| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.28 | 0.26 | 0.02 |
| Feb | 0.43 | 0.47 | -0.04 |
| Mar | 0.78 | 0.79 | -0.01 |
| Apr | 1.76 | 1.88 | -0.12 |
| May | 2.76 | 2.77 | -0.01 |
| Jun | 2.74 | 2.58 | 0.16 |
| Jul | 2.33 | 2.22 | 0.11 |
| Aug | 2.02 | 2.16 | -0.14 |
| Sep | 1.45 | 1.44 | 0.01 |
| Oct | 1.14 | 1.09 | 0.05 |
| Nov | 0.44 | 0.42 | 0.02 |
| Dec | 0.33 | 0.36 | -0.03 |
16.46 | 16.44 | 0.02 |