| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.86 | -0.03 |
| Feb | 1.05 | 1.12 | -0.07 |
| Mar | 1.89 | 1.93 | -0.04 |
| Apr | 3.63 | 3.64 | -0.01 |
| May | 5.09 | 4.91 | 0.18 |
| Jun | 5.17 | 5.13 | 0.04 |
| Jul | 4.07 | 4.13 | -0.06 |
| Aug | 4.29 | 4.03 | 0.26 |
| Sep | 3.40 | 3.27 | 0.13 |
| Oct | 2.60 | 2.64 | -0.04 |
| Nov | 1.62 | 1.68 | -0.06 |
| Dec | 1.21 | 1.30 | -0.09 |
34.85 | 34.64 | 0.21 |