| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.56 | 1.65 | -0.09 |
| Feb | 1.48 | 1.58 | -0.10 |
| Mar | 1.93 | 1.98 | -0.05 |
| Apr | 3.64 | 3.76 | -0.12 |
| May | 3.75 | 3.87 | -0.12 |
| Jun | 4.42 | 4.46 | -0.04 |
| Jul | 3.61 | 3.78 | -0.17 |
| Aug | 3.71 | 3.67 | 0.04 |
| Sep | 3.15 | 3.12 | 0.03 |
| Oct | 2.76 | 2.76 | 0.00 |
| Nov | 2.06 | 2.10 | -0.04 |
| Dec | 1.77 | 1.92 | -0.15 |
33.84 | 34.65 | -0.81 |