| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.87 | -0.11 |
| Feb | 1.14 | 1.22 | -0.08 |
| Mar | 2.20 | 2.26 | -0.06 |
| Apr | 2.61 | 2.64 | -0.03 |
| May | 4.89 | 4.85 | 0.04 |
| Jun | 4.36 | 4.44 | -0.08 |
| Jul | 3.75 | 3.78 | -0.03 |
| Aug | 3.66 | 3.62 | 0.04 |
| Sep | 2.46 | 2.31 | 0.15 |
| Oct | 2.56 | 2.50 | 0.06 |
| Nov | 1.46 | 1.38 | 0.08 |
| Dec | 1.14 | 1.17 | -0.03 |
30.99 | 31.04 | -0.05 |