| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.62 | -0.12 |
| Feb | 2.10 | 2.18 | -0.08 |
| Mar | 3.43 | 3.44 | -0.01 |
| Apr | 4.63 | 4.67 | -0.04 |
| May | 4.94 | 4.95 | -0.01 |
| Jun | 4.44 | 4.52 | -0.08 |
| Jul | 3.79 | 3.92 | -0.13 |
| Aug | 3.40 | 3.49 | -0.09 |
| Sep | 3.38 | 3.31 | 0.07 |
| Oct | 3.08 | 3.16 | -0.08 |
| Nov | 3.32 | 3.51 | -0.19 |
| Dec | 2.64 | 2.66 | -0.02 |
41.65 | 42.43 | -0.78 |