| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.53 | 0.02 |
| Feb | 0.80 | 0.74 | 0.06 |
| Mar | 1.34 | 1.33 | 0.01 |
| Apr | 2.92 | 2.83 | 0.09 |
| May | 3.68 | 3.76 | -0.08 |
| Jun | 4.12 | 4.11 | 0.01 |
| Jul | 2.98 | 2.97 | 0.01 |
| Aug | 3.47 | 3.27 | 0.20 |
| Sep | 2.83 | 2.73 | 0.10 |
| Oct | 2.21 | 2.35 | -0.14 |
| Nov | 1.10 | 1.02 | 0.08 |
| Dec | 0.79 | 0.78 | 0.01 |
26.79 | 26.42 | 0.37 |