| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.05 | 4.11 | -0.06 |
| Feb | 4.35 | 4.39 | -0.04 |
| Mar | 5.22 | 5.33 | -0.11 |
| Apr | 5.47 | 5.75 | -0.28 |
| May | 6.00 | 6.27 | -0.27 |
| Jun | 4.16 | 4.17 | -0.01 |
| Jul | 4.31 | 4.55 | -0.24 |
| Aug | 3.32 | 3.58 | -0.26 |
| Sep | 3.93 | 3.89 | 0.04 |
| Oct | 4.85 | 4.84 | 0.01 |
| Nov | 4.65 | 4.70 | -0.05 |
| Dec | 5.27 | 5.20 | 0.07 |
55.58 | 56.78 | -1.20 |