| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 3.91 | 0.07 |
| Feb | 3.08 | 3.31 | -0.23 |
| Mar | 3.86 | 3.93 | -0.07 |
| Apr | 4.13 | 4.23 | -0.10 |
| May | 3.65 | 3.63 | 0.02 |
| Jun | 4.06 | 4.23 | -0.17 |
| Jul | 3.17 | 3.08 | 0.09 |
| Aug | 3.03 | 3.05 | -0.02 |
| Sep | 3.79 | 3.60 | 0.19 |
| Oct | 5.25 | 5.27 | -0.02 |
| Nov | 4.71 | 4.86 | -0.15 |
| Dec | 4.83 | 4.88 | -0.05 |
47.54 | 47.98 | -0.44 |