| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 4.22 | -0.58 |
| Feb | 3.03 | 3.37 | -0.34 |
| Mar | 3.15 | 3.57 | -0.42 |
| Apr | 3.69 | 3.71 | -0.02 |
| May | 3.84 | 3.82 | 0.02 |
| Jun | 4.12 | 3.95 | 0.17 |
| Jul | 3.88 | 4.05 | -0.17 |
| Aug | 3.67 | 3.76 | -0.09 |
| Sep | 3.93 | 3.84 | 0.09 |
| Oct | 4.66 | 4.79 | -0.13 |
| Nov | 4.03 | 4.16 | -0.13 |
| Dec | 4.07 | 4.37 | -0.30 |
45.71 | 47.61 | -1.90 |