| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.47 | 0.04 |
| Feb | 2.86 | 2.83 | 0.03 |
| Mar | 4.00 | 4.05 | -0.05 |
| Apr | 3.57 | 3.69 | -0.12 |
| May | 3.81 | 3.81 | 0.00 |
| Jun | 4.59 | 4.29 | 0.30 |
| Jul | 5.11 | 5.23 | -0.12 |
| Aug | 4.86 | 4.97 | -0.11 |
| Sep | 4.64 | 5.04 | -0.40 |
| Oct | 4.04 | 4.38 | -0.34 |
| Nov | 3.06 | 3.05 | 0.01 |
| Dec | 3.61 | 3.67 | -0.06 |
47.66 | 48.48 | -0.82 |