| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.50 | 0.14 |
| Feb | 3.22 | 3.31 | -0.09 |
| Mar | 4.27 | 4.32 | -0.05 |
| Apr | 3.77 | 3.82 | -0.05 |
| May | 5.07 | 5.05 | 0.02 |
| Jun | 4.82 | 4.78 | 0.04 |
| Jul | 5.17 | 5.19 | -0.02 |
| Aug | 4.00 | 3.99 | 0.01 |
| Sep | 3.61 | 3.62 | -0.01 |
| Oct | 3.28 | 3.29 | -0.01 |
| Nov | 3.10 | 3.12 | -0.02 |
| Dec | 3.80 | 3.74 | 0.06 |
47.75 | 47.73 | 0.02 |