| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.54 | 2.64 | -0.10 |
| Feb | 2.84 | 2.86 | -0.02 |
| Mar | 3.89 | 3.83 | 0.06 |
| Apr | 3.68 | 3.70 | -0.02 |
| May | 4.83 | 4.93 | -0.10 |
| Jun | 3.73 | 3.70 | 0.03 |
| Jul | 2.29 | 2.22 | 0.07 |
| Aug | 2.34 | 2.31 | 0.03 |
| Sep | 3.13 | 3.06 | 0.07 |
| Oct | 4.82 | 4.67 | 0.15 |
| Nov | 3.10 | 3.17 | -0.07 |
| Dec | 3.28 | 3.34 | -0.06 |
40.47 | 40.43 | 0.04 |