| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 1.06 | -0.07 |
| Feb | 0.94 | 1.07 | -0.13 |
| Mar | 1.44 | 1.50 | -0.06 |
| Apr | 2.44 | 2.57 | -0.13 |
| May | 3.16 | 3.27 | -0.11 |
| Jun | 4.30 | 4.41 | -0.11 |
| Jul | 3.89 | 3.86 | 0.03 |
| Aug | 3.42 | 3.50 | -0.08 |
| Sep | 3.30 | 3.50 | -0.20 |
| Oct | 2.95 | 3.05 | -0.10 |
| Nov | 1.82 | 2.00 | -0.18 |
| Dec | 1.36 | 1.58 | -0.22 |
30.01 | 31.37 | -1.36 |