| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.15 | 4.14 | 0.01 |
| Feb | 3.75 | 3.61 | 0.14 |
| Mar | 5.16 | 5.17 | -0.01 |
| Apr | 4.51 | 4.58 | -0.07 |
| May | 3.64 | 3.54 | 0.10 |
| Jun | 4.01 | 3.84 | 0.17 |
| Jul | 3.29 | 3.30 | -0.01 |
| Aug | 3.61 | 3.73 | -0.12 |
| Sep | 3.94 | 3.81 | 0.13 |
| Oct | 4.83 | 5.00 | -0.17 |
| Nov | 4.33 | 4.34 | -0.01 |
| Dec | 4.90 | 5.03 | -0.13 |
50.12 | 50.09 | 0.03 |