| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.61 | 4.56 | 0.05 |
| Feb | 4.73 | 4.56 | 0.17 |
| Mar | 4.96 | 4.90 | 0.06 |
| Apr | 3.96 | 4.08 | -0.12 |
| May | 3.22 | 3.22 | 0.00 |
| Jun | 4.47 | 4.47 | 0.00 |
| Jul | 4.75 | 4.64 | 0.11 |
| Aug | 4.26 | 4.25 | 0.01 |
| Sep | 3.79 | 3.75 | 0.04 |
| Oct | 3.16 | 3.34 | -0.18 |
| Nov | 3.80 | 3.79 | 0.01 |
| Dec | 4.82 | 4.68 | 0.14 |
50.53 | 50.24 | 0.29 |