| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.23 | 2.34 | -0.11 |
| Feb | 2.18 | 2.28 | -0.10 |
| Mar | 3.61 | 3.77 | -0.16 |
| Apr | 4.87 | 5.19 | -0.32 |
| May | 6.14 | 6.58 | -0.44 |
| Jun | 5.00 | 5.10 | -0.10 |
| Jul | 3.85 | 4.02 | -0.17 |
| Aug | 3.71 | 3.61 | 0.10 |
| Sep | 4.62 | 4.78 | -0.16 |
| Oct | 3.91 | 4.08 | -0.17 |
| Nov | 3.58 | 3.65 | -0.07 |
| Dec | 2.73 | 2.80 | -0.07 |
46.43 | 48.20 | -1.77 |