| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.80 | 2.84 | -0.04 |
| Feb | 2.32 | 2.37 | -0.05 |
| Mar | 3.25 | 3.28 | -0.03 |
| Apr | 4.07 | 4.09 | -0.02 |
| May | 4.51 | 4.41 | 0.10 |
| Jun | 4.88 | 4.84 | 0.04 |
| Jul | 4.23 | 4.21 | 0.02 |
| Aug | 3.63 | 3.47 | 0.16 |
| Sep | 3.08 | 3.17 | -0.09 |
| Oct | 3.12 | 3.06 | 0.06 |
| Nov | 3.32 | 3.34 | -0.02 |
| Dec | 2.72 | 2.86 | -0.14 |
41.93 | 41.94 | -0.01 |