| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.50 | 0.04 |
| Feb | 2.76 | 2.88 | -0.12 |
| Mar | 3.98 | 4.01 | -0.03 |
| Apr | 3.87 | 3.89 | -0.02 |
| May | 3.97 | 4.18 | -0.21 |
| Jun | 4.45 | 4.48 | -0.03 |
| Jul | 5.07 | 5.34 | -0.27 |
| Aug | 4.63 | 4.62 | 0.01 |
| Sep | 4.83 | 4.99 | -0.16 |
| Oct | 4.34 | 4.58 | -0.24 |
| Nov | 3.48 | 3.50 | -0.02 |
| Dec | 4.19 | 4.33 | -0.14 |
49.11 | 50.30 | -1.19 |