| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.65 | -0.07 |
| Feb | 2.95 | 2.93 | 0.02 |
| Mar | 4.20 | 4.19 | 0.01 |
| Apr | 3.77 | 3.88 | -0.11 |
| May | 3.89 | 3.86 | 0.03 |
| Jun | 4.51 | 4.42 | 0.09 |
| Jul | 4.21 | 4.42 | -0.21 |
| Aug | 4.19 | 4.14 | 0.05 |
| Sep | 4.70 | 4.97 | -0.27 |
| Oct | 3.41 | 3.43 | -0.02 |
| Nov | 3.42 | 3.41 | 0.01 |
| Dec | 3.57 | 3.59 | -0.02 |
46.40 | 46.89 | -0.49 |