CoCoRaHS Data Explorer

Viewing Station: OR-KL-23 : Altamont 0.4 WNW

Jan 1, 2017 - Mar 13, 20263,295 Total Observations

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Observation Data Tables

Date Range to Display

Daily Precip72
Multi-day Precip0
Significant Weather0
Hail0
Condition Monitoring0

2026-03-13

9:00 AM

0.00

0.0

44.3 degrees / 77% humidity / Dew Point 37.5 degrees / PM2.5 AQI 43 - Good / CLR / BFT-1- Light Air / Barometer falling at -0.1 mb/3hr / Overnight low temperature 32.2 degrees at 05:20 hours

2026-03-12

9:00 AM

0.00

0.0

40 degrees / 64% humidity / Dew Point 28.8 degrees / PM2.5 AQI 52 - Moderate / CLR / BFT-1- Light Air / Barometer rising at +0.2 mb/3hr / Overnight low temperature 32.2 degrees at 08:00 hours

2026-03-11

9:00 AM

0.00

0.0

32.5 degrees / 87% humidity / Dew Point 29.1 degrees / PM2.5 AQI 62 - Moderate / CLR / BFT-2 Light Breeze / Barometer rising at +1.3 mb/3hr / Overnight low temperature 25.3 degrees at 06:50 hours

2026-03-10

9:00 AM

0.00

0.0

34.2 degrees / 73% humidity / Dew Point 26.4 degrees / PM2.5 AQI 16 - Good / OVC Stratus / BFT-2 Light Breeze / Barometer rising at +1.2 mb/3hr / Overnight low temperature 32.4 degrees at 07:40 hours

2026-03-09

9:00 AM

0.00

0.0

45 degrees / 64% humidity / Dew Point 33.6 degrees / PM2.5 AQI 18 - Good / CLR / BFT-2 Light Breeze / Barometer rising at +0.1 mb/3hr / Overnight low temperature 33.6 degrees at 06:10 hours

2026-03-08

9:00 AM

0.00

0.0

46.6 degrees / 87% humidity / Dew Point 42.9 degrees / PM2.5 AQI 53 - Moderate / CLR / BFT-1- Light Air / Barometer falling at -0.4 mb/3hr / Overnight low temperature 33.6 degrees at 06:20 hours

2026-03-07

9:00 AM

0.00

0.0

36.9 degrees / 88% humidity / Dew Point 33.7 degrees / PM2.5 AQI 27 - Good / CLR / BFT-1- Light Air / Barometer rising at +0.1 mb/3hr / Overnight low temperature 34.7 degrees at 04:00 hours

2026-03-06

9:00 AM

0.00

0.0

34.9 degrees / 86% humidity / Dew Point 31.1 degrees / PM2.5 AQI 32 - Good / TRACE Cirrostratus / BFT-1- Light Air / Barometer rising at +0.9 mb/3hr / Overnight low temperature 25.5 degrees at 03:40 hours

2026-03-05

9:00 AM

0.06

37.9 degrees / 76% humidity / Dew Point 31 degrees / PM2.5 AQI 13 - Good / SCT Altostratus / BFT-2 Light Breeze / Barometer rising at +0.9 mb/3hr / Overnight low temperature 31.3 degrees at 06:30 hours

2026-03-04

9:00 AM

0.07

0.0

38.7 degrees / 83% humidity / Dew Point 34 degrees / PM2.5 AQI 11 - Good / OVC Nimbostratus / BFT-2 Light Breeze / Barometer rising at +1.2 mb/3hr / Overnight low temperature 37.0 degrees at 07:40 hours

2026-03-03

9:00 AM

0.0

34.7 degrees / 94% humidity / Dew Point 33.2 degrees / PM2.5 AQI 32 - Good / CLR / BFT-2 Light Breeze / Barometer rising at +0.8 mb/3hr / Overnight low temperature 30.4 degrees at 06:10 hours

