| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.64 | -0.02 |
| Feb | 3.47 | 3.56 | -0.09 |
| Mar | 3.58 | 3.71 | -0.13 |
| Apr | 3.19 | 3.22 | -0.03 |
| May | 3.43 | 3.32 | 0.11 |
| Jun | 5.81 | 5.63 | 0.18 |
| Jul | 5.56 | 5.37 | 0.19 |
| Aug | 5.79 | 5.95 | -0.16 |
| Sep | 4.20 | 4.14 | 0.06 |
| Oct | 3.23 | 3.28 | -0.05 |
| Nov | 2.56 | 2.61 | -0.05 |
| Dec | 3.41 | 3.51 | -0.10 |
47.85 | 47.94 | -0.09 |