| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.16 | 5.43 | -0.27 |
| Feb | 5.31 | 5.34 | -0.03 |
| Mar | 5.57 | 5.55 | 0.02 |
| Apr | 4.76 | 4.68 | 0.08 |
| May | 4.14 | 4.21 | -0.07 |
| Jun | 4.75 | 4.76 | -0.01 |
| Jul | 4.81 | 4.99 | -0.18 |
| Aug | 4.25 | 4.49 | -0.24 |
| Sep | 3.64 | 3.50 | 0.14 |
| Oct | 3.14 | 3.05 | 0.09 |
| Nov | 4.26 | 4.26 | 0.00 |
| Dec | 5.52 | 5.40 | 0.12 |
55.31 | 55.66 | -0.35 |