| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.79 | 0.04 |
| Feb | 0.87 | 0.86 | 0.01 |
| Mar | 1.68 | 1.74 | -0.06 |
| Apr | 3.35 | 3.21 | 0.14 |
| May | 4.39 | 4.50 | -0.11 |
| Jun | 4.97 | 4.99 | -0.02 |
| Jul | 4.04 | 4.22 | -0.18 |
| Aug | 3.86 | 3.80 | 0.06 |
| Sep | 3.27 | 3.48 | -0.21 |
| Oct | 2.42 | 2.51 | -0.09 |
| Nov | 1.51 | 1.47 | 0.04 |
| Dec | 1.13 | 1.11 | 0.02 |
32.32 | 32.68 | -0.36 |