| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.62 | -0.02 |
| Feb | 2.86 | 2.90 | -0.04 |
| Mar | 4.17 | 4.16 | 0.01 |
| Apr | 3.68 | 3.86 | -0.18 |
| May | 3.66 | 3.71 | -0.05 |
| Jun | 4.24 | 4.38 | -0.14 |
| Jul | 4.41 | 4.47 | -0.06 |
| Aug | 4.18 | 4.18 | 0.00 |
| Sep | 4.81 | 4.98 | -0.17 |
| Oct | 3.36 | 3.32 | 0.04 |
| Nov | 3.35 | 3.38 | -0.03 |
| Dec | 3.51 | 3.55 | -0.04 |
45.83 | 46.51 | -0.68 |