| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.29 | 6.75 | 1.54 |
| Feb | 7.13 | 5.88 | 1.25 |
| Mar | 6.93 | 6.03 | 0.90 |
| Apr | 4.18 | 4.02 | 0.16 |
| May | 1.97 | 1.85 | 0.12 |
| Jun | 0.75 | 0.87 | -0.12 |
| Jul | 0.14 | 0.22 | -0.08 |
| Aug | 0.17 | 0.19 | -0.02 |
| Sep | 0.67 | 0.65 | 0.02 |
| Oct | 2.72 | 2.35 | 0.37 |
| Nov | 5.74 | 4.91 | 0.83 |
| Dec | 9.76 | 8.21 | 1.55 |
48.45 | 41.93 | 6.52 |