| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.82 | 0.02 |
| Feb | 0.88 | 0.93 | -0.05 |
| Mar | 1.52 | 1.52 | 0.00 |
| Apr | 2.69 | 2.80 | -0.11 |
| May | 3.80 | 3.86 | -0.06 |
| Jun | 4.24 | 4.25 | -0.01 |
| Jul | 4.33 | 4.17 | 0.16 |
| Aug | 4.00 | 4.00 | 0.00 |
| Sep | 3.50 | 3.53 | -0.03 |
| Oct | 3.06 | 3.21 | -0.15 |
| Nov | 1.74 | 1.67 | 0.07 |
| Dec | 1.21 | 1.23 | -0.02 |
31.81 | 31.99 | -0.18 |