| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.60 | 0.01 |
| Feb | 0.56 | 0.58 | -0.02 |
| Mar | 1.14 | 1.15 | -0.01 |
| Apr | 2.15 | 2.16 | -0.01 |
| May | 3.21 | 3.13 | 0.08 |
| Jun | 4.28 | 4.24 | 0.04 |
| Jul | 4.35 | 4.15 | 0.20 |
| Aug | 3.53 | 3.54 | -0.01 |
| Sep | 2.85 | 2.76 | 0.09 |
| Oct | 2.49 | 2.46 | 0.03 |
| Nov | 1.01 | 0.99 | 0.02 |
| Dec | 0.71 | 0.80 | -0.09 |
26.89 | 26.56 | 0.33 |