| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.77 | -0.08 |
| Feb | 1.05 | 1.12 | -0.07 |
| Mar | 2.01 | 2.10 | -0.09 |
| Apr | 3.30 | 3.24 | 0.06 |
| May | 4.92 | 4.90 | 0.02 |
| Jun | 4.54 | 4.73 | -0.19 |
| Jul | 4.40 | 4.58 | -0.18 |
| Aug | 3.43 | 3.68 | -0.25 |
| Sep | 3.09 | 3.26 | -0.17 |
| Oct | 2.61 | 2.62 | -0.01 |
| Nov | 1.58 | 1.74 | -0.16 |
| Dec | 1.21 | 1.22 | -0.01 |
32.83 | 33.96 | -1.13 |