| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.62 | 0.02 |
| Feb | 0.73 | 0.75 | -0.02 |
| Mar | 1.44 | 1.47 | -0.03 |
| Apr | 2.31 | 2.31 | 0.00 |
| May | 4.22 | 4.36 | -0.14 |
| Jun | 3.76 | 3.70 | 0.06 |
| Jul | 3.99 | 4.09 | -0.10 |
| Aug | 3.30 | 3.28 | 0.02 |
| Sep | 2.24 | 2.17 | 0.07 |
| Oct | 1.96 | 2.03 | -0.07 |
| Nov | 1.21 | 1.18 | 0.03 |
| Dec | 0.85 | 0.87 | -0.02 |
26.65 | 26.83 | -0.18 |