| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.48 | -0.16 |
| Feb | 2.72 | 2.89 | -0.17 |
| Mar | 3.85 | 4.00 | -0.15 |
| Apr | 3.78 | 3.88 | -0.10 |
| May | 3.91 | 4.14 | -0.23 |
| Jun | 4.28 | 4.29 | -0.01 |
| Jul | 5.07 | 5.10 | -0.03 |
| Aug | 4.45 | 4.55 | -0.10 |
| Sep | 4.73 | 4.80 | -0.07 |
| Oct | 4.18 | 4.50 | -0.32 |
| Nov | 3.30 | 3.41 | -0.11 |
| Dec | 4.07 | 4.26 | -0.19 |
47.66 | 49.30 | -1.64 |