| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.53 | 0.01 |
| Feb | 3.36 | 3.55 | -0.19 |
| Mar | 3.50 | 3.67 | -0.17 |
| Apr | 3.43 | 3.53 | -0.10 |
| May | 3.86 | 4.01 | -0.15 |
| Jun | 5.18 | 5.24 | -0.06 |
| Jul | 5.26 | 5.71 | -0.45 |
| Aug | 5.52 | 5.79 | -0.27 |
| Sep | 4.97 | 5.27 | -0.30 |
| Oct | 3.71 | 3.86 | -0.15 |
| Nov | 2.99 | 3.07 | -0.08 |
| Dec | 3.69 | 3.77 | -0.08 |
49.01 | 51.00 | -1.99 |