| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 3.96 | -0.03 |
| Feb | 4.64 | 4.48 | 0.16 |
| Mar | 5.30 | 5.19 | 0.11 |
| Apr | 5.15 | 5.02 | 0.13 |
| May | 5.30 | 5.48 | -0.18 |
| Jun | 4.36 | 4.27 | 0.09 |
| Jul | 4.16 | 3.94 | 0.22 |
| Aug | 3.52 | 3.30 | 0.22 |
| Sep | 3.69 | 3.53 | 0.16 |
| Oct | 3.80 | 3.79 | 0.01 |
| Nov | 4.38 | 4.49 | -0.11 |
| Dec | 5.14 | 5.17 | -0.03 |
53.37 | 52.62 | 0.75 |