| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.21 | -0.28 |
| Feb | 2.26 | 2.46 | -0.20 |
| Mar | 3.00 | 3.18 | -0.18 |
| Apr | 3.65 | 3.83 | -0.18 |
| May | 3.80 | 3.86 | -0.06 |
| Jun | 4.04 | 4.01 | 0.03 |
| Jul | 4.07 | 4.17 | -0.10 |
| Aug | 3.68 | 3.81 | -0.13 |
| Sep | 4.07 | 3.98 | 0.09 |
| Oct | 3.78 | 3.96 | -0.18 |
| Nov | 3.48 | 3.47 | 0.01 |
| Dec | 3.13 | 3.41 | -0.28 |
41.89 | 43.35 | -1.46 |