| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.72 | 2.92 | -0.20 |
| Feb | 2.19 | 2.25 | -0.06 |
| Mar | 2.91 | 3.02 | -0.11 |
| Apr | 3.78 | 3.87 | -0.09 |
| May | 4.26 | 4.30 | -0.04 |
| Jun | 4.60 | 4.73 | -0.13 |
| Jul | 4.18 | 4.25 | -0.07 |
| Aug | 3.48 | 3.47 | 0.01 |
| Sep | 3.13 | 3.00 | 0.13 |
| Oct | 2.78 | 2.82 | -0.04 |
| Nov | 2.83 | 2.87 | -0.04 |
| Dec | 2.70 | 2.91 | -0.21 |
39.56 | 40.41 | -0.85 |