| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.16 | -0.23 |
| Feb | 2.44 | 2.55 | -0.11 |
| Mar | 3.20 | 3.22 | -0.02 |
| Apr | 3.39 | 3.33 | 0.06 |
| May | 3.88 | 3.87 | 0.01 |
| Jun | 4.21 | 4.28 | -0.07 |
| Jul | 4.24 | 4.16 | 0.08 |
| Aug | 3.59 | 3.49 | 0.10 |
| Sep | 3.43 | 3.42 | 0.01 |
| Oct | 2.91 | 2.89 | 0.02 |
| Nov | 2.80 | 2.90 | -0.10 |
| Dec | 3.09 | 3.15 | -0.06 |
40.11 | 40.42 | -0.31 |