| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.62 | -0.21 |
| Feb | 2.85 | 2.95 | -0.10 |
| Mar | 3.94 | 3.93 | 0.01 |
| Apr | 3.91 | 3.75 | 0.16 |
| May | 3.80 | 3.80 | 0.00 |
| Jun | 4.49 | 4.41 | 0.08 |
| Jul | 4.55 | 4.67 | -0.12 |
| Aug | 4.33 | 4.92 | -0.59 |
| Sep | 4.51 | 4.58 | -0.07 |
| Oct | 4.70 | 4.69 | 0.01 |
| Nov | 3.83 | 3.78 | 0.05 |
| Dec | 4.12 | 4.38 | -0.26 |
48.44 | 49.48 | -1.04 |