| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 0.93 | 0.06 |
| Feb | 1.02 | 1.06 | -0.04 |
| Mar | 1.89 | 1.76 | 0.13 |
| Apr | 3.20 | 2.99 | 0.21 |
| May | 4.28 | 4.48 | -0.20 |
| Jun | 5.31 | 5.32 | -0.01 |
| Jul | 4.04 | 4.23 | -0.19 |
| Aug | 4.43 | 4.27 | 0.16 |
| Sep | 3.75 | 3.80 | -0.05 |
| Oct | 2.46 | 2.56 | -0.10 |
| Nov | 1.77 | 1.57 | 0.20 |
| Dec | 1.32 | 1.23 | 0.09 |
34.46 | 34.20 | 0.26 |