Station Overview Station Location
Station Number NY-CT-6 Latitude 42.092
Station Name Olean 1.2 NE Longitude -78.413
County Cattaraugus Elevation (ft) 1541



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 17 3.25 5.77 31 3.09 28 2.68 3 1 13 3 0.0 0 0
Nov 17 3.27 3.67 30 3.67 30 0.00 0 0 16 5 3.4 2 3
Dec 17 2.93 2.40 31 2.20 28 0.20 3 1 18 5 18.7 13 15
Jan 18 2.45 0.11 6 0.11 6 0.00 0 0 3 1 1.5 3 6
Feb 18 1.94 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 2.67 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 3.12 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 18 3.60 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 18 4.92 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 18 4.37 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 18 3.88 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 18 3.79 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 40.19" 11.95" 98 days 9.07" 92 2.88" 6 days 2 50 days 14 days 23.6" 18 days 24 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2017 0.01
10/2/2017 0.00
10/3/2017 0.00
10/4/2017 0.00
10/5/2017 0.17
10/6/2017 T
10/7/2017 0.01
10/8/2017 0.41
10/9/2017 0.58
10/10/2017 0.08
10/11/2017 0.00
10/12/2017 1.08
10/13/2017 0.02
10/14/2017 0.00
10/15/2017 0.01
10/16/2017 0.19
10/17/2017 T
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.00
10/23/2017 0.00
10/24/2017 0.49
10/25/2017 0.00
10/26/2017 T
10/27/2017 0.01
10/28/2017 **
10/29/2017 **
10/30/2017 2.68
10/31/2017 0.03
11/1/2017 T
11/2/2017 0.68
11/3/2017 0.41
11/4/2017 0.12
11/5/2017 0.04
11/6/2017 0.82
11/7/2017 0.03
11/8/2017 T
11/9/2017 0.00
11/10/2017 0.04
11/11/2017 T
11/12/2017 0.00
11/13/2017 T
11/14/2017 0.02
11/15/2017 0.00
11/16/2017 0.07
11/17/2017 0.03
11/18/2017 0.03
11/19/2017 1.04
11/20/2017 0.19
11/21/2017 T
11/22/2017 0.10
11/23/2017 0.01
11/24/2017 0.00
11/25/2017 0.00
11/26/2017 0.04
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.04
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.00
12/5/2017 0.12
12/6/2017 0.36
12/7/2017 T
12/8/2017 0.00
12/9/2017 T
12/10/2017 0.05
12/11/2017 0.04
12/12/2017 0.11
12/13/2017 0.15
12/14/2017 0.15
12/15/2017 0.01
12/16/2017 0.11
12/17/2017 0.09
12/18/2017 T
12/19/2017 T
12/20/2017 0.00
12/21/2017 T
12/22/2017 0.06
12/23/2017 0.24
12/24/2017 0.53
12/25/2017 **
12/26/2017 **
12/27/2017 0.20
12/28/2017 0.01
12/29/2017 0.01
12/30/2017 0.05
12/31/2017 0.07
Day of YearDaily PrcpMultiday Prcp
1/1/2018 T
1/2/2018 0.04
1/3/2018 0.00
1/4/2018 0.00
1/5/2018 0.01
1/6/2018 0.06
1/7/2018
1/8/2018
1/9/2018
1/10/2018
1/11/2018
1/12/2018
1/13/2018
1/14/2018
1/15/2018
1/16/2018
1/17/2018
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018
1/23/2018
1/24/2018
1/25/2018
1/26/2018
1/27/2018
1/28/2018
1/29/2018
1/30/2018
1/31/2018
2/1/2018
2/2/2018
2/3/2018
2/4/2018
2/5/2018
2/6/2018
2/7/2018
2/8/2018
2/9/2018
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018
2/16/2018
2/17/2018
2/18/2018
2/19/2018
2/20/2018
2/21/2018
2/22/2018
2/23/2018
2/24/2018
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018
3/3/2018
3/4/2018
3/5/2018
3/6/2018
3/7/2018
3/8/2018
3/9/2018
3/10/2018
3/11/2018
3/12/2018
3/13/2018
3/14/2018
3/15/2018
3/16/2018
