| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.05 | -0.12 |
| Feb | 2.27 | 2.36 | -0.09 |
| Mar | 2.91 | 2.96 | -0.05 |
| Apr | 3.65 | 3.78 | -0.13 |
| May | 3.52 | 3.80 | -0.28 |
| Jun | 3.88 | 3.82 | 0.06 |
| Jul | 4.07 | 4.16 | -0.09 |
| Aug | 3.67 | 3.70 | -0.03 |
| Sep | 3.93 | 4.00 | -0.07 |
| Oct | 3.91 | 4.23 | -0.32 |
| Nov | 3.53 | 3.73 | -0.20 |
| Dec | 3.20 | 3.65 | -0.45 |
41.47 | 43.24 | -1.77 |