| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 0.96 | -0.01 |
| Feb | 0.99 | 0.99 | 0.00 |
| Mar | 1.86 | 1.83 | 0.03 |
| Apr | 2.99 | 3.00 | -0.01 |
| May | 4.21 | 4.27 | -0.06 |
| Jun | 5.21 | 5.13 | 0.08 |
| Jul | 4.16 | 4.04 | 0.12 |
| Aug | 4.50 | 4.65 | -0.15 |
| Sep | 3.58 | 3.70 | -0.12 |
| Oct | 2.71 | 2.66 | 0.05 |
| Nov | 1.68 | 1.74 | -0.06 |
| Dec | 1.25 | 1.29 | -0.04 |
34.09 | 34.26 | -0.17 |