| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.41 | 2.50 | -0.09 |
| Feb | 1.94 | 2.08 | -0.14 |
| Mar | 2.40 | 2.50 | -0.10 |
| Apr | 2.97 | 3.00 | -0.03 |
| May | 2.95 | 2.92 | 0.03 |
| Jun | 3.26 | 3.42 | -0.16 |
| Jul | 3.41 | 3.40 | 0.01 |
| Aug | 3.13 | 3.14 | -0.01 |
| Sep | 3.20 | 3.17 | 0.03 |
| Oct | 3.43 | 3.52 | -0.09 |
| Nov | 2.76 | 2.73 | 0.03 |
| Dec | 2.65 | 2.82 | -0.17 |
34.51 | 35.20 | -0.69 |