| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.79 | -0.01 |
| Feb | 1.08 | 1.14 | -0.06 |
| Mar | 1.91 | 1.96 | -0.05 |
| Apr | 2.74 | 2.78 | -0.04 |
| May | 4.91 | 5.11 | -0.20 |
| Jun | 4.01 | 4.16 | -0.15 |
| Jul | 4.20 | 4.34 | -0.14 |
| Aug | 3.83 | 4.03 | -0.20 |
| Sep | 2.76 | 2.80 | -0.04 |
| Oct | 2.28 | 2.26 | 0.02 |
| Nov | 1.33 | 1.41 | -0.08 |
| Dec | 1.18 | 1.21 | -0.03 |
31.01 | 31.99 | -0.98 |