| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.51 | -0.03 |
| Feb | 2.83 | 2.86 | -0.03 |
| Mar | 4.02 | 4.06 | -0.04 |
| Apr | 5.16 | 5.20 | -0.04 |
| May | 5.41 | 5.59 | -0.18 |
| Jun | 5.00 | 5.11 | -0.11 |
| Jul | 4.16 | 4.37 | -0.21 |
| Aug | 3.53 | 3.50 | 0.03 |
| Sep | 3.44 | 3.45 | -0.01 |
| Oct | 3.39 | 3.50 | -0.11 |
| Nov | 3.80 | 3.80 | 0.00 |
| Dec | 3.53 | 3.56 | -0.03 |
47.75 | 48.51 | -0.76 |