2026-03-02

9:00 AM

0.20

0.0

39 degrees / 94% humidity / Dew Point 37.4 degrees / PM2.5 AQI 54 - Moderate / OVC Stratocumulus / BFT-1- Light Air / Barometer rising at +0.9 mb/3hr / Overnight low temperature 32.2 degrees at 07:10 hours

2026-03-01

8:00 AM

0.20

0.0

44.2 degrees / 93% humidity / Dew Point 42.3 degrees / PM2.5 AQI 25 - Good / OVC Nimbostratus / BFT-1- Light Air / Barometer rising at +0.3 mb/3hr / Overnight low temperature 41.8 degrees at 06:20 hours

2026-02-28

9:00 AM

0.0

40.3 degrees / 88% humidity / Dew Point 37 degrees / PM2.5 AQI 28 - Good / OVC Nimbostratus / BFT-2 Light Breeze / Barometer falling at -0.3 mb/3hr / Overnight low temperature 37.2 degrees at 06:50 hours

2026-02-27

9:00 AM

0.00

0.0

47.7 degrees / 68% humidity / Dew Point 37.7 degrees / PM2.5 AQI 81 - Moderate / SCT Cirrostratus / BFT-2 Light Breeze / Barometer rising at +0.9 mb/3hr / Overnight low temperature 32.4 degrees at 07:00 hours

2026-02-26

9:00 AM

0.00

0.0

40.3 degrees / 89% humidity / Dew Point 37.3 degrees / PM2.5 AQI 55 - Moderate / OVC Stratocumulus / BFT-1- Light Air / Barometer rising at +1.9 mb/3hr / Overnight low temperature 30.7 degrees at 04:00 hours

2026-02-25

9:00 AM

0.56

0.0

45.7 degrees / 92% humidity / Dew Point 43.5 degrees / PM2.5 AQI 18 - Good / SCT Stratus / BFT-2 Light Breeze / Barometer rising at +1.1 mb/3hr / Overnight low temperature 43.3 degrees at 04:10 hours

2026-02-24

9:00 AM

0.50

0.0

42.8 degrees / 93% humidity / Dew Point 40.9 degrees / PM2.5 AQI 26 - Good / OVC Nimbostratus / BFT- 0 Calm / Barometer rising at +0.2 mb/3hr / Overnight low temperature 41.4 degrees at 02:40 hours

2026-02-23

9:00 AM

0.00

0.0

42.4 degrees / 84% humidity / Dew Point 37.9 degrees / PM2.5 AQI 34 - Good /OVC Stratus / BFT-2 Light Breeze / Barometer falling at -0.3 mb/3hr / Overnight low temperature 36.0 degrees at 07:40 hours

2026-02-22

9:00 AM

0.00

0.0

39.9 degrees / 75% humidity / Dew Point 32.6 degrees / PM2.5 AQI 12 - Good /OVC Stratus / BFT-3 Gentle Breeze / Barometer rising at +0.8 mb/3hr / Overnight low temperature 36.1 degrees at 06:20 hours

2026-02-21

9:00 AM

0.00

0.0

30.4 degrees / 75% humidity / Dew Point 23.4 degrees / PM2.5 AQI 9 - Good / SCT Stratus / BFT-2 Light Breeze / Barometer rising at +0.9 mb/3hr / Overnight low temperature 28.8 degrees at 06:30 hours

2026-02-20

9:00 AM

0.00

0.0

23.6 degrees / 83% humidity / Dew Point 19.2 degrees / PM2.5 AQI 48 - Good / CLR / BFT-1- Light Air / Barometer rising at +0.9 mb/3hr / Overnight low temperature 11.1 degrees at 6:50 hours

2026-02-19

9:00 AM

0.18

1.0

0.18

2.0

0.45

26.2 degrees / 91% humidity / Dew Point 23.9 degrees / PM2.5 AQI 9 - Good /OVC Stratus / BFT-1- Light Air / Barometer rising at +0.3 mb/3hr / Overnight low temperature 24.6 degrees at 00:00 hours

2026-02-18

9:00 AM

0.28

2.0

19.1 degrees / 91% humidity / Dew Point 16.9 degrees / PM2.5 AQI 34 - Good / SCT Stratus / BFT-2 Light Breeze / Barometer rising at +1.9 mb/3hr / Overnight low temperature 10.6 degrees at 05:20 hours

