| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.51 | 0.00 |
| Feb | 0.67 | 0.67 | 0.00 |
| Mar | 1.45 | 1.41 | 0.04 |
| Apr | 2.77 | 2.80 | -0.03 |
| May | 4.16 | 4.18 | -0.02 |
| Jun | 3.86 | 4.03 | -0.17 |
| Jul | 3.17 | 3.26 | -0.09 |
| Aug | 3.29 | 3.40 | -0.11 |
| Sep | 2.35 | 2.36 | -0.01 |
| Oct | 2.08 | 2.11 | -0.03 |
| Nov | 0.99 | 1.04 | -0.05 |
| Dec | 0.75 | 0.74 | 0.01 |
26.05 | 26.51 | -0.46 |