| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.41 | 0.03 |
| Feb | 0.63 | 0.61 | 0.02 |
| Mar | 1.05 | 1.16 | -0.11 |
| Apr | 2.52 | 2.58 | -0.06 |
| May | 3.47 | 3.58 | -0.11 |
| Jun | 3.72 | 3.89 | -0.17 |
| Jul | 2.53 | 2.82 | -0.29 |
| Aug | 2.29 | 2.23 | 0.06 |
| Sep | 1.82 | 1.80 | 0.02 |
| Oct | 1.50 | 1.59 | -0.09 |
| Nov | 0.66 | 0.64 | 0.02 |
| Dec | 0.62 | 0.55 | 0.07 |
21.25 | 21.86 | -0.61 |