| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.77 | 0.01 |
| Feb | 1.17 | 1.22 | -0.05 |
| Mar | 2.16 | 2.20 | -0.04 |
| Apr | 3.17 | 3.16 | 0.01 |
| May | 4.86 | 4.96 | -0.10 |
| Jun | 4.56 | 4.47 | 0.09 |
| Jul | 4.42 | 4.34 | 0.08 |
| Aug | 4.15 | 4.23 | -0.08 |
| Sep | 2.96 | 3.06 | -0.10 |
| Oct | 2.48 | 2.44 | 0.04 |
| Nov | 1.50 | 1.53 | -0.03 |
| Dec | 1.20 | 1.22 | -0.02 |
33.41 | 33.60 | -0.19 |