| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.58 | -0.06 |
| Feb | 2.96 | 3.03 | -0.07 |
| Mar | 4.49 | 4.50 | -0.01 |
| Apr | 3.41 | 3.57 | -0.16 |
| May | 3.36 | 3.43 | -0.07 |
| Jun | 3.88 | 4.08 | -0.20 |
| Jul | 4.70 | 4.57 | 0.13 |
| Aug | 4.76 | 4.91 | -0.15 |
| Sep | 3.77 | 4.00 | -0.23 |
| Oct | 4.14 | 4.14 | 0.00 |
| Nov | 3.35 | 3.35 | 0.00 |
| Dec | 4.39 | 4.47 | -0.08 |
46.73 | 47.63 | -0.90 |