| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.68 | -0.03 |
| Feb | 0.62 | 0.64 | -0.02 |
| Mar | 1.08 | 1.12 | -0.04 |
| Apr | 1.93 | 2.02 | -0.09 |
| May | 3.09 | 3.23 | -0.14 |
| Jun | 4.24 | 4.25 | -0.01 |
| Jul | 3.76 | 3.91 | -0.15 |
| Aug | 2.92 | 2.99 | -0.07 |
| Sep | 2.85 | 2.96 | -0.11 |
| Oct | 2.57 | 2.60 | -0.03 |
| Nov | 1.05 | 1.13 | -0.08 |
| Dec | 0.78 | 0.93 | -0.15 |
25.54 | 26.46 | -0.92 |