| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.86 | -0.05 |
| Feb | 2.32 | 2.43 | -0.11 |
| Mar | 3.17 | 3.26 | -0.09 |
| Apr | 4.21 | 4.41 | -0.20 |
| May | 4.59 | 4.57 | 0.02 |
| Jun | 4.89 | 4.99 | -0.10 |
| Jul | 4.28 | 4.31 | -0.03 |
| Aug | 3.28 | 3.20 | 0.08 |
| Sep | 3.25 | 3.31 | -0.06 |
| Oct | 3.29 | 3.14 | 0.15 |
| Nov | 3.40 | 3.47 | -0.07 |
| Dec | 2.76 | 2.81 | -0.05 |
42.25 | 42.76 | -0.51 |