| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.66 | -0.05 |
| Feb | 0.58 | 0.63 | -0.05 |
| Mar | 1.09 | 1.15 | -0.06 |
| Apr | 1.91 | 2.06 | -0.15 |
| May | 3.12 | 3.30 | -0.18 |
| Jun | 4.26 | 4.27 | -0.01 |
| Jul | 3.80 | 4.02 | -0.22 |
| Aug | 2.80 | 2.97 | -0.17 |
| Sep | 2.88 | 2.92 | -0.04 |
| Oct | 2.54 | 2.66 | -0.12 |
| Nov | 1.01 | 1.10 | -0.09 |
| Dec | 0.73 | 0.91 | -0.18 |
25.33 | 26.65 | -1.32 |