The following table is a preliminary summary of weather data from the Guin Library Weather Station at the Hatfield Marine Science Center in Newport, Oregon.
April 1-3 in Pacific Standard Time (PST).
April 4-30 in Pacific Daylight Time (PDT).
| Day | Low Temp | Time | High Temp | Time | Peak Wind | Time | Dir | Low Press | Time | High Press | Time | Precip |
| 1 | 34.3 | 6:17 a.m. | 51.1 | 2:17 p.m. | 30 | 3:20 p.m. | NNW | 30.088 | 12:02 a.m. | 30.217 | 10:42 a.m. | 0 |
| 2 | 36.4 | 6:28 a.m. | 49.9 | 12:46 p.m. | 37 | 10:46 p.m. | NW | 30.056 | 6:23 p.m. | 30.175 | 11:30 p.m. | 0.11 |
| 3 | 38.9 | 3:24 a.m. | 46.7 | 2:38 p.m. | 39 | 8:34 a.m. | NW |
30.107 | 2:47 p.m. | 30.221 | 11:54 p.m. | 0.16 |
| 4 | 39.6 | 12:00 a.m. | 47.2 | 12:57 p.m. | 28 | 7:25 p.m. | SE | 29.741 | 11:34 p.m. | 30.225 | 3:08 a.m. | 0.3 |
| 5 | 38.2 | 12:40 a.m. | 51.8 | 2:28 p.m. | 25 | 3:34 p.m. | NW |
29.671 | 3:27 a.m. | 30.067 | 11:58 p.m. | 0.07 |
| 6 | 39.1 | 7:27 a.m. | 50.7 | 3:14 p.m. | 22 | 5:08 p.m. | NW |
30.053 | 1:08 a.m. | 30.166 | 12:34 p.m. | 0 |
| 7 | 41.6 | 6:52 a.m. | 48.7 | 12:49 p.m. | 28 | 7:29 p.m. | SSE |
29.805 | 7:09 p.m. | 30.110 | 12:00 a.m. | 0.53 |
| 8 | 39.9 | 7:56 a.m. | 47.9 | 3:18 p.m. | 26 | 7:42 p.m. | NNW |
29.884 | 12:20 a.m. | 30.235 | 11:53 p.m. | 0.13 |
| 9 | 37.6 | 6:36 a.m. | 49.6 | 3:14 p.m. | 29 | 6:10 p.m. | S |
30.034 | 11:56 p.m. | 30.322 | 11:06 a.m. | 0.17 |
| 10 | 41.4 | 6:39 a.m. | 48.7 | 3:47 p.m. | 18 | 2:21 a.m. | ESE |
29.900 | 7:25 a.m. | 30.040 | 12:00 a.m. | 0.12 |
| 11 | 41.6 | 4:16 a.m. | 59.7 | 4:52 p.m. | 18 | 4:51 p.m. | NW |
29.938 | 12:08 a.m. | 30.105 | 11:42 p.m. | 0 |
| 12 | 45.8 | 2:49 a.m. | 52.2 | 6:01 p.m. | 16 | 8:52 p.m. | NNW |
30.101 | 12:00 a.m. | 30.440 | 11:47 p.m. | 0.02 |
| 13 | 43.3 | 6:56 a.m. | 52.0 | 2:54 p.m. | 28 | 4:29 p.m. | NNW |
30.437 | 12:06 a.m. | 30.597 | 11:26 a.m. | 0 |
| 14 | 41.3 | 6:25 a.m. | 69.8 | 5:12 p.m. | 21 | 2:34 p.m. | E |
30.244 | 11:55 p.m. | 30.581 | 12:57 a.m. | 0 |
| 15 | 53.0 | 4:23 a.m. | 77.7 | 4:53 p.m. | 40 | 10:32 a.m. | E |
29.958 | 7:35 p.m. | 30.250 | 12:28 a.m. | 0 |
| 16 | 54.3 | 12:00 a.m. | 73.5 | 12:14 p.m. | 20 | 5:16 a.m. | E |
29.944 | 5:52 a.m. | 30.033 | 11:56 p.m. | 0 |
| 17 | 50.6 | 12:00 a.m. | 56.0 | 10:35 a.m. | 15 | 4:16 p.m. | NW |