2026-02-17

9:00 AM

0.07

1.0

0.07

1.0

0.07

29.7 degrees / 86% humidity / Dew Point 26 degrees / PM2.5 AQI 9 - Good / OVC Stratus / BFT-3 Gentle Breeze / Barometer steady at +0.0 mb/3h / Overnight low temperature 27.0 degrees at 04:30 hours

2026-02-16

9:00 AM

0.05

0.0

35.1 degrees / 92% humidity / Dew Point 33 degrees / PM2.5 AQI 15 - Good /OVC Nimbostratus / BFT-1- Light Air / Barometer falling at -1.6 mb/3hr / Overnight low temperature 33.4 degrees at 07:50 hours

2026-02-15

9:00 AM

0.07

0.0

41.6 degrees / 74% humidity / Dew Point 33.9 degrees / PM2.5 AQI 15 - Good /OVC Stratus / BFT-3 Gentle Breeze / Barometer rising at +0.9 mb/3hr / Overnight low temperature 37.2 degrees at 07:10 hours

2026-02-14

9:00 AM

0.13

0.0

36.9 degrees / 92% humidity / Dew Point 34.8 degrees / PM2.5 AQI 52 - Moderate / OVC Nimbostratus - Raining / BFT-2 Light Breeze / Barometer rising at +0.4 mb/3hr / Overnight low temperature 32.5 degrees at 02:00 hours

2026-02-13

8:00 AM

0.00

0.0

26.1 degrees / 93% humidity / Dew Point 24.4 degrees / PM2.5 AQI 54 - Moderate / BKN Cirrostratus / BFT-1- Light Air / Barometer falling at -.03 mb/3hr / Overnight low temperature 25.9 degrees at 06:00 hours

2026-02-12

9:00 AM

0.00

0.0

37.7 degrees / 93% humidity / Dew Point 35.9 degrees / PM2.5 AQI 81 - Moderate / BKN Stratocumulus / BFT-1- Light Air / Barometer rising at +0.5 mb/3hr / Overnight low temperature 31.3 degrees at 03:10 hours

2026-02-11

9:00 AM

0.11

0.0

39.6 degrees / 93% humidity / Dew Point 37.7 degrees / PM2.5 AQI 52 - Moderate / BKN Stratus / BFT-1- Light Air / Barometer rising at +1.9 mb/3hr / Overnight low temperature 32.4 degrees at 07:20 hours

2026-02-10

9:00 AM

0.00

0.0

33.4 degrees / 86% humidity / Dew Point 29.7 degrees / PM2.5 AQI 51 - Moderate / OVC Stratus / BFT-1- Light Air / Barometer falling at -1.2 mb/3hr / Overnight low temperature 24.6 degrees at 06:20 hours

2026-02-09

9:00 AM

0.40

0.0

34.7 degrees / 89% humidity / Dew Point 31.8 degrees / PM2.5 AQI 35 - Good / SCT Stratus / BFT-2 Light Breeze / Barometer rising at +0.3 mb/3hr / Overnight low temperature 26.2 degrees at 07:30 hours

2026-02-08

9:00 AM

0.06

0.0

45 degrees / 83% humidity / Dew Point 40.1 degrees / PM2.5 AQI 21 - Good /OVC Nimbostratus / BFT-2 Light Breeze / Barometer steady at +0.0 mb/3h / Overnight low temperature 42.4 degrees at 05:00 hours

2026-02-07

9:00 AM

0.00

0.0

37.4 degrees / 78% humidity / Dew Point 31.2 degrees / PM2.5 AQI 43 - Good /OVC Stratus / BFT-1- Light Air / Barometer rising at +0.7 mb/3hr / Overnight low temperature 27.7 degrees at 07:40 hours

2026-02-06

8:00 AM

0.00

0.0

27 degrees / 89% humidity / Dew Point 24.2 degrees / PM2.5 AQI 61 - Moderate / CLR / BFT- 0 Calm / Barometer rising at +0.4 mb/3hr / Overnight low temperature 25.8 degrees at 05:50 hours

