| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.68 | -0.22 |
| Feb | 2.06 | 2.12 | -0.06 |
| Mar | 2.80 | 2.93 | -0.13 |
| Apr | 3.52 | 3.61 | -0.09 |
| May | 3.82 | 3.87 | -0.05 |
| Jun | 4.22 | 4.04 | 0.18 |
| Jul | 3.85 | 3.93 | -0.08 |
| Aug | 3.51 | 3.52 | -0.01 |
| Sep | 3.45 | 3.51 | -0.06 |
| Oct | 3.12 | 3.19 | -0.07 |
| Nov | 2.81 | 2.82 | -0.01 |
| Dec | 2.64 | 2.80 | -0.16 |
38.26 | 39.02 | -0.76 |