| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.84 | -0.10 |
| Feb | 0.77 | 0.86 | -0.09 |
| Mar | 1.53 | 1.55 | -0.02 |
| Apr | 2.93 | 2.90 | 0.03 |
| May | 4.15 | 4.25 | -0.10 |
| Jun | 4.94 | 4.58 | 0.36 |
| Jul | 3.98 | 3.95 | 0.03 |
| Aug | 4.19 | 4.41 | -0.22 |
| Sep | 3.33 | 3.19 | 0.14 |
| Oct | 2.48 | 2.47 | 0.01 |
| Nov | 1.50 | 1.51 | -0.01 |
| Dec | 1.09 | 1.19 | -0.10 |
31.63 | 31.70 | -0.07 |