| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.55 | -0.12 |
| Feb | 2.67 | 2.80 | -0.13 |
| Mar | 4.08 | 4.21 | -0.13 |
| Apr | 3.70 | 3.65 | 0.05 |
| May | 3.87 | 4.02 | -0.15 |
| Jun | 4.34 | 4.40 | -0.06 |
| Jul | 5.02 | 4.81 | 0.21 |
| Aug | 4.27 | 4.41 | -0.14 |
| Sep | 4.19 | 4.14 | 0.05 |
| Oct | 4.12 | 4.10 | 0.02 |
| Nov | 3.32 | 3.31 | 0.01 |
| Dec | 4.22 | 4.38 | -0.16 |
47.23 | 47.78 | -0.55 |