| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.45 | -0.20 |
| Feb | 2.54 | 2.71 | -0.17 |
| Mar | 3.51 | 3.59 | -0.08 |
| Apr | 4.82 | 5.09 | -0.27 |
| May | 4.97 | 5.08 | -0.11 |
| Jun | 5.09 | 5.36 | -0.27 |
| Jul | 4.66 | 4.66 | 0.00 |
| Aug | 3.23 | 3.28 | -0.05 |
| Sep | 3.52 | 3.66 | -0.14 |
| Oct | 3.63 | 3.74 | -0.11 |
| Nov | 3.83 | 3.89 | -0.06 |
| Dec | 3.16 | 3.34 | -0.18 |
46.21 | 47.85 | -1.64 |