| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.47 | -0.02 |
| Feb | 0.52 | 0.54 | -0.02 |
| Mar | 1.12 | 1.13 | -0.01 |
| Apr | 1.58 | 1.64 | -0.06 |
| May | 2.52 | 2.74 | -0.22 |
| Jun | 3.11 | 3.03 | 0.08 |
| Jul | 3.24 | 3.16 | 0.08 |
| Aug | 2.76 | 2.80 | -0.04 |
| Sep | 1.36 | 1.34 | 0.02 |
| Oct | 1.48 | 1.39 | 0.09 |
| Nov | 0.55 | 0.51 | 0.04 |
| Dec | 0.63 | 0.73 | -0.10 |
19.32 | 19.48 | -0.16 |