Snow1mmStrongNW917mbar
20100210ObscuredRain8C1C1C0cm0cm183cm0gm0mm0kg/m3Wet Grains2mmModerateW916mbar
20100209ObscuredRain5C-9C1C1cm55cm203cm0gm0mm0kg/m3Wet Grains2mmLightSE919mbar
20100208Thin CloudNil-1C-11C-9C4cm80cm214cm0gm0mm0kg/m3New Snow2mmModerateW921mbar
20100207ObscuredS10-5C-8C-5C36cm95cm234cm255gm32mm90kg/m3New Snow1mmStrongNW923mbar
20100206ObscuredS3-2C-8C-8C54cm80cm216cm230gm29mm61kg/m3New Snow1mmModerateN910mbar
20100205OvercastS-1-1C-7C-5C9cm24cm170cm9gm15mm96kg/m3New Snow0mmLightSE916mbar
20100204OvercastS2-3C-8C-7C18cm20cm165cm129gm15mm96kg/m3New Snow2mmLightSE916mbar
20100203ObscuredS-13C-6C-5C6cm6cm156cm40gm5mm85kg/m3New Snow1mmLightSE912mbar
20100202OvercastNil3C-7C-6C10cm10cm155cm95gm12mm121kg/m3Decomposing2mmLightNW912mbar
20100201ObscuredNil7C-5C0C0cm0cm150cm0gm0mm0kg/m3Crusts2mmLightS920mbar
20100131FewNil4C-5C-4C0cm19cm155cm0gm0mm0kg/m3Decomposing2mmStrongNW921mbar
20100130OvercastNil2C-6C-4C14cm24cm162cm80gm10mm85kg/m3Decomposing2mmModerateW921mbar
20100129ObscuredS-14C0C0C9cm13cm154cm175gm22mm318kg/m3New Snow1mmLightSE913mbar
20100128ClearS14C-12C1C7cm7cm154cm84gm11mm85kg/m3New Snow3mmLightSE915mbar
20100127ClearNil-1C-12C-11C0cm20cm153cm0gm0mm0kg/m3Surface Hoar3mmModerateNW925mbar
20100126BrokenS-15C-7C-5C25cm30cm30cm147gm19mm62kg/m3New Snow2mmStrongNW919mbar
20100125ClearNil2C-8C-7C0cm0cm141cm0gm0mm0kg/m3Surface Hoar1mmLightW915mbar
20100124BrokenNil2C-6C-4C3cm20cm150cm0gm0mm0kg/m3New Snow3mmModerateNW921mbar
20100123OvercastS-10C-5C-4C22cm24cm156cm100gm13mm58kg/m3New Snow3mmModerateNW915mbar
20100122OvercastS-14C-6C-4C2cm2cm139cm0gm0mm0kg/m3New Snow2mmModerateNW917mbar
20100121OvercastRain9C-5C4C0cm0cm143cm0gm0mm0kg/m3Wet Grains1mmStrongNW910mbar
20100119BrokenNil2C-11C-3C1cm1cm163cm0gm0mm0kg/m3New Snow3mmStrongNW931mbar
20100118ClearNil-1C-13C-11C1cm1cm169cm0gm0mm0kg/m3Surface Hoar6mmStrongNW928mbar
20100117ClearNil-3C-14C-13C1cm56cm153cm0gm0mm0kg/m3Surface Hoar1mmExtremeNW929mbar
20100116ObscuredS3-1C-7C-7C34cm68cm190cm179gm23mm65kg/m3New Snow3mmModerateN926mbar
20100115ObscuredS1-4C-7C-6C15cm45cm167cm93gm12mm79kg/m3New Snow2mmLightSE922mbar
20100114OvercastNil-4C-8C-7C11cm30cm161cm100gm13mm116kg/m3New Snow1mmLightNE916mbar
20100113OvercastNil2C-6C-6C16cm20cm160cm85gm11mm68kg/m3New Snow1mmStrongSE903mbar
20100112OvercastNil2C-8C-3C0cm12cm151cm0gm0mm0kg/m3Facets1mmLightNW912mbar
20100111BrokenNil-1C-9C-8C9cm15cm159cm50gm6mm71kg/m3New Snow2mmLightNW918mbar
