| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.67 | -0.07 |
| Feb | 0.56 | 0.66 | -0.10 |
| Mar | 0.74 | 0.94 | -0.20 |
| Apr | 0.99 | 1.02 | -0.03 |
| May | 2.66 | 2.67 | -0.01 |
| Jun | 3.96 | 4.20 | -0.24 |
| Jul | 2.91 | 3.16 | -0.25 |
| Aug | 2.43 | 2.45 | -0.02 |
| Sep | 1.65 | 1.83 | -0.18 |
| Oct | 1.51 | 1.59 | -0.08 |
| Nov | 0.77 | 0.89 | -0.12 |
| Dec | 0.76 | 0.85 | -0.09 |
19.54 | 20.93 | -1.39 |