| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.91 | -0.02 |
| Feb | 1.09 | 1.15 | -0.06 |
| Mar | 1.92 | 1.96 | -0.04 |
| Apr | 3.62 | 3.75 | -0.13 |
| May | 4.71 | 4.93 | -0.22 |
| Jun | 5.10 | 5.32 | -0.22 |
| Jul | 3.92 | 4.08 | -0.16 |
| Aug | 4.28 | 4.62 | -0.34 |
| Sep | 2.89 | 3.03 | -0.14 |
| Oct | 2.25 | 2.50 | -0.25 |
| Nov | 1.53 | 1.64 | -0.11 |
| Dec | 1.31 | 1.30 | 0.01 |
33.51 | 35.19 | -1.68 |