| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.58 | 0.01 |
| Feb | 2.09 | 2.09 | 0.00 |
| Mar | 2.72 | 2.82 | -0.10 |
| Apr | 3.86 | 3.74 | 0.12 |
| May | 4.28 | 4.22 | 0.06 |
| Jun | 4.82 | 4.81 | 0.01 |
| Jul | 4.33 | 4.24 | 0.09 |
| Aug | 3.86 | 3.78 | 0.08 |
| Sep | 3.11 | 3.08 | 0.03 |
| Oct | 3.08 | 2.89 | 0.19 |
| Nov | 3.08 | 3.09 | -0.01 |
| Dec | 2.54 | 2.44 | 0.10 |
40.36 | 39.78 | 0.58 |