| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.67 | 0.01 |
| Feb | 0.96 | 0.94 | 0.02 |
| Mar | 1.61 | 1.62 | -0.01 |
| Apr | 2.75 | 2.76 | -0.01 |
| May | 4.54 | 4.48 | 0.06 |
| Jun | 4.07 | 4.30 | -0.23 |
| Jul | 4.31 | 4.34 | -0.03 |
| Aug | 3.72 | 3.61 | 0.11 |
| Sep | 2.86 | 2.97 | -0.11 |
| Oct | 2.11 | 2.16 | -0.05 |
| Nov | 1.29 | 1.34 | -0.05 |
| Dec | 1.00 | 0.99 | 0.01 |
29.90 | 30.18 | -0.28 |