| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.45 | 0.15 |
| Feb | 2.20 | 2.01 | 0.19 |
| Mar | 2.96 | 2.92 | 0.04 |
| Apr | 2.51 | 2.58 | -0.07 |
| May | 3.78 | 3.87 | -0.09 |
| Jun | 8.70 | 8.40 | 0.30 |
| Jul | 7.36 | 7.32 | 0.04 |
| Aug | 7.74 | 7.70 | 0.04 |
| Sep | 6.52 | 6.36 | 0.16 |
| Oct | 2.97 | 2.99 | -0.02 |
| Nov | 1.76 | 1.77 | -0.01 |
| Dec | 2.33 | 2.42 | -0.09 |
51.43 | 50.79 | 0.64 |