20100111ObscuredS-13C-2C-2C1cm1cm177cm0gm0mm0kg/m3New Snow1mmLightS920mbar
20100110OvercastS12C-6C-3C9cm9cm159cm35gm4mm50kg/m3New Snow2mmLightNW918mbar
20100109OvercastS-1-2C-7C-4C3cm3cm159cm0gm0mm0kg/m3New Snow2mmLightNW918mbar
20100108ScatteredNil1C-4C-4C16cm60cm168cm85gm11mm68kg/m3Decomposing1mmModerateNW914mbar
20100107OvercastNil-2C-7C-4C8cm54cm166cm40gm5mm64kg/m3Decomposing2mmStrongN910mbar
20100106OvercastS-1-2C-4C-3C47cm53cm177cm270gm34mm80kg/m3New Snow3mmModerateNW910mbar
20100105ObscuredS21C-9C-1C13cm13cm149cm72gm9mm71kg/m3New Snow3mmLightE905mbar
20100104BrokenNil-1C-10C-9C12cm38cm151cm50gm6mm53kg/m3New Snow2mmModerateNW915mbar
20100103ObscuredS31C-4C-2C46cm46cm164cm160gm20mm45kg/m3New Snow2mmLightSE910mbar
20100102OvercastNil-3C-6C-5C47cm107cm153cm310gm39mm84kg/m3New Snow1mmModerateNW909mbar
20100101OvercastS1-2C-7C-6C77cm90cm139cm380gm48mm63kg/m3New Snow2mmModerateNW905mbar
20091231ObscuredS16C-3C-2C12cm12cm68cm65gm8mm69kg/m3New Snow2mmLightS901mbar
20091230OvercastNil3C-6C-3C0cm0cm57cm0gm0mm0kg/m3Crusts2mmLightSW915mbar
20091229BrokenNil3C-3C-2C1cm2cm60cm0gm0mm0kg/m3New Snow2mmLightSE918mbar
20091228OvercastRain3C-3C1C0cm0cm59cm0gm0mm0kg/m3Wet Grains2mmModerateS909mbar
20091227OvercastNil6C-1C-1C0cm0cm63cm0gm0mm0kg/m3New Snow2mmLightSE919mbar
20091226OvercastS-11C-6C1C2cm2cm75cm0gm0mm0kg/m3New Snow2mmLightSE912mbar
20091225ClearNil4C-5C-5C0cm0cm88cm0gm0mm0kg/m3Crusts0mmLightNW922mbar
20091224OvercastNil3C-3C0C4cm4cm91cm20gm3mm85kg/m3Decomposing1mmStrongNW922mbar
20091223BrokenNil2C-12C-3C0cm0cm97cm0gm0mm0kg/m3Decomposing2mmModerateNW922mbar
20091222BrokenNil-2C-12C-9C4cm109cm109cm25gm3mm80kg/m3Surface Hoar1mmStrongNW920mbar
20091221OvercastS1-2C-5C-5C41cm131cm125cm225gm29mm70kg/m3New Snow2mmModerateNW914mbar
20091220OvercastS-1-2C-6C-2C23cm105cm104cm140gm18mm78kg/m3New Snow2mmModerateNW911mbar
20091219OvercastS4-4C-6C-6C83cm105cm113cm280gm36mm43kg/m3New Snow2mmLightNW910mbar
20091218OvercastS2-1C-4C-4C41cm48cm54cm250gm32mm78kg/m3New Snow3mmLightN908mbar
20091217OvercastS-12C-3C-2C11cm11cm17cm60gm8mm69kg/m3New Snow3mmLightN914mbar
20091216BrokenNil3C-3C1C2cm2cm8cm0gm0mm0kg/m3Decomposing1mmLightN915mbar
20091215BrokenNil4C-2C-3C17cm17cm17cm90gm11mm67kg/m3New Snow2mmModerateNW920mbar
2010020ClearNil4C-5C-4C0cm0cm153cm0gm0mm0kg/m3Surface Hoar2mmStrongW927mbar

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