| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.36 | 0.02 |
| Feb | 2.85 | 2.89 | -0.04 |
| Mar | 4.17 | 4.14 | 0.03 |
| Apr | 5.00 | 4.93 | 0.07 |
| May | 5.05 | 5.14 | -0.09 |
| Jun | 4.80 | 4.63 | 0.17 |
| Jul | 4.25 | 4.16 | 0.09 |
| Aug | 3.08 | 3.09 | -0.01 |
| Sep | 3.72 | 3.47 | 0.25 |
| Oct | 3.54 | 3.51 | 0.03 |
| Nov | 3.86 | 3.87 | -0.01 |
| Dec | 3.47 | 3.62 | -0.15 |
47.17 | 46.81 | 0.36 |