| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.73 | -0.01 |
| Feb | 1.63 | 1.72 | -0.09 |
| Mar | 2.19 | 2.20 | -0.01 |
| Apr | 3.74 | 3.68 | 0.06 |
| May | 4.23 | 4.28 | -0.05 |
| Jun | 4.86 | 5.12 | -0.26 |
| Jul | 3.78 | 3.63 | 0.15 |
| Aug | 4.01 | 3.85 | 0.16 |
| Sep | 3.45 | 3.64 | -0.19 |
| Oct | 3.00 | 2.92 | 0.08 |
| Nov | 2.35 | 2.36 | -0.01 |
| Dec | 2.03 | 1.99 | 0.04 |
36.99 | 37.12 | -0.13 |