3/17/2018
3/18/2018
3/19/2018
3/20/2018
3/21/2018
3/22/2018
3/23/2018
3/24/2018
3/25/2018
3/26/2018
3/27/2018
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018
4/12/2018
4/13/2018
4/14/2018
4/15/2018
4/16/2018
4/17/2018
4/18/2018
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018
4/24/2018
4/25/2018
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018
5/1/2018
5/2/2018
5/3/2018
5/4/2018
5/5/2018
5/6/2018
5/7/2018
5/8/2018
5/9/2018
5/10/2018
5/11/2018
5/12/2018
5/13/2018
5/14/2018
5/15/2018
5/16/2018
5/17/2018
5/18/2018
5/19/2018
5/20/2018
5/21/2018
5/22/2018
5/23/2018
5/24/2018
5/25/2018
5/26/2018
5/27/2018
5/28/2018
5/29/2018
5/30/2018
5/31/2018
6/1/2018
6/2/2018
6/3/2018
6/4/2018
6/5/2018
6/6/2018
6/7/2018
6/8/2018
6/9/2018
6/10/2018
6/11/2018
6/12/2018
6/13/2018
6/14/2018
6/15/2018
6/16/2018
6/17/2018
6/18/2018
6/19/2018
6/20/2018
6/21/2018
6/22/2018
6/23/2018
6/24/2018
6/25/2018
6/26/2018
6/27/2018
6/28/2018
6/29/2018
6/30/2018
Day of YearDaily PrcpMultiday Prcp
7/1/2018
7/2/2018
7/3/2018
7/4/2018
7/5/2018
7/6/2018
7/7/2018
7/8/2018
7/9/2018
7/10/2018
7/11/2018
7/12/2018
7/13/2018
7/14/2018
7/15/2018
7/16/2018
7/17/2018
7/18/2018
7/19/2018
7/20/2018
7/21/2018
7/22/2018
7/23/2018
7/24/2018
7/25/2018
7/26/2018
7/27/2018
7/28/2018
7/29/2018
7/30/2018
7/31/2018
8/1/2018
8/2/2018
8/3/2018
8/4/2018
8/5/2018
8/6/2018
8/7/2018
8/8/2018
8/9/2018
8/10/2018
8/11/2018
8/12/2018
8/13/2018
8/14/2018
8/15/2018
8/16/2018
8/17/2018
8/18/2018
8/19/2018
8/20/2018
8/21/2018
8/22/2018
8/23/2018
8/24/2018
8/25/2018
8/26/2018
8/27/2018
8/28/2018
8/29/2018
8/30/2018
8/31/2018
9/1/2018
9/2/2018
9/3/2018
9/4/2018
9/5/2018
9/6/2018
9/7/2018
9/8/2018
9/9/2018
9/10/2018
9/11/2018
9/12/2018
9/13/2018
9/14/2018
9/15/2018
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018
9/21/2018
9/22/2018
9/23/2018
9/24/2018
9/25/2018
9/26/2018
9/27/2018
9/28/2018
9/29/2018
9/30/2018



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 8:00 AM 0.01 0.0 M 0.0 M 35° fog
10/2/2017 8:00 AM 0.00 0.0 M 0.0 M 35° fog
10/3/2017 8:00 AM 0.00 0.0 M 0.0 M 39° clear
10/4/2017 8:00 AM 0.00 0.0 M 0.0 M 50° clear
10/5/2017 8:00 AM 0.17 0.0 M 0.0 M 62° cloudy, sprinkling. Showers late yesterday and overnight.
10/6/2017 8:00 AM T 0.0 M 0.0 M 54° mostly cloudy. Trace of rain yesterday morning and light shower overnight.
10/7/2017 8:00 AM 0.01 0.0 M 0.0 M 62° overcast. Morning shower.
10/8/2017 8:00 AM 0.41 0.0 M 0.0 M 69° mostly cloudy, sprinkling. Trace of rain yesterday morning and overnight showers.
10/9/2017 8:00 AM 0.58 0.0 M 0.0 M 68° overcast, light rain falling. Rain since about 11:00 p.m. last night.
10/10/2017 8:00 AM 0.08 0.0 M 0.0 M 57° fog/overcast. On and off showers yesterday through late afternoon.
10/11/2017 8:00 AM 0.00 0.0 M 0.0 M 55° overcast
10/12/2017 8:00 AM 1.08 0.0 M 0.0 M 56° overcast, misting. Rain much of yesterday and more overnight.
10/13/2017 8:00 AM 0.02 0.0 M 0.0 M 53° mostly cloudy. Occasional light rain yesterday.
10/14/2017 8:00 AM 0.00 0.0 M 0.0 M 57° overcast
10/15/2017 8:00 AM 0.01 0.0 M 0.0 M 62° mostly cloudy. Overnight shower.
10/16/2017 8:00 AM 0.19 0.0 M 0.0 M 43° mostly cloudy. Wind, rain yesterday afternoon.
