| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.50 | -0.08 |
| Feb | 2.82 | 2.77 | 0.05 |
| Mar | 4.07 | 4.25 | -0.18 |
| Apr | 3.73 | 3.61 | 0.12 |
| May | 3.76 | 3.78 | -0.02 |
| Jun | 4.28 | 4.22 | 0.06 |
| Jul | 4.73 | 4.77 | -0.04 |
| Aug | 4.48 | 4.67 | -0.19 |
| Sep | 3.97 | 4.03 | -0.06 |
| Oct | 3.83 | 4.03 | -0.20 |
| Nov | 3.22 | 3.23 | -0.01 |
| Dec | 4.10 | 4.30 | -0.20 |
46.41 | 47.16 | -0.75 |