| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.24 | -0.13 |
| Feb | 2.61 | 2.81 | -0.20 |
| Mar | 3.90 | 4.04 | -0.14 |
| Apr | 3.56 | 3.56 | 0.00 |
| May | 4.25 | 4.23 | 0.02 |
| Jun | 4.28 | 4.20 | 0.08 |
| Jul | 4.43 | 4.14 | 0.29 |
| Aug | 3.62 | 3.87 | -0.25 |
| Sep | 4.50 | 4.48 | 0.02 |
| Oct | 3.88 | 4.13 | -0.25 |
| Nov | 3.22 | 3.29 | -0.07 |
| Dec | 3.61 | 3.90 | -0.29 |
44.97 | 45.89 | -0.92 |