10/17/2017 8:00 AM T 0.0 M 0.0 M 31° fog. Brief shower yesterday morning. Overnight low 29°.
10/18/2017 8:00 AM 0.00 0.0 M 0.0 M 39° clear
10/19/2017 8:00 AM 0.00 0.0 M 0.0 M 43° clear
10/20/2017 8:00 AM 0.00 0.0 M 0.0 M 44° fog
10/21/2017 8:00 AM 0.00 0.0 M 0.0 M 37° mostly clear
10/22/2017 8:00 AM 0.00 0.0 M 0.0 M 44° mostly clear
10/23/2017 8:00 AM 0.00 0.0 M 0.0 M 53° scattered thin clouds; breezy.
10/24/2017 8:00 AM 0.49 0.0 M 0.0 M 55° mostly cloudy. Rain, strong wind overnight.
10/25/2017 8:00 AM 0.00 0.0 M 0.0 M 44° overcast
10/26/2017 8:00 AM T 0.0 M 0.0 M 37° cloudy. Trace of rain yesterday.
10/27/2017 8:00 AM 0.01 0.0 M 0.0 M 32° mostly (high thin) clouds. Shower yesterday afternoon.
10/31/2017 8:00 AM 0.03 0.0 M 0.0 M 37° scattered clouds. Occasional showers yesterday.
11/1/2017 8:00 AM T T M 0.0 M 39° overcast. Trace of overnight snow in gauge, but no accumulation on the ground.
11/2/2017 8:00 AM 0.68 T M M M 51° overcast, raining. Showers yesterday with a trace of snow, and more showers overnight.
11/3/2017 8:00 AM 0.41 0.0 M 0.0 M 55° overcast. Overnight rain continues.
11/4/2017 8:00 AM 0.12 0.0 M 0.0 M 30° cloudy. Rain yesterday morning.
11/5/2017 8:00 AM 0.04 0.0 M 0.0 M 49° overcast. Rain earlier this morning.
11/6/2017 8:00 AM 0.82 0.0 M 0.0 M 50° overcast, sprinkling. Showers yesterday (including some thunder) and overnight.
11/7/2017 8:00 AM 0.03 0.0 M 0.0 M 33° overcast. Rain yesterday morning.
11/8/2017 8:00 AM T T M T M 24° fog. Ground, foliage, rain gauge, etc. covered with a thin layer of frost. At first glance it looked like a dusting of snow. Ice crystals could be seen lazily falling towards the ground, so I am reporting this as new "snow."
11/9/2017 8:00 AM 0.00 0.0 M 0.0 M 26° thin overcast
11/10/2017 7:45 AM 0.04 0.8 M 1.0 M 22° mostly cloudy, light snow. Rain changing to snow overnight.
11/11/2017 8:00 AM T T M T M 12° mostly clear, cold.
11/12/2017 8:00 AM 0.00 0.0 M T M 24° mostly cloudy
11/13/2017 8:00 AM T 0.0 M 0.0 M 33° overcast
11/14/2017 8:00 AM 0.02 0.0 M 0.0 M 35° overcast. Morning rain.
11/15/2017 8:00 AM 0.00 0.0 M 0.0 M 27° partly cloudy
11/16/2017 8:00 AM 0.07 0.0 M 0.0 M 42° mostly cloudy. Rain last evening and into the morning.
11/17/2017 8:00 AM 0.03 0.0 M 0.0 M 29° mostly cloudy
11/18/2017 8:45 AM 0.03 0.0 M 0.0 M 39° overcast
11/19/2017 8:45 AM 1.04 T M 0.0 M 34°. Drizzling rain just turning to light snow. Rain yesterday.
11/20/2017 8:00 AM 0.19 2.6 M 3.0 M 29° light snow falling. Rain changed to snow yesterday afternoon, continuing overnight.
11/21/2017 8:00 AM T T M 1.0 M 40° mostly clear. Light snow yesterday morning.
11/22/2017 8:00 AM 0.10 T M T M 32° overcast, light snow falling. Rain late last night with light snow.
11/23/2017 8:00 AM 0.01 T M 0.0 M 24° overcast. Trace of snow yesterday morning.
11/24/2017 8:00 AM 0.00 0.0 M 0.0 M 28° clear
11/25/2017 8:00 AM 0.00 0.0 M 0.0 M 47° overcast
11/26/2017 8:00 AM 0.04 0.0 M 0.0 M 31° overcast. Rain yesterday.
