| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.65 | 4.51 | 0.14 |
| Feb | 4.53 | 4.53 | 0.00 |
| Mar | 4.74 | 4.68 | 0.06 |
| Apr | 3.68 | 3.63 | 0.05 |
| May | 3.63 | 3.44 | 0.19 |
| Jun | 4.74 | 4.95 | -0.21 |
| Jul | 4.09 | 4.41 | -0.32 |
| Aug | 4.96 | 4.55 | 0.41 |
| Sep | 3.99 | 4.10 | -0.11 |
| Oct | 3.33 | 3.32 | 0.01 |
| Nov | 3.86 | 3.81 | 0.05 |
| Dec | 4.62 | 4.61 | 0.01 |
50.82 | 50.54 | 0.28 |