| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.34 | 0.11 |
| Feb | 3.13 | 2.97 | 0.16 |
| Mar | 3.43 | 3.50 | -0.07 |
| Apr | 3.20 | 3.19 | 0.01 |
| May | 2.90 | 2.89 | 0.01 |
| Jun | 5.86 | 6.10 | -0.24 |
| Jul | 5.36 | 5.53 | -0.17 |
| Aug | 6.47 | 7.07 | -0.60 |
| Sep | 5.07 | 5.27 | -0.20 |
| Oct | 3.91 | 4.51 | -0.60 |
| Nov | 2.11 | 2.09 | 0.02 |
| Dec | 3.03 | 2.99 | 0.04 |
47.92 | 49.45 | -1.53 |