| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.55 | -0.01 |
| Feb | 3.09 | 3.07 | 0.02 |
| Mar | 3.91 | 3.88 | 0.03 |
| Apr | 3.65 | 3.67 | -0.02 |
| May | 3.86 | 3.86 | 0.00 |
| Jun | 4.53 | 4.41 | 0.12 |
| Jul | 5.42 | 5.30 | 0.12 |
| Aug | 5.55 | 5.43 | 0.12 |
| Sep | 5.97 | 6.39 | -0.42 |
| Oct | 3.23 | 3.45 | -0.22 |
| Nov | 3.28 | 3.32 | -0.04 |
| Dec | 3.44 | 3.45 | -0.01 |
49.47 | 49.78 | -0.31 |