| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.62 | 4.65 | -0.03 |
| Feb | 4.76 | 4.53 | 0.23 |
| Mar | 4.75 | 4.85 | -0.10 |
| Apr | 3.94 | 4.02 | -0.08 |
| May | 2.84 | 2.87 | -0.03 |
| Jun | 4.88 | 4.87 | 0.01 |
| Jul | 5.30 | 5.40 | -0.10 |
| Aug | 4.85 | 4.86 | -0.01 |
| Sep | 3.94 | 3.87 | 0.07 |
| Oct | 2.66 | 2.71 | -0.05 |
| Nov | 3.14 | 3.22 | -0.08 |
| Dec | 5.02 | 4.73 | 0.29 |
50.70 | 50.58 | 0.12 |