| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.41 | 0.01 |
| Feb | 2.92 | 2.81 | 0.11 |
| Mar | 3.25 | 3.36 | -0.11 |
| Apr | 2.92 | 2.95 | -0.03 |
| May | 4.83 | 4.54 | 0.29 |
| Jun | 3.79 | 3.96 | -0.17 |
| Jul | 2.13 | 2.03 | 0.10 |
| Aug | 2.91 | 3.14 | -0.23 |
| Sep | 3.56 | 3.62 | -0.06 |
| Oct | 4.61 | 4.58 | 0.03 |
| Nov | 3.79 | 3.66 | 0.13 |
| Dec | 3.73 | 3.77 | -0.04 |
41.86 | 41.83 | 0.03 |