30.029 | 12:04 a.m. | 30.216 | 11:59 p.m. | 0 |
| 18 | 47.1 | 12:00 a.m. | 54.1 | 3:06 p.m. | 15 | 5:14 p.m. | NW |
30.212 | 12:00 a.m. | 30.310 | 12:30 p.m. | 0 |
| 19 | 46.3 | 3:10 a.m. | 53.1 | 11:38 a.m. | 22 | 1:38 p.m. | S |
30.235 | 12:55 a.m. | 30.295 | 9:59 p.m. | 0.04 |
| 20 | 46.9 | 7:38 a.m. | 51.6 | 4:53 p.m. | 19 | 5:48 p.m. | NW |
30.164 | 11:51 p.m. | 30.354 | 7:12 a.m. | 0 |
| 21 | 43.3 | 7:07 a.m. | 52.5 | 2:40 p.m. | 26 | 8:33 p.m. | NW |
30.059 | 9:44 a.m. | 30.178 | 11:58 p.m. | 0.07 |
| 22 | 41.4 | 6:39 a.m. | 54.0 | 3:34 p.m. | 28 | 2:44 p.m. | NW |
30.173 | 12:00 a.m. | 30.375 | 3:33 p.m. | 0 |
| 23 | 41.3 | 7:12 a.m. | 59.4 | 3:58 p.m. | 28 | 2:25 p.m. | NW |
30.083 | 11:34 p.m. | 30.351 | 12:06 a.m. | 0 |
| 24 | 43.7 | 7:28 a.m. | 51.6 | 2:03 p.m. | 29 | 3:09 p.m. | NNW |
29.967 | 5:50 p.m. | 30.093 | 12:20 a.m. | 0.01 |
| 25 | 46.7 | 11:14 p.m. | 51.0 | 6:07 p.m. | 24 | 12:15 p.m. | NNW |
29.972 | 12:01 a.m. | 30.155 | 2:59 p.m. | 0.06 |
| 26 | 42.3 | 7:18 a.m. | 53.4 | 3:25 p.m. | 24 | 5:58 p.m. | SSW |
30.097 | 7:26 p.m. | 30.155 | 11:53 a.m. | 0.20 |
| 27 | 40.9 | 6:31 a.m. | 49.9 | 3:59 p.m. | 16 | 12:29 p.m. | S |
30.093 | 3:31 a.m. | 30.231 | 11:59 p.m. | 0.33 |
| 28 | 36.7 | 7:08 a.m. | 53.1 | 4:55 p.m. | 29 | 4:19 p.m. | NW |
30.226 | 12:01 a.m. | 30.355 | 11:59 p.m. | 0.01 |
| 29 | 46.3 | 6:29 a.m. | 53.9 | 11:35 a.m. | 29 | 2:18 p.m. | NW |
30.163 | 7:00 p.m. | 30.359 | 1:49 a.m. | 0 |
| 30 | 44.4 | 6:41 a.m. | 53.9 | 2:14 p.m. | 17 | 10:58 p.m. | SSW |
30.008 | 10:59 p.m. | 30.197 | 12:06 a.m. | 0.04 |
| Min | 34.3 | 29.671 | ||||||||||
| Max | 77.7 | 40 | 30.597 | |||||||||
| Total | 2.37 |
Day 0000 - 2345 hours on the day indicated. Low Temp Lowest Air Temperature of the day and time at which it occurred. High Temp Highest Air Temperature of the day and time at which it occurred. Peak Wind Highest wind for the day in miles per hour and time at which it occurred. Wind Dir Direction from which the wind was blowing at time of peak wind. Low Press Lowest barometric pressure (inches) and time at which it occurred. High Press Highest barometric pressure (inches) and time at which it occurred. Precip Total precipitation for the day from a Tipping bucket device.
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Date of last Update: May
1, 1999
