| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.34 | -0.41 |
| Feb | 2.47 | 2.57 | -0.10 |
| Mar | 3.20 | 3.90 | -0.70 |
| Apr | 3.65 | 4.03 | -0.38 |
| May | 4.02 | 4.16 | -0.14 |
| Jun | 4.76 | 5.11 | -0.35 |
| Jul | 4.36 | 4.79 | -0.43 |
| Aug | 4.54 | 4.79 | -0.25 |
| Sep | 4.58 | 4.79 | -0.21 |
| Oct | 4.45 | 4.76 | -0.31 |
| Nov | 3.23 | 3.68 | -0.45 |
| Dec | 3.56 | 3.69 | -0.13 |
45.75 | 49.61 | -3.86 |