11/27/2017 8:00 AM 0.00 0.0 M 0.0 M 37° mostly cloudy
11/28/2017 8:00 AM 0.00 0.0 M 0.0 M 34° clear
11/29/2017 8:00 AM 0.00 0.0 M 0.0 M 43° clear
11/30/2017 8:00 AM 0.00 0.0 M 0.0 M 30° clear
12/1/2017 8:00 AM 0.04 0.0 M 0.0 M 38° cloudy. Rain yesterrday afternoon - evening.
12/2/2017 8:00 AM 0.00 0.0 M 0.0 M 29° hazy overcast
12/3/2017 8:00 AM 0.00 0.0 M 0.0 M 27° clear
12/4/2017 8:00 AM 0.00 0.0 M 0.0 M 25° hazy overcast
12/5/2017 8:00 AM 0.12 0.0 M 0.0 M 42° raining. Rain began overnight.
12/6/2017 8:00 AM 0.36 0.0 M 0.0 M 26° clear. Rain yesterday
12/7/2017 8:00 AM T T M 0.0 M 27° overcast. Trace of snow yesterday.
12/8/2017 8:00 AM 0.00 0.0 M 0.0 M 20° scattered clouds
12/9/2017 8:00 AM T T M 0.0 M 17° partly cloudy. A few gentle meandering snow flakes yesterday.
12/10/2017 9:00 AM 0.05 1.4 M 1.0 M 26° overcast, gently snowing
12/11/2017 8:00 AM 0.04 1.1 M 1.5 M 26° overcast, and snowing lightly. Occasional light snow yesterday and overnight.
12/12/2017 8:00 AM 0.11 2.6 M 3.0 M 30° overcast, light snow. Most of the new snow fell overnight.
12/13/2017 8:00 AM 0.15 3.0 M 6.0 M 12° cloudy with a few flakes falling. Gusty winds yesterday created difficulty getting accurate snow measurements, so accumulation of new snow and depth of total snow are averages from several locations.
12/14/2017 7:45 AM 0.15 2.4 M 6.5 M 13° mostly cloudy. On and off snow yesterday.
12/15/2017 8:00 AM 0.01 0.3 M 5.5 M 9° mostly cloudy
12/16/2017 9:00 AM 0.11 2.8 M 7.5 M 26° light snow. On and off light snow over the past 24 hours, with most snow overnight.
12/17/2017 8:00 AM 0.09 1.1 M 6.5 M 22° overcast
12/18/2017 8:00 AM T 0.0 M 5.5 0.00 31° overcast, with light drizzle
12/19/2017 8:00 AM T 0.0 M 1.0 M 41° scattered clouds
12/20/2017 8:00 AM 0.00 0.0 M T M 31°
12/21/2017 8:00 AM T T M 0.0 M 25° partly cloudy. A few stray flakes yesterday.
12/22/2017 8:00 AM 0.06 0.0 M 0.0 M 32° overcast. Freezing rain overnight.
12/23/2017 9:00 AM 0.24 0.0 M 0.0 M 42° overcast, raining
12/24/2017 8:00 AM 0.53 1.0 M 1.0 M 27° overcast. Rain yesterday morning turned to snow in the afternoon. Ice on snow board introduced question of accuracy of this morning's new snow.
12/28/2017 8:00 AM 0.01 0.4 M 3.0 M minus 8°, clear. Faint ice crystals seen falling when looking towards the sun.
12/29/2017 8:00 AM 0.01 0.3 M 3.0 M 2° overcast, light snow
12/30/2017 9:00 AM 0.05 0.9 M 4.0 M 13° overcast, light snow
12/31/2017 8:00 AM 0.07 1.4 M 5.0 M Minus 6° overcast. Snow showers yesterday.
1/1/2018 8:00 AM T T M 4.5 M Minus 11° partly cloudy. Trace of snow overnight.
1/2/2018 8:00 AM 0.04 0.5 M 4.5 M 10° very light snow falling. Snow showers yesterday.
1/3/2018 8:00 AM 0.00 0.0 M 4.0 M minus 2° clear
1/4/2018 8:00 AM 0.00 0.0 M 4.0 M 14° overcast
1/5/2018 8:00 AM 0.01 0.2 M 4.0 M minus 1° partly cloudy. Light snow yesterday.
1/6/2018 8:50 AM 0.06 0.8 M 4.5 M 0° overcast, light snow. Bitter cold, windy yesterday.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/28/2017 10/30/2017 8:00 AM 3 2.68 0.0 0.00 Rain began Saturday afternoon 10-28, and continued off and on through all day Sunday 10-29 with more this morning, Monday 10-30.
12/25/2017 12/27/2017 8:00 AM 3 0.20 3.0 M Measurements taken on 12-27. Temperature minus 2°, with very faint ice crystals falling.



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground