| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 2.12 | -0.23 |
| Feb | 2.03 | 2.19 | -0.16 |
| Mar | 2.91 | 3.07 | -0.16 |
| Apr | 4.60 | 4.48 | 0.12 |
| May | 4.92 | 5.01 | -0.09 |
| Jun | 4.56 | 4.65 | -0.09 |
| Jul | 4.45 | 4.41 | 0.04 |
| Aug | 3.68 | 3.86 | -0.18 |
| Sep | 3.87 | 3.94 | -0.07 |
| Oct | 3.47 | 3.39 | 0.08 |
| Nov | 2.74 | 2.81 | -0.07 |
| Dec | 2.05 | 2.07 | -0.02 |
41.17 | 42.00 | -0.83 |