| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.90 | 4.01 | -0.11 |
| Feb | 3.86 | 4.09 | -0.23 |
| Mar | 4.26 | 4.15 | 0.11 |
| Apr | 3.23 | 3.28 | -0.05 |
| May | 3.05 | 2.90 | 0.15 |
| Jun | 4.66 | 4.92 | -0.26 |
| Jul | 4.83 | 4.93 | -0.10 |
| Aug | 4.71 | 5.01 | -0.30 |
| Sep | 3.79 | 3.97 | -0.18 |
| Oct | 2.96 | 2.93 | 0.03 |
| Nov | 2.75 | 2.67 | 0.08 |
| Dec | 3.87 | 4.03 | -0.16 |
45.87 | 46.89 | -1.02 |