| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.69 | -0.02 |
| Feb | 0.73 | 0.77 | -0.04 |
| Mar | 1.55 | 1.44 | 0.11 |
| Apr | 2.52 | 2.49 | 0.03 |
| May | 3.53 | 3.39 | 0.14 |
| Jun | 4.41 | 4.47 | -0.06 |
| Jul | 3.76 | 3.49 | 0.27 |
| Aug | 3.85 | 3.80 | 0.05 |
| Sep | 2.91 | 2.87 | 0.04 |
| Oct | 2.33 | 2.26 | 0.07 |
| Nov | 1.20 | 1.22 | -0.02 |
| Dec | 0.86 | 0.85 | 0.01 |
28.32 | 27.74 | 0.58 |