| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.75 | -0.05 |
| Feb | 0.80 | 0.85 | -0.05 |
| Mar | 1.45 | 1.57 | -0.12 |
| Apr | 2.68 | 2.74 | -0.06 |
| May | 4.02 | 4.06 | -0.04 |
| Jun | 4.32 | 4.26 | 0.06 |
| Jul | 4.18 | 4.19 | -0.01 |
| Aug | 3.93 | 4.02 | -0.09 |
| Sep | 3.19 | 3.19 | 0.00 |
| Oct | 2.76 | 2.79 | -0.03 |
| Nov | 1.48 | 1.58 | -0.10 |
| Dec | 1.00 | 1.08 | -0.08 |
30.51 | 31.08 | -0.57 |