2026-02-05

9:00 AM

0.00

0.0

38.1 degrees / 83% humidity / Dew Point 33.4 degrees / PM2.5 AQI 58 - Moderate / CLR / BFT-1- Light Air / Barometer rising at +0.1 mb/3hr / Overnight low temperature 26.4 degrees at 07:00 hours

2026-02-04

9:00 AM

0.00

0.0

37.2 degrees / 83% humidity / Dew Point 32.5 degrees / PM2.5 AQI 54 - Moderate / SCT Altostratus - Cirrostratus / BFT-1- Light Air / Barometer rising at +0.6 mb/3hr / Overnight low temperature 24.3 degrees at 07:20 hours

2026-02-03

9:00 AM

0.00

0.0

33.3 degrees / 90% humidity / Dew Point 30.7 degrees / PM2.5 AQI 57 - Moderate / OVC Stratus / BFT-1- Light Air / Barometer rising at +1.3 mb/3hr / Overnight low temperature 24.1 degrees at 07:10 hours

2026-02-02

8:00 AM

0.00

0.0

27.9 degrees / 94% humidity / Dew Point 26.4 degrees / PM2.5 AQI 66 - Moderate / CLR / BFT-2 Light Breeze / Barometer rising at +0.8 mb/3hr / Overnight low temperature 24.3 degrees at 07:10 hours

2026-02-01

9:00 AM

0.00

0.0

36.1 degrees / 85% humidity / Dew Point 32 degrees / PM2.5 AQI 74 - Moderate / OVC Stratus / BFT-1- Light Air / Barometer rising at +0.8 mb/3hr / Overnight low temperature 28.2 degrees at 06:00 hours

2026-01-31

9:00 AM

0.00

0.0

31.2 degrees / 87% humidity / Dew Point 27.8 degrees / PM2.5 AQI 79 - Moderate / OVC Stratus / BFT-1- Light Air / Barometer rising at +0.2 mb/3hr / Overnight low temperature 24.1 degrees at 07:40 hours

2026-01-30

9:00 AM

0.00

0.0

33.5 degrees / 91% humidity / Dew Point 31.2 degrees / PM2.5 AQI 77 - Moderate / OVC Stratus / BFT-1- Light Air / Barometer rising at +0.3 mb/3hr / Overnight low temperature 28.9 degrees at 01:40 hours

2026-01-29

9:00 AM

0.00

0.0

30.7 degrees / 94% humidity / Dew Point 29.2 degrees / PM2.5 AQI 67 - Moderate / OVC Stratus / BFT-2 Light Breeze / Barometer rising at +1.0 mb/3hr / Overnight low temperature 27.1 degrees at 7:40 hours

2026-01-28

9:00 AM

0.02

0.0

32 degrees / 92% humidity / Dew Point 29.9 degrees / PM2.5 AQI 72 - Moderate / OVC Cirrostratus / BFT-1- Light Air / Barometer rising at +1.3 mb/3hr / Overnight low temperature 25.9 degrees at 07:30 hours

2026-01-27

9:00 AM

0.00

0.0

28.1 degrees / 86% humidity / Dew Point 24.5 degrees / PM2.5 AQI 58 - Moderate / OVC Stratus / BFT-1- Light Air / Barometer falling at -0.1 mb/3hr / Overnight low temperature 23.7 degrees at 03:50 hours

2026-01-26

7:00 AM

0.00

0.0

23.7 degrees / 85% humidity / Dew Point 19.9 degrees / PM2.5 AQI 104 - Unhealthy / OVC Stratus / BFT- 0 Calm / Barometer rising at +0.6 mb/3hr / Overnight low temperature 23.7 degrees at 07:00 hours

2026-01-25

8:00 AM

0.00

0.0

15.1 degrees / 87% humidity / Dew Point 11.9 degrees / PM2.5 AQI 85 - Moderate / CLR / BFT-1- Light Air / Barometer rising at +0.5 mb/3hr / Overnight low temperature 14.6 degrees at 07:50 hours

