| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.17 | 0.06 |
| Feb | 2.78 | 2.65 | 0.13 |
| Mar | 3.39 | 3.43 | -0.04 |
| Apr | 3.88 | 4.02 | -0.14 |
| May | 4.44 | 4.64 | -0.20 |
| Jun | 5.44 | 5.26 | 0.18 |
| Jul | 5.20 | 5.22 | -0.02 |
| Aug | 4.66 | 4.85 | -0.19 |
| Sep | 4.30 | 4.18 | 0.12 |
| Oct | 5.08 | 5.09 | -0.01 |
| Nov | 3.88 | 3.91 | -0.03 |
| Dec | 3.93 | 3.89 | 0.04 |
50.21 | 50.31 | -0.10 |