| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 1.73 | -0.02 |
| Feb | 1.80 | 1.89 | -0.09 |
| Mar | 3.30 | 3.26 | 0.04 |
| Apr | 4.49 | 4.26 | 0.23 |
| May | 5.91 | 5.83 | 0.08 |
| Jun | 4.81 | 4.73 | 0.08 |
| Jul | 3.62 | 3.75 | -0.13 |
| Aug | 3.53 | 3.36 | 0.17 |
| Sep | 3.96 | 3.78 | 0.18 |
| Oct | 3.70 | 3.57 | 0.13 |
| Nov | 2.92 | 2.91 | 0.01 |
| Dec | 2.42 | 2.41 | 0.01 |
42.17 | 41.48 | 0.69 |