2026-01-24

9:00 AM

0.00

0.0

24.6 degrees / 80% humidity / Dew Point 19.3 degrees / PM2.5 AQI 54 - Moderate / CLR / BFT-2 Light Breeze / Barometer rising at +0.8 mb/3hr / Overnight low temperature 16.2 degrees at 06:10 hours

2026-01-23

9:00 AM

0.00

0.0

34.3 degrees / 86% humidity / Dew Point 30.5 degrees / PM2.5 AQI 63 - Moderate / OVC Stratus / BFT-2 Light Breeze / Barometer rising at +0.4 mb/3hr / Overnight low temperature 27.1 degrees at 5:40 hours

2026-01-22

9:00 AM

0.00

0.0

29.1 degrees / 94% humidity / Dew Point 27.6 degrees / PM2.5 AQI 71 - Moderate / CLR / BFT-1- Light Air / Barometer rising at +0.2 mb/3hr / Overnight low temperature 20.8 degrees at 07:30 hours

2026-01-21

9:00 AM

0.00

0.0

29.7 degrees / 91% humidity / Dew Point 27.4 degrees / PM2.5 AQI 63 - Moderate / OVC Stratus / BFT- 0 Calm / Barometer falling at -0.1 mb/3hr / Overnight low temperature 26.4 degrees at 08:00 hours

2026-01-20

9:00 AM

0.00

0.0

28.5 degrees / 90% humidity / Dew Point 25.9 degrees / PM2.5 AQI 51 - Moderate / OVC Stratus / BFT-1- Light Air / Barometer rising at +0.9 mb/3hr / Overnight low temperature 21.6 degrees at 08:00 hours

2026-01-19

9:00 AM

0.00

0.0

31 degrees / 88% humidity / Dew Point 27.9 degrees / PM2.5 AQI 56 - Moderate / SCT Cirrus / BFT-1- Light Air / Barometer rising at +0.6 mb/3hr / Overnight low temperature 22.3 degrees at 07:20 hours

2026-01-18

9:00 AM

0.00

0.0

29.1 degrees / 91% humidity / Dew Point 26.8 degrees / PM2.5 AQI 64 - Moderate / SCT Cirrus / BFT-1- Light Air / Barometer rising at +0.4 mb/3hr / Overnight low temperature 21.9 degrees at 07:30 hours

2026-01-17

9:00 AM

0.00

0.0

30.6 degrees / 91% humidity / Dew Point 28.3 degrees / PM2.5 AQI 69 - Moderate / CLR / BFT-1- Light Air / Barometer steady at +0.0 mb/3h / Overnight low temperature 22.5 degrees at 07:40 hours

2026-01-16

9:00 AM

0.00

0.0

31.6 degrees / 84% humidity / Dew Point 27.3 degrees / PM2.5 AQI 52 - Moderate / CLR / BFT-1- Light Air / Barometer rising at +0.1 mb/3hr / Overnight low temperature 23.5 degrees at 07:30 hours

2026-01-15

9:00 AM

0.00

0.0

21.6 degrees / 92% humidity / Dew Point 19.6 degrees / PM2.5 AQI 40 - Good / CLR / BFT-1- Light Air / Barometer steady at +0.0 mb/3h / Overnight low temperature 21.6 degrees at 07:40 hours

2026-01-14

9:00 AM

0.00

0.0

30.4 degrees / 91% humidity / Dew Point 28.1 degrees / PM2.5 AQI 59 - Moderate / OVC Haze / BFT- 0 Calm / Barometer rising at +0.2 mb/3hr / Overnight low temperature 21.6 degrees at 08:00 hours

2026-01-13

8:00 AM

0.00

0.0

22.3 degrees / 93% humidity / Dew Point 20.6 degrees / PM2.5 AQI 61 - Moderate / OVC Haze / BFT- 0 Calm / Barometer rising at +0.6 mb/3hr / Overnight low temperature 22.3 degrees at 06:10 hours

