| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.19 | -0.11 |
| Feb | 2.48 | 2.56 | -0.08 |
| Mar | 3.35 | 3.47 | -0.12 |
| Apr | 4.45 | 4.78 | -0.33 |
| May | 4.75 | 4.84 | -0.09 |
| Jun | 5.08 | 5.11 | -0.03 |
| Jul | 4.36 | 4.37 | -0.01 |
| Aug | 3.28 | 3.17 | 0.11 |
| Sep | 3.25 | 3.61 | -0.36 |
| Oct | 3.51 | 3.41 | 0.10 |
| Nov | 3.44 | 3.64 | -0.20 |
| Dec | 2.95 | 3.10 | -0.15 |
43.98 | 45.25 | -1.27 |