| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.57 | -0.06 |
| Feb | 2.79 | 2.80 | -0.01 |
| Mar | 4.15 | 4.15 | 0.00 |
| Apr | 3.73 | 3.82 | -0.09 |
| May | 4.12 | 3.98 | 0.14 |
| Jun | 4.47 | 4.47 | 0.00 |
| Jul | 5.05 | 4.90 | 0.15 |
| Aug | 4.42 | 4.51 | -0.09 |
| Sep | 4.23 | 4.15 | 0.08 |
| Oct | 4.24 | 4.14 | 0.10 |
| Nov | 3.25 | 3.33 | -0.08 |
| Dec | 4.27 | 4.26 | 0.01 |
48.23 | 48.08 | 0.15 |