| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.86 | -0.08 |
| Feb | 0.82 | 0.86 | -0.04 |
| Mar | 1.63 | 1.53 | 0.10 |
| Apr | 2.83 | 2.90 | -0.07 |
| May | 4.14 | 4.17 | -0.03 |
| Jun | 4.61 | 4.68 | -0.07 |
| Jul | 4.26 | 4.34 | -0.08 |
| Aug | 4.36 | 4.14 | 0.22 |
| Sep | 3.34 | 3.18 | 0.16 |
| Oct | 2.83 | 2.88 | -0.05 |
| Nov | 1.70 | 1.64 | 0.06 |
| Dec | 1.13 | 1.22 | -0.09 |
32.43 | 32.40 | 0.03 |