| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.65 | 0.05 |
| Feb | 1.90 | 1.88 | 0.02 |
| Mar | 3.15 | 3.10 | 0.05 |
| Apr | 5.04 | 4.86 | 0.18 |
| May | 6.54 | 6.67 | -0.13 |
| Jun | 5.48 | 5.76 | -0.28 |
| Jul | 4.33 | 4.44 | -0.11 |
| Aug | 3.59 | 3.58 | 0.01 |
| Sep | 4.60 | 4.70 | -0.10 |
| Oct | 3.66 | 3.67 | -0.01 |
| Nov | 3.12 | 3.05 | 0.07 |
| Dec | 2.32 | 2.26 | 0.06 |
45.43 | 45.62 | -0.19 |