| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.25 | 4.50 | -0.25 |
| Feb | 3.81 | 4.15 | -0.34 |
| Mar | 4.52 | 4.76 | -0.24 |
| Apr | 4.50 | 4.65 | -0.15 |
| May | 5.25 | 5.28 | -0.03 |
| Jun | 5.06 | 5.25 | -0.19 |
| Jul | 4.97 | 5.44 | -0.47 |
| Aug | 4.34 | 4.45 | -0.11 |
| Sep | 3.92 | 4.00 | -0.08 |
| Oct | 3.73 | 3.64 | 0.09 |
| Nov | 3.41 | 3.59 | -0.18 |
| Dec | 4.34 | 4.45 | -0.11 |
52.10 | 54.16 | -2.06 |