| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.64 | -0.01 |
| Feb | 0.61 | 0.62 | -0.01 |
| Mar | 1.10 | 1.13 | -0.03 |
| Apr | 2.09 | 2.08 | 0.01 |
| May | 3.25 | 3.17 | 0.08 |
| Jun | 4.27 | 4.32 | -0.05 |
| Jul | 4.34 | 4.25 | 0.09 |
| Aug | 3.35 | 3.46 | -0.11 |
| Sep | 2.87 | 2.71 | 0.16 |
| Oct | 2.53 | 2.47 | 0.06 |
| Nov | 0.99 | 0.94 | 0.05 |
| Dec | 0.73 | 0.81 | -0.08 |
26.76 | 26.60 | 0.16 |