| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.34 | 0.02 |
| Feb | 2.81 | 2.78 | 0.03 |
| Mar | 3.70 | 3.62 | 0.08 |
| Apr | 3.59 | 3.50 | 0.09 |
| May | 3.87 | 3.75 | 0.12 |
| Jun | 4.58 | 4.54 | 0.04 |
| Jul | 4.52 | 4.61 | -0.09 |
| Aug | 4.45 | 4.49 | -0.04 |
| Sep | 4.70 | 4.43 | 0.27 |
| Oct | 4.66 | 4.54 | 0.12 |
| Nov | 3.58 | 3.44 | 0.14 |
| Dec | 4.14 | 4.14 | 0.00 |
47.96 | 47.18 | 0.78 |