| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.81 | -0.11 |
| Feb | 3.01 | 3.27 | -0.26 |
| Mar | 3.80 | 3.95 | -0.15 |
| Apr | 3.32 | 3.51 | -0.19 |
| May | 3.73 | 3.92 | -0.19 |
| Jun | 4.57 | 4.51 | 0.06 |
| Jul | 5.70 | 5.58 | 0.12 |
| Aug | 5.43 | 5.38 | 0.05 |
| Sep | 5.03 | 4.81 | 0.22 |
| Oct | 3.78 | 3.83 | -0.05 |
| Nov | 3.19 | 3.60 | -0.41 |
| Dec | 3.46 | 3.82 | -0.36 |
48.72 | 49.99 | -1.27 |