| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.60 | -0.07 |
| Feb | 3.03 | 3.05 | -0.02 |
| Mar | 4.51 | 4.55 | -0.04 |
| Apr | 3.41 | 3.57 | -0.16 |
| May | 3.40 | 3.47 | -0.07 |
| Jun | 3.82 | 3.97 | -0.15 |
| Jul | 4.76 | 4.61 | 0.15 |
| Aug | 4.70 | 4.80 | -0.10 |
| Sep | 3.77 | 3.94 | -0.17 |
| Oct | 4.10 | 4.19 | -0.09 |
| Nov | 3.36 | 3.35 | 0.01 |
| Dec | 4.47 | 4.51 | -0.04 |
46.86 | 47.61 | -0.75 |