| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.76 | 0.04 |
| Feb | 0.99 | 1.00 | -0.01 |
| Mar | 1.75 | 1.78 | -0.03 |
| Apr | 2.83 | 2.87 | -0.04 |
| May | 5.37 | 5.43 | -0.06 |
| Jun | 4.73 | 4.88 | -0.15 |
| Jul | 4.05 | 4.00 | 0.05 |
| Aug | 3.53 | 3.40 | 0.13 |
| Sep | 3.00 | 3.10 | -0.10 |
| Oct | 2.44 | 2.47 | -0.03 |
| Nov | 1.40 | 1.44 | -0.04 |
| Dec | 1.19 | 1.17 | 0.02 |
32.08 | 32.30 | -0.22 |