| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.71 | -0.24 |
| Feb | 3.36 | 3.47 | -0.11 |
| Mar | 4.28 | 4.60 | -0.32 |
| Apr | 4.08 | 4.23 | -0.15 |
| May | 3.61 | 3.61 | 0.00 |
| Jun | 4.17 | 4.11 | 0.06 |
| Jul | 3.57 | 3.71 | -0.14 |
| Aug | 3.53 | 3.68 | -0.15 |
| Sep | 3.82 | 3.73 | 0.09 |
| Oct | 4.63 | 4.76 | -0.13 |
| Nov | 3.88 | 3.88 | 0.00 |
| Dec | 4.44 | 4.78 | -0.34 |
46.84 | 48.27 | -1.43 |