| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.04 | 0.00 |
| Feb | 1.13 | 1.08 | 0.05 |
| Mar | 1.83 | 1.81 | 0.02 |
| Apr | 3.13 | 3.03 | 0.10 |
| May | 4.09 | 4.00 | 0.09 |
| Jun | 4.83 | 4.68 | 0.15 |
| Jul | 3.66 | 3.64 | 0.02 |
| Aug | 4.11 | 3.98 | 0.13 |
| Sep | 3.60 | 3.61 | -0.01 |
| Oct | 2.68 | 2.54 | 0.14 |
| Nov | 1.86 | 1.75 | 0.11 |
| Dec | 1.28 | 1.33 | -0.05 |
33.24 | 32.49 | 0.75 |