| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.78 | -0.31 |
| Feb | 2.09 | 2.20 | -0.11 |
| Mar | 2.86 | 3.03 | -0.17 |
| Apr | 3.51 | 3.70 | -0.19 |
| May | 3.81 | 3.90 | -0.09 |
| Jun | 4.32 | 4.23 | 0.09 |
| Jul | 3.93 | 3.87 | 0.06 |
| Aug | 3.52 | 3.56 | -0.04 |
| Sep | 3.31 | 3.40 | -0.09 |
| Oct | 3.02 | 3.16 | -0.14 |
| Nov | 2.73 | 2.81 | -0.08 |
| Dec | 2.61 | 2.82 | -0.21 |
38.18 | 39.46 | -1.28 |