| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.22 | 4.19 | 0.03 |
| Feb | 4.24 | 4.03 | 0.21 |
| Mar | 4.51 | 4.85 | -0.34 |
| Apr | 3.31 | 3.12 | 0.19 |
| May | 2.83 | 2.70 | 0.13 |
| Jun | 5.27 | 5.08 | 0.19 |
| Jul | 5.22 | 5.04 | 0.18 |
| Aug | 4.67 | 4.84 | -0.17 |
| Sep | 4.06 | 4.57 | -0.51 |
| Oct | 2.83 | 2.91 | -0.08 |
| Nov | 2.71 | 2.70 | 0.01 |
| Dec | 4.03 | 3.93 | 0.10 |
47.90 | 47.96 | -0.06 |