| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.68 | -0.10 |
| Feb | 1.50 | 1.61 | -0.11 |
| Mar | 1.95 | 2.00 | -0.05 |
| Apr | 3.64 | 3.74 | -0.10 |
| May | 3.87 | 3.90 | -0.03 |
| Jun | 4.61 | 4.57 | 0.04 |
| Jul | 3.77 | 3.86 | -0.09 |
| Aug | 3.82 | 3.74 | 0.08 |
| Sep | 3.22 | 3.11 | 0.11 |
| Oct | 2.81 | 2.82 | -0.01 |
| Nov | 2.10 | 2.13 | -0.03 |
| Dec | 1.80 | 1.96 | -0.16 |
34.67 | 35.12 | -0.45 |