| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.44 | -0.01 |
| Feb | 1.83 | 1.86 | -0.03 |
| Mar | 2.74 | 2.80 | -0.06 |
| Apr | 4.49 | 4.56 | -0.07 |
| May | 5.47 | 5.50 | -0.03 |
| Jun | 5.12 | 5.13 | -0.01 |
| Jul | 4.46 | 4.81 | -0.35 |
| Aug | 3.69 | 3.80 | -0.11 |
| Sep | 4.03 | 4.23 | -0.20 |
| Oct | 3.34 | 3.25 | 0.09 |
| Nov | 2.55 | 2.58 | -0.03 |
| Dec | 1.96 | 1.94 | 0.02 |
41.11 | 41.90 | -0.79 |