| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.80 | 4.65 | 0.15 |
| Feb | 4.73 | 4.76 | -0.03 |
| Mar | 4.90 | 4.84 | 0.06 |
| Apr | 4.00 | 4.01 | -0.01 |
| May | 3.79 | 3.86 | -0.07 |
| Jun | 4.53 | 4.47 | 0.06 |
| Jul | 4.91 | 4.75 | 0.16 |
| Aug | 4.37 | 4.70 | -0.33 |
| Sep | 4.08 | 4.26 | -0.18 |
| Oct | 3.49 | 3.52 | -0.03 |
| Nov | 4.08 | 4.25 | -0.17 |
| Dec | 4.67 | 4.69 | -0.02 |
52.35 | 52.76 | -0.41 |