| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.47 | -0.02 |
| Feb | 0.51 | 0.53 | -0.02 |
| Mar | 1.10 | 1.14 | -0.04 |
| Apr | 1.58 | 1.66 | -0.08 |
| May | 2.53 | 2.80 | -0.27 |
| Jun | 3.09 | 3.04 | 0.05 |
| Jul | 3.27 | 3.14 | 0.13 |
| Aug | 2.76 | 2.85 | -0.09 |
| Sep | 1.37 | 1.37 | 0.00 |
| Oct | 1.46 | 1.44 | 0.02 |
| Nov | 0.55 | 0.54 | 0.01 |
| Dec | 0.62 | 0.74 | -0.12 |
19.29 | 19.72 | -0.43 |