| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.49 | 4.50 | -0.01 |
| Feb | 3.61 | 3.60 | 0.01 |
| Mar | 4.62 | 4.77 | -0.15 |
| Apr | 5.21 | 5.30 | -0.09 |
| May | 5.24 | 5.86 | -0.62 |
| Jun | 4.78 | 5.91 | -1.13 |
| Jul | 5.17 | 5.77 | -0.60 |
| Aug | 5.55 | 5.56 | -0.01 |
| Sep | 5.58 | 5.68 | -0.10 |
| Oct | 4.44 | 4.40 | 0.04 |
| Nov | 4.42 | 4.54 | -0.12 |
| Dec | 4.36 | 4.81 | -0.45 |
57.47 | 60.70 | -3.23 |