| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.82 | -0.18 |
| Feb | 2.89 | 3.04 | -0.15 |
| Mar | 3.86 | 3.77 | 0.09 |
| Apr | 3.77 | 3.93 | -0.16 |
| May | 4.39 | 4.45 | -0.06 |
| Jun | 4.23 | 4.36 | -0.13 |
| Jul | 3.85 | 4.30 | -0.45 |
| Aug | 3.73 | 3.75 | -0.02 |
| Sep | 4.59 | 4.88 | -0.29 |
| Oct | 3.57 | 3.29 | 0.28 |
| Nov | 3.37 | 3.30 | 0.07 |
| Dec | 3.69 | 3.81 | -0.12 |
45.58 | 46.70 | -1.12 |