2026-01-12

9:00 AM

0.00

0.0

26.5 degrees / 94% humidity / Dew Point 25 degrees / PM2.5 AQI 58 - Moderate / OVC Haze / BFT- 0 Calm / Barometer rising at +0.5 mb/3hr / Overnight low temperature 22.1 degrees at 07:50 hours

2026-01-11

9:00 AM

0.00

0.0

25.8 degrees / 94% humidity / Dew Point 24.3 degrees / PM2.5 AQI 55 - Moderate / OVC Haze / BFT- 0 Calm / Barometer rising at +0.6 mb/3hr / Overnight low temperature 20.8 degrees at 08:00 hours

2026-01-10

9:00 AM

0.00

0.0

27 degrees / 94% humidity / Dew Point 25.5 degrees / PM2.5 AQI 67 - Moderate / OVC Stratus / BFT-1- Light Air / Barometer falling at -0.1 mb/3hr / Overnight low temperature 21.9 degrees at 07:20 hours

2026-01-09

9:00 AM

0.00

0.0

18.1 degrees / 93% humidity / Dew Point 16.4 degrees / PM2.5 AQI 83 - Moderate / FEW Altostratus / BFT-1- Light Air / Barometer rising at +1.3 mb/3hr / Overnight low temperature 18.1 degrees at 07:10 hours

2026-01-08

9:00 AM

0.09

1.0

0.09

1.0

0.09

27.7 degrees / 81% humidity / Dew Point 22.6 degrees / PM2.5 AQI 26 - SCT Fair weather Cumulus / BFT-1- Light Air / Barometer rising at +3.0 mb/3hr / Overnight low temperature 22.6 degrees at 06:20 hours

2026-01-07

9:00 AM

0.01

0.0

35.1 degrees / 93% humidity / Dew Point 33.3 degrees / PM2.5 AQI 7 - Good / BKN Stratus / BFT-2 Light Breeze / Barometer rising at +0.2 mb/3hr / Overnight low temperature 34.3 degrees at 08:30 hours

2026-01-06

9:00 AM

0.03

0.0

32.7 degrees / 94% humidity / Dew Point 31.2 degrees / PM2.5 AQI 56 - Moderate / OVC Stratus / BFT-1- Light Air / Barometer rising at +0.5 mb/3hr / Overnight low temperature 29.8 degrees at 04:30 hours

2026-01-05

9:00 AM

0.00

0.0

38.6 degrees / 77% humidity / Dew Point 32 degrees / PM2.5 AQI 5 - Good / OVC Stratus / BFT-3 Gentle Breeze / Barometer rising at +1.2 mb/3hr / Overnight low temperature 36.3 degrees at 07:00 hours

2026-01-04

9:00 AM

0.26

0.0

37 degrees / 94% humidity / Dew Point 35.4 degrees / PM2.5 AQI 16 - Good / OVC Stratus / BFT-1- Light Air / Barometer rising at +0.7 mb/3hr / Overnight low temperature 36.5 degrees at 07:50 hours

2026-01-03

8:00 AM

0.23

0.0

40.1 degrees / 83% humidity / Dew Point 35.4 degrees / PM2.5 AQI 5 - Good / OVC Nimbostratus / BFT-4 Moderate Breeze / Barometer rising at +0.1 mb/3hr / Overnight low temperature 36.3 degrees at 04:10 hours

2026-01-02

9:00 AM

0.03

0.0

43.7 degrees / 87% humidity / Dew Point 40.1 degrees / PM2.5 AQI 5 - Good / OVC Stratus / BFT-3 Gentle Breeze / Barometer falling at -0.2 mb/3hr / Overnight low temperature 43.2 degrees at 05:10 hours

2026-01-01

8:00 AM

0.38

0.0

36.9 degrees / 94% humidity / Dew Point 35.3 degrees / PM2.5 AQI 66 - Moderate / OVC Nimbostratus-Moderate Rain / BFT-1- Light Air / Barometer falling at -0.7 mb/3hr / Overnight low temperature 36.3 degrees at 04:20 hours

Observation Data TablesInformational

Observation Data Tables