| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.29 | 4.35 | -0.06 |
| Feb | 4.23 | 4.30 | -0.07 |
| Mar | 5.01 | 4.97 | 0.04 |
| Apr | 4.84 | 4.72 | 0.12 |
| May | 4.78 | 4.44 | 0.34 |
| Jun | 4.21 | 4.41 | -0.20 |
| Jul | 3.47 | 3.25 | 0.22 |
| Aug | 2.92 | 2.89 | 0.03 |
| Sep | 3.64 | 3.79 | -0.15 |
| Oct | 4.53 | 4.59 | -0.06 |
| Nov | 4.04 | 4.15 | -0.11 |
| Dec | 4.92 | 5.06 | -0.14 |
50.88 | 50.92 | -0.04 |