| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.26 | -0.17 |
| Feb | 1.82 | 1.94 | -0.12 |
| Mar | 2.58 | 2.63 | -0.05 |
| Apr | 3.78 | 3.73 | 0.05 |
| May | 4.54 | 4.51 | 0.03 |
| Jun | 4.02 | 3.99 | 0.03 |
| Jul | 4.08 | 3.89 | 0.19 |
| Aug | 3.60 | 3.61 | -0.01 |
| Sep | 3.07 | 3.27 | -0.20 |
| Oct | 3.26 | 3.27 | -0.01 |
| Nov | 2.80 | 2.73 | 0.07 |
| Dec | 2.17 | 2.28 | -0.11 |
37.81 | 38.11 | -0.30 |