| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.88 | 2.03 | -0.15 |
| Feb | 1.79 | 1.92 | -0.13 |
| Mar | 2.28 | 2.25 | 0.03 |
| Apr | 3.77 | 3.76 | 0.01 |
| May | 4.59 | 4.64 | -0.05 |
| Jun | 4.59 | 4.33 | 0.26 |
| Jul | 3.82 | 3.66 | 0.16 |
| Aug | 3.83 | 4.05 | -0.22 |
| Sep | 3.35 | 3.27 | 0.08 |
| Oct | 3.24 | 3.30 | -0.06 |
| Nov | 2.41 | 2.50 | -0.09 |
| Dec | 2.10 | 2.16 | -0.06 |
37.65 | 37.87 | -0.22 |