| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.61 | -0.06 |
| Feb | 0.45 | 0.50 | -0.05 |
| Mar | 0.64 | 0.76 | -0.12 |
| Apr | 0.46 | 0.55 | -0.09 |
| May | 0.86 | 0.85 | 0.01 |
| Jun | 0.91 | 0.93 | -0.02 |
| Jul | 2.50 | 2.53 | -0.03 |
| Aug | 2.39 | 2.49 | -0.10 |
| Sep | 1.65 | 1.93 | -0.28 |
| Oct | 1.21 | 1.35 | -0.14 |
| Nov | 0.59 | 0.69 | -0.10 |
| Dec | 0.83 | 0.80 | 0.03 |
13.04 | 13.99 | -0.95 |