| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.27 | 0.01 |
| Feb | 2.78 | 2.83 | -0.05 |
| Mar | 4.11 | 4.23 | -0.12 |
| Apr | 3.71 | 3.64 | 0.07 |
| May | 4.09 | 4.23 | -0.14 |
| Jun | 4.46 | 4.18 | 0.28 |
| Jul | 4.68 | 4.57 | 0.11 |
| Aug | 4.20 | 4.02 | 0.18 |
| Sep | 4.86 | 4.76 | 0.10 |
| Oct | 4.23 | 4.45 | -0.22 |
| Nov | 3.42 | 3.41 | 0.01 |
| Dec | 3.82 | 4.02 | -0.20 |
47.64 | 47.61 | 0.03 |