| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.64 | 0.09 |
| Feb | 0.78 | 0.79 | -0.01 |
| Mar | 1.49 | 1.43 | 0.06 |
| Apr | 2.65 | 2.64 | 0.01 |
| May | 3.94 | 3.85 | 0.09 |
| Jun | 4.22 | 4.20 | 0.02 |
| Jul | 4.21 | 4.24 | -0.03 |
| Aug | 3.96 | 3.94 | 0.02 |
| Sep | 3.17 | 3.04 | 0.13 |
| Oct | 2.76 | 2.77 | -0.01 |
| Nov | 1.51 | 1.45 | 0.06 |
| Dec | 0.98 | 0.99 | -0.01 |
30.40 | 29.98 | 0.42 |