| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.39 | 2.51 | -0.12 |
| Feb | 2.30 | 2.28 | 0.02 |
| Mar | 3.84 | 3.80 | 0.04 |
| Apr | 4.73 | 4.64 | 0.09 |
| May | 6.07 | 6.08 | -0.01 |
| Jun | 4.88 | 4.93 | -0.05 |
| Jul | 4.01 | 3.96 | 0.05 |
| Aug | 3.21 | 3.21 | 0.00 |
| Sep | 4.55 | 4.59 | -0.04 |
| Oct | 3.80 | 3.72 | 0.08 |
| Nov | 3.73 | 3.92 | -0.19 |
| Dec | 2.81 | 2.79 | 0.02 |
46.32 | 46.43 | -0.11 |