| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.59 | -0.15 |
| Feb | 2.69 | 2.88 | -0.19 |
| Mar | 3.90 | 4.05 | -0.15 |
| Apr | 3.90 | 4.01 | -0.11 |
| May | 4.02 | 3.99 | 0.03 |
| Jun | 4.60 | 4.73 | -0.13 |
| Jul | 4.58 | 4.54 | 0.04 |
| Aug | 4.41 | 4.55 | -0.14 |
| Sep | 4.40 | 4.24 | 0.16 |
| Oct | 4.38 | 4.50 | -0.12 |
| Nov | 3.53 | 3.64 | -0.11 |
| Dec | 4.23 | 4.34 | -0.11 |
48.08 | 49.06 | -0.98 |