| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.73 | -0.01 |
| Feb | 1.00 | 1.07 | -0.07 |
| Mar | 1.79 | 1.81 | -0.02 |
| Apr | 2.56 | 2.60 | -0.04 |
| May | 4.89 | 4.90 | -0.01 |
| Jun | 3.96 | 3.93 | 0.03 |
| Jul | 3.92 | 3.93 | -0.01 |
| Aug | 3.74 | 3.85 | -0.11 |
| Sep | 2.64 | 2.61 | 0.03 |
| Oct | 2.18 | 2.17 | 0.01 |
| Nov | 1.17 | 1.22 | -0.05 |
| Dec | 1.09 | 1.05 | 0.04 |
29.66 | 29.87 | -0.21 |