| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 4.75 | 0.01 |
| Feb | 4.75 | 4.77 | -0.02 |
| Mar | 5.00 | 4.89 | 0.11 |
| Apr | 4.00 | 4.04 | -0.04 |
| May | 3.84 | 3.94 | -0.10 |
| Jun | 4.60 | 4.57 | 0.03 |
| Jul | 4.57 | 4.76 | -0.19 |
| Aug | 4.49 | 4.64 | -0.15 |
| Sep | 4.14 | 4.26 | -0.12 |
| Oct | 3.65 | 3.63 | 0.02 |
| Nov | 4.23 | 4.27 | -0.04 |
| Dec | 4.62 | 4.81 | -0.19 |
52.65 | 53.33 | -0.68 |