| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.39 | 5.43 | -0.04 |
| Feb | 5.15 | 4.97 | 0.18 |
| Mar | 5.39 | 5.18 | 0.21 |
| Apr | 5.65 | 5.70 | -0.05 |
| May | 4.53 | 4.60 | -0.07 |
| Jun | 4.39 | 4.41 | -0.02 |
| Jul | 3.86 | 3.80 | 0.06 |
| Aug | 3.51 | 3.70 | -0.19 |
| Sep | 3.77 | 3.70 | 0.07 |
| Oct | 4.61 | 4.66 | -0.05 |
| Nov | 4.42 | 4.42 | 0.00 |
| Dec | 5.45 | 5.36 | 0.09 |
56.12 | 55.93 | 0.19 |