| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.05 | 0.18 |
| Feb | 2.86 | 2.84 | 0.02 |
| Mar | 3.23 | 3.30 | -0.07 |
| Apr | 2.68 | 2.53 | 0.15 |
| May | 3.03 | 3.23 | -0.20 |
| Jun | 7.42 | 8.16 | -0.74 |
| Jul | 8.08 | 8.34 | -0.26 |
| Aug | 8.06 | 8.61 | -0.55 |
| Sep | 5.83 | 6.24 | -0.41 |
| Oct | 2.78 | 2.65 | 0.13 |
| Nov | 1.93 | 1.91 | 0.02 |
| Dec | 2.57 | 2.73 | -0.16 |
51.70 | 53.59 | -1.89 |