| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.64 | -0.03 |
| Feb | 0.80 | 0.78 | 0.02 |
| Mar | 1.68 | 1.69 | -0.01 |
| Apr | 2.48 | 2.57 | -0.09 |
| May | 2.78 | 2.88 | -0.10 |
| Jun | 1.87 | 1.85 | 0.02 |
| Jul | 1.77 | 1.63 | 0.14 |
| Aug | 1.66 | 1.54 | 0.12 |
| Sep | 1.50 | 1.98 | -0.48 |
| Oct | 1.29 | 1.41 | -0.12 |
| Nov | 0.92 | 0.94 | -0.02 |
| Dec | 0.61 | 0.65 | -0.04 |
17.97 | 18.